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unsigned int vs. size_t
... other bits in the unsigned integer. When we gain one more bit, we are multiplying the range of numbers we can represents by a factor of about two.
So, you ask, why not just use an unsigned int? It may not be able to hold big enough numbers. In an implementation where unsigned int is 32 bits, the ...
浅谈Heatmap：网页热点图生成原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...是因为有的情况下需要修正点击坐标。比如说，一个居中显示的定宽的页面，其同一个位置在不同分辨率下的坐标是不同的，当渲染图片的时候，坐标需要以一个分辨率为准进行修正。
另外，如果用户正在拖动滚动条，是不应...
Pushing an existing Git repository to SVN
... of Bombe's answer + some fiddling around, I got it working. Here's the recipe:
Import Git -> Subversion
1. cd /path/to/git/localrepo
2. svn mkdir --parents protocol:///path/to/repo/PROJECT/trunk -m "Importing git repo"
3. git svn init protocol:///path/to/repo/PROJECT -s
4. git svn fetch
5. git...
Is there a way to automate the android sdk installation?
...tyle path
of a package to install or uninstall.
Multiple --package_file arguments may be specified in combination
with explicit paths.
In its second form (with --update), all installed packages are
updated to the latest version.
In its third form, all installed and a...
What is the best way to detect a mobile device?
... similar to the CSS @media attribute? I would like to run a different script if the browser is on a handheld device.
59 A...
如何编写一个独立的 PHP 扩展（译） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...境下才能使用的工具。
改装一个已经存在的扩展
为了显示出创建一个独立的扩展是很容易的事情，我们先将一个已经内嵌到 PHP 的扩展改成独立扩展。安装 PHP 并且执行以下命令：
$ mkdir /tmp/newext
$ cd /tmp/newext
现在你已...
How to deny access to a file in .htaccess
...;
Require all denied
</Files>
In an htaccess file in your inscription directory. Or you can use mod_rewrite to sort of handle both cases deny access to htaccess file as well as log.txt:
RewriteRule /?\.htaccess$ - [F,L]
RewriteRule ^/?inscription/log\.txt$ - [F,L]
...
京东天天果园与“褚橙”从合作演变成打假 - 资讯 - 清泛网 - 专注C/C++及内核技术
...和本来生活网。其中，本来生活网上“晒”出来的授权书显示，经“新平金泰果品有限公司玉溪分公司”授权，自2015年9月16日至2016年3月1日止，本来生活网为此季“褚橙”的官方在线经销商。
针对这起所谓的“打假风波”，有...
创业者如何发现开放却未知的秘密 - 资讯 - 清泛网 - 专注C/C++及内核技术
...番禺路虹桥路口”为地理位置查询经济型酒店，搜索结果显示包括如家、汉庭在内的有70家酒店，价格低见79元起，低于200元的选择空间非常之多；而在airbnb官网上以番禺路虹桥路为关键词的房源只有39间，200元/间夜以下的房间...
What is AF_INET, and why do I need it?
...ple, supports 29 other address families such as UNIX (AF_UNIX) sockets and IPX (AF_IPX), and also communications with IRDA and Bluetooth (AF_IRDA and AF_BLUETOOTH, but it is doubtful you'll use these at such a low level).
For the most part, sticking with AF_INET for socket programming over a networ...