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Sharing a result queue among several processes
...e multiprocessing module shows how to pass a queue to a process started with multiprocessing.Process . But how can I share a queue with asynchronous worker processes started with apply_async ? I don't need dynamic joining or anything else, just a way for the workers to (repeatedly) report their ...
App Inventor 2 上传文件到服务器的方案全总结 - App Inventor 2 中文网 - ...
...T = microtime(TRUE);
echo "\nReceiving: $fileName \n";
$dataToWrite = file_get_contents('php://input');
$fileStatus = file_put_contents($picDir.$fileName, $dataToWrite);
$dur = microtime(TRUE) - $startT;
echo "\nBytes written: $fileStatus \nDuration: $dur";
?>复制代码...
Regex to Match Symbols: !$%^&*()_+|~-=`{}[]:";'?,./
...aracter class. The hyphen is a special character in character classes, so it needs to be first:
/[-!$%^&*()_+|~=`{}\[\]:";'<>?,.\/]/
You also need to escape the other regular expression metacharacters.
Edit:
The hyphen is special because it can be used to represent a range of characte...
What is the purpose of class methods?
...n that operates on MyClass (factory, dependency injection stub, etc), make it a classmethod. Then it'll be available to subclasses.
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UnicodeDecodeError: 'ascii' codec can't decode byte 0xef in position 1
...
This is to do with the encoding of your terminal not being set to UTF-8. Here is my terminal
$ echo $LANG
en_GB.UTF-8
$ python
Python 2.7.3 (default, Apr 20 2012, 22:39:59)
[GCC 4.6.3] on linux2
Type "help", "copyright", "credits" or "li...
Count the number occurrences of a character in a string
...re interpreted as in slice notation.
>>> sentence = 'Mary had a little lamb'
>>> sentence.count('a')
4
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How to assign colors to categorical variables in ggplot2 that have stable mapping?
I've been getting up to speed with R in the last month.
5 Answers
5
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Is 'switch' faster than 'if'?
Is a switch statement actually faster than an if statement?
12 Answers
12
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How can you integrate a custom file browser/uploader with CKEditor?
...lear - what's the correct way to integrate a custom file browser/uploader with CKEditor? (v3 - not FCKEditor)
8 Answers
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Does C++ support 'finally' blocks? (And what's this 'RAII' I keep hearing about?)
...ly' blocks. The reason is that C++ instead supports RAII: "Resource Acquisition Is Initialization" -- a poor name† for a really useful concept.
The idea is that an object's destructor is responsible for freeing resources. When the object has automatic storage duration, the object's destructor...