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通过 ulimit 改善系统性能 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
通过 ulimit 改善系统性能本文介绍了 ulimit 内键指令的主要功能以及用于改善系统性能的 ulimit 使用方法。通过这篇文章，读者不仅可以了解 ulimit 所起的作用，并且可以学会如何更好地通过 ulimit 限制资源的使用来改善系统性能...
Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...用开发性能优化完全分析1 背景其实有点不想写这篇文章的，但是又想写，有些矛盾。不想写的原因是随便上网一搜一堆关于性能的建议，感觉大家你一总结、我一总结的...1 背景
其实有点不想写这篇文章的，但是又想写，有些...
How do I escape ampersands in XML so they are rendered as entities in HTML?
...
In my case I had to change it to %26.
I needed to escape & in a URL. So & did not work out for me.
The urlencode function changes & to %26. This way neither XML nor the browser URL mechanism complained about the URL.
...
Browse and display files in a git repo without cloning
...limited.
You can list all references on remote with "git ls-remote <URL>".
You can get snapshot of (part) of repository (if remote server enabled it) with
"git archive --remote=<URL> HEAD".
You can clone only a few last commits (so called "shallow clone") with
"git clone --depth=...
How to apply CSS to iframe?
...ing frames['name'] you get "Unsafe JavaScript attempt to access frame with URL blah from frame with URL blah. Domains, protocols and ports must match."
– Kevin
Nov 27 '11 at 17:37
...
重构理论及实践——用工厂模式重构c++后台代码 - C/C++ - 清泛网 - 专注C/C...
...没什么关联，我硬给拉到了一起），两个似乎都是比较玄的东西。很多时候，抱着gof（写书的四人组）那本经典...
1、背景
代码重构和设计模式（其实没什么关联，我硬给拉到了一起），两个似乎都是比较玄的东西。很多时...
一个故事告诉你比特币的原理及运作机制 - 创意 - 清泛网 - 专注C/C++及内核技术
一个故事告诉你比特币的原理及运作机制bitcoin-mechanism-make-easy周末花时间看了一些比特币原理相关的资料，虽然不敢说把每个细节都完全搞懂了，不过整体思路和关键部分的主要原理还是比较明白。写一篇文章...周末花时间看了...
What's the best way to retry an AJAX request on failure using jQuery?
...
Something like this:
$.ajax({
url : 'someurl',
type : 'POST',
data : ....,
tryCount : 0,
retryLimit : 3,
success : function(json) {
//do something
},
error : function(xhr, textStatus, errorThrown ) {
if (tex...
Force browser to download image files on click
.... Chrome deprecations and removals
announcement
function forceDownload(url, fileName){
var xhr = new XMLHttpRequest();
xhr.open("GET", url, true);
xhr.responseType = "blob";
xhr.onload = function(){
var urlCreator = window.URL || window.webkitURL;
var imageUrl = u...
How to pass multiple parameters in a querystring
...he text of the linked section of the Wikipedia entry.)
Structure
A typical URL containing a query string is as follows:
http://server/path/program?query_string
When a server receives a request for such a page, it runs a program (if configured to do so), passing the query_string unchanged to the prog...