View SCSS.md

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Advanced SCSS

Or, 16 cool things you may not have known your stylesheets could do. I'd rather have kept it to a nice round number like 10, but they just kept coming. Sorry.

I've been using SCSS/SASS for most of my styling work since 2009, and I'm a huge fan of Compass (by the great @chriseppstein). It really helped many of us through the darkest cross-browser crap. Even though browsers are increasingly playing nice with CSS, another problem has become very topical: managing the complexity in stylesheets as our in-browser apps get larger and larger. SCSS is an indispensable tool for dealing with this.

This isn't an introduction to the language by a long shot; many things probably won't make sense unless you have some SCSS under your belt already. That said, if you're not yet comfy with the basics, check out the aweso

View file0.txt
$ wget http://people.centos.org/tru/devtools-2/devtools-2.repo -O /etc/yum.repos.d/devtools-2.repo
$ yum install devtoolset-2-gcc devtoolset-2-binutils
$ yum install devtoolset-2-gcc-c++ devtoolset-2-gcc-gfortran
View QuickSort
/**
* 快速排序--降序
* 思路:每次选定一基准元素,将数组划分成大于和小于基准元素的两部分,再分别对子序列进行排序,直到子序列长度为1
* 效率:O(nlog n)
*/
function quick_sort(arr, start, end) {
if (!arr instanceof Array) {
console.log('invalid array');
return;
}
View MergeSort
/**
* 合并排序--升序
* 算法效率: O(arrA.length + arrB.length)
* 条件为:arrA和arrB均是升序排列数组
* @Returns 合并后数组
*/
function merge_asc(arrA, arrB) {
if (!arrA instanceof Array || !arrB instanceof Array) {
console.log('invalid array');