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Setting an environment variable before a command in Bash is not working for the second command in a
... In zsh I don't seem to need the export for this version: (FOO=XXX ; echo FOO=$FOO) ; echo FOO=$FOO yields FOO=XXX\nFOO=\n.
– rampion
Apr 16 '13 at 19:45
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Passing parameters to addTarget:action:forControlEvents
...rt Renshaw
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PostgreSQL - how to quickly drop a user with existing privileges
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Also note, if you have explicitly granted:
CONNECT ON DATABASE xxx TO GROUP ,
you will need to revoke this separately from DROP OWNED BY, using:
REVOKE CONNECT ON DATABASE xxx FROM GROUP
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Hidden features of Windows batch files
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界面布局组件 · App Inventor 2 中文网
...们 关注我，不迷路 在线 客服 扫码添加客服咨询 我要 分享 扫码分享到朋友圈 顶部 var qrcode = new QRCode("qrcode", { ...
GitHub Error Message - Permission denied (publickey)
...emote.origin.url
If you get a result has following format git@github.com:xxx/xxx.github.com.git, then you should do the following.
Generate a SSH key(or use existing one). if you had one, you just need to add your key to the ssh-agent (step 2)and to your GitHub account(step 3).
below are for tho...
Java 8 stream's .min() and .max(): why does this compile?
...tor<Integer>, then it's essentially looking for this signature:
int xxx(Integer o1, Integer o2);
I use "xxx" because the method name is not used for matching purposes.
Therefore, both Integer.min(int a, int b) and Integer.max(int a, int b) are close enough that autoboxing will allow this t...
What's the difference between RANK() and DENSE_RANK() functions in oracle?
...rom dual union all
select 10, 'bbb', 50000 from dual union all
select 10, 'xxx', null from dual union all
select 10, 'ccc', 50000 from dual)
select empname, deptno, sal
, rank() over (partition by deptno order by sal nulls first) r
, dense_rank() over (partition by deptno order by sal null...
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
...html导出的详细比较
结论：广义html/flash式导出，目的是在线发布后，仍保留折叠/展开动态效果，及链接功能。这方面，FreeMind 遥遥领先，远胜 XMind。
XMind：导出的html包括图片和节点文字。但图与文字无链接；文字层级也不能...
Update R using RStudio
...e. I like Kansas: http://rweb.quant.ku.edu/cran/.
click on 'Download R for XXX' [where XXX is your operating system]
follow the installation procedure for your operating system
restart RStudio
rejoice
--wait - what about my beloved packages??--
ok, I use a Mac, so I can only provide accurate deta...