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PyLint “Unable to import” error - how to set PYTHONPATH?
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I seemed to have fixed this by installing pylint into my virtualenv as per this advice: plaidzooks.tumblr.com/post/36813101879
– Matt
Dec 11 '14 at 7:41
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Are negative array indexes allowed in C?
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It is invalid. By the C standard, it explicitly has undefined behavior. On the other hand, if int arr[10]; were part of a structure with other elements before it, arr[-2] could potentially be well-defined, and you could determine if it is b...
Constructor of an abstract class in C#
...ere's an instance of Animal right there. You instantiate an abstract class by making a concrete class derived from it, and instantiating that. Remember, an instance of a derived concrete class is also an instance of its abstract base class. An instance of Giraffe is also an instance of Animal even ...
How to clear basic authentication details in chrome
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The authentication is cleared when you exit Chrome.
Note however, that by default Chrome is running apps in the background, so it may not really exit even if you close all Chrome windows. You can either change this behavior under advanced setting, or e.g. under Windows, you can completely exit C...
jQuery document.createElement equivalent?
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Maybe this was obvious, and indicated by your example, but creating a jQuery DOM element using the $("<html string>") syntax, cannot be appended into the DOM using the native <element>.appendChild method or similar. You must use the jQuery append met...
How to create a project from existing source in Eclipse and then find it?
...t's not correct you can edit the offending files (marked with a red cross) by opening them in Eclipse, selecting the package declaration (usually line 1), pressing Ctrl + 1 and selecting the appropriate option (e.g. "Move xy to package com.game"
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How to add an extra column to a NumPy array
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This is more straightforward than the answer by @JoshAdel, but when dealing with large data sets, it is slower. I'd pick between the two depending on the importance of readability.
– dvj
Aug 22 '15 at 22:08
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Integer.toString(int i) vs String.valueOf(int i)
...should really have a "warm-up" period, otherwise the results can be skewed by the JIT tinkering with things. That said, a 300ms difference over 10^8 operations is so small as to be completely negligible.
– Cameron Skinner
Dec 10 '10 at 3:57
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How to resolve “Error: bad index – Fatal: index file corrupt” when using Git
... Thank you @hobs you saved me a lot of trouble - I solved it by inverting the sed by replacing my new_string with my old_string!
– tsveti_iko
Jul 11 '18 at 8:20
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Git clone particular version of remote repository
...ntion it, but this will only reset the master branch, which is checked out by default on a clone. If a branch other than master is your main development branch that must be checked out first before git reset
– Steve Folly
Aug 24 '10 at 9:53
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