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How to execute file I'm editing in Vi(m)
How to execute file that I'm editing in Vi(m) and get output in split window (like in SciTE)?
13 Answers
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Modifying a subset of rows in a pandas dataframe
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Use .loc for label based indexing:
df.loc[df.A==0, 'B'] = np.nan
The df.A==0 expression creates a boolean series that indexes the rows, 'B' selects the column. You can also use this to transform a subset of a column, e.g.:
df.loc[df.A==0, 'B'] = ...
Is it possible to roll back CREATE TABLE and ALTER TABLE statements in major SQL databases?
I am working on a program that issues DDL. I would like to know whether CREATE TABLE and similar DDL can be rolled back in
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Split string with dot as delimiter
I am wondering if I am going about splitting a string on a . the right way? My code is:
13 Answers
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Find and replace with sed in directory and sub directories
I run this command to find and replace all occurrences of 'apple' with 'orange' in all files in root of my site:
7 Answers
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Are HTTP cookies port specific?
I have two HTTP services running on one machine. I just want to know if they share their cookies or whether the browser distinguishes between the two server sockets.
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How to replace (or strip) an extension from a filename in Python?
Is there a built-in function in Python that would replace (or remove, whatever) the extension of a filename (if it has one) ?
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APT command line interface-like yes/no input?
...e any short way to achieve what the APT ( Advanced Package Tool ) command line interface does in Python?
19 Answers
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Log4net does not write the log in the log file
I have created a simple scenario using Log4net, but it seems that my log appenders do not work because the messages are not added to the log file.
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Is there a W3C valid way to disable autocomplete in a HTML form?
When using the xhtml1-transitional.dtd doctype, collecting a credit card number with the following HTML
17 Answers
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