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What is the EAFP principle in Python?
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From the glossary:
Easier to ask for forgiveness than permission. This common Python coding style assumes the existence of valid keys or attributes and catches exceptions if the assumption proves false. This clean and fast style is ...
How to remove/ignore :hover css style on touch devices
...les using JS
You can remove all the CSS rules containing :hover using Javascript. This has the advantage of not having to touch CSS and being compatible even with older browsers.
function hasTouch() {
return 'ontouchstart' in document.documentElement
|| navigator.maxTouchPoints > 0
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JavaScript: How do I print a message to the error console?
...t works cross-browser is outlined in Debugging JavaScript: Throw Away Your Alerts!.
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How Can I Download a File from EC2 [closed]
...n FTP client. If you are on Windows I would recommend you Filezilla.
What OS are you in?
Since you are in Ubuntu, try this:
Connect to a file server
+ In the file manager, click File ▸ Connect to Server.
Enter the server address, select the type of server, and enter any additional ...
Get fragment (value after hash '#') from a URL in php [closed]
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alert(window.location.hash);
– sfussenegger
Feb 23 '10 at 11:15
6
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How to clean project cache in Intellij idea like Eclipse's clean?
...er for your installed version. The location of this folder depends on your OS and version installed.
Windows Vista, 7, 8, 10
<SYSTEM DRIVE>\Users\<USER ACCOUNT NAME>\.<PRODUCT><VERSION>
Linux/Unix
~/.<PRODUCT><VERSION>
Mac OS
~/Library/Caches/<PRODUCT>&l...
Getting list of parameter names inside python function [duplicate]
... to be backported. func_code also still works.
– Def_Os
Dec 7 '15 at 22:51
1
@Def_Os - __code__ w...
Generating file to download with Django
Is it possible to make a zip archive and offer it to download, but still not save a file to the hard drive?
8 Answers
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Best way to alphanumeric check in JavaScript
...lementById('TCode').value;
if( /[^a-zA-Z0-9]/.test( TCode ) ) {
alert('Input is not alphanumeric');
return false;
}
return true;
}
If there's at least one match of a non alpha numeric, it will return false.
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What's the difference between Thread start() and Runnable run()
... I consider that before we call Thread#start() ,nothing really relative to os thread happens? It is only a java object.
– Jaskey
Dec 6 '14 at 9:38
4
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