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What is the standard exception to throw in Java for not supported/implemented operations?
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answered May 6 '09 at 11:24
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The order of keys in dictionaries
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You could use OrderedDict (requires Python 2.7) or higher.
Also, note that OrderedDict({'a': 1, 'b':2, 'c':3}) won't work since the dict you create with {...} has already forgotten the order of the elements. Instead, you want to use OrderedDict([('a', 1), ('b', 2), (...
Postgres: INSERT if does not exist already
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+250
Postgres 9.5 (released since 2016-01-07) offers an "upsert" command, also known as an ON CONFLICT clause to INSERT:
INSERT ... ON C...
Can I use CASE statement in a JOIN condition?
The following image is a part of Microsoft SQL Server 2008 R2 System Views. From the image we can see that the relationship between sys.partitions and sys.allocation_units depends on the value of sys.allocation_units.type . So to join them together I would write something similar to this:
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Moving and vanishing lines of code; trouble with Eclipse's XML Editor
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32
This bug is (finally) fixed in ADT 21. The fix is now available in ADT 21 Preview 9, posted a fe...
You have already activated X, but your Gemfile requires Y
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Basically what's happening is that you've updated rake to 0.9.2 which now conflicts with the version specified in your Gemfile. Previously the latest version of rake you had matched the version in your Gemfile, so you didn't get any warning when simply using rake.
Yehuda Katz (one of t...
Is there a way to make AngularJS load partials in the beginning and not at when needed?
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270
Yes, there are at least 2 solutions for this:
Use the script directive (http://docs.angularj...
Overriding == operator. How to compare to null? [duplicate]
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255
Use object.ReferenceEquals(person1, null) instead of the == operator:
public static bool oper...