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Return first N key:value pairs from dict
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There's no such thing a the "first n" keys because a dict doesn't remember which keys were inserted first.
You can get any n key-value pairs though:
n_items = take(n, d.iteritems())
This uses the implementation of take from the itertools recipes:
from itertools i...
Batch file. Delete all files and folders in a directory
I want to have a batch file that will delete all the folders and files in my cache folder for my wireless toolkit.
15 Answe...
How to get a resource id with a known resource name?
I want to access a resource like a String or a Drawable by its name and not its int id.
10 Answers
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if (key in object) or if(object.hasOwnProperty(key)
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Be careful - they won't produce the same result.
in will also return true if key gets found somewhere in the prototype chain, whereas Object.hasOwnProperty (like the name already tells us), will only return true if key is av...
Can you help me understand Moq Callback?
Using Moq and looked at Callback but I have not been able to find a simple example to understand how to use it.
5 Answers...
How do I create a nice-looking DMG for Mac OS X using command-line tools?
...o create a nice installer for a Mac application. I want it to be a disk image (DMG), with a predefined size, layout and background image.
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Biggest GWT Pitfalls? [closed]
I'm at the beginning/middle of a project that we chose to implement using GWT. Has anyone encountered any major pitfalls in using GWT (and GWT-EXT) that were unable to be overcome? How about from a performance perspective?
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How do I perform an IF…THEN in an SQL SELECT?
...ons of SQL Server.
SELECT CAST(
CASE
WHEN Obsolete = 'N' or InStock = 'Y'
THEN 1
ELSE 0
END AS bit) as Saleable, *
FROM Product
You only need to do the CAST if you want the result as a Boolean value. If you are hap...
Variable declaration in a C# switch statement [duplicate]
Why is it that in a C# switch statement, for a variable used in multiple cases, you only declare it in the first case?
7 An...
What does ':' (colon) do in JavaScript?
I'm learning JavaScript and while browsing through the jQuery library I see : (colon) being used a lot. What is this used for in JavaScript?
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