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Sqlite primary key on multiple columns
What is the syntax for specifying a primary key on more than 1 column in SQLITE ?
9 Answers
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How to check if a variable exists in a FreeMarker template?
...ce and emptiness is a good idea in a lot of cases, and makes your template more robust and less prone to silly errors. In other words, if you check to make sure your variable is not null AND not empty before using it, then your template becomes more flexible, because you can throw either a null var...
Get the last non-empty cell in a column in Google Sheets
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There may be a more eloquent way, but this is the way I came up with:
The function to find the last populated cell in a column is:
=INDEX( FILTER( A:A ; NOT( ISBLANK( A:A ) ) ) ; ROWS( FILTER( A:A ; NOT( ISBLANK( A:A ) ) ) ) )
So if you...
Adding a legend to PyPlot in Matplotlib in the simplest manner possible
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Difference between JSON.stringify and JSON.parse
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Track all remote git branches as local branches
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AngularJS changes URLs to “unsafe:” in extension page
...o use Angular with a list of apps, and each one is a link to see an app in more detail ( apps/app.id ):
6 Answers
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Does .NET have a way to check if List a contains all items in List b?
...aren't in a - and then inverts the result.
Note that it would be slightly more conventional to make the method generic rather than the class, and there's no reason to require List<T> instead of IEnumerable<T> - so this would probably be preferred:
public static class LinqExtras // Or w...
Unbalanced calls to begin/end appearance transitions for
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Without seeing more of the surrounding code I can't give a definite answer, but I have two theories.
You're not using UIViewController's designated initializer initWithNibName:bundle:. Try using it instead of just init.
Also, self may be ...