大约有 31,840 项符合查询结果（耗时：0.0425秒） [XML]
UIImagePickerController error: Snapshotting a view that has not been rendered results in an empty sn
...t seems that if a previous transition didn't complete and you launch a new one, iOS7 messes the views, where iOS6 seems to manage it correctly.
You should initialize your Camera in your UIViewController, only after the view has Loaded and with a timeout:
- (void)viewDidAppear:(BOOL)animated
{
...
How do the likely/unlikely macros in the Linux kernel work and what is their benefit?
...inux developers are pretty experienced so I would imagine they would have done that. They don't really care too much about portability as they only target gcc, and they have a very close idea of the assembly they want it to generate.
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Good NumericUpDown equivalent in WPF? [closed]
...is seems to be another lacking control in WPF. There must be some existing ones out there and I don't like to re-invent the wheel.
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How do I get jQuery to select elements with a . (period) in their ID?
...character for JavaScript
strings. The first backslash escapes the second one, giving you one actual
backslash in your string - which then escapes the next character for jQuery.
So, I guess you're looking at
$(function() {
$.getJSON("/Location/GetCountryList", null, function(data) {
$("...
Objective-C categories in static library
Can you guide me how to properly link static library to iPhone project. I use static library project added to app project as direct dependency (target -> general -> direct dependencies) and all works OK, but categories. A category defined in static library is not working in app.
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'is' versus try cast with null check
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Because there's only one cast. Compare this:
if (myObj.myProp is MyType) // cast #1
{
var myObjRef = (MyType)myObj.myProp; // needs to be cast a second time
// before using it as a MyType
...
}
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Is there a benefit to defining a class inside another class in Python?
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You might want to do this when the "inner" class is a one-off, which will never be used outside the definition of the outer class. For example to use a metaclass, it's sometimes handy to do
class Foo(object):
class __metaclass__(type):
....
instead of defining a ...
Printing 1 to 1000 without loop or conditionals
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@dreamlax: It's just one of those things I have learned from experience over the years: use '\n' unless you really want to flush, use ++i unless you actually need the former value of i, pass by const reference unless you have a good reason not to...
How to get object size in memory? [duplicate]
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i dont think anyone cares about getting the exact amount of memory consumption but this is fast and gives a good estimate, hence the "this may not be accurate but its close enough for me". why don't you haters come up with something solid?
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How do I pass a method as a parameter in Python
...ose arguments from somewhere. For instance, if method1 is supposed to take one argument:
def method1(self, spam):
return 'hello ' + str(spam)
then you could write method2 to call it with one argument that gets passed in:
def method2(self, methodToRun, spam_value):
return methodToRun(spam_va...