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Check if element exists in jQuery [duplicate]
... me.
You need to put # before element id:
$('#elemId').length
---^
With vanilla JavaScript, you don't need the hash (#) e.g. document.getElementById('id_here') , however when using jQuery, you do need to put hash to target elements based on id just like CSS.
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Django 1.7 throws django.core.exceptions.AppRegistryNotReady: Models aren't loaded yet
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This is what solved it for us and these folks:
Our project started with Django 1.4, we went to 1.5 and then to 1.7. Our wsgi.py looked like this:
import os
from django.core.handlers.wsgi import WSGIHandler
os.environ['DJANGO_SETTINGS_MODULE'...
Is there a Google Voice API? [closed]
...ly or unofficially) for Google Voice? I would like to have an API to work with voicemails, send/receive SMS messages, initiate calls, etc.
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Is there any difference between GROUP BY and DISTINCT
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MusiGenesis' response is functionally the correct one with regard to your question as stated; the SQL Server is smart enough to realize that if you are using "Group By" and not using any aggregate functions, then what you actually mean is "Distinct" - and therefore it generates a...
JavaScript before leaving the page
...nt to make a confirmation before user leaving the page. If he says ok then it would redirect to new page or cancel to leave. I tried to make it with onunload
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What goes into the “Controller” in “MVC”?
...a and behaviour of the application, the View is responsible for displaying it to the user and the Controller deals with user input. What I'm uncertain about is exactly what goes in the Controller.
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Bash script plugin for Eclipse? [closed]
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ShellEd looks promising, does syntax highlighting, and has positive reviews, although I've not tried it myself. It was approved for distro inclusion by Redhat. There's a little more info on the ShellEd plugin page on the Eclipse site, and installation instructions on their wiki.
Note t...
Using backticks around field names
...ich has a policy which bans them, I'm wondering if there's anything wrong with using backticks around field names in MySQL.
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jQuery AJAX cross domain
...NP <-- P (lowercase)
success:function(json){
// do stuff with json (in this case an array)
alert("Success");
},
error:function(){
alert("Error");
}
});
PHP:
<?php
$arr = array("element1","element2",array("element31","element32"));
$arr['n...
Testing Private method using mockito
... private method is called or not, and how to test private method using mockito???
12 Answers
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