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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...
iOS开发调试技巧总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...执行
#endif
（3）__IPHONE_OS_VERSION_MAX_ALLOWED :当前编译的SDK版本，可以与__IPHONE_9_0等宏定义进行比较，进行不同版本下代码的执行。示例如下：
if(__IPHONE_OS_VERSION_MAX_ALLOWED==__IPHONE_9_0){
//如果当前SDK版本为9.0是执行这里的代码
}els...
Mozilla PDF.js：PDF在线预览 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...://github.com/ChineseDron/pdf.js# 是从Mozilla原版中fork出来的一个版本，原版的链接在这里https://github.com/mozilla/pdf.js 原版的版次新一些，我们用原版。
PDF.js怎么用
这个viewer我觉得就是PDF.js的最终UI。根据以往经验，网上能下载的demo...
整合phpcms v9和discuz X3.2实现同步登陆、退出免激活 - 更多技术 - 清泛网...
...方自带的 UCenter 客户端？
答：官方自带的 UCenter 客户端版本为 1.5.1 Release 20100501 ，而 Discuz! X3.0 使用的版本为 1.6.0 。版本不一致，无法整合成功。
3、整合成功后，能达到怎样的效果？
答：实现 phpcms 与 Discuz! 会员的双向同步...
Win32汇编--使用MASM - C/C++ - 清泛网 - 专注C/C++及内核技术
...指定使用的指令集
.386语句是汇编语句的伪指令，它在低版本的宏汇编中就已经存在，类似的指令还有：.8086、.186、.286、.386/.386p、.486/..486p和.586/.586p等，用于告诉编译器在本程序中使用的指令集。在DOS的汇编中默认使用的是8086...
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...
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 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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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 + ...