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snprintf and Visual Studio 2010
...lier versions you can simulate it as below.
Long version:
Here is the expected behavior for snprintf:
int snprintf( char* buffer, std::size_t buf_size, const char* format, ... );
Writes at most buf_size - 1 characters to a buffer. The resulting
character string will be terminated with a ...
Comparing numbers in Bash
...
In bash, you should do your check in arithmetic context:
if (( a > b )); then
...
fi
For POSIX shells that don't support (()), you can use -lt and -gt.
if [ "$a" -gt "$b" ]; then
...
fi
You can get a full list of comparison operators with help test or man test....
Captured variable in a loop in C#
...reach:
for (int i=0; i < 10; i++) // Just one variable
foreach (string x in foo) // And again, despite how it reads out loud
See section 7.14.4.2 of the C# 3.0 spec for more details of this, and my article on closures has more examples too.
Note that as of the C# 5 compiler and beyond (even w...
NSNotificationCenter addObserver in Swift
...
It's the same as the Objective-C API, but uses Swift's syntax.
Swift 4.2 & Swift 5:
NotificationCenter.default.addObserver(
self,
selector: #selector(self.batteryLevelChanged),
name: UIDevice.batteryLevelDidChangeNotification,
object: nil)
If your observer does...
How do I create my own URL protocol? (e.g. so://…) [closed]
...ocol ""
shell/
open/
command/
(Default) PathToExecutable
Sources: https://www.iana.org/assignments/uri-schemes/uri-schemes.xhtml,
http://msdn.microsoft.com/en-us/library/aa767914(v=vs.85).aspx
...
How to determine if a string is a number with C++?
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Change the color of a bullet in a html list?
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The bullet gets its color from the text. So if you want to have a different color bullet than text in your list you'll have to add some markup.
Wrap the list text in a span:
<ul>
<li><span>item #1</span></li>
<li><sp...
Insert text into textarea with jQuery
I'm wondering how I can insert text into a text area using jquery, upon the click of an anchor tag.
17 Answers
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Python error “ImportError: No module named”
...rinting, perhaps a carriage-return (end-of-line in Windows is CR/LF; in unix it is LF only), or perhaps a CTRL-Z (windows end-of-file).
You used WinSCP to copy the file to your unix box.
WinSCP thought: "This has something that's not basic text; I'll put a .bin extension to indicate binary data."
Th...
puts vs logger in rails rake tasks
...nvironment] do
Rails.logger = Logger.new(STDOUT)
end
This way when you execute your rake task you can add to_stdout first to get stdout log messages or don't include it to have messages sent to the default log file
rake to_stdout some_task
...