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Check if a div exists with jquery [duplicate]
...myDiv.length){
//you can now reuse $myDiv here, without having to select it again.
}
});
A selector always returns a jQuery object, so there shouldn't be a need to check against null (I'd be interested if there is an edge case where you need to check for null - but I don't think the...
Using CSS how to change only the 2nd column of a table
...
@Deeksy - That's not accurate, it doesn't care what the selector is. nth-child is applied after finding the element, and it's nth compared to whatever parent it has, no matter if it was in the selector or not. You can see this working here: jsfiddle.net/JQQPz
...
How to clear all s’ contents inside a parent ?
...t was asked for in the original question -- you should use a more specific selector.
– Drew Noakes
Aug 10 '11 at 10:48
4
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Rails: Default sort order for a rails model?
...hen it gets used for actions like where's limiting (filtering) the default selection (a bad idea for a default) rather than just being used for ordering results.
For where selections, just use the regular named scopes. and add that scope on in the query, e.g. Book.all.published where published is a ...
Why do we have to specify FromBody and FromUri?
...When a parameter has [FromBody], Web API uses the Content-Type header
to select a formatter. In this example, the content type is
"application/json" and the request body is a raw JSON string (not a
JSON object). At most one parameter is allowed to read from the
message body.
This shoul...
How to replace list item in best way
...a", "b");
// {"b", "b", "c", "d"};
var intEnum = intArray.Select(x => x);
intEnum = intEnum.Replace(0, 1);
// {0, 0, 1, 2, 3, 4} => {1, 1, 1, 2, 3, 4}
No code duplication
There is no need to type long linq expressions
There is no need for additional usings
T...
Carriage Return/Line Feed in .Net Resource File (App_GlobalResources)
...n Visual Studio:
Right click to the resource file
Click to Open with ...
Select XML (Text) Editor with Encoding
Click OK
Click OK again for encoding selection (auto-detect)
Search for the name (key) of your text (e.g. "MY_TEXT")
Edit the text inside of the <value> tag. For linebreaks just pu...
Why Qt is misusing model/view terminology?
...t provides simple views for their models. They have a controller built in: selecting, editing and moving items are something what in most cases a controller "controls". That is, interpreting user input (mouse clicks and moves) and giving the appropriate commands to the model.
Qt's models are indeed...
The entity type is not part of the model for the current context
...the Solution Explorer
Right click on the table head you want to remove and select "Delete from Model"
Now again right click on the work area and select "Update Model from Database.."
Add the table again from the table list
Clean and build the solution
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android.widget.Switch - on/off event listener?
...bout you but I wish they named it OnCheckChangedListener, similar to OnItemSelectedListener, since On-Noun-Verb-Listener is an established naming convetion.
– Sam
Jul 1 '12 at 0:10
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