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How many GCC optimization levels are there?
... -Og to bring the total to 8
From the man page:
-O (Same as -O1)
-O0 (do no optimization, the default if no optimization level is specified)
-O1 (optimize minimally)
-O2 (optimize more)
-O3 (optimize even more)
-Ofast (optimize very aggressively to the point of breaking standard ...
Python __str__ versus __unicode__
...ethod:
def __str__(self):
return unicode(self).encode('utf-8')
In 3.0, str contains characters, so the same methods are named __bytes__() and __str__(). These behave as expected.
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impr...
Javascript - sort array based on another array
...true;
})
})
result.forEach(function(item) {
document.writeln(item[0]) /// Bob Jason Henry Thomas Andrew
})
Here's a shorter code, but it destroys the sorting array:
result = items.map(function(item) {
var n = sorting.indexOf(item[1]);
sorting[n] = '';
return [n, item]
}).sort...
A migration to add unique constraint to a combination of columns
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answered Jul 30 '10 at 9:45
Robert SpeicherRobert Speicher
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SyntaxError: Non-ASCII character '\xa3' in file when function returns '£'
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309
Adding the following two line sat the top of my .py script worked for me (first line was necess...
How do I send a JSON string in a POST request in Go
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OneOfOneOneOfOne
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1
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How can I use map and receive an index as well in Scala?
...")
scala> ls.zipWithIndex.foreach{ case (e, i) => println(i+" "+e) }
0 Mary
1 had
2 a
3 little
4 lamb
From: http://www.artima.com/forums/flat.jsp?forum=283&thread=243570
You also have variations like:
for((e,i) <- List("Mary", "had", "a", "little", "lamb").zipWithIndex) println(i+"...
How to sort an IEnumerable
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edited Sep 2 '10 at 20:11
answered Sep 2 '10 at 19:52
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What is PostgreSQL explain telling me exactly?
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50
Explaining_EXPLAIN.pdf could help too.
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What is the difference between `new Object()` and object literal notation?
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edited Feb 3 '16 at 11:10
T.J. Crowder
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