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What is the purpose of the var keyword and when should I use it (or omit it)?
What exactly is the function of the var keyword in JavaScript, and what is the difference between
19 Answers
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Pan & Zoom Image
...enderTransform is also set to a TransformGroup containing a ScaleTransform and a TranslateTransform.
I then handled the MouseWheel event on the image to implement zooming
private void image_MouseWheel(object sender, MouseWheelEventArgs e)
{
var st = (ScaleTransform)image.RenderTransform;
d...
Which is more efficient: Multiple MySQL tables or one large table?
...inally it was set up in various tables meaning data is linked with UserIds and outputting via sometimes complicated calls to display and manipulate the data as required. Setting up a new system, it almost makes sense to combine all of these tables into one big table of related content.
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How to set a default value for a datetime column to record creation time in a migration?
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end
See discussion at https://github.com/rails/rails/issues/27077 and answer there by prathamesh-sonpatki
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How to keep a Python script output window open?
...a few options:
Run the program from an already-open terminal. Open a command prompt and type:
python myscript.py
For that to work you need the python executable in your path. Just check on how to edit environment variables on Windows, and add C:\PYTHON26 (or whatever directory you installed pyt...
Why is null an object and what's the difference between null and undefined?
...n short; undefined is where no notion of the thing exists; it has no type, and it's never been referenced before in that scope; null is where the thing is known to exist, but it's not known what the value is.
One thing to remember is that null is not, conceptually, the same as false or "" or such, e...
How to run Unix shell script from Java code?
It is quite simple to run a Unix command from Java.
17 Answers
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ASP.NET MVC JsonResult Date Format
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Just to expand on casperOne's answer.
The JSON spec does not account for Date values. MS had to make a call, and the path they chose was to exploit a little trick in the javascript representation of strings: the string literal "/" is t...
Tab space instead of multiple non-breaking spaces (“nbsp”)?
... @AlexV - If you uses em as the dimension, as I did, it should expand with the text size. Even if you don't, it will depend on the nature of the zoom mechanism used.
– Alohci
Jun 16 '11 at 15:39
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Will HTML5 allow web apps to make peer-to-peer HTTP connections?
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Web Sockets is not part of HTML5 anymore, but a standalone specification.
– Sergey Ilinsky
Jun 23 '09 at 12:18
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