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Argparse: Required arguments listed under “optional arguments”?
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327
Parameters starting with - or -- are usually considered optional. All other parameters are pos...
Why do I want to avoid non-default constructors in fragments?
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3
how to pass an object ? I want to pass a Context Object or any other object.
– Adil Malik
Feb 13 '13 ...
Using varchar(MAX) vs TEXT on SQL Server
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318
The VARCHAR(MAX) type is a replacement for TEXT. The basic difference is that a TEXT type will...
How to ignore a property in class if null, using json.net
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edited Jan 30 '16 at 20:51
answered Jun 28 '11 at 14:20
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Modify/view static variables while debugging in Eclipse
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Nathan
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answered Apr 29 '09 at 7:14
Markus LausbergMarkus Lausberg
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Most Pythonic way to provide global configuration variables in config.py? [closed]
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edited Jul 12 '16 at 20:35
Ali Nikneshan
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answered Jun 1 '11 ...
How do I compute derivative using Numpy?
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143
You have four options
Finite Differences
Automatic Derivatives
Symbolic Differentiation
Compu...
How can I generate an ObjectId with mongoose?
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answered Jul 27 '13 at 16:02
Dmitry MinkovskyDmitry Minkovsky
27.1k2020 gold badges9090 silver badges127127 bronze badges
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What are the uses of the exec command in shell scripts? [closed]
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283
The exec built-in command mirrors functions in the kernel, there are a family of them based on e...
SQL Query Where Field DOES NOT Contain $x
...LECT b FROM y);
-- predefined list
SELECT a FROM x WHERE x.b NOT IN (1, 2, 3, 6);
If you are searching a string, go for the LIKE operator (but this will be slow):
-- Finds all rows where a does not contain "text"
SELECT * FROM x WHERE x.a NOT LIKE '%text%';
If you restrict it so that the string...
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