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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
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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...
How do I get the first element from an IEnumerable in .net?
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edited May 23 '17 at 11:47
Community♦
111 silver badge
answered Jan 30 '09 at 21:13
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Difference between volatile and synchronized in Java
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396
It's important to understand that there are two aspects to thread safety.
execution control,...
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...
#if Not Debug in c#?
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edited Oct 16 '14 at 21:37
Rob Hruska
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ans...
How to make --no-ri --no-rdoc the default for gem install?
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1230
You just add the following line to your local ~/.gemrc file (it is in your home folder):
gem: ...
Sorting dropdown alphabetically in AngularJS
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342
Angular has an orderBy filter that can be used like this:
<select ng-model="selected" ng-o...
What's the difference between the WebConfigurationManager and the ConfigurationManager?
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iliketocode
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answered Mar 30 '09 at 17:50
XORXOR
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