大约有 45,000 项符合查询结果（耗时：0.0495秒） [XML]
How can I efficiently select a Standard Library container in C++11?
There's a well known image (cheat sheet) called "C++ Container choice". It's a flow chart to choose the best container for the wanted usage.
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Disable migrations when running unit tests in Django 1.7
...ound, posted by Bernie Sumption to the Django developers mailing list:
If makemigrations has not yet been run, the "migrate" command treats
an app as unmigrated, and creates tables directly from the models just
like syncdb did in 1.6. I defined a new settings module just for unit
tests cal...
How to know if two arrays have the same values
...
function arraysEqual(_arr1, _arr2) {
if (!Array.isArray(_arr1) || ! Array.isArray(_arr2) || _arr1.length !== _arr2.length)
return false;
var arr1 = _arr1.concat().sort();
var arr2 = _arr2.concat().sort();
for (var i = 0; i < arr1.length; i...
How to convert an xml string to a dictionary?
...:
def __init__(self, aList):
for element in aList:
if element:
# treat like dict
if len(element) == 1 or element[0].tag != element[1].tag:
self.append(XmlDictConfig(element))
# treat like list
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How disable Copy, Cut, Select, Select All in UITextView
...o allow:
- (BOOL)canPerformAction:(SEL)action withSender:(id)sender
{
if (action == @selector(paste:))
return NO;
return [super canPerformAction:action withSender:sender];
}
Also see UIResponder
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Enum type constraints in C# [duplicate]
...an the restrictions being removed from C# 5. (I assume C# 4 is locked down now.)
– Jon Skeet
Sep 10 '09 at 8:52
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How to find out if an installed Eclipse is 32 or 64 bit version?
How can I find out if a specific Eclipse instance on my (Windows 7) PC is the 32-bit or 64-bit version?
5 Answers
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What is the syntax rule for having trailing commas in tuple definitions?
...lly when you have a long initialisation that is split over multiple lines. If you always include a trailing comma then you won't add another line to the end expecting to add another element and instead just creating a valid expression:
a = [
"a",
"b"
"c"
]
Assuming that started as a 2 el...
How to change the button text of ?
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@Ya can you tell what browser and it version? Tested now on Chrome Version 43.0.2357.130 (64-bit) on Linux and all examples works perfectly.
– Fernando Kosh
Jul 6 '15 at 21:16
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Override setter with arc
...ary as you don't do more than the standard generated setter would do? Only if you add more code to setImageURLString: would you need to override the setter.
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