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Is bool a native C type?
... the standard: http://www.ibm.com/developerworks/linux/library/l-gcc-hacks/index.html
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Conveniently map between enum and int / String
... Using the values() array will only work if all your values are 0 indexed for their id and are declared in order. (I tested this to verify that if you declare FOO(0), BAR(2), BAZ(1); that values[1] == BAR and values[2] == BAZ despite the ids passed in .)
– corsiKa
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python list by value not by reference [duplicate]
...= list(a)
This will work for any sequence, even those that don't support indexers and slices...
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How to convert list of key-value tuples into dictionary?
...or slows your program down, it's perfectly fine to create dicts as helpful indexes into whatever abstract data structure you're implicitly building. The notion of "good practice" is entirely context-dependent; do you need O(1) lookup time for keys? Also you cannot "convert lists to dictionaries" arb...
Stop caching for PHP 5.5.3 in MAMP
...bin/php/php5.5.3/conf/php.ini does nothing, but adding opcache_reset(); to index.php worked.
– Даниил Пронин
Feb 4 '14 at 7:50
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quick random row selection in Postgres
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Check this link out for some different options.
http://www.depesz.com/index.php/2007/09/16/my-thoughts-on-getting-random-row/
Update: (A.Hatchkins)
The summary of the (very) long article is as follows.
The author lists four approaches:
1) ORDER BY random() LIMIT 1; -- slow
2) ORDER BY id...
Is there a Java equivalent or methodology for the typedef keyword in C++?
...ndreas_D: your link, fixed: ibm.com/developerworks/java/library/j-jtp02216/index.html
– Janus Troelsen
Jan 11 '13 at 22:53
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Fastest way to find second (third…) highest/lowest value in vector or column
...Error in sort.int(x, na.last = na.last, decreasing = decreasing, ...) : index 4705 outside bounds Any idea what might the issue be? Some details: My x is a numeric vector of length 4706 with some NAs in the data. I tried to get the second highest value in the vector using the exact same code as ...
How do I create a variable number of variables?
...onvenient than dicts with integer keys, because lists support iteration in index order, slicing, append, and other operations that would require awkward key management with a dict.
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How do I UPDATE from a SELECT in SQL Server?
...ect even rows that don't need to be affected, which could (possibly) cause index recalculation or fire triggers that really shouldn't have been fired.
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