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Asynchronous vs synchronous execution, what does it really mean? [closed]
What is the difference between asynchronous and synchronous execution?
22 Answers
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成功熬了四年还没死？一个IT屌丝创业者的深刻反思 - 资讯 - 清泛网 - 专注C...
...升级为Nginx，在Mac上装Ubuntu，Ubuntu里再装个虚拟机去跑Mac OS……
IT青年们也喜欢升级自己的人生，从程序员升级到项目经理，再升级到技术总监或产品总监，再升级到合伙人……
在不断追求升级的过程中，所面临的一个很...
Using i and j as variables in Matlab
i and j are very popular variable names (see e.g., this question and this one ).
9 Answers
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C/C++ include header file order
...ed without prerequisites (terminus technicus: header is "self-contained"). And the rest just seems to flow logically from there.
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What is the difference between NULL, '\0' and 0?
...e appear to be differences between various values of zero -- NULL , NUL and 0 .
11 Answers
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How to create a temporary directory?
I use to create a tempfile , delete it and recreate it as a directory:
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Ask for User Permission to Receive UILocalNotifications in iOS 8
...ion to show notifications from your app, this applies for both remote/push and local notifications. In Swift you can do it like this,
Update for Swift 2.0
func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: NSDictionary?) -> Bool {
// Override point for...
How can I create directory tree in C++/Linux?
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With C++17 or later, there's the standard header <filesystem> with
function
std::filesystem::create_directories
which should be used in modern C++ programs.
The C++ standard functions do not have the POSIX-specific explicit
permissions (mode) argument, t...
How to fix corrupted git repository?
...loning my repository which I keep on my Ubuntu one folder to a new machine and I got this:
14 Answers
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vector::at vs. vector::operator[]
...t; surprising results!! 5 to 10 times slower/faster! . I just don't understand what the at() method is good for.
8 Answer...