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Upgrade Node.js to the latest version on Mac OS
Currently I am using Node.js v0.6.16 on Mac OS X 10.7.4. Now I want to upgrade it to the latest Node.js v0.8.1. But after downloading and installing the latest package file from nodejs.org, I found that system is still using v0.6.16 instead of v0.8.1 when I typed "node -v" in a terminal. Is there an...
Use C++ with Cocoa Instead of Objective-C?
...to be pretty vanilla in its implementation on Linux and Windows but on Mac OS X it seems like additional Apple specific pieces of code are required (like an Obj-C wrapper). It also seems that Apple is forcing developers to write in Objective-C rather than C++, although I could be wrong.
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Pinging servers in Python
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This function works in any OS (Unix, Linux, macOS, and Windows)
Python 2 and Python 3
EDITS:
By @radato os.system was replaced by subprocess.call. This avoids shell injection vulnerability in cases where your hostname string might not be validated.
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How do I use JDK 7 on Mac OSX?
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Oracle has released JDK 7 for OS X.
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How to open the default webbrowser using java
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is this a cross-platform solution or Windows only? other answers in this thread suggest to use the Runtime class for Linux
– isapir
Oct 23 '13 at 4:05
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手把手教你用Strace诊断问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...「sy」，而不是用户态「us」，和我们的经验不符。Linux 操作系统有很多用来跟踪程序行为的工具，内核态的函数调用跟踪用「strace」，用户态的函数调用跟踪用「ltrace」，所以这里我们应该用「strace」：
shell> strace -p <PID>
不...
删除升级后系统备份文件，删除Windows.old，释放磁盘空间 - 更多技术 - 清...
...定即可删除，安全快捷，轻松释放磁盘空间。
1753删除 操作系统 升级文件
Linux下将Mysql和Apache加入到系统服务 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Linux下将Mysql和Apache加入到系统服务MySQL加入到系统服务里面 cp usr local mysql share mysql mysql.server etc init.d mysqld #把msql的脚本文件拷到系统的启动...MySQL加入到系统服务里面
cp /usr/local/mysql/share/mysql/mysql.server /etc/init.d/mysql...
App Inventor 2 控制代码块 · App Inventor 2 中文网
... 测试给定条件。如果条件为真，则执行给定块序列中的操作；否则，这些块将被忽略。
测试给定条件。如果条件为真，则执行 则 块序列中的操作；否则，执行 否则 块序列中的操作。
测试给定条件。如果结果为真，...
App Inventor 2 开发多用户注册登录签到系统 - AppInventor连接网络微数据...
...数据库”和本地的“微数据库”不一样，本地微数据库的操作都是一步到位的，获取和存储的数据立马生效。但是由于网络可能会有抖动、延时，因此网络数据的操作都是异步的，请求后不会立马拿到数据，而是在“获得数据”...