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Navigation bar appear over the views with new iOS7 SDK

...aque. Rather than doing this in code, simply untick "Translucent" for your root navigation bar: share | improve this answer | follow | ...
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Which is better in python, del or delattr?

... Premature optimization is the root of all evil. ;-) But yes, you are right, of course. – Lennart Regebro Jul 13 '09 at 18:24 26 ...
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Stop node.js program from command line

... can kill it manually like this: (NOTE: the following commands may require root, so sudo ... is your friend) pkill -9 node or, if you don't have pkill, this may work: killall node or perhaps this: kill $(ps -e | grep node | awk '{print $1}') sometimes the process will list its own grep, in which...
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How to use “raise” keyword in Python [duplicate]

... exception chaining, it allows you to preserve the original exception (the root cause) with its traceback. It's very similar to inner exceptions from C#. More info: https://www.python.org/dev/peps/pep-3134/ share ...
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xpath路径表达式笔记 - C/C++ - 清泛网 - 专注C/C++及内核技术

...ng-instruction (处理命令节点) - comment (注释节点) - root (根节点) xpath可以用来选择这7种节点。不过,下面的笔记只涉及最常用的第一种element(元素节点),因此可以将下文中的节点和元素视为同义词。 一、xpath表...
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Linux下追踪程序退出(崩溃)思路 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...值。 注意:history只针对登录用户下执行有效,即使root用户也无法得到其它用户histotry历史。当然,还是有办法记录所有登陆用户的操作历史的: 在/etc/profile里面加入以下代码: PS1="`whoami`@`hostname`:"'[$PWD]' history USER_IP=`wh...
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vim 命令与快捷键 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...n1 to n2 :n1,n2s/old/new/c 询问 保存/退出 ZZ=:wq :wq! owner root :w dir/filename :r filename 倒入文件内容 :r !date 倒入当前日期 :map ^p 0x<ESC> ^ 行首 :n1,n2s/^/#/g 添加行首# :n1,n2s/^#//g 删除行首# 特殊字符转义\/\/\/ :ab a b 定义a =b ^p...
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/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

... task/ comm fd/ loginuid mounts oom_score root@ stack timers 含义如下: 2、系统级别统计: # cd /proc; ls -Fd [a-z]* acpi/ consoles execdomains irq/ kpagecount modules schedstat sys/ version as...
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Linux上安装dtrace(劝退篇) - 操作系统(内核) - 清泛网 - 专注IT技能提升

...要). 接着执行: $ make all $ make install $ make load (need to be root or have sudo access) 至此大功告成, 有关dtrace的使用之后再总结吧. 希望对大家有所帮助. 附上一个手册: dtrace user guide 后记 折腾了半天, 发现dtrace对linux支持不是很好, 执...
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Linux上安装dtrace(劝退篇) - 操作系统(内核) - 清泛网 - 专注IT技能提升

...要). 接着执行: $ make all $ make install $ make load (need to be root or have sudo access) 至此大功告成, 有关dtrace的使用之后再总结吧. 希望对大家有所帮助. 附上一个手册: dtrace user guide 后记 折腾了半天, 发现dtrace对linux支持不是很好, 执...