大约有 45,000 项符合查询结果(耗时:0.0697秒) [XML]

https://stackoverflow.com/ques... 

How can I get dictionary key as variable directly in Python (not by searching from value)?

... not turning up anything other than how to get a dictionary's key based on its value which I would prefer not to use as I simply want the text/name of the key and am worried that searching by value may end up returning 2 or more keys if the dictionary has a lot of entries... what I am trying to do i...
https://stackoverflow.com/ques... 

Warning “Do not Access Superglobal $_POST Array Directly” on Netbeans 7.4 for PHP

...follow | edited Nov 9 '13 at 10:40 ralight 9,12522 gold badges4040 silver badges5252 bronze badges ...
https://stackoverflow.com/ques... 

Is there an IDictionary implementation that, on missing key, returns the default value instead of th

... Indeed, that won't be efficient at all. You could always write an extension method: public static TValue GetValueOrDefault<TKey,TValue> (this IDictionary<TKey, TValue> dictionary, TKey key) { TValue ret; // Ignore return value dictionary.TryGetValue(key, ...
https://stackoverflow.com/ques... 

How to automatically generate N “distinct” colors?

I wrote the two methods below to automatically select N distinct colors. It works by defining a piecewise linear function on the RGB cube. The benefit of this is you can also get a progressive scale if that's what you want, but when N gets large the colors can start to look similar. I can also imagi...
https://www.tsingfun.com/it/cpp/662.html 

SEH stack 结构探索(1)--- 从 SEH 链的最底层(线程第1个SEH结构)说起 -...

...是什么时候构建的,我在线程启动例程找到答案:ntdll32!_RtlUserThreadStart()里。0:000:x86> uf ntdll32!_Rt...线程的第 1 个 SEH 结构是什么时候构建的,我在线程启动例程找到答案:ntdll32!_RtlUserThreadStart() 里。 0:000:x86> uf ntdll32!_RtlU...
https://stackoverflow.com/ques... 

What is the difference between g++ and gcc?

...s (cc1 cc1plus ...) to call depending on the file-type, unless overridden with -x language, they have some differences. The probably most important difference in their defaults is which libraries they link against automatically. According to GCC's online documentation link options and how g++ is i...
https://stackoverflow.com/ques... 

Sharing a result queue among several processes

...e multiprocessing module shows how to pass a queue to a process started with multiprocessing.Process . But how can I share a queue with asynchronous worker processes started with apply_async ? I don't need dynamic joining or anything else, just a way for the workers to (repeatedly) report their ...
https://stackoverflow.com/ques... 

Creating a UICollectionView programmatically

...viewDidLoad { [super viewDidLoad]; self.view = [[UIView alloc] initWithFrame:[[UIScreen mainScreen] bounds]]; UICollectionViewFlowLayout *layout=[[UICollectionViewFlowLayout alloc] init]; _collectionView=[[UICollectionView alloc] initWithFrame:self.view.frame collectionViewLayout...
https://stackoverflow.com/ques... 

What is the purpose of class methods?

...n that operates on MyClass (factory, dependency injection stub, etc), make it a classmethod. Then it'll be available to subclasses. share | improve this answer | follow ...
https://stackoverflow.com/ques... 

Is 'switch' faster than 'if'?

Is a switch statement actually faster than an if statement? 12 Answers 12 ...