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Multiple working directories with Git?
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For those using msysgit (windows) you can use this ported version of the script: github.com/joero74/git-new-workdir
– amos
Jan 13 '12 at 9:24
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What is an optional value in Swift?
...icate either a specific kind of value, or a lack of value — e.g. does my window have a delegate, and if so, who is it? Optionals are Swift's type-safe, memory-safe way to do this.
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What are the main disadvantages of Java Server Faces 2.0?
...g and navigating to the same view (independently of the opened browser tab/window!), either synchronously or asynchronously (Ajax). See also Difference between View and Request scope in managed beans and How to choose the right bean scope?
Although practically all disadvantages of JSF 1.x were elim...
Do you (really) write exception safe code? [closed]
...vert back to C and avoid C++ libraries, as well as external surprises like Windows SEH).
Writing exception safe code
To write exception safe code, you must know first what level of exception safety each instruction you write is.
For example, a new can throw an exception, but assigning a built-in (e....
Perforce for Git users? [closed]
...stick these settings in your shell config file, use p4 set to save them on Windows and OS X, or use a Perforce config file.
1) Create a workspace
p4 workspace
# set your root to where your files should live:
Root: /Users/matt/work
# in the resulting editor change your view to map the depot files...
How to “perfectly” override a dict?
...ase info (the strings are paths to files displayed to the user, but it's a windows app so internally all operations must be case insensitive)
I needed keys to be as small as possible (it did make a difference in memory performance, chopped off 110 mb out of 370). This meant that caching lowercase ve...
App Inventor 2 低功耗蓝牙 BlueToothLE 拓展 · App Inventor 2 中文网
... 顶部 var qrcode = new QRCode("qrcode", { text: window.location.href + "?f=share", //URL地址 width: 150, height: 150, colorDark: '#000000', //二维码颜色 colorLight: "#ffffff" //背景颜色}); App Inventor 2 中文网 © 2...
u'\ufeff' in Python string
... It is not required for UTF-8, but serves only as a signature (usually on Windows).
Output:
utf-8 'ABC'
utf-8-sig '\xef\xbb\xbfABC'
utf-16 '\xff\xfeA\x00B\x00C\x00' # Adds BOM and encodes using native processor endian-ness.
utf-16le 'A\x00B\x00C\x00'
utf-16be '\x00A\x00B\x00C'
utf-8 ...
Why would finding a type's initializer throw a NullReferenceException?
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@IgbyLargeman: Advanced Windows Debugging is pretty good.
– Remus Rusanu
Apr 19 '13 at 5:05
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通信连接组件 · App Inventor 2 中文网
...接失败：", 消息)
}
发送文本时通常在末尾加换行符 \n（Windows 风格的服务端用 \r\n），方便服务端按行读取。
和单片机、工控设备收发二进制协议帧时，用发送字节数组发、收到字节时收，
配合二进制组件拼包、算校验、解...