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Get an element by index in jQuery
I have an unordered list and the index of an li tag in that list. I have to get the li element by using that index and change its background color. Is this possible without looping the entire list? I mean, is there any method that could achieve this functionality?
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How do I access an access array item by index in handlebars?
I am trying to specify the index of an item in an array within a handlebars template:
9 Answers
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What's the Best Way to Shuffle an NSMutableArray?
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You don't need the swapObjectAtIndex method. exchangeObjectAtIndex:withObjectAtIndex: already exists.
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How do I check in JavaScript if a value exists at a certain array index?
Will this work for testing whether a value at position index exists or not, or is there a better way:
18 Answers
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Adding multiple class using ng-class
...t;</div>
2. Adds 'odd' or 'even' classes to div, depending on the $index:
<div ng-class="[{0:'even', 1:'odd'}[ $index % 2]]"></div>
3. Dynamically creates a class for each div based on $index
<div ng-class="[{true:'index'+$index}[true]]"></div>
If $index=5 this ...
Using ThreadPool.QueueUserWorkItem in ASP.NET in a high traffic scenario
... being that you should leave the ThreadPool to deal with ASP.NET related requests.
11 Answers
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Turn Pandas Multi-Index into column
I have a dataframe with 2 index levels:
3 Answers
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Is an index needed for a primary key in SQLite?
...an integer column is marked as a primary key in an SQLite table, should an index be explicitly created for it as well? SQLite does not appear to automatically create an index for a primary key column, but perhaps it indexes it anyway, given its purpose? (I will be searching on that column all the ti...
How do I create a unique constraint that also allows nulls?
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SQL Server 2008 +
You can create a unique index that accept multiple NULLs with a WHERE clause. See the answer below.
Prior to SQL Server 2008
You cannot create a UNIQUE constraint and allow NULLs. You need set a default value of NEWID().
Update the existing valu...
How do I replace a character at a particular index in JavaScript?
I have a string, let's say Hello world and I need to replace the char at index 3. How can I replace a char by specifying a index?
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