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JavaScript before leaving the page
...ant to show a prompt before the user leaves the page, use onbeforeunload:
window.onbeforeunload = function(){
return 'Are you sure you want to leave?';
};
Or with jQuery:
$(window).bind('beforeunload', function(){
return 'Are you sure you want to leave?';
});
This will just ask the user if...
Checking if jquery is loaded using Javascript
...e the same $() syntax.
Remove your $(document).ready() (use something like window.onload instead):
window.onload = function() {
if (window.jQuery) {
// jQuery is loaded
alert("Yeah!");
} else {
// jQuery is not loaded
alert("Doesn't Work");
}
}
...
What is a Windows Handle?
What is a "Handle" when discussing resources in Windows? How do they work?
7 Answers
...
How does the “this” keyword work?
...initial global execution context, ThisBinding is set to the global object, window (§10.4.1.1).
2. Entering eval code
…by a direct call to eval()
ThisBinding is left unchanged; it is the same value as the ThisBinding of the calling execution context (§10.4.2 (2)(a)).
…if not by a direct call ...
How do I find out what keystore my JVM is using?
... name uName, the "user.home" property value defaults to
C:\Users\uName on Windows 7 systems
C:\Winnt\Profiles\uName on multi-user Windows NT systems
C:\Windows\Profiles\uName on multi-user Windows 95 systems
C:\Windows on single-user Windows 95 systems
Thus, if the user name is "cathy", "user.hom...
PowerShell says “execution of scripts is disabled on this system.”
...
If you're using Windows Server 2008 R2 then there is an x64 and x86 version of PowerShell both of which have to have their execution policies set. Did you set the execution policy on both hosts?
As an Administrator, you can set the executio...
Open document with default OS application in Python, both in Windows and Mac OS
I need to be able to open a document using its default application in Windows and Mac OS. Basically, I want to do the same thing that happens when you double-click on the document icon in Explorer or Finder. What is the best way to do this in Python?
...
Issue with virtualenv - cannot activate
...mmand designed for users running on Linux (or any Posix, but whatever, not Windows).
On Windows, virtualenv creates a batch file, so you should run venv\Scripts\activate instead (per the virtualenv documentation on the activate script).
Edit:
The trick here for Windows is not specifying the BAT ex...
Define global variable in a JavaScript function
... // ...
}
</script>
Alternately, you can assign to a property on window:
<script>
function foo() {
window.yourGlobalVariable = ...;
}
</script>
...because in browsers, all global variables global variables declared with var are properties of the window object. (In the la...
DateTime.ToString(“MM/dd/yyyy HH:mm:ss.fff”) resulted in something like “09/14/2013 07.20.31.371”
...
I bumped into this problem lately with Windows 10 from another direction, and found the answer from @JonSkeet very helpful in solving my problem.
I also did som further research with a test form and found that when the the current culture was set to "no" or "nb-...