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How to check status of PostgreSQL server Mac OS X
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The simplest way to to check running processes:
ps auxwww | grep postgres
And look for a command that looks something like this (your version may not be 8.3):
/Library/PostgreSQL/8.3/bin/postgres -D /Library/PostgreSQL/8.3/data
To start the server, execute something l...
heroku - how to see all the logs
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heroku logs --source app -t
Or see only the router logs
heroku logs --ps router
Or chain them together
heroku logs --source app --ps worker
So good..
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OSX - How to auto Close Terminal window after the “exit” command executed.
...rl. I'd say it's a case of PEBBAF (Problem exist between brain and fingertips).
– holygeek
Apr 7 '11 at 2:05
kill/kill...
社交应用组件 · App Inventor 2 中文网
...系人的 URI
电话号码：联系人的主要电话号码（在更高版本的 Android 版本上）
电话号码列表：联系人电话号码列表（在更高版本的 Android 版本上）
图片：包含联系人图片的文件的名称，可用作 图像.图片属性值 或 图像精灵....
唱吧CEO陈华：创业初期不要找最贵的人 - 资讯 - 清泛网 - 专注C/C++及内核技术
唱吧CEO陈华：创业初期不要找最贵的人对中层团队充分授权，让他们主动想问题，不要去管最底层的细节，除非严重的问题。近期，唱吧CEO陈华来到黑马营十一期四课课程现场，用创办两个公司的亲身经验讲述自己在树文化、搭...
How can I get the current user's username in Bash?
...e I've used on Solaris 9 and Linux and which works fine for both of them:
ps -o user= -p $$ | awk '{print $1}'
This snippet prints the name of the user with the current EUID.
NOTE: you need Bash as the interpreter here.
On Solaris you have problems with methods, described above:
id does not a...
How to change the output color of echo in Linux
...ption:
If you are going to use these codes in your special bash variables
PS0
PS1
PS2 (= this is for prompting)
PS4
you should add extra escape characters so that bash can interpret them correctly. Without this adding extra escape characters it works but you will face problems when you use Ctrl + ...
How do I drop a MongoDB database from the command line?
...abase()"
More info on scripting the shell from the command line here: https://docs.mongodb.com/manual/tutorial/write-scripts-for-the-mongo-shell/#scripting
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传感器组件 · App Inventor 2 中文网
...动，也不会触发任何事件。
兼容模式
在添加此属性的版本之前，加速度传感器 组件直接传递从 Android 系统接收到的传感器值。然而，这些值无法补偿默认为横向模式的平板电脑，需要 MIT App Inventor 程序员进行补偿。但是，...
Rails server says port already used, how to kill that process?
... running debugger in RubyMine and it crashes or something... The server stops but the debugger continues... Anyway, this is the solution I used and it works perfectly :)
– J Smith
Jun 22 '15 at 12:24
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