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Python argparse: Make at least one argument required

... Dang, I like that vars. I just did .__dict__ and felt dumb before. – Theo Belaire Feb 13 '14 at 18:27 1 ...
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How to perform file system scanning

... will not work for release versions of GO in the near future. There's actually a function in the standard lib just for this: filepath.Walk. package main import ( "path/filepath" "os" "flag" ) type visitor int // THIS CODE NO LONGER WORKS, PLEASE SEE ABOVE func (v visitor) VisitDir(p...
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Changing every value in a hash in Ruby

... @Andrew Marshall Right you are, thanks. In Ruby 1.8, Hash.[] doesn't accept an array of array pairs, it requires an even number of direct arguments (hence the splat up front). – Phrogz Mar 4 '11 at 3...
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Find unique rows in numpy.array

...e((np.void, a.dtype.itemsize * a.shape[1]))) ? – Akavall Jun 7 '13 at 0:28 3 @Akavall It is creat...
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Correct Bash and shell script variable capitalization

I run across many shell scripts with variables in all caps, and I've always thought that there is a severe misunderstanding with that. My understanding is that, by convention (and perhaps by necessity long ago), environment variables are in all-caps. ...
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Is using a lot of static methods a bad thing?

I tend to declare as static all the methods in a class when that class doesn't require to keep track of internal states. For example, if I need to transform A into B and don't rely on some internal state C that may vary, I create a static transform. If there is an internal state C that I want to be ...
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Detect blocked popup in Chrome

...opup's DOM will never be ready() in Safari because it'll give you a valid handle for the window you're trying to open -- whether it actually opens or not. (in fact, i believe your popup test code above won't work for safari.) I think the best thing you can do is wrap your test in a setTimeout() and...
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Get filename and path from URI from mediastore

... cursor.moveToFirst(); return cursor.getString(column_index); } finally { if (cursor != null) { cursor.close(); } } } share | improve this answer | f...
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When to use ' (or quote) in Lisp?

...al operator (quote) (or equivalent ' ) function does, yet this has been all over Lisp code that I've seen. 10 Answers ...
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browser sessionStorage. share between tabs?

...nStorage data from one tab to another. This code would need to exist on ALL tabs. It should execute before your other scripts. // transfers sessionStorage from one tab to another var sessionStorage_transfer = function(event) { if(!event) { event = window.event; } // ie suq if(!event.newValu...