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Is there a standard function to check for null, undefined, or blank variables in JavaScript?
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return value === (void 0) is safer than testing against undefined which may well be a legitimate variable in scope, sadly.
– x0n
Jan 19 '16 at 5:09
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CSS, Images, JS not loading in IIS
... on stage but loading on production. I use @Url.Content() too with ~/. Not tested on production, but I think it'll works
– Kross
Feb 28 '19 at 21:25
add a comment
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How to delete from multiple tables in MySQL?
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I don't have a mysql database to test on at the moment, but have you tried specifying what to delete prior to the from clause? For example:
DELETE p, pa FROM `pets` p,
`pets_activities` pa
WHERE p.`order` > :order
AND p.`pet_id` = :pet_id
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Call PowerShell script PS1 from another PS1 script inside Powershell ISE
...d not anything else can be illustrated with this example script.
## ScriptTest.ps1
Write-Host "InvocationName:" $MyInvocation.InvocationName
Write-Host "Path:" $MyInvocation.MyCommand.Path
Here are some results.
PS C:\Users\JasonAr> .\ScriptTest.ps1
InvocationName: .\ScriptTest.ps1
Path: C:\...
Detecting superfluous #includes in C/C++?
... relatively slow. Eclipse CDT's analysis is fast (interactive) and, when I tested it, less accurate.
– Josh Kelley
Jul 12 '18 at 15:19
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sho...
How does inheritance work for Attributes?
...of MySubClass...
MySubClass MySubClassInstance = new MySubClass();
Then test to see if it has the attribute...
MySubClassInstance <--- now has the MyUberAttribute with "Bob" as the SpecialName value.
share
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Programmatically obtain the phone number of the Android phone
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Well, i tested it on Nexus One with Android OS 2.2 and it returns null
– Omar Rehman
May 21 '11 at 10:50
43
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Can you run GUI applications in a Docker container?
...llows you to package many gui apps in docker. Firefox and emacs have been tested so far. With firefox, webGL doesn't work though. Chromium doesn't work at all.
EDIT: Sound works!
EDIT2: In the time since I first posted this, subuser has progressed greatly. I now have a website up subuser.org, a...
Do I need Content-Type: application/octet-stream for file download?
...ime ago at this point (and I'm going to bed soon so I'm not going to start testing a whole bunch of browsers right now; maybe later).
RFC 2616 also mentions the possibility of extension tokens, and these days most browsers recognise inline to mean you do want the entity displayed if possible (that ...
How to add extra info to copied web text
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The shortest version for jQuery that I tested and is working is:
jQuery(document).on('copy', function(e)
{
var sel = window.getSelection();
var copyFooter =
"<br /><br /> Source: <a href='" + document.loc...