大约有 4,000 项符合查询结果(耗时:0.0283秒) [XML]

https://stackoverflow.com/ques... 

Interpolating a string into a regex

...uote or Regexp.escape if I just used single quotes on my input string: (an IP address match) IP_REGEX = '\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}' my_str = "192.0.89.234 blahblah text 1.2, 1.4" # get the first ssh key # replace the ip, for demonstration my_str.gsub!(/#{IP_REGEX}/,"192.0.2.0") puts my_...
https://www.tsingfun.com/it/bigdata_ai/750.html 

分布式系统的事务处理 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...指示这些节点是否要把操作结果进行真正的提交(比如将更新后的数据写入磁盘等等)。 两阶段提交的算法如下: 第一阶段: 协调者会问所有的参与者结点,是否可以执行提交操作。 各个参与者开始事务执行的准备工作:如...
https://www.tsingfun.com/ilife... 

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

...纸放入这个机器,机器会在账簿纸的“本账单编号”一栏自动打印一串由“0”和“1”组成的编号,共256个。最神奇的是,编号生成器有如下功能: 生成的编号仅与账簿纸上填入的内容有关,与填写人、字体、填写时间等因素...
https://www.tsingfun.com/it/tech/2075.html 

思维导图软件 XMind 与 FreeMind 的对比 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...有更好的可持续性 FreeMind作为经典开源软件,虽在持续更新中,但新功能进展并不多。而同作为开源软件的XMind,不仅因为后发优势拥有了更多功能。并且,作为有商业公司支持的开源产品,新功能的开发会更加活跃——这并非...
https://stackoverflow.com/ques... 

Bash Templating: How to build configuration files from templates with Bash?

I'm writing a script to automate creating configuration files for Apache and PHP for my own webserver. I don't want to use any GUIs like CPanel or ISPConfig. ...
https://stackoverflow.com/ques... 

NGINX to reverse proxy websockets AND enable SSL (wss://)?

...NX config files so you can re-use them (that includes your init.d/nginx script) yum install pcre pcre-devel openssl openssl-devel and any other necessary libs for building NGINX Get the nginx_tcp_proxy_module from GitHub here https://github.com/yaoweibin/nginx_tcp_proxy_module and remember the folde...
https://stackoverflow.com/ques... 

Nginx 403 error: directory index of [folder] is forbidden

... rewrite ^/(.+)/$ /$1 permanent; } # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000 location ~ \.php$ { fastcgi_split_path_info ^(.+\.php)(/.+)$; # # NOTE: You should have "cgi.fix_pathinfo = 0;" in php.ini # # With php5-fpm: ...
https://www.tsingfun.com/it/te... 

Windows远程桌面授权错误(授权超时)等报错信息疑难解答 - 更多技术 - 清...

...器可以通讯。要完成上述操作,请在每台计算机上使用 IP 地址、FQDN 和 NetBIOS 名称分别针对其他两台计算机运行ping命令。如果任何ping命令失败,请验证网络上的 DNS 配置。 4. 在终端服务器上,设置一个要连接到的首选授权...
https://stackoverflow.com/ques... 

Where can I get a list of Ansible pre-defined variables?

...les that we can use in playbooks and template files. For example, the host ip address is ansible_eth0.ipv4.address. Googleing and searching the docs I cound't find a list of all available variables. Would someone list them for me? ...
https://www.tsingfun.com/it/bigdata_ai/635.html 

从网购到火车票,对比淘宝12306网为何如此烂? - 大数据 & AI - 清泛网 - ...

...难度大得多,属于世界级难题。 3) 火车票的信息是实时更新的。网民的每次操作都必须到后台查询,实时生成新的火车票的状态信息。淘宝商品库存信息在促销期间不准确,这是服务端为了关键性能做妥协;但订火车票,库存信...