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String literals: Where do they go?
...e string literals changeable (it will be highly dependent on your platform and could change over time), just use arrays:
char foo[] = "...";
The compiler will arrange for the array to get initialized from the literal and you can modify the array.
...
How to format numbers as currency string?
...ce in JavaScript. I'd like a function which takes a float as an argument and returns a string formatted like this:
66 A...
How do I get the result of a command in a variable in windows?
I'm looking to get the result of a command as a variable in a Windows batch script (see how to get the result of a command in bash for the bash scripting equivalent). A solution that will work in a .bat file is preferred, but other common windows scripting solutions are also welcome.
...
What is the Linux equivalent to DOS pause?
...er presses a key. In DOS, this is easily accomplished with the "pause" command. Is there a Linux equivalent I can use in my script?
...
How can I export the schema of a database in PostgreSQL?
...access to a Windows machine but I'm pretty sure from memory that's the command. See if the help works for you too.
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How to extract a string using JavaScript Regex?
...
You need to use the m flag:
multiline; treat beginning and end characters (^ and $) as working
over multiple lines (i.e., match the beginning or end of each line
(delimited by \n or \r), not only the very beginning or end of the
whole input string)
Also put the * in the r...
Is the “struct hack” technically undefined behavior?
...
It's not clear if it's legal or portable, but it is rather popular.
and:
... an official interpretation has deemed that it is not strictly conforming with the C Standard, although it does seem to work under all known implementations. (Compilers which check array bounds carefully might iss...
LINQ: Distinct values
...g to be distinct by more than one field? If so, just use an anonymous type and the Distinct operator and it should be okay:
var query = doc.Elements("whatever")
.Select(element => new {
id = (int) element.Attribute("id"),
c...
VS工程“生成事件”之文件拷贝 - c++1y / stl - 清泛IT社区，为创新赋能！
有时工程下面引用了lib文件，但是编译Debug/Release等版本时需要将dll拷至指定目录才能运行，
如果有多个编译版本需要拷贝多份，这样不便于维护（config等配置文件也是如此，最好不要弄多份副本）。
这时我们“在生成事件...
sizeof、strlen简单总结 - C/C++ - 清泛IT论坛，有思想、有深度
sizeof strlen const char* p 4 字符串长度 std::string 4 字符串长度 "......" 字符串长度+1   ('\0') 字符串长度