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how to listen to N channels? (dynamic select statement)
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154
You can do this using the Select function from the reflect package:
func Select(cases []Se...
Extract substring in Bash
Given a filename in the form someletters_12345_moreleters.ext , I want to extract the 5 digits and put them into a variable.
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What does “fragment” mean in ANTLR?
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113
A fragment is somewhat akin to an inline function: It makes the grammar more readable and easi...
Get class name of django model
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154
Try Book.__name__.
Django models are derived from the ModelBase, which is the Metaclass for a...
Is there XNOR (Logical biconditional) operator in C#?
... also that this doesn't generalize to bitwise operations, where you want 0x1234 XNOR 0x5678 == 0xFFFFBBB3 (assuming 32 bits). For that, you need to build up from other operations, like ~(A^B). (Note: ~, not !.)
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What happens if a Android Service is started multiple times?
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The Service will only run in one instance. However, everytime you start the service, the onSta...
Are nested span tags OK in XHTML?
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Yes it will. You can help yourself by using the w3's validator direct input option:
<!DOCT...
Mockito verify order / sequence of method calls
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InOrder helps you to do that.
ServiceClassA firstMock = mock(ServiceClassA.class);
ServiceClas...
sqlalchemy unique across multiple columns
...ns. Locations "belong" to customers. Locations are identified by a unicode 10 character code. The "location code" should be unique among the locations for a specific customer.
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Remove rows with all or some NAs (missing values) in data.frame
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