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Indentation shortcuts in Visual Studio
...aligned vertically for it to be any use. This is one area where RAD Studio wins hands down.
– David Heffernan
Jan 26 '12 at 9:17
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How to convert QString to std::string?
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std::string utf8_text = qs.toUtf8().constData();
// or this if you're on Windows :-)
std::string current_locale_text = qs.toLocal8Bit().constData();
The suggested (accepted) method may work if you specify codec.
See: http://doc.qt.io/qt-5/qstring.html#toLatin1
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Getting a random value from a JavaScript array
...s to performance optimization while producing output using UI elements, ~~ wins the game. MORE INFO
var rand = myArray[~~(Math.random() * myArray.length)];
But if you know that the array is going to have millions of elements than you might want to reconsider between Bitwise Operator and Math.Floor(...
Overriding a Rails default_scope
...rder('created_at desc')
end
Foo.reorder('created_at asc')
runs the following SQL:
SELECT * FROM "foos" ORDER BY created_at asc
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Could not load file or assembly 'System.Data.SQLite'
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I'm running windows 7, and I hit this issue; turning 32-bit on fixed it for me, presumably because my copy of the DLL was 32-bit.
– Doug
Jul 12 '11 at 3:41
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Determine which MySQL configuration file is being used
...-help | grep -A 1 "Default options"
Default options are read from the following files in the given order:
/etc/mysql/my.cnf ~/.my.cnf /usr/etc/my.cnf
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Install an apk file from command prompt?
I want to install a file using the Windows command line. First I want to build after compiling all the .jar files to create an .apk file for an Android application without using Eclipse.
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Load image from resources area of project in C#
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Are you using Windows Forms? If you've added the image using the Properties/Resources UI, you get access to the image from generated code, so you can simply do this:
var bmp = new Bitmap(WindowsFormsApplication1.Properties.Resources.myima...
Changing website favicon dynamically
...d here). Here is a different demo of code that works in IE11 too. The following example might not work in Safari or Internet Explorer.
/*!
* Dynamically changing favicons with JavaScript
* Works in all A-grade browsers except Safari and Internet Explorer
* Demo: http://mathiasbynens.be/demo/dyna...
How best to include other scripts?
... (And a nice warning about the script not being able to find dependencies) wins.
– Aaron H.
Oct 29 '10 at 16:54
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