(cvi) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-12-31 09:57:30 GMT

---

1. How is this list expanded with the slicing assignment? - [11/7]
2. Intuition and idea behind reshaping 4D array to 2D array in NumPy - [11/2]
3. In Pandas, does .iloc method give a copy or view? - [9/2]
4. Literate way to index a list where each element has an interpretation? - [7/4]
5. Pandas: Select values from specific columns of a DataFrame by row - [7/2]
6. Fastest way to lowercase a numpy array of unicode strings in Cython - [7/1]
7. Pywinauto - Can't connect to office documents using the UIA backend - [7/0]
8. Intersect multiple 2D np arrays for determining zones - [6/5]
9. python3 - using for loop in a if condition - [6/3]
10. Dealing with large numbers in R [Inf] and Python - [6/2]

(cv) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-12-24 09:21:04 GMT

---

1. Why are numpy functions so slow on pandas series / dataframes? - [18/4]
2. How to make all of the permutations of a password for brute force? - [9/4]
3. What is the difference between destructured assignment and "normal" assignment? - [9/0]
4. How to optimize a nested for loop in Python - [8/2]
5. Python - Using a variable as part of string formating - [7/4]
6. Why does (1 == 2 != 3) evaluate to False in Python? - [7/2]
7. pandas multiply using dictionary values across several columns - [7/2]
8. Performance discrepency between OSX and Linux for communication using Python multiprocessing - [7/0]
9. Python Pandas: Assign Last Value of DataFrame Group to All Entries of That Group - [6/3]
10. Accessing static fields from the decorated class - [6/2]

(civ) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-12-17 11:01:06 GMT

---

1. Triple nested lists Python - [11/9]
2. Python sort(reverse=True) does not exactly reverse the output? - [11/4]
3. List of tuples into a binary table? - [9/7]
4. Comparison operators vs “rich comparison” methods in Python - [9/1]
5. Is there an efficient way of creating a list of tuples using a range? - [8/5]
6. Replace all but the last occurrence of a character in a dataframe - [8/2]
7. When existence of nonlocal variables is checked? - [7/2]
8. Why does operating on what seems to be a copy of data modify the original data? - [7/2]
9. Are Pandas' dataframes (Python) closer to R's dataframes or datatables? - [7/1]
10. Python list keep value only if equal to n predecessors - [6/2]

(ciii) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-12-09 07:59:50 GMT

---

1. in operator, float("NaN") and np.nan - [16/2]
2. Multiplying a np.int8 array with 127 yields different numpy array types depending on platform - [15/1]
3. How to split a list on an element delimiter - [9/2]
4. Length of the longest sub-array which consists of all '1' - [6/3]
5. Reordering nodes in increasing order in pandas dataframe - [6/3]
6. Calling `super()` in parent class - [6/2]
7. Python: Modify the internal behavior of a function by using decorator - [6/1]
8. Re-creating a python invocation - [6/1]
9. How generate all pairs of values, from the result of a groupby, in a pandas dataframe - [5/3]
10. Python - Confused about inheritance - [5/1]

(cii) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-12-02 20:21:17 GMT

---

1. Given a string of a million numbers, return all repeating 3 digit numbers (interview) - [47/10]
2. How to split a list-of-strings into sublists-of-strings by a specific string element - [19/6]
3. Is it possible to speed up this loop in Python? - [14/6]
4. Python - Sort tuple list with another list - [13/4]
5. Efficient way to sum all possible pairs - [13/3]
6. Return a variable by name from a function in Python - [11/5]
7. How to loop through multiple lists sequentially with one loop? - [8/5]
8. How to check if elements in list 'a' meet conditions in list 'b'? - [8/3]
9. How to detect from within Python whether packages are managed with conda - [8/3]
10. Filter list of dict based on values from another dict - [6/4]

(ci) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-11-25 13:09:22 GMT

---

1. Combine lists having a specific merge order in a pythonic way? - [16/4]
2. How to find out if two elements belong to the same list - [12/7]
3. "Merging" numpy arrays together with a common dimension - [8/4]
4. How to select subset of 3D numpy array ending in a value? - [8/3]
5. Python requests with HTTPAdapter is halting for hours - [6/3]
6. size legend for plotly bubble map/chart - [6/1]
7. How do you implement __str__ for a function? - [6/1]
8. Find all partitions of a plane created by a set of lines - [5/4]
9. Is there a elegant way to only keep top[2~3] value for each row in a matrix? - [5/3]
10. Django how get user(author) of article and transfer it to template - [5/2]

(c) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-11-18 20:59:57 GMT

---

1. Python tuple unpacking in return statement - [21/1]
2. How to get random value of attribute of Enum on each iteration? - [13/7]
3. How to use functional programming to iterate and find maximum product of five consecutive numbers in a list? - [12/7]
4. Which operator (+ vs +=) should be used for performance? (In-place Vs not-in-place) - [10/1]
5. Converting Python 3 String of Bytes of Unicode - `str(utf8_encoded_str)` back to unicode - [8/2]
6. Explanation for a code needed : Appending the values to list in python - [7/1]
7. Python - how to multiply characters in string by number after character - [6/4]
8. pandas.eval with a boolean series with missing data - [6/1]
9. How to count the most frequent letter in a string? - [5/6]
10. what happened when using the same variable in two layer loops in python? - [5/6]

(xcix) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-11-11 21:27:09 GMT

---

1. Python error when calling NumPy from class method with map - [14/4]
2. Taking the average of two years, written as [1858-60] - [12/5]
3. Check if elements occur together is all lists? - [8/5]
4. Distinguishing multiple exit points in loop - [8/3]
5. Why is this python expression parameter is not expanded at call time? - [8/1]
6. Forcing dict keys to be used as argument specifiers with str.format - [7/2]
7. Turning a generator of pairs into a pair of generators - [6/4]
8. pandas how to find continuous values in a series whose differences are within a certain distance - [6/2]
9. Avoiding select after flush when assigning to child relationship - [6/1]
10. How to use Python properties efficiently? - [6/1]

(xcviii) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-11-05 07:57:07 GMT

---

1. Strange use of python's 'and' operator - [43/7]
2. Why does the size of this Python String change on a failed int conversion - [42/2]
3. List comprehension with duplicated function call - [13/7]
4. How to merge two lists into dictionary without using nested for loop - [12/6]
5. Best way to add attributes to a Python function - [11/2]
6. Can you overload the Python 3.6 f-string's "operator"? - [10/1]
7. Why use more than one equal sign in a statement with the same variable? - [8/2]
8. immutable objects in Python that can have weak references - [7/3]
9. How to count correctly letters with diacritics in text? - [7/2]
10. Python Loop Double Printing - [6/8]

(xcvii) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-10-29 18:00:34 GMT

---

1. How to explain the int() function to a beginner - [24/7]
2. Why is str(super(B, b)) not equivalent to super(B, b).__str__()? - [19/2]
3. Python for loop better way - [18/3]
4. Getting every slice of a list - [13/4]
5. Clicking elements that are not visible (where there is a slider) - [10/2]
6. I set True=False and I can't undo it - [7/4]
7. optional space in python string formatting - [6/5]
8. False matching with 0 in a list python - [6/3]
9. How to replace 'any strings' with nan in pandas DataFrame using a boolean mask? - [6/3]
10. How to sort two arrays for smoothness - [6/2]

(xcvi) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-10-22 16:34:15 GMT

---

1. How to find first local maximum for every group? - [8/5]
2. How can I tell if a dataframe is of mixed type? - [8/3]
3. Selecting single values from pandas dataframe using lists - [5/5]
4. Numpy: Replacing values in a 2D array efficiently using a dictionary as a map - [5/4]
5. Finding longest perfect match between two strings - [5/3]
6. np.isreal behavior different in pandas.DataFrame and numpy.array - [5/3]
7. Very large numpy array doesn't throw memory error. Where does it live? - [5/2]
8. Can pip list its binary wheels? - [5/1]
9. How does Python compiler preprocess source code via declared encoding? - [5/1]
10. Python3 print() Vs Python2 print - [5/1]

(xcv) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-10-14 16:03:15 GMT

---

1. Why do tuples take less space in memory than lists? - [64/4]
2. Multiply doubles in Python with same precision as C++ - [16/3]
3. Why is groupby so fast? - [12/1]
4. Multiples-keys dictionary where key order doesn't matter - [9/2]
5. Proper use of the * operator in a oneline if statement python - [8/4]
6. Difference between foo.bar() and bar(foo)? - [8/2]
7. How does COPY work and why is it so much faster than INSERT? - [7/3]
8. Why is it required to typecast a map into a list to assign it to a pandas series? - [7/1]
9. Compute x**k with x, k being arrays of arbitrary dimensionality - [6/2]
10. isinstance() unexpectedly returning False - [6/1]

(xciv) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-10-08 12:16:51 GMT

---

1. How to create txt frequency counter with all letters (a-z) in python 3 - [7/6]
2. Python - "xor"ing each byte in "bytes" in the most efficient way - [7/2]
3. How to conditionally combine two numpy arrays of the same shape - [7/2]
4. Python: How to generate all combinations of lists of tuples without repeating contents of the tuple - [6/2]
5. Python Pandas Data frame creation - [6/2]
6. pyOpenSSL "openssl verify -CAfile root.crt client.crt" equivalent - [6/1]
7. Why does conda create try to install weird packages? - [6/0]
8. How to select all non-NaN columns and non-NaN last column using pandas? - [5/5]
9. Regular expression - replace all spaces in beginning of line with periods - [5/5]
10. What is the scenario of dict.get('..', None) or None? - [5/3]

(xciii) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-09-30 11:59:43 GMT

---

1. Finding equal values from a list of list of tuples in Python - [9/2]
2. Python: How come a large float turns into *inf* automatically? - [9/2]
3. Why is it faster to read a file without line breaks? - [8/3]
4. Django custom for complex Func (sql function) - [7/2]
5. How to detect if a function has been defined locally? - [6/2]
6. Is there a function in Python that shuffle data by data blocks? - [5/5]
7. Split a list with n*n elements into n lists with n elements in every list - [5/5]
8. Get percentage of rows (strings) that fulfil a certain condition in a pandas data frame - [5/2]
9. codecs.open(utf-8) fails to read plain ASCII file - [5/1]
10. Poor performance of C++ function in Cython - [5/1]

(xcii) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-09-23 19:35:45 GMT

---

1. Why can't I swap two items in a list in one line? - [9/4]
2. How to remove all the values in a string except for the chosen ones - [8/6]
3. Python Sort a list based on a given order - [8/6]
4. python - iterating list of dictionaries and unpacking - [7/4]
5. Why is the dtype shown (even if it's the native one) when using floor division with NumPy? - [7/2]
6. How to assign count of unique values to the records in a data frame in python - [6/5]
7. Trouble converting string to float in python - [6/3]
8. How to test that a custom excepthook is installed correctly? - [6/2]
9. How to make a list of integers that is the sum of all the integers from a set of lists in a dict? - [6/2]
10. python rstrip or remove end of string by a pattern of charachters - [6/2]

(xci) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-09-16 10:27:18 GMT

---

1. Why is pandas.DataFrame.apply printing out junk? - [11/3]
2. How can I map the headers to columns in pandas? - [10/5]
3. Why is Python interpreting this string as a dictionary when formatting? - [10/3]
4. Comparison: import statement vs __import__ function - [10/3]
5. Extract IPs and Ports from a list in Python 3.x - [8/4]
6. What is assigned to `variable`, in `with expression as variable`? - [8/2]
7. Accepting integers as keys of **kwargs - [8/1]
8. Generalise slicing operation in a NumPy array - [7/3]
9. Filtering pandas dataframe with multiple boolean columns - [7/3]
10. Why do different variable names get different results（python2.7）? - [7/3]

(xc) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-09-09 19:57:41 GMT

---

1. Python dict with values as tuples to pandas DataFrame - [11/4]
2. Dictionary value as function to be called when key is accessed, without using "()" - [9/3]
3. Deque random acces O(n) in python while O(1) in C++, why? - [8/1]
4. printing variable that contains string and 2 other variables - [7/7]
5. Pandas generate columns from single column of strings - [7/4]
6. list in Python3.6 - [7/3]
7. Is it true that "The set of methods, however, is fixed when the class is first defined"? - [7/2]
8. Comparing Numpy and Matlab array summation speed - [7/2]
9. Performance of various numpy fancy indexing methods, also with numba - [7/1]
10. Why does Python threading.Condition() notify() require a lock? - [6/3]

(lxxxix) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-09-02 18:27:44 GMT

---

1. Is a list (potentially) divisible by another? - [52/5]
2. Order of insertion in sets (when parsing {}) - [11/3]
3. How does NumPy's arange differ from this custom function? - [8/3]
4. Transfer ownership of PyPI packages - [8/1]
5. What's wrong with my implementation of Neural Networks - [7/2]
6. Why does df.apply(tuple) work but not df.apply(list)? - [7/1]
7. O(n) solution for finding maximum sum of differences python 3.x? - [6/7]
8. If random number hover element - [6/4]
9. In Python, rowwise min() and max() fails when containing a NaN - [6/3]
10. What is the correct way to yield from a stream? - [6/1]

(lxxxviii) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-08-26 19:26:34 GMT

---

1. Is it always safe to modify the `**kwargs` dictionary? - [20/2]
2. Recursion: account value with distributions - [12/2]
3. Why can "%.10f" % Decimal(u) emit a string with a literal colon? - [11/0]
4. Regex doesn't stop evaluating after matching with first rule with OR operator - [9/1]
5. Remove only formating on a cell range selection with google spreadsheet API - [9/0]
6. Find the name of the column in a Pandas DF which contains the longest list - [8/3]
7. Is it possible to force pandas not to convert data type when using DataFrame.replace - [8/2]
8. How to get the index of a list items in another list? - [8/2]
9. What is a fast pythonic way to deepcopy just data from a python dict or list ? - [8/2]
10. How do you read in a dataframe with lists using pd.read_clipboard? - [7/5]

(lxxxvii) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-08-19 21:11:51 GMT

---

1. Why are reversed and sorted of different types in Python? - [34/2]
2. Python 2 and 3 're.sub' inconsistency - [13/1]
3. Structuring python projects without path hacks - [10/3]
4. Pythonic way to use the second condition in list comprehensions - [9/3]
5. Summing columns to form a new dataframe - [9/3]
6. Melting pandas data frame with multiple variable names and multiple value names - [7/3]
7. Pandas backward fill increment by 12 months - [7/3]
8. How to plot date data evenly along x-axis? - [6/2]
9. Namespaces inside class in Python3 - [6/1]
10. How exactly does Keras take dimension argumentsfor LSTM / time series problems? - [6/1]

(lxxxvi) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-08-12 19:07:47 GMT

---

1. Should a class convert types of the parameters at init time? If so, how? - [23/8]
2. What additional work is done by np.power? - [21/1]
3. I'm getting an IndentationError. How do I fix it? - [15/2]
4. Sorting a list: numbers in ascending, letters in descending - [11/5]
5. How to require a timestamp to be zero-padded during validation in Python? - [10/4]
6. Python regex replace with ASCII value - [10/2]
7. How to segment bent rod for angle calculations? - [9/1]
8. Why does computational time decrease when removing unnecessary items from a list in Python - [7/4]
9. Does using print() too much cause it to fail? - [6/3]
10. Most Pythonic way to print a newline - [6/3]

(lxxxv) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-08-05 19:04:03 GMT

---

1. Understanding __init_subclass__ - [14/4]
2. How to generate list of unique random floats in Python - [13/7]
3. Sort dictionary into list - [12/7]
4. Python - curly braces in type hints - [11/1]
5. Is there a way to call a python code in Excel-VBA? - [10/3]
6. Return subset based on a list of boolean values - [9/6]
7. How can I inherit defaultdict and use its copy method in subclass method? - [7/3]
8. What does `x[False]` do in numpy? - [7/1]
9. How to add third level of ticks in python matplotlib - [7/0]
10. Scipy Sparse Cumsum - [7/0]

(lxxxiv) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-07-29 08:00:30 GMT

---

1. Why is repr(int) faster than str(int)? - [25/3]
2. How can OrderedDict know about the element order of an already instantiated dict? - [15/3]
3. Is there a way to return a custom value for min and max in Python? - [14/3]
4. Interweave two dataframes - [11/7]
5. Getting 405 error while trying to download nltk data - [10/2]
6. Where are python's splat operators * and ** valid? - [10/1]
7. Why does unpacking this map object print "must be an iterable, not map"? - [10/1]
8. Are the attributes in a Python class shared or not? - [9/6]
9. How to one-hot-encode from a pandas column containing a list? - [9/5]
10. all permutations of +-r, +-s - [9/3]

(lxxxiii) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-07-22 19:52:51 GMT

---

1. What's the efficiency difference between using "+" and "," in print()? - [14/7]
2. Unexpected result from `in` operator - Python - [13/3]
3. Why is deque implemented as a linked list instead of a circular array? - [13/2]
4. What is co_names? - [10/1]
5. list comprehension in exec with empty locals: NameError - [9/4]
6. Add values of keys and sort it by occurrence of the keys in a list of dictionaries in Python - [8/5]
7. Pandas - return n smallest indexes by column - [8/3]
8. Differences between generator comprehension expressions - [8/1]
9. Sort 2 lists in Python based on the ratio of individual corresponding elements or based on a third list - [7/4]
10. Dynamically generating elements of list within list - [7/3]

(lxxxii) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-07-16 15:49:44 GMT

---

1. What happens when you assign the value of one variable to another variable in Python? - [47/9]
2. Group duplicate column IDs in pandas dataframe - [16/8]
3. List with duplicated values and suffix - [15/4]
4. Why does a newly created variable in Python have a ref-count of four? - [15/1]
5. Preprocessing poorly scanned handwritten digits - [11/1]
6. How to handle functions return value in Python - [10/6]
7. How does str.startswith really work? - [10/3]
8. pprint sorting dicts but not sets? - [10/1]
9. Array handling - Python - [8/4]
10. How do I emulate this C code in Python? - [7/5]

(lxxxi) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-07-07 18:22:17 GMT

---

1. Dividing a number by a class in Python - [16/3]
2. Generator expressions Python - [13/5]
3. Increase the number of statically nested blocks - [11/3]
4. Index out of range when using lambda - [9/2]
5. Exact same text strings not matching - [8/1]
6. Why are 2 of the 6 built-in constants assignable? - [8/1]
7. Error: float object has no attribute notnull - [7/3]
8. How to omit module prefix? - [7/3]
9. Django - run a function every x seconds - [7/2]
10. How do I run Flask+Nginx+uWSGI with SELinux in Enforcing mode? - [6/2]

(lxxx) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-07-01 20:45:51 GMT

---

1. Multiple constructors: the Pythonic way? - [40/7]
2. Truth value of empty set - [33/3]
3. Multiple repeated `in` keyword - [23/3]
4. How can I find out which module a name is imported from? - [14/5]
5. asyncio awaitable object - basic example - [9/1]
6. Why in python 0, 0 == (0, 0) equals (0, False) - [8/3]
7. Why is this improved sieve slower with pypy? - [8/1]
8. How to sort integers alphabetically - [7/5]
9. In sklearn.decomposition.PCA, why are components_ negative? - [7/3]
10. Why does numpy integer subtraction produce a float64? - [7/2]

(lxxix) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-06-24 17:55:47 GMT

---

1. Loop through a list in Python and modify it - [40/4]
2. How can I take two tuples to produce a dictionary? - [12/2]
3. How to receive an update notification when a user enables 2-step verification? - [10/0]
4. Python: Byte code of a compiled script differs based on how it was compiled - [7/1]
5. Check if a string contains the list elements - [6/6]
6. Creating a dictionary for each word in a file and counting the frequency of words that follow it - [6/5]
7. Pandas: Count the first consecutive True values - [6/4]
8. Does declaring variables in a function called from __init__ still use a key-sharing dictionary? - [6/2]
9. What exactly does super() return in Python 3? - [6/2]
10. Scipy sparse matrix exponentiation: a**16 is slower than a*a*a*a*a*a*a*a*a*a*a*a*a*a*a*a? - [6/1]

(lxxviii) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-06-17 21:39:34 GMT

---

1. Union of 2 sets does not contain all items - [77/4]
2. Is there a way to list the attributes of a class without instantiating an object? - [20/3]
3. I can't remove the last comma - [16/6]
4. Python writelines() and write() huge time difference - [16/3]
5. Operator overloading in Python: handling different types and order of parameters - [15/2]
6. Why does naive string concatenation become quadratic above a certain length? - [11/3]
7. OpenCV: reading frames from VideoCapture advances the video to bizarrely wrong location - [10/3]
8. Can I change the way keys are compared in a Python dict? I want to use the operator 'is' instead of == - [10/2]
9. Why are instances of old style classes instances of `object`? - [10/0]
10. Python script runs on boot then reboots at end - How to regain control? - [9/4]

(lxxvii) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-06-11 07:38:37 GMT

---

1. How to explain the reverse of a sequence by slice notation a[::-1] - [24/5]
2. Why does Python optimize out "if 0", but not "if None"? - [16/2]
3. Python 3: Perfect Alphabetical Order - [13/6]
4. Pandas rolling regression: alternatives to looping - [8/2]
5. pandas rolling apply doesn't do anything - [8/1]
6. Function object called via class attribute fails - [7/5]
7. Why does radix sort have a space complexity of O(k + n)? - [7/3]
8. Cost of calling str() on a string? - [7/2]
9. CNN gives biased results - [7/2]
10. How to make nested for loop more Pythonic - [6/4]

(lxxvi) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-06-03 20:06:40 GMT

---

1. Why are arbitrary target expressions allowed in for-loops? - [35/4]
2. iter() not working with datetime.now() - [29/2]
3. itertools does not recognize numpy ints as valid inputs on Python 3.6 - [13/4]
4. Python, I'm repeating myself a lot when it comes to for loops and there must be a better way - [9/4]
5. Show group on every record in groupby - [8/2]
6. correct way to add custom (deep) copying logic to a python class - [8/0]
7. Python type hinting with exceptions - [7/2]
8. How to find top n values in row of dataframe - [7/2]
9. Python/R: generate dataframe from XML when not all nodes contain all variables? - [6/4]
10. Why is processing a random list so much faster than processing an ordered list? - [6/2]

(lxxv) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-05-27 03:23:02 GMT

---

1. Combine 2 pandas dataframes according to boolean Vector - [9/3]
2. The accessing time of a numpy array is impacted much more by the last index compared to the second last - [8/4]
3. Alexa request validation in python - [8/2]
4. Broadcast 1D array against 2D array for lexsort : Permutation for sorting each column independently when considering yet another vector - [8/2]
5. Is there a Python csv file writer that can match data.table's fwrite speed? - [8/0]
6. Detecting C types limits ("limits.h") in python? - [7/1]
7. Python bug: null byte in input prompt - [7/0]
8. How to I factorize a list of tuples? - [6/5]
9. How does isinstance work for List? - [6/1]
10. How do i move the offset of the 'index' method of 'list' - [5/6]

(lxxiv) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-05-21 17:51:13 GMT

---

1. How to plot y=1/x as a single graph - [9/3]
2. Python: multivariate non-linear solver with constraints - [8/3]
3. Creating a dataframe from a dict where keys are tuples - [8/3]
4. Yielding from within with statement and __exit__ method of context manager - [8/2]
5. Is it OK to create very large tuples in Python? - [7/2]
6. range non-default parameter follows default one - [7/1]
7. Tuples and Ternary and positional parameters - [6/3]
8. What happens when I create a list such as c=[1] in python, in terms of name object bindings? - [6/1]
9. Panda's info() to HTML - [5/4]
10. What is sibling imports in Python? - [5/4]

(lxxiii) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-05-13 17:55:53 GMT

---

1. Re-assigning a name to itself - [43/1]
2. Why does using arguments make this function so much slower? - [10/2]
3. Do something at the beginning & end of methods - [9/2]
4. Why does ... == True return False in Python 3? - [8/4]
5. Using __prepare__ for an Enum ... what's the catch? - [8/3]
6. Efficient Algorithm to compose valid expressions with specific target - [8/2]
7. Python loop optimization - [8/1]
8. Concatenate while yielding - [7/3]
9. Tensorflow: How to replace or modify gradient? - [6/4]
10. Python Strings are immutable so why does s.split( ) return a list of new strings - [6/2]

(lxxii) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-05-06 21:22:43 GMT

---

1. How to elegantly check if a dictionary has a given structure? - [9/4]
2. Use a metric after a classifier in a Pipeline - [9/1]
3. Convert a list of numbers to ranges - [8/4]
4. Python list comprehension with dummy names identical to iterator name: ill-advised? - [8/2]
5. Multiprocessing output differs between Linux and Windows - Why? - [8/1]
6. How different is type.__setattr__ from object.__setattr__? - [7/1]
7. What is the most efficient way to copy an externally provided buffer to bytes - [7/1]
8. Why should I use the __prepare__ method to get a class' namespace? - [7/1]
9. Scikit K-means clustering performance measure - [7/0]
10. pandas: filter group by multiple conditions? - [6/3]

(lxxi) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-04-29 09:04:17 GMT

---

1. How to generate a random 4 digit number not starting with 0 and having unique digits? - [29/12]
2. Fastest way to create strictly increasing lists in Python - [13/4]
3. Why does Python read from the current directory when printing a traceback? - [13/1]
4. python 2 vs python 3 performance of random, particularly `random.sample` and `random.shuffle` - [10/1]
5. Use cases for __del__ - [9/2]
6. Python- Removing items - [8/4]
7. How to make future calls and wait until complete with Python? - [8/2]
8. append items from shuffled list to a new list - [7/4]
9. How to tell if a sequence in Python is mutable or not? - [7/4]
10. Is there a fast algorithm to remove repeated substrings in a string? - [7/4]

(lxx) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-04-23 07:50:35 GMT

---

1. What is python .. ("dot dot") notation syntax? - [112/4]
2. Numpy dot too clever about symmetric multiplications - [17/2]
3. No supported color terminal library Python/Jupyter - [13/4]
4. Python is reading past the end of the file. Is this a security risk? - [9/0]
5. Bar Chart with multiple labels - [8/2]
6. Unexpected 32-bit integer overflow in pandas/numpy int64 (python 3.6) - [8/1]
7. Difference between Linear Regression Coefficients between Python and R - [7/2]
8. Pandas: Fill NaNs with next non-NaN / # consecutive NaNs - [7/1]
9. Python default params confusion - [6/3]
10. format value that could be number and/or string in python 3 - [6/3]

(lxix) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-04-14 21:17:19 GMT

---

1. Does Python optimize away a variable that's only used as a return value? - [66/2]
2. How can I split a string of a mathematical expressions in python? - [11/7]
3. Pandas select rows if ID appear several time - [10/3]
4. Writing a python method that refers to both the instance and the class - [10/2]
5. Parsing a "simple" grammar - [10/1]
6. Python matplotlib colorbar scientific notation base - [8/2]
7. Some characters stick to my colorized prompt in Python cmd - [8/1]
8. Python decorators vs passing functions - [7/1]
9. python ntlk donwload gives parser eror - [6/2]
10. Why `__iter__` does not work when defined as an instance variable? - [6/1]

(lxviii) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-04-08 12:26:39 GMT

---

1. Understanding *x ,= lst - [53/3]
2. How does Python manage a 'for' loop internally? - [14/4]
3. Nested list to dict - [10/3]
4. Extract data from list with some conditions - [9/1]
5. Numpy is calculating wrong - [8/2]
6. PEP-8: module at top of file - [7/2]
7. Python - reassigning a name inside a function that previously has been looked up in the global scope - [6/7]
8. Make an input optional in Python - [6/6]
9. Practical Use of Reversed Set Operators in Python - [6/2]
10. Python. Parameters and returned values - [6/1]

(lxvii) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-03-31 19:19:18 GMT

---

1. Inconsistency between $ and ^ in regex when using start/end arguments to re.search? - [23/3]
2. How to extract all the emojis from text? - [10/4]
3. Why does 000 evaluate to 0 in Python 3? - [10/1]
4. Why doesn't Python shell print "None"? - [9/2]
5. assign value as per ratio defined - [8/4]
6. Why isn't it possible to use "await" in f-strings? - [7/1]
7. Match set of x,y points to another set that is scaled, rotated, translated, and with missing elements - [7/1]
8. Python: How to add specific columns of .mean to dataframe - [6/3]
9. Python whole reverse list specifying index - [6/1]
10. Random number generator differs between tensorflow 1.0.1 and 0.12.1 - [6/1]

(lxvi) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-03-26 06:01:11 GMT

---

1. Python's Passing by References - [27/3]
2. Why does __self__ of built-in functions return the builtin module it belongs to? - [9/1]
3. Why is the output of print in python2 and python3 different with the same string? - [6/2]
4. Why does random sampling scale with the dataset not the sample size? (pandas .sample() example) - [6/2]
5. What's the difference between './' and '../' when using os.path.isdir()? - [6/1]
6. Python: how to remove a value from a dict if it exactly matches the key? - [5/5]
7. Setting value to a copy of a slice of a DataFrame - [5/3]
8. Store most informative features from NLTK NaiveBayesClassifier in a list - [5/2]
9. To Kill A Mocking Object: A Python Story - [5/1]
10. Making sure a message published on a topic exchange is received by at least one consumer - [5/1]

(lxv) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-03-18 08:31:53 GMT

---

1. Speed up millions of regex replacements in Python 3 - [70/8]
2. What is the order of evaluation in python when using pop(), list[-1] and +=? - [36/5]
3. Generator Comprehension different output from list comprehension? - [20/4]
4. How does Python increment list elements? - [13/5]
5. Fastest way to check whether a value exists more often than X in a list - [7/4]
6. Numpy reductions over successive non-contiguous slices - [7/3]
7. Is there any way to make a "for" loop in python double my index value after each iteration? - [6/5]
8. multiply every element in numpy.array a with every element in numpy.array b - [6/5]
9. Not able to import python modules unless root user - [6/1]
10. get the i-th slice of the k-th dimension in a numpy array - [5/5]

(lxiv) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-03-11 18:08:34 GMT

---

1. Python strange behavior with enumerate - [16/6]
2. Row Sum of a dot product for huge matrix in python - [13/3]
3. Replacing nested for loops and value assignment for list comprehension - [12/3]
4. Turn a file content into a binary array - [9/4]
5. Rough string alignment in python - [8/4]
6. Relative import of package __init__.py - [8/2]
7. Loading a trained Keras model and continue training - [8/1]
8. Regex add character to matched string - [7/5]
9. AWS EMR Spark Python Logging - [7/2]
10. Why is reading multiple files at the same time slower than reading sequentially? - [7/2]

(lxiii) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-03-04 07:54:14 GMT

---

1. Can I postpone the evaluation of f-strings? - [15/3]
2. Overload all arithmetic operators in Python - [7/4]
3. Print either an integer or a float with n decimals - [7/3]
4. How to access a column whose name I cannot access in chained operations - [7/3]
5. Perfect forwarding - in Python - [7/1]
6. Find items and repetitions in list - [6/5]
7. What's the equivalent of '*' for Beautifulsoup - find_all? - [6/2]
8. Is it possible to determine if two lists are identical (rotatable) without going through every rotation? - [6/0]
9. How to get value between two different tags using beautiful soup? - [5/4]
10. Converting list to dict python - [5/3]

(lxii) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-02-24 19:53:04 GMT

---

1. Why is x**4.0 faster than x**4 in Python 3? - [119/2]
2. How to limit the size of a comprehension? - [20/4]
3. How to properly split this list of strings? - [13/5]
4. Why is the __dict__ of instances so small in Python 3? - [11/1]
5. Python Asynchronous Comprehensions - how do they work? - [10/2]
6. Immutability in Python - [10/2]
7. Order-invariant hash in Python - [9/2]
8. Assign a number to each unique value in a list - [8/7]
9. How to add a shared x-label and y-label to a plot created with pandas' plot? - [8/3]
10. What happens when I inherit from an instance instead of a class in Python? - [8/2]

(lxi) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-02-18 13:44:32 GMT

---

1. Should I avoid converting to a string if a value is already a string? - [29/1]
2. Order of operations in a dictionary comprehension - [17/4]
3. Create a complement of list preserving duplicate values - [13/4]
4. Circular pairs from array? - [9/4]
5. Similar code (for exponentially weighted deviation) is slower in Haskell than in Python - [8/3]
6. Why are modules that haven't been imported in 'sys.modules' in Python 3? - [8/2]
7. TypeError when combining ABCMeta with __init_subclass__ in Python 3.6 - [8/1]
8. When to use return (yield something)? - [8/0]
9. How do I get the number of lists with a particular element? - [7/7]
10. What does "three dots" in Python mean when indexing what looks like a number? - [7/1]

(lx) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-02-10 20:10:36 GMT

---

1. Why is copying a shuffled list much slower? - [56/3]
2. Concatenate tuples using sum() - [13/2]
3. Extract text with multiple separators - [11/5]
4. Why does copying a >= 16 GB Numpy array set all its elements to 0? - [10/1]
5. Python: Map a function over recursive iterables - [8/2]
6. Slow recursion in python - [8/1]
7. python numpy: how to construct a big diagonal array(matrix) from two small array - [8/1]
8. Find where f(x) changes in a list, with bisection (in Python) - [7/3]
9. Pandas TimeGrouper and Pivot? - [7/3]
10. Debugging a Neural Network - [7/0]

(lix) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-02-03 20:50:29 GMT

---

1. Is removing an element from the front of a list cheap in Python? - [19/2]
2. Sort a list by the number of occurrences of the elements in the list - [13/4]
3. Why Don't Two Plus Operators Throw an Error (e.g., 1 + + 2) - [13/3]
4. How can I return a function that uses the value of a variable? - [12/1]
5. What is the function form of star import in Python 3 - [11/1]
6. Variable names in Python cannot start with a number or can they? - [9/2]
7. Time difference within group by objects in Python Pandas - [8/3]
8. What is a virtualenv, and why should I use one? - [8/1]
9. regular expression for hexadecimal - [8/1]
10. Add header to CSV without loading CSV - [7/3]

(lviii) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-01-27 17:06:06 GMT

---

1. Generate function with arguments filled in when creating it? - [7/5]
2. Was the year 1000 (and others) a leap year? - [7/1]
3. Python MRO order - [7/1]
4. Create duplicates in the list - [6/9]
5. What is the best algorithm to solve this puzzle? - [6/8]
6. How to handle variable length sublist unpacking in Python2? - [6/4]
7. Using Loops to decorate multiple imported functions in Python - [6/3]
8. Iterative function generation in Python - [6/1]
9. Converting an array of integers to a "vector" - [5/6]
10. Optimizing assignment into an array from various arrays - NumPy - [5/4]

(lvii) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-01-27 17:04:52 GMT

---

1. OrderedDict Isn't Ordered? - [16/5]
2. Why are addition and multiplication faster than comparisons? - [15/6]
3. Is it safe to combine 'with' and 'yield' in python? - [13/2]
4. Python match text sucessfully even when there are 1, 2 and 3 backslash at front of the same regex pattern - [12/0]
5. What determines the size of int in numpy? - [9/2]
6. Python not interning strings when in interactive mode? - [9/2]
7. how to calculate coskew and cokurtosis - [9/1]
8. Python3.6: How to dynamically import a module given the full file path (in the presence of implicit sibling imports)? - [8/2]
9. Why does .loc behave differently depending on whether values are printed or assigned? - [8/1]
10. Checking if a list has duplicate lists - [7/5]

(lvi) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-01-20 17:55:52 GMT

---

1. Is '# -*- coding: utf-8 -*-' also a comment in Python? - [17/2]
2. Executing functions within switch dictionary - [15/3]
3. Why can itertools.groupby group the NaNs in lists but not in numpy arrays - [12/3]
4. Why Python hasn't true constants? Is it not dangerous? - [11/3]
5. Is there a difference between '[:]' and '[::]' when copying a list? - [11/2]
6. Is it possible to send data from a Fortran program to Python using MPI? - [9/4]
7. Algorithm for itertools.combinations in Python - [8/3]
8. Python: nested 'for' loops - [7/4]
9. Pyinstaller image does not load - [6/2]
10. "WARNING conda.gateways.disk:exp_backoff_fn(47): Uncaught backoff with errno 41" during "conda install" - [6/2]

(lv) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-01-13 19:11:14 GMT

---

1. Using !s vs. :s to format a string in Python - [24/3]
2. Python nested generator expressions - [18/3]
3. How does python optimize conditional list comprehensions - [12/1]
4. Iterating over multiple indices with i > j ( > k) in a pythonic way - [11/5]
5. Python: Censoring a word in text but last word does not censor - [9/5]
6. Are there number limitations in python? - [9/1]
7. Is there a clean test for a dictionary element in Python? - [8/2]
8. python garbage collection about list append itself - [8/2]
9. How to access all dictionaries within a dictionary where a specific key has a particular value - [7/4]
10. Adding a property to an int value in python - [7/1]

(liv) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2017-01-06 18:27:11 GMT

---

1. What is the difference between i = i + 1 and i += 1 in a 'for' loop? - [78/6]
2. Why does list ask about __len__? - [22/2]
3. Why is regex search slower with capturing groups in Python? - [16/2]
4. ZipFile.testzip() returning different results on Python 2 and Python 3 - [15/2]
5. Find the number of characters in a file using python - [13/11]
6. Python list error: [::-1] step on [:-1] slice - [12/5]
7. push_back/emplace_back a shallow copy of an object into another vector - [11/4]
8. Identify clusters linked by delta to the left and different delta to the right - [11/1]
9. Python overriding __init__ - [10/2]
10. Average face - algorithm - [10/1]

20 best Python questions at stackoverflow in 2016

These are the 20 most rated questions at 2016 Stack Overflow.
Between brackets: question score & answers count
Built date: 2017/01/02 19:55:22 GMT

---

1. Pythonic way to avoid "if x: return x" statements - [203/16]
2. How can I make sense of the `else` statement in Python loops? - [174/13]
3. How do I avoid the "self.x = x; self.y = y; self.z = z" pattern in __init__? - [160/9]
4. Why does the floating-point value of 4*0.1 look nice in Python 3 but 3*0.1 doesn't? - [150/4]
5. Can a line of Python code know its indentation nesting level? - [139/5]
6. Why are Python's arrays slow? - [130/2]
7. Times two faster than bit shift? - [120/1]
8. Why a comparison with a comma at the end "(1,) == 1," gives a tuple "(False,)" in Python? - [106/3]
9. When is hash(n) == n in Python? - [94/4]
10. Why do 3 backslashes equal 4 in a Python string? - [87/5]
11. Why is max slower than sort in Python? - [89/3]
12. What does x[x < 2] = 0 mean in Python? - [83/5]
13. Dictionaries are ordered in Python 3.6 - [86/2]
14. Difference between a -= b and a = a - b in Python - [87/3]
15. Is there special significance to 16331239353195370.0? - [82/1]
16. Most pythonic way to interleave two strings - [98/13]
17. Counterintuitive behaviour of int() in python - [81/4]
18. Pairwise circular Python 'for' loop - [75/17]
19. Why does Python allow function calls with wrong number of arguments? - [75/2]
20. How do I reliably split a string in Python? - [71/5]