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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 ...
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 can I extract embedded fonts from a PDF as valid font files?
...e subset of glyphs used in the document.
Using pdftops
One of the most frequently used methods to do this on *nix systems consists of the following steps:
Convert the PDF to PostScript, for example by using XPDF's pdftops (on Windows: pdftops.exe helper program.
Now fonts will be embedded in .pfa ...
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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What is the difference between String.slice and String.substring?
...l be set to string.length + stop if stop is negative. Remember stop is the index after the last character extracted!
– user1537366
Dec 9 '14 at 15:53
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