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Passing an integer by reference in Python
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106
It doesn't quite work that way in Python. Python passes references to objects. Inside your func...
Quick easy way to migrate SQLite3 to MySQL? [closed]
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Here is a list of converters (not updated since 2011):
https://www2.sqlite.org/cvstrac/wiki?p=ConverterTools (or snapshot at archive.org)
An alternative method that would work nicely but is rarely mentioned is: use an ORM class that abstracts specific database differen...
warning about too many open figures
...ix, ax = plt.subplots(...) , I get the warning RuntimeWarning: More than 20 figures have been opened. Figures created through the pyplot interface (matplotlib.pyplot.figure) are retained until explicitly closed and may consume too much memory.
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.rar, .zip files MIME Type
.../ get the first 7 bytes
$bytes = file_get_contents($file, FALSE, NULL, 0, 7);
$ext = strtolower(substr($file, - 4));
// RAR magic number: Rar!\x1A\x07\x00
// http://en.wikipedia.org/wiki/RAR
if ($ext == '.rar' and bin2hex($bytes) == '526172211a0700') {
return TRUE;
}...
How to copy a file to a remote server in Python using SCP or SSH?
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edited Dec 30 '19 at 2:12
Boris
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What are the undocumented features and limitations of the Windows FINDSTR command?
...eOffset: = The decimal byte offset of the start of the matching line, with 0 representing the 1st character of the 1st line. Only printed if /O option is specified. This is not the offset of the match within the line. It is the number of bytes from the beginning of the file to the beginning of the l...
npm - how to show the latest version of a package
...ule? I am expecting something like npm --latest express to print out v3.0.0 .
6 Answers
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Rebuild or regenerate 'ic_launcher.png' from images in Android Studio
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For Android Studio 0.4.0 and later, click "File > New > Image Asset".
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Explanation of JSONB introduced by PostgreSQL
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+50
First, hstore is a contrib module, which only allows you to store key => value pairs, where keys and values can only be texts (howe...
C: What is the difference between ++i and i++?
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edited Feb 28 at 10:40
johannchopin
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