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Checking in of “commented out” code [closed]

...ow you'd enforce that anyway). What I will say is that you should get everyone on your team to buy in to the philosophy I described above. The team I work on embraces it wholeheartedly. As a result, source control is a frictonless team-member, one that helps us get our job done. People who don't em...
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Does pandas iterrows have performance issues?

...space 4) itertuples 5) iterrows 6) updating an empty frame (e.g. using loc one-row-at-a-time) Using a custom Cython routine is usually too complicated, so let's skip that for now. 1) Vectorization is ALWAYS, ALWAYS the first and best choice. However, there is a small set of cases (usually involvi...
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How to remove extension from string (only real extension!)

... Try this one: $withoutExt = preg_replace('/\\.[^.\\s]{3,4}$/', '', $filename); So, this matches a dot followed by three or four characters which are not a dot or a space. The "3 or 4" rule should probably be relaxed, since there ar...
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Can grep show only words that match search pattern?

...ixing of file names on output. This is the default when there is only one file (or only standard input) to search. -o, --only-matching Print only the matched (non-empty) parts of a matching line, with each such part on a separate output line. ...
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Updating packages in Emacs

...he following setup for packages (not sure if there is a better recommended one): 4 Answers ...
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Why are functions and methods in PHP case-insensitive?

... of tools that I put together for my Website and for a couple of projects. One tool did some fancy hit logging to an mSQL database, another acted as a form data interpreter. I ended up with about 30 different little CGI programs written in C before I got sick of it, and combined all of them into a s...
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python pandas dataframe to dictionary

...can use it like this: df.set_index('id').to_dict() And if you have only one column, to avoid the column name is also a level in the dict (actually, in this case you use the Series.to_dict()): df.set_index('id')['value'].to_dict() ...
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What Git branching models work for you?

...the developer often doesn't know what exactly his/her branch will produce: one feature, several (because it ended up being too complex a feature), none (because not ready in time for release), another feature (because the original one had "morphed"),... Only an "integrator" should established offic...
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Will console.log reduce JavaScript execution performance?

... If you are going to have this on a public site or something, anyone with little knowledge on using the developer tools can read your debug messages. Depending on what you are logging, this may not be a desirable behavior. One of the best approaches is to wrap the console.log in one of yo...
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jQuery/JavaScript to replace broken images

... Handle the onError event for the image to reassign its source using JavaScript: function imgError(image) { image.onerror = ""; image.src = "/images/noimage.gif"; return true; } <img src="image.png" onerror="imgError(...