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Algorithm to find Largest prime factor of a number
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134
Actually there are several more efficient ways to find factors of big numbers (for smaller one...
Get the first N elements of an array?
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edited Oct 13 '14 at 16:22
mandza
31877 silver badges2323 bronze badges
answered Sep 15 '...
break out of if and foreach
...defines how many loop structures it should break. Example:
foreach (array('1','2','3') as $a) {
echo "$a ";
foreach (array('3','2','1') as $b) {
echo "$b ";
if ($a == $b) {
break 2; // this will break both foreach loops
}
}
echo ". "; // never r...
How do I ZIP a file in C#, using no 3rd-party APIs?
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edited Mar 24 '11 at 13:03
adrianbanks
74.8k1919 gold badges162162 silver badges195195 bronze badges
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Test if string is a number in Ruby on Rails
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12 Answers
12
Active
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Fade Effect on Link Hover?
...lor:blue; background:white;
-o-transition:color .2s ease-out, background 1s ease-in;
-ms-transition:color .2s ease-out, background 1s ease-in;
-moz-transition:color .2s ease-out, background 1s ease-in;
-webkit-transition:color .2s ease-out, background 1s ease-in;
/* ...and now override wit...
C语言结构体里的成员数组和指针 - c++1y / stl - 清泛IT社区，为创新赋能！
...bsp; return 0;
}
你编译一下上面的代码，在VC++和GCC下都会在14行的printf处crash掉你的程序。@Laruence 说这个是个经典的坑，我觉得这怎么会是经典的坑呢？上面这代码，你一定会问，为什么if语句判断的不是f.a？而是f.a里面的数组？...
Regex exactly n OR m times
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91
There is no single quantifier that means "exactly m or n times". The way you are doing it is fin...
How are cookies passed in the HTTP protocol?
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edited Jul 1 '16 at 18:26
Nathan
5,59066 gold badges3939 silver badges6262 bronze badges
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What does tilde-greater-than (~>) mean in Ruby gem dependencies? [duplicate]
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edited Mar 15 '17 at 8:17
Draco Ater
19.3k88 gold badges5959 silver badges8484 bronze badges
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