大约有 1,824 项符合查询结果(耗时:0.0127秒) [XML]

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How do I remove a key from a JavaScript object? [duplicate]

...http://underscorejs.org/#omit var thisIsObject= { 'Cow' : 'Moo', 'Cat' : 'Meow', 'Dog' : 'Bark' }; _.omit(thisIsObject,'Cow'); //It will return a new object => {'Cat' : 'Meow', 'Dog' : 'Bark'} //result If you want to modify the current object, assign the returning object to the c...
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Disable password authentication for SSH [closed]

... # Change to no to disable tunnelled clear text passwords #PasswordAuthentication no Uncomment the second line, and, if needed, change yes to no. Then run service ssh restart share | improve th...
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C++11 tuple 这一篇就够了 - C/C++ - 清泛网 - 专注C/C++及内核技术

...,从而不用关联tuple中的第二个元素. 最后介绍一个tuple_cat()函数,通过该函数可以将多个tuple连接起来形成一个tuple(注:在VC11中只能连接两个tuple并不是真正的多个tuple)。 #include <iostream> #include <utility> #include <string> #inclu...
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一次「Too many open files」故障 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...最大文件数到底是多少呢?可以通过 proc 确认: shell> cat /proc/<PID>/limits 结果是「4096」,我们还可以进一步看看 ElasticSearch 打开的都是什么东西: shell> ls /proc/<PID>/fd 问题看上去非常简单,只要加大相应的配置项应该就可以...
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Subversion钩子 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...的工具php-svn-hook,不过我们这里选择自己实现: shell> cat /path/to/repository/hooks/pre-commit #!/bin/bash REPOS="$1" TXN="$2" SVNLOOK="/usr/bin/svnlook" PHP="/usr/bin/php" LOG=$($SVNLOOK log -t "$TXN" "$REPOS") if [ "$LOG" = "" ]; then echo "Please input lo...
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[解决]CTRL: PTY read or GRE write failed - 更多技术 - 清泛网 - 专注C/C++及内核技术

...ptp vpn服务器连接失败出现以下日志内容:(查看系统日志[cat var log messages |grep pptpd]后发现)GRE: read(fd=6,buffer=80504c0...pptp vpn服务器连接失败出现以下日志内容: (查看系统日志[ cat /var/log/messages |grep pptpd ]后发现) GRE: read(fd=6,...
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Linux iptables防火墙开放mysql、apache的端口 - 操作系统(内核) - 清泛网 ...

...改配置,添加两条tcp端口允许的记录:[root@iZ23rlmiwviZ ~] cat etc sysconfig iptables sample configuration for iptables service vi /etc/sysconfig/iptables 修改配置,添加两条tcp端口允许的记录: [root@iZ23rlmiwviZ ~]# cat /etc/sysconfig/iptables # sample configu...
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OpenSuSE 安装bpftrace - 操作系统(内核) - 清泛网 - 专注IT技能提升

...PFTRACE_MAP_KEYS_MAX [default: 4096] max keys in a map BPFTRACE_CAT_BYTES_MAX [default: 10k] maximum bytes read by cat builtin BPFTRACE_MAX_PROBES [default: 512] max number of probes BPFTRACE_LOG_SIZE [default: 409600] log size in bytes BPFTRACE_NO_US...
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OpenSuSE 安装bpftrace - 操作系统(内核) - 清泛网 - 专注IT技能提升

...PFTRACE_MAP_KEYS_MAX [default: 4096] max keys in a map BPFTRACE_CAT_BYTES_MAX [default: 10k] maximum bytes read by cat builtin BPFTRACE_MAX_PROBES [default: 512] max number of probes BPFTRACE_LOG_SIZE [default: 409600] log size in bytes BPFTRACE_NO_US...
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OpenSuSE 安装bpftrace - 操作系统(内核) - 清泛网移动版 - 专注IT技能提升

...PFTRACE_MAP_KEYS_MAX [default: 4096] max keys in a map BPFTRACE_CAT_BYTES_MAX [default: 10k] maximum bytes read by cat builtin BPFTRACE_MAX_PROBES [default: 512] max number of probes BPFTRACE_LOG_SIZE [default: 409600] log size in bytes BPFTRACE_NO_US...