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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 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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How to create a temporary directory?
I use to create a tempfile , delete it and recreate it as a directory:
4 Answers
4
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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...
Creating temporary files in bash
...many shell scripts take the name of the program with
the pid as a suffix and use that as a temporary file name. This kind
of naming scheme is predictable and the race condition it creates is
easy for an attacker to win. A safer, though still inferior, approach
is to make a temporary directo...
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...
Fastest way to remove first char in a String
...foo" instead of "//foo".
The first option needs a bit more work to understand than the third - I would view the Substring option as the most common and readable.
(Obviously each of them as an individual statement won't do anything useful - you'll need to assign the result to a variable, possibly d...
How can I deploy an iPhone application from Xcode to a real iPhone device?
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It sounds like the application isn't signed. Download ldid from Cydia and then use it like so: ldid -S /Applications/AccelerometerGraph.app/AccelerometerGraph
Also be sure that the binary is marked as executable: chmod +x /Applications/AccelerometerGraph.app/AccelerometerGraph
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