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技术人员如何创业《一》—— 产品及想法 - 资讯 - 清泛网 - 专注C/C++及内核技术
...后大家分别去实现，自己也不管了，忙着开发自己的功能模块。以我们的经验，最后肯定是个四不像的产品。那意思就是不开发产品了吗？看看电影《社交网络》就知道，扎克伯克其实不仅仅是技术很牛，网站搞瘫了整个哈佛的...
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
...rver 发出请求，那么此时 server 就会需要创建大量的 socket 连接。但在一个系统当中，往往需要限制单个 server 程序所能使用的最大 socket 数，以供其他的 server 程序所使用。那么我们如何来做到这一点呢？答案是我们可以通过 ulimi...
How to send password securely over HTTP?
... Doesn't stop man in the middle or impersonation attacks. E.g. through wifi. Seems like this will just give a false sense of security, IMO.
– Tom Hawtin - tackline
Oct 17 '09 at 18:55
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How to install trusted CA certificate on Android device?
...ndroid 2.1 and 2.2 allow you to import certificates, but only for use with WiFi and VPN. There is no user interface for updating the list of trusted root certificates, but there is discussion about adding that feature. It’s unclear whether there is a reliable workaround for manually updating and r...
MySQL主从服务器数据一致性的核对与修复 - 数据库(内核) - 清泛网 - 专注C/...
...-MCPAN -e 'install Term::ReadKey'
顺便说一下，我在安装某些Perl模块的时候，出现类似下面的错误提示：
Can’t locate object method “install” via package “…”
如果你也遇到了类似的问题，可以进入到Perl命令行安装：
shell> perl -M...
Going from a framework to no-framework [closed]
...nd HTML5 features:
HTTP Strict Transport Security (Helps protect against WiFi exploits.)
X-Frame-Options (Restrict embedding of your pages. Good against phishing.)
HTML5 IFrame Sandbox Attribute (Sandbox 3rd-party ads/badges/videos. Already in WebKit. Likely to be at least partially implemented in...
开源跳板机(堡垒机)Jumpserver v2.0.0 使用说明 - 开源 & Github - 清泛网 ...
...理是用来授权主机或者sudo，查看用户权限申请并处理的模块
3.1 授权主机组给用户组
授权管理 -- 小组授权 -- 选择用户组 -- 授权编辑
将刚才建立的主机组授权给该用户组
查看授权详情
3.2 测试授权
web登录建立的那...
What is “above-the-fold content” in Google Pagespeed?
...ile data networks have different performance characteristics than wired or wifi so you need to do different things to optimize for them.
Above-the-fold (ATF) is simply the first screen's worth--anything you don't need to scroll to see. Obviously, this varies depending on the device and its orientat...
Apache .htaccess 禁止访问某目录方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...--------------------------------------------------
一、开启Mod_rewrite模块
打开Apache2\conf\httpd.conf
搜索 LoadModule rewrite_module modules/mod_rewrite.so (Apache2是这个)
去掉前面的#
搜索AllowOverride None 替换为 AllowOverride All
有好几个找到和下面代码...
Can you autoplay HTML5 videos on the iPad?
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What they should do is allow autoplay when on wifi, and either have manual play or prompt the user that the video wants to autoplay when on a mobile network.
– Ric
Feb 18 '14 at 10:49
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