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Difference between objectForKey and valueForKey?
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61
objectForKey: accepts any object as a key, not just strings. The only requirement is that the key support the NSCopying protocol.
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How to check if a table exists in a given schema
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answered Jun 6 '14 at 19:58
Erwin BrandstetterErwin Brandstetter
439k9696 gold badges809809 silver badges969969 bronze badges
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Performance of Arrays vs. Lists
...ey all did the same work):
(edited to fix bug)
List/for: 1971ms (589725196)
Array/for: 1864ms (589725196)
List/foreach: 3054ms (589725196)
Array/foreach: 1860ms (589725196)
based on the test rig:
using System;
using System.Collections.Generic;
using System.Diagnostics;
static class Program
{
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What is the difference between mocking and spying when using Mockito?
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answered Feb 24 '13 at 16:09
JB NizetJB Nizet
613k7878 gold badges10641064 silver badges11381138 bronze badges
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Functional programming - is immutability expensive? [closed]
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106
Since there are a few misconceptions flying around here, I’d like to clarify some points.
Th...
What is the point of function pointers?
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edited Jun 3 '12 at 6:08
answered Apr 7 '10 at 12:10
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Running multiple commands with xargs
...list.
– Noah Sussman
Sep 19 '12 at 16:33
6
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Could not find method compile() for arguments Gradle
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answered May 22 '14 at 6:02
RadimRadim
4,44111 gold badge1717 silver badges2222 bronze badges
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Making an array of integers in iOS
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160
You can use a plain old C array:
NSInteger myIntegers[40];
for (NSInteger i = 0; i < 40; i...
What are the differences between Perl, Python, AWK and sed? [closed]
... has less accreted syntax and is generally somewhat simpler to learn. Perl 6, when it becomes available, will be a fascinating development.
(Note that the 'overviews' of Perl and Python, in particular, are woefully incomplete; whole books could be written on the topic.)
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