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How to include “zero” / “0” results in COUNT aggregate?
I've just got myself a little bit stuck with some SQL. I don't think I can phrase the question brilliantly - so let me show you.
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How to return a part of an array in Ruby?
With a list in Python I can return a part of it using the following code:
6 Answers
6
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How to do an INNER JOIN on multiple columns
I'm working on a homework project and I'm supposed to perform a database query which finds flights either by the city name or the airport code, but the flights table only contains the airport codes so if I want to search by city I have to join on the airports table.
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Git update submodules recursively
My project struture
4 Answers
4
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How to tell Xcode where my info.plist and .pch files are
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I know this answer is answered and closed, but I'm going to add my discoveries here as it is slightly different for Xcode 4.2:
Select your project
In the left side of the middle pane, select your app under "Targets"
Select the tab "Build Settings"
Search the followi...
Move an item inside a list?
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Use the insert method of a list:
l = list(...)
l.insert(index, item)
Alternatively, you can use a slice notation:
l[index:index] = [item]
If you want to move an item that's already in the list to the specified position,...
How do I use WebStorm for Chrome Extension Development?
I just bought WebStorm 5 and so far have been really enjoying its Inspection features. One hitch I've run in to when developing my Chrome extension is that it doesn't recognize the chrome variable:
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Using Java 8's Optional with Stream::flatMap
...latMap(Optional::stream)
.findFirst();
Java 8
Yes, this was a small hole in the API, in that it's somewhat inconvenient to turn an Optional<T> into a zero-or-one length Stream<T>. You could do this:
Optional<Other> result =
things.stream()
.map(this::resolv...
How to use JavaScript variables in jQuery selectors?
How do I use JavaScript variables as a parameter in a jQuery selector?
6 Answers
6
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Returning first x items from array
I want to return first 5 items from array. How can I do this?
5 Answers
5
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