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Is it possible to implement a Python for range loop without an iterator variable?
...ou can just live with the extra i variable.
Here is the option to use the _ variable, which in reality, is just another variable.
for _ in range(n):
do_something()
Note that _ is assigned the last result that returned in an interactive python session:
>>> 1+2
3
>>> _
3
F...
App Inventor 2 上传文件到服务器的方案全总结 - App Inventor 2 中文网 - ...
...Program...";//phpinfo();
$picDir = "./test/";
$fileName = $_REQUEST['pic'];
$startT = microtime(TRUE);
echo "\nReceiving: $fileName \n";
$dataToWrite = file_get_contents('php://input');
$fileStatus = file_put_contents($picDir.$fileName, $dataToWrite);
$dur = microtime(TR...
React.js: Wrapping one component into another
...stien LorberSebastien Lorber
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Difference between $(this) and event.target?
...after rendering this html respectively are:
object MouseEvent
X = 982 Y = 329
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SQL SERVER: Get total days between two dates
I'm trying to get the total number of days between two days:
9 Answers
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(Built-in) way in JavaScript to check if a string is a valid number
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GavinGavin
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How do I concatenate strings in Swift?
...st version
– Joseph
Oct 2 '14 at 10:32
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Different font size of strings in the same TextView
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edited Dec 11 '18 at 11:32
Nilesh Rathod
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Does Python support short-circuiting?
...ent, but you could also state things very succinctly:
In [171]: name = raw_input('Enter Name: ') or '<Unkown>'
Enter Name:
In [172]: name
Out[172]: '<Unkown>'
In other words, if the return value from raw_input is true (not an empty string), it is assigned to name (nothing changes); ...
What does preceding a string literal with “r” mean? [duplicate]
I first saw it used in building regular expressions across multiple lines as a method argument to re.compile() , so I assumed that r stands for RegEx.
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