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What's the difference between event.stopPropagation and event.preventDefault?

...;/div> With stopPropagation, only the button's click handler is called while the div's click handler never fires. Where as if you use preventDefault, only the browser's default action is stopped but the div's click handler still fires. Below are some docs on the DOM event properties and ...
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Passing a list of kwargs?

... another function's kwargs. Consider this code: (newlines don't seem to be allowed in comments) def a(**kw): print(kw), and def b(**kw): a(kw). This code will generate an error because kwargs is actually a dictionary, and will be interpreted as a regular argument of the dict type. Which is why chang...
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How to create duplicate allowed attributes

...teUsage attribute onto your Attribute class (yep, that's mouthful) and set AllowMultiple to true: [AttributeUsage(AttributeTargets.Method, AllowMultiple = true)] public sealed class MyCustomAttribute: Attribute share ...
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When to use os.name, sys.platform, or platform.system?

...specific modules are available (e.g. posix, nt, ...) platform.system() actually runs uname and potentially several other functions to determine the system type at run time. My suggestion: Use os.name to check whether it's a posix-compliant system. Use sys.platform to check whether it's a linux,...
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Haskell composition (.) vs F#'s pipe forward operator (|>)

...s pipelining, so that a known type appears on the left (see here). (Personally, I find points-free style unreadable, but I suppose every new/different thing seems unreadable until you become accustomed to it.) I think both are potentially viable in either language, and history/culture/accident may...
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What does template mean?

... template<void (*F)()> struct FunctionWrapper { static void call_it() { F(); } }; // pass address of function do_it as argument. void do_it() { } FunctionWrapper<&do_it> test; Template reference parameter (passing an integer) template<int &A> struct SillyExample { ...
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mysql check collation of a table

... The above answer is great, but it doesn't actually provide an example that saves the user from having to look up the syntax: show table status like 'test'; Where test is the table name. (Corrected as per comments below.) ...
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Where is the “Fold” LINQ Extension Method?

I found in MSDN's Linq samples a neat method called Fold() that I want to use. Their example: 2 Answers ...
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Specifying and saving a figure with exact size in pixels

...): plt.figure(figsize=(800/my_dpi, 800/my_dpi), dpi=my_dpi) So you basically just divide the dimensions in inches by your DPI. If you want to save a figure of a specific size, then it is a different matter. Screen DPIs are not so important anymore (unless you ask for a figure that won't fit in ...
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Android Layout with ListView and Buttons

... That's what I've basically been using, though I'm writing the layout in Java. The listView still extends over the buttons. – Kleptine Mar 5 '10 at 1:28 ...