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TLSF源码及算法介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...是一种用于实时操作系统的内存分配算法，时间复杂度 O(1)，在内存碎片问题上表现良好，可以将它看做是一个动态管理内存的内存池，提供分配及回收内存的方法，并能够进行内存碎片化整理。它的特点在于：
可以预期的分...
Fast stable sorting algorithm implementation in javascript
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16 Answers
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Accessing nested JavaScript objects and arays by string path
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CSS 3 slide-in from left transition
...n hover)
Demo One
Relevant Code
.wrapper:hover #slide {
transition: 1s;
left: 0;
}
In this case, Im just transitioning the position from left: -100px; to 0; with a 1s. duration. It's also possible to move the element using transform: translate();
CSS animation
Demo Two
#slide {
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Add single element to array in numpy
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append() creates a new array which can be the old array with the appended element.
I think it...
PHP Foreach Pass by Reference: Last Element Duplicating? (Bug?)
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170
After the first foreach loop, $item is still a reference to some value which is also being use...
Gem::LoadError for mysql2 gem, but it's already in Gemfile
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14 Answers
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How to test multiple variables against a value?
...bout the same comparison for all names here. You are looking for:
if x == 1 or y == 1 or z == 1:
x and y are otherwise evaluated on their own (False if 0, True otherwise).
You can shorten that using a containment test against a tuple:
if 1 in (x, y, z):
or better still:
if 1 in {x, y, z}:
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Manifest merger failed : uses-sdk:minSdkVersion 14
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Note: This has been updated to reflect the release of API 21, Lollipop. Be sure to download the...
Returning value from called function in a shell script
...also true for some other shells.
Here's how to do each of those options:
1. Echo strings
lockdir="somedir"
testlock(){
retval=""
if mkdir "$lockdir"
then # Directory did not exist, but it was created successfully
echo >&2 "successfully acquired lock: $lockdir"
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