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为什么你得学些 TCP 的知识？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...中的关键段落：
延迟确认（ACK） 与 TCP_NODELAY
Ruby 的 Net::HTTP 会将 POST 请求切分为两个 TCP 包，一个消息头，一个消息体。相反，curl 会将这两者合并为一个包。更糟糕的是，Net::HTTP 在打开 TCP 套接字时不会设置 TCP_NODELAY，这...
Windows下MySql安装配置 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...n目录，mysqld.exe --install (指定安装的MySql服务名)。（卸载 net stop servicename;...1.下载服务器端，解压
2.安装Mysql服务：
进入bin目录，mysqld.exe --install (指定安装的MySql服务名)。
（卸载 net stop servicename;
mysqld.exe --remove ser...
为什么你得学些 TCP 的知识？ - 环境配置 - 清泛IT社区，为创新赋能！
...文章中的关键段落：延迟确认（ACK） 与 TCP_NODELAYRuby 的 Net::HTTP 会将 POST 请求切分为两个 TCP 包，一个消息头，一个消息体。相反，curl 会将这两者合并为一个包。更糟糕的是，Net::HTTP 在打开 TCP 套接字时不会设置 TCP_NODELAY，这将...
Linux 网卡速率（百兆/千兆）的查看及调整 - 操作系统(内核) - 清泛网 - 专...
Linux 网卡速率（百兆/千兆）的查看及调整linux_ethnet_speed最近遇到一个奇怪的问题，程序运行过程中网卡打满，导致服务通信全部超时，程序需要在局域网中的通信流量较大，机器是千兆网卡。但通过监控查看实际网速只到了100Mb...
/proc 内核统计信息各文件的含义 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...at timerslack_ns
auxv cpuset gid_map map_files/ net/ pagemap schedstat statm uid_map
cgroup cwd@ io maps ns/ patch_state sessionid status wchan
clear_refs environ latency mem numa_maps...
What is the meaning of “non temporal” memory accesses in x86
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Best practice for localization and globalization of strings and labels [closed]
... the data we need
Solution: We can use some tools that already exist like
https://github.com/rgrove/lazyload
Issue: We need a key/value pair structure to save our data
Solution: I suggest a javascript object instead of string/string air.
We can benefit from the intellisense from an IDE
Issue: Gene...
Compare two objects and find the differences [duplicate]
...e code here doesn't work. Here's a fiddle that shows a couple of fixes: dotnetfiddle.net/FhzcrS
– Don Rolling
Aug 23 '17 at 18:51
|
show 2 m...
What are the most useful Intellij IDEA keyboard shortcuts? [closed]
...ortcuts similar to Jeff's post on Visual Studio shortcuts ( Visual Studio .NET 2003 and 2005 Keyboard Shortcuts ), but didn't really spot anything that helped. Hopefully the answers to this question will fill the void.
...
How to check if a specified key exists in a given S3 bucket using Java
...ems there's a new API to check just that. See another answer in this page: https://stackoverflow.com/a/36653034/435605
Original post:
Use errorCode.equals("NoSuchKey")
try {
AmazonS3 s3 = new AmazonS3Client(new ClasspathPropertiesFileCredentialsProvider());
String bucketName = getBucketNa...