大约有 40,000 项符合查询结果(耗时:0.0361秒) [XML]

https://stackoverflow.com/ques... 

How can I add additional PHP versions to MAMP

... Found a quick fix in the MAMP forums. Basically it seems MAMP is only allowing 2 versions of PHP to show up. Quick fix, rename the folders you're not bothered about using, for me this meant adding an "X" to my /Applications/MAMP/bin/php/php5.4.10_X folder. Now 5.2.17 ...
https://stackoverflow.com/ques... 

Calling async method synchronously

...nc().Result; Note: In some cases, this might lead to a deadlock: Your call to Result blocks the main thread, thereby preventing the remainder of the async code to execute. You have the following options to make sure that this doesn't happen: Add .ConfigureAwait(false) to your library method or...
https://stackoverflow.com/ques... 

'is' versus try cast with null check

...ing) { var x = (string) o; } This translates to the following IL: IL_0000: nop IL_0001: ldstr "test" IL_0006: stloc.0 // o IL_0007: ldloc.0 // o IL_0008: isinst System.String IL_000D: ldnull IL_000E: cgt.un IL_0010: stloc.1 IL_0011: ldloc....
https://stackoverflow.com/ques... 

Static methods in Python?

Is it possible to have static methods in Python which I could call without initializing a class, like: 10 Answers ...
https://stackoverflow.com/ques... 

A cron job for rails: best practices?

... I'm using the rake approach (as supported by heroku) With a file called lib/tasks/cron.rake .. task :cron => :environment do puts "Pulling new requests..." EdiListener.process_new_messages puts "done." end To execute from the command line, this is just "rake cron". This command ...
https://stackoverflow.com/ques... 

Can't use Swift classes inside Objective-C

... -Swift.h file, only the bridging headers. So I created it, but it's actually empty. I can use all my ObjC classes in Swift, but I can't do it vice versa. I marked my swift class with @objc but it didn't help. What can I do now? ...
https://www.tsingfun.com/it/cp... 

C++ Lock-free Hazard Pointer(冒险指针) - C/C++ - 清泛网 - 专注C/C++及内核技术

C++ Lock-free Hazard Pointer(冒险指针)hazard_pointer1 Safe Reclamation MethodsFolly 的 Hazard Pointer 实现中有一段注释,详细描述了 C++ 里几种主流的安全内存回收方法,列表如下:优点缺点场景Locking易用读高开销 1. Safe Reclamation Methods Fo...
https://stackoverflow.com/ques... 

Lazy Method for Reading Big File in Python?

... To write a lazy function, just use yield: def read_in_chunks(file_object, chunk_size=1024): """Lazy function (generator) to read a file piece by piece. Default chunk size: 1k.""" while True: data = file_object.read(chunk_size) if not data: ...
https://stackoverflow.com/ques... 

Using PHP with Socket.io

...t there are some ways to implement WebSockets. There is this jQuery plugin allowing you to use Websockets while gracefully degrading for non-supporting browsers. On the PHP side, there is this class which seems to be the most widely used for PHP WS servers. ...
https://stackoverflow.com/ques... 

Merge, update, and pull Git branches without using checkouts

I work on a project that has 2 branches, A and B. I typically work on branch A, and merge stuff from branch B. For the merging, I would typically do: ...