# python weekly reports

2019-06-29

(clxxxiv) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2019-06-29 20:53:35 GMT

  1. Why was p[:] designed to work differently in these two situations? - [29/6]
  2. How do I create a new column in a dataframe from an existing column using conditions? - [11/5]
  3. Anaconda 4.7.5 - Warning about conda-build <3.18.3 and issues with python packages - [10/3]
  4. How to connect the ends of edges in order to close the holes between them? - [10/2]
  5. Why is NumPy sometimes slower than NumPy + plain Python loop? - [9/3]
  6. Find first and last non-zero column in each row of a pandas dataframe - [7/4]
  7. Why does * work differently in assignment statements versus function calls? - [7/1]
  8. How to vectorize a loop through a matrix numpy - [6/3]
  9. Pandas expanding/rolling window correlation calculation with p-value - [6/2]
  10. Using Pandas df.where on multiple columns produces unexpected NaN values - [6/1]
Publicado por prz en 22:54 No hay comentarios:
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Etiquetas: python, stackoverflow

2019-06-22

(clxxxiii) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2019-06-22 21:16:52 GMT


  1. How to find the last non zero element in every column throughout dataframe? - [10/5]
  2. Why are True and False being set in globals by this code? - [10/1]
  3. How to maintain order when selecting rows in pandas dataframe? - [8/8]
  4. Is there a short way to compare many values mutually at same time without using multiple 'AND'-s? - [8/3]
  5. Heroku python app failing to build when installing sqlite3 - [8/2]
  6. Fastest way to convert a list of indices to 2D numpy array of ones - [7/6]
  7. How to assign unique values to groups of rows in a pandas dataframe based on a condition? - [6/3]
  8. Handling zero multiplied with NaN - [6/3]
  9. Using list.count to sort a list in-place using .sort() does not work. Why? - [6/2]
  10. Pandas dataframe: How to set values after an index to 0 - [6/2]
Publicado por prz en 23:17 No hay comentarios:
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Etiquetas: python, stackoverflow

2019-06-15

(clxxxii) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2019-06-15 20:04:06 GMT

  1. How to use random to choose colors - [11/3]
  2. Conditional Cumulative Sums in Pandas - [9/3]
  3. Efficient way to loop over 2D array - [9/2]
  4. Will passing ignore_index=True to pd.concat preserve index succession within dataframes that I'm concatenating? - [9/1]
  5. How do I properly use a function under a class? - [8/4]
  6. Why are f-strings faster than str() to parse values? - [7/1]
  7. How to efficiently calculate triad census in undirected graph in python - [6/4]
  8. Convert elements of list in pandas series using a dict - [6/3]
  9. Python Regex escape operator \ in substitutions & raw strings - [6/2]
  10. Rewrite to dictionary comprehensions - [6/2]
Publicado por prz en 22:04 No hay comentarios:
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Etiquetas: python, stackoverflow

2019-06-08

(clxxxi) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2019-06-08 16:24:26 GMT


  1. How to chain Python function calls so the behaviour is as follows - [19/5]
  2. Inspect if an argument was passed positionally or via keyword - [11/1]
  3. Python 'raise' without arguments: what is "the last exception that was active in the current scope"? - [10/2]
  4. GroupBy operation using an entire dataframe to group values - [8/2]
  5. object is subclassed during dynamic type creation but not during classic class definition in python2 - [7/1]
  6. Groups of unique pairs where members appear once per group - [6/7]
  7. Merge pandas DataFrame columns starting with the same letters - [6/7]
  8. Retrieve definition for parenthesized abbreviation, based on letter count - [5/5]
  9. How to assign groups based on a maximum sum? - [5/5]
  10. Dictionary of lists to nested dictionary - [5/4]
Publicado por prz en 18:24 1 comentario:
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Etiquetas: python, stackoverflow

2019-06-01

(clxxx) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2019-06-01 19:46:19 GMT

  1. Dictionary size reduces upon increasing one element - [15/5]
  2. Fastest way to perform complex search on pandas dataframe - [14/2]
  3. asyncio: running task only if all other tasks are awaiting - [8/4]
  4. Adding strings in lists together - [8/4]
  5. Why isn't pandas logical operator aligning on the index like it should? - [8/3]
  6. Python memory usage of using two dictionaries vs one - [8/1]
  7. Python Multiprocessing Queue when set to infinite is capped at 32768 (2^15) - [8/1]
  8. Extracting the dimensions of a rectangle - [7/3]
  9. Replace value with the value of nearest neighbor in Pandas dataframe - [7/3]
  10. Selenium Wait for user to click on alert dialog box in python - [7/1]
Publicado por prz en 21:46 No hay comentarios:
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Etiquetas: python, stackoverflow
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