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OpenSSH升级后不能登录的问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术

OpenSSH升级后不能登录的问题升级OPENSSH 遇到头疼的问题Openssh 爆出很多安全漏洞,客户那边搞安全检查,扫描结果出来了,漏洞基本都是在openssh上面于是打算升级升...升级OPENSSH 遇到头疼的问题 Openssh 爆出很多安全漏洞,客...
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Getting command-line password input in Python

... Portable password input #!/usr/bin/python3 from getpass import getpass passwd = getpass("password: ") print(passwd) You can read more here share | improve this answer | f...
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Android代码优化小技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...尽量避免创建不必要的对象,有下面一些例子来说明这个问题: 如果你需要返回一个String对象,并且你知道它最终会需要连接到一个StringBuffer,请修改你的实现方式,避免直接进行连接操作,应该采用创建一个临时对象来做...
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MySQL high CPU usage [closed]

...ication is running, if there's duplicate queries, how long they're taking, etc, etc. An example of something like this is one I've been working on called PHP Profiler but there are many out there. If you're using a piece of software like Drupal, Joomla or Wordpress you'll want to ask around within t...
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How can I connect to MySQL in Python 3 on Windows?

...ysql.connect(host='127.0.0.1', unix_socket='/tmp/mysql.sock', user='root', passwd=None, db='mysql') cur = conn.cursor() cur.execute("SELECT Host,User FROM user") for r in cur: print(r) cur.close() conn.close() share ...
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Approximate cost to access various caches and main memory?

...es for example). Additionally, this page has some details on clock cycles etc. The second link served the following numbers: Core i7 Xeon 5500 Series Data Source Latency (approximate) [Pg. 22] local L1 CACHE hit, ~4 cycles ( 2.1 - 1.2 ns ) local L...
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What happens when a computer program runs?

...-+ | stack | function-local variables, return addresses, return values, etc. | | often grows downward, commonly accessed via "push" and "pop" (but can be | | accessed randomly, as well; disassemble a program to see) +---------+ | shared | mapped shared libraries (C libraries, ...
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常用Linux命令详解(持续更新) - 更多技术 - 清泛网 - 专注C/C++及内核技术

...到的一些Linux命令进行一下详解。logout,shutdown,reboot,useradd,passwd,ls,ll,cd,mkdir,vi,cp,rm,mv,chmod,chown,find,grep,tail,tar,gzip,fdisk,kill,netstat等。一、注销,关机,重启,新建用户、删除用户 1. 注销系统的命令 logout 、exit 这两个命令都可以用...
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https connection using CURL from command line

...t file3.pem -text cat *.pem > certRepo curl --cacert certRepo -u user:passwd -X GET -H 'Content-Type: application/json' "https//somesecureserver.com/rest/field" I wrote a blog on how to do this here: http://javamemento.blogspot.no/2015/10/using-curl-with-ssl-cert-chain.html ...
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OceanBase使用libeasy原理源码分析:客户端 - 数据库(内核) - 清泛网 - 专...

..._list_t session_list_node; //为了快速根据packet id定位到发送队列中的session,将session加入到发送队列中时,同时,将其加入到一个hash表中,hash表采用链表的方式将同一个bucket的元素连接起来, //链表元素就是easy_ha...