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Shared-memory objects in multiprocessing
... some other parameters). func with different parameters can be run in parallel. For example:
4 Answers
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jQuery - replace all instances of a character in a string [duplicate]
...round the string, as replace is not a jQuery method, so that won't work at all.)
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How can I get the concatenation of two lists in Python without modifying either one? [duplicate]
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Actually you can do this by using the a non hidden function: import operator, operator.add(list1, list2)
– e-satis
Apr 13 '11 at 12:28
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Will using 'var' affect performance?
...ay have chosen an Interface or parent type if you were to set the type manually.
Update 8 Years Later
I need to update this as my understanding has changed. I now believe it may be possible for var to affect performance in the situation where a method returns an interface, but you would have used a...
When is assembly faster than C?
...hat although that's not entirely false, the cases where assembler can actually be used to generate more performant code are both extremely rare and require expert knowledge of and experience with assembly.
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How to get the request parameters in Symfony 2?
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The naming is not all that intuitive:
use Symfony\Component\HttpFoundation\Request;
public function updateAction(Request $request)
{
// $_GET parameters
$request->query->get('name');
// $_POST parameters
$request->r...
What is the difference between C, C99, ANSI C and GNU C?
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The original concept was that given code like int i; int test(double *p) { i=1; *p=2.0; return i; } a compiler shouldn't be required to reload i after the write to *p on the off chance that p might hold the address of i. Perfectly reasonable. The problem is that modern compilers ...
What are the downsides to using Dependency Injection? [closed]
...or the past 6 months. While overall I think it is great (especially from a testing perspective), there are certain downsides. Most notably:
Code can become harder to understand. Dependency injection can be used in very... creat
Python Dictionary Comprehension
...>> print d
{0: 0, 1: 1, 2: 4, 3: 9, 4: 16}
If you want to set them all to True:
>>> d = {n: True for n in range(5)}
>>> print d
{0: True, 1: True, 2: True, 3: True, 4: True}
What you seem to be asking for is a way to set multiple keys at once on an existing dictionary. ...
add column to mysql table if it does not exist
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OK this is really crude but someone's got to say it. if you are simply running a SQL script from the command line, you can give mysql the --force switch, which means keep going even if there's an error. then, just go for it. you just want...