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Redirect stdout to a file in Python?
...se shell redirection when executing (same on Windows and Linux):
$ python foo.py > file
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private final static attribute vs private final attribute
...use:
private static final int NUMBER = 10;
Why? This reduces the memory footprint per instance. It possibly is also favourable for cache hits. And it just makes sense: static should be used for things that are shared across all instances (a.k.a. objects) of a certain type (a.k.a. class).
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PHP Error handling: die() Vs trigger_error() Vs throw Exception
...while ($row = gather_data()) {
$db->query('INSERT INTO `table` (`foo`,`bar`) VALUES(?,?)', ...);
}
$db->query('COMMIT');
} catch(Exception $e) {
$db->query('ROLLBACK');
}
Here, if gather_data() just plain croaked (using E_USER_ERROR or die()) there's a chance, previous ...
An ASP.NET setting has been detected that does not apply in Integrated managed pipeline mode
...and, authorizing which users can access a .ASPX page such as a request for Foo.aspx is trivial even in IIS 6/Classic because IIS always hands those requests off to the ASP.NET pipeline. In Classic mode ASP.NET does not know what it hasn't been told and there is a lot that IIS 6/Classic may not be te...
Search for “does-not-contain” on a DataFrame in pandas
...df["col1"].str.contains('this'|'that')==False and df["col2"].str.contains('foo'|'bar')==True]? Thanks!
– tommy.carstensen
May 24 '17 at 10:54
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When should you use 'friend' in C++?
...en they are cumbersome (cpp-level concrete classes/masked typedefs) or not foolproof (comments or function name conventions).
Onto the answer;
The friend specifier allows the designated class access to protected data or functionality within the class making the friend statement. For example in th...
Case insensitive searching in Oracle
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@SaqibAli Arbitrary LIKE expressions (e.g. WHERE foo LIKE '%abc%') are already slow enough if they can't be indexed, I don't think it's specifically related to case sensitiveness.
– Álvaro González
Jul 30 '15 at 6:19
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Default value in Go's method
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What a pain. I wish it was: func Concat1(a string = 'foo', b int = 10) string { like in most other modern languages... It would reduce any of the given examples pretty much to one line of code.
– Rotareti
Jul 30 '17 at 7:50
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Hyphen, underscore, or camelCase as word delimiter in URIs?
... intranet app, you listed SEO as a benefit. Google does match the pattern /foobar/ in a URL for a query of ?q=foo+bar
I really hope you do not consider executing a PHP call to any arbitrary string the user passes in to the address bar, as @ServAce85 suggests!
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How to prevent gcc optimizing some statements in C?
...ed in the same file.
Usage example:
void __attribute__((optimize("O0"))) foo(unsigned char data) {
// unmodifiable compiler code
}
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