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Why is “if not someobj:” better than “if someobj == None:” in Python?
...r not ? This is done using the following algorithm :
If the object has a __nonzero__ special method (as do numeric built-ins, int and float), it calls this method. It must either return a bool value which is then directly used, or an int value that is considered False if equal to zero.
Otherwise, ...
Set the value of a variable with the result of a command in a Windows batch file
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63
To do what Jesse describes, from a Windows batch file you will need to write:
for /f "delims="...
How to use pull to refresh in Swift?
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615
Pull to refresh is built in iOS. You could do this in swift like
var refreshControl = UIRef...
How to dynamically compose an OR query filter in Django?
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162
You could chain your queries as follows:
values = [1,2,3]
# Turn list of values into list of ...
Underscore vs Double underscore with variables and methods [duplicate]
Somebody was nice enough to explain to me that __method() mangles but instead of bothering him further since there are a lot of other people who need help I was wondering if somebody could elaborate the differences further.
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How to run a program without an operating system?
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156
How do you run a program all by itself without an operating system running?
You place your ...
Resolve Type from Class Name in a Different Assembly
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6 Answers
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nginx server_name wildcard or catch-all
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edited Sep 20 at 16:11
Rob Bednark
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ans...
How to write to Console.Out during execution of an MSTest test
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Risadinha
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answered Feb 3 '11 at 9:12
Andras ZoltanAndras Zoltan
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Email Address Validation in Android on EditText [duplicate]
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675
Java:
public static boolean isValidEmail(CharSequence target) {
return (!TextUtils.isEmp...