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What are best practices that you use when writing Objective-C and Cocoa? [closed]
...says that you are required to do this. From Memory Management Programming Guide for Cocoa: Additional cases of weak references in Cocoa include, but are not restricted to, table data sources, outline view items, notification observers, and miscellaneous targets and delegates. In most cases, the w...
How to get arguments with flags in Bash
...le uses Bash's built-in getopts command and is from the Google Shell Style Guide:
a_flag=''
b_flag=''
files=''
verbose='false'
print_usage() {
printf "Usage: ..."
}
while getopts 'abf:v' flag; do
case "${flag}" in
a) a_flag='true' ;;
b) b_flag='true' ;;
f) files="${OPTARG}" ;;
...
Practical example where Tuple can be used in .Net 4.0?
...
+1 Tuple.Create is handy shorthand for new Tuple<Guid,string,...>
– AaronLS
Jan 10 '14 at 23:50
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Get statistics for each group (such as count, mean, etc) using pandas GroupBy?
...nalysis Tools
If you didn't find what you were looking for above, the User Guide has a comprehensive listing of supported statical analysis, correlation, and regression tools.
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How do I use installed packages in PyCharm?
...nd configure PyCharm. I refer multiple times to the Python Packaging User Guide, written by the same group that maintains the official Python packaging tools.
The correct way to develop a Python application is with a virtualenv. Packages and version are installed without effecting the system or...
What is the difference between varchar and varchar2 in Oracle?
...For programmers who are interested, the link is at: Pro*C/C++ Programmer's Guide
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How do I run a terminal inside of Vim?
... I only use the split screen feature occasionally.
The GNU Screen Survival Guide question has a number of good tips if you're unfamiliar with its use.
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多媒体组件 · App Inventor 2 中文网
...称。
仅支持某些格式，请参阅http://developer.android.com/guide/appendix/media-formats.html。
事件
无
方法
暂停()
如果正在播放声音，则暂停播放。
播放()
播放声音。
恢复()
暂停后继续播放声音。
停止()
如果正在...
Understanding reference counting with Cocoa and Objective-C
...ption of Cocoa's memory management system in Memory Management Programming Guide for Cocoa, at the end of which there is a brief but accurate summary of the Memory Management Rules.
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Generating a unique machine id
...lem and after a little research I decided the best would be to read MachineGuid in registry key HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography, as @Agnus suggested. It is generated during OS installation and won't change unless you make another fresh OS install. Depending on the OS version it ma...