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What is Linux’s native GUI API?
Both Windows (Win32 API) and OS X (Cocoa) have their own APIs to handle windows, events and other OS stuff. I have never really got a clear answer as to what Linux’s equivalent is?
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best way to preserve numpy arrays on disk
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would you be willing to provide some example code using these packages to save an array?
– dbliss
Apr 13 '15 at 23:36
12
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What's the difference between globals(), locals(), and vars()?
... or the dictionary of the argument.
locals and vars could use some more explanation. If locals() is called inside a function, it updates a dict with the values of the current local variable namespace (plus any closure variables) as of that moment and returns it. Multiple calls to locals() in the ...
how to check if object already exists in a list
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It depends on the needs of the specific situation. For example, the dictionary approach would be quite good assuming:
The list is relatively stable (not a lot of inserts/deletions, which dictionaries are not optimized for)
The list is quite large (otherwise the overhead of the di...
How to specialize std::hash::operator() for user-defined type in unordered containers?
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You are expressly allowed and encouraged to add specializations to namespace std*. The correct (and basically only) way to add a hash function is this:
namespace std {
template <> struct hash<Foo>
{
size_t operato...
Using jQuery how to get click coordinates on the target element
...ocation
Try this Demo : http://jsfiddle.net/AMsK9/
Edit :
1) event.pageX, event.pageY gives you the mouse position relative document !
Ref : http://api.jquery.com/event.pageX/
http://api.jquery.com/event.pageY/
2) offset() : It gives the offset position of an element
Ref : http://api....
passing several arguments to FUN of lapply (and others *apply)
...ddendum: You can use ... when you're writing your own functions, too. For example, say you write a function that calls plot at some point, and you want to be able to change the plot parameters from your function call. You could include each parameter as an argument in your function, but that's annoy...
JavaScript checking for null vs. undefined and difference between == and ===
...when you ask an object for a property it doesn't have. But it can also be explicitly used in all of those situations. (There's a difference between an object not having a property, and having the property with the value undefined; there's a difference between calling a function with the value undefi...
How should I validate an e-mail address?
...oing this which are included in Android already or would I have to use RegExp?
32 Answers
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Best way to parse command-line parameters? [closed]
...in Scala?
I personally prefer something lightweight that does not require external jar.
26 Answers
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