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How do I use vimdiff to resolve a git merge conflict?
...merged a branch into my master in git and I got Automatic merge failed; fix conflicts and then commit the result. Now I ran git mergetool and vimdiff opened with the image below. I don't know how to use vimdiff. What does each panel here mean and how should I proceed to fix the merge conflict?
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Is there a “null coalescing” operator in JavaScript?
...{
return arguments[i];
}
}
return null;
}
var xyz = {};
xyz.val = coalesce(null, undefined, xyz.val, 5);
// xyz.val now contains 5
this solution works like the SQL coalesce function, it accepts any number of arguments, and returns null if none of them have a value. I...
Convert a string to int using sql query
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How do I catch/prevent the exception when one of the fields is non-numeric? I would have expected it to convert to 0.
– Chloe
Jun 13 '13 at 17:47
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Using python's eval() vs. ast.literal_eval()?
...tion is called. See also the dangers of eval.
ast.literal_eval raises an exception if the input isn't a valid Python datatype, so the code won't be executed if it's not.
Use ast.literal_eval whenever you need eval. You shouldn't usually evaluate literal Python statements.
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Generate random numbers following a normal distribution in C/C++
...ethods to generate Gaussian-distributed numbers from a regular RNG.
The Box-Muller transform is commonly used. It correctly produces values with a normal distribution. The math is easy. You generate two (uniform) random numbers, and by applying an formula to them, you get two normally distribute...
Is there any difference between a GUID and a UUID?
...nces. Specifically, some Microsoft GUID docs allow GUIDs to contain any hex digit in any position, while RFC4122 requires certain values for the version and variant fields. Also, [per that same link], GUIDs should be all-upper case, whereas UUIDs should be "output as lower case characters and are ...
Event handling for iOS - how hitTest:withEvent: and pointInside:withEvent: are related?
...nts are very well written, I think ' Event Handling Guide for iOS ' is an exception. It's hard for me to clearly understand what's been described there.
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differences between 2 JUnit Assert classes
...obviously) and the methods on each appear to be very similar. Can anybody explain why this is?
6 Answers
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How do I parallelize a simple Python loop?
...around the GIL: There wouldn't be any advantage to using threads for this example anyway. You want to use processes here, not threads, because they avoid a whole bunch of problems.
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Excluding directories in os.walk
... tree (using os.walk()) and then visits each file matching a certain file extension. However, since some of the directory trees that my tool will be used on also contain sub directories that in turn contain a LOT of useless (for the purpose of this script) stuff, I figured I'd add an option for th...