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Default argument values in JavaScript functions [duplicate]
...alues like this:
function func(a, b){
if (typeof(a)==='undefined') a = 10;
if (typeof(b)==='undefined') b = 20;
//your code
}
and then you can call it like func(); to use default parameters.
Here's a test:
function func(a, b){
if (typeof(a)==='undefined') a = 10;
if (typeof(b)==...
How to check whether a string contains a substring in Ruby
...
1394
You can use the include? method:
my_string = "abcdefg"
if my_string.include? "cde"
puts "...
Efficiently replace all accented characters in a string?
...
21 Answers
21
Active
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Understanding reference counting with Cocoa and Objective-C
...
14 Answers
14
Active
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Putting git hooks into repository
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145
I generally agree with Scytale, with a couple additional suggestions, enough that it's worth a...
How to condense if/else into one line in Python? [duplicate]
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216
An example of Python's way of doing "ternary" expressions:
i = 5 if a > 7 else 0
translat...
CreateWindow()动态创建一个EditBox - C/C++ - 清泛网 - 专注C/C++及内核技术
..."), 0, WS_CHILD | WS_VISIBLE | ES_WANTRETURN,
70, 4, 60, 16, m_hWnd, 0, 0, 0);
// 显示
::ShowWindow(m_wndEdit, SW_SHOW);
常见错误解决思路：
1.创建失败，不显示输入框等。DWORD errno = GetLastError() 查看错误代码。
2.不可在类...
c++ 代码调用nsis安装包实现静默安装 - C/C++ - 清泛网 - 专注C/C++及内核技术
...R(_T("启动安装程序失败：%s"), strMsg);
return -1;
}
m_hCreatePackage = sei.hProcess; // 句柄
m_hCreatePackage 存储安装包进程的句柄，有了它我们就可以使用 WaitForSingleObject 对其执行各阶段的逻辑进行处...