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What is the >>>= operator in C?
...gt;>= a[ !!0X.1P1 ] )
The literal 0xFULL is the same as 0xF (which is hex for 15); the ULL just specifies that it's an unsigned long long literal. In any case, as a boolean it's true, so 0xFULL ? '\0' : -1 evaluates to '\0', which is a character literal whose numerical value is simply 0.
Mean...
从Code Review 谈如何做技术 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...质量不好的代码蒙羞。另一方面，有人会觉得那是别人的模块，我不懂，也没时间 去懂，不懂他的业务怎么做Code Review? 我只想说，如果你的团队里这样的“各个自扫门前雪”的事越多，那么这个团队也就越没主动性，没有主动...
Tool to read and display Java .class versions
... class version to JDK version mappings up to Java 7:
Target Major.minor Hex
1.1 45.3 0x2D
1.2 46.0 0x2E
1.3 47.0 0x2F
1.4 48.0 0x30
5 (1.5) 49.0 0x31
6 (1.6) 50.0 0x32
7 (1.7) 51.0 0x33
8 (1.8) 52.0 0x34
9 53.0...
Converting an int to std::string
... use "%g" to convert float or double to string, use "%x" to convert int to hex representation, and so on.
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Making iTerm to translate 'meta-key' in the same way as in other OSes
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For backward-delete-word (⎇-DEL) send a hex code 0x17, for jumping to beginning of input (⌘-←) send 0x01 and for jumping to the end (⌘-→) send 0x05.
– Lenar Hoyt
May 1 '14 at 21:54
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How do I make a transparent border with CSS?
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And you can use this tool to convert from hex to rgba colour... hexcolortool.com ... where you can optionally specify the hex colour in the URL, like so... hexcolortool.com/#ffcc00
– clayRay
Aug 7 '17 at 1:31
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二进制数据专题：蓝牙、Socket、WebSocket、MQTT 收发字节 · App Inventor 2 中文网
...指导
二进制数据专题
单片机、传感器模块、工控设备之间传数据，大多不是发一句文本，而是发一串字节：
「帧头 A5、命令 01、两个字节的温度、一个字节的校验」。这类格式叫二进制协议。
App Inventor 里...
Batch files: How to read a file?
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set /p "line="
echo(!line!
)
)
For reading it "binary" into a hex-representation
You could look at SO: converting a binary file to HEX representation using batch file
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Setting background colour of Android layout element
...="@color/red"
example didn't work for me, but the
android:background="#(hexidecimal here without these parenthesis)"
worked for me in the relative layout element as an attribute.
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How to encrypt/decrypt data in php?
...the binary data into a textual representation using base64_encode() or bin2hex(), doing so requires between 33% to 100% more storage space.
Decryption
Decryption of the stored values is similar:
function pkcs7_unpad($data)
{
return substr($data, 0, -ord($data[strlen($data) - 1]));
}
$row = $...