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Map to String in Java
... But the key values are not double-quoted though, hence not a valid JSON if someone tries to use it as JSON
– P Satish Patro
Jul 27 at 15:13
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Assign output to variable in Bash
...69.254/latest/dynamic/instance-identity/document' | python -c "import sys, json; print json.load(sys.stdin)['region']")
echo $INSTANCE_REGION
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Should a Netflix or Twitter-style web service use REST or SOAP? [closed]
... under five minutes.
Services that return application/xml and application/json are so annoying for client developers. What are we supposed to do with that blob of data?
Fortunately, lots of sites that provide REST services also provide a bunch of client libraries so that we can use those libraries...
What REST PUT/POST/DELETE calls should return by a convention?
...
By the RFC7231 it does not matter and may be empty
How we implement json api standard based solution in the project:
post/put: outputs object attributes as in get (field filter/relations applies the same)
delete: data only contains null (for its a representation of missing object)
status f...
JavaScript, Node.js: is Array.forEach asynchronous?
...exec('node libfn.js', function(err, stdout, stderr) {
var output = JSON.parse(stdout);
cb(err, output);
});
process.stdin.write(JSON.stringify(array), 'utf8');
process.stdin.end();
}
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“hello, world” 起源及其他 - 创意 - 清泛网 - 专注C/C++及内核技术
...逗号后有一空格。虽然之后几乎没能流传下来这个最初的格式，但从此用hello world向世界打招呼成为惯例。
有趣的是，如果你去看Brian Kernighan的wiki页面，他成果列表里的第一条，不是《C程序语言》，不是《UNIX编程环境》，而...
BMP 和 DIB - C/C++ - 清泛网 - 专注C/C++及内核技术
...合显示这张图片。为了解决这一难题，微软创建了DIB位图格式。
换言之，我们现在电脑里面的.bmp图基本上可以都认为是DIB。A bitmap image file loaded into memory becomes a DIB data structure
BMP 由以下几部分组成：
请注意：1,2,3,4组成了BMP...
Linux Shell中 if else及大于、小于、等于逻辑表达式写法 - C/C++ - 清泛网...
...曾因为空格缺少或位置不对，而浪费好多宝贵的时间。
格式：
if ....; then
....
elif ....; then
....
else
....
fi
[ -f "somefile" ] ：判断是否是一个文件
[ -x "/bin/ls" ] ：判断/bin/ls是否存在并有可执行权限
[ -n "$var" ] ：判断$var变量...
CMap用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...同上例
CMap的用法：
头文件：
afxtempl.h
CMap的格式：
template<class KEY, class ARG_KEY, class VALUE, class ARG_VALUE >class CMap : public CObject
Key：用作Key的类型（比如整型、浮点型等）
ARG_KEY：Key的值
VALUE: 用作VALUE的类型
ARG_VALUE...
CString的截取字符串，截取ip:port - C/C++ - 清泛网 - 专注C/C++及内核技术
...ight(strIpPort.GetLength()-index-1);
}
else
{
AfxMessageBox("字符串格式不对");
}
Left 函数从字符串头部开始截取到index位置，Right 函数从分隔符 ':' 后面开始截取到字符串尾部。CString 字符串 截取