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JavaScript get clipboard data on paste event (Cross browser)
...d requires Firefox 22+)
Works for IE6+, FF 22+, Chrome, Safari, Edge
(Only tested in IE9+, but should work for lower versions)
If you need support for pasting HTML or Firefox <= 22, see Solution #2.
HTML
<div id='editableDiv' contenteditable='true'>Paste</div>
JavaScript
function han...
Is it a good practice to use try-except-else in Python?
...ns inherent in some of the "look-before-you-leap" constructs. For example, testing os.path.exists results in information that may be out-of-date by the time you use it. Likewise, Queue.full returns information that may be stale. The try-except-else style will produce more reliable code in these ca...
Class type check in TypeScript
...nymore:
The is operator, which is new for ActionScript 3.0, allows you to test whether a variable or expression is a member of a given data type. In previous versions of ActionScript, the instanceof operator provided this functionality, but in ActionScript 3.0 the instanceof operator should not be ...
How to get element by class name? [duplicate]
...entsByClassName
suppose you have some elements and applied a class name 'test', so, you can get elements like as following
var tests = document.getElementsByClassName('test');
its returns an instance NodeList, or its superset: HTMLCollection (FF).
Read more
...
How to unzip a file using the command line? [closed]
...ory is in your path (in most cases), you can use the command line:
jar xf test.zip
or if not in your path:
C:\Java\jdk1.6.0_03\bin>jar xf test.zip
Complete set of options for the jar tool available here.
Examples:
Extract jar file
jar x[v]f jarfile [inputfiles] [-Joption]
jar x[v...
Why are my PowerShell scripts not running?
...unning the command Set-ExecutionPolicy bypass -File C:\Users\david\Desktop\test.ps1 and got an error message. There is no -File option for this command.
– David Spector
Jul 9 '19 at 11:37
...
How can I get the line number which threw exception?
...
You get something similar to: System.Exception: Test at Tests.Controllers.HomeController.About() in c:\Users\MatthewB\Documents\Visual Studio 2013\Projects\Tests\Tests\Controllers\HomeController.cs:line 22
– Professor of programming
D...
How do you know a variable type in java?
...s very bad , So code...)
How to get variable's type?
Up's :
String str = "test";
String type = str.getClass().getName();
value: type = java.lang.String
this method :
str.getClass().getSimpleName();
value:String
now example:
Object o = 1;
o.getClass().getSimpleName();
value:Integer
...
c# datatable to csv
...rray();
sb.AppendLine(string.Join(",", fields));
}
File.WriteAllText("test.csv", sb.ToString());
.net >= 4.0
And as Tim pointed out, if you are on .net>=4, you can make it even shorter:
StringBuilder sb = new StringBuilder();
IEnumerable<string> columnNames = dt.Columns.Cast&l...
How can I update the current line in a C# Windows Console App?
... cursor flicker if the loop is long enough for the user to notice. See my test comment below.
– Kevin
May 20 '09 at 16:20
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