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How is std::function implemented?
...;
}
};
// examples
int main()
{
int i = 0;
auto fn = [i](std::string const& s) mutable
{
std::cout << ++i << ". " << s << std::endl;
};
fn("first"); // 1. first
fn("second"); ...
Count character occurrences in a string in C++
How can I count the number of "_" in a string like "bla_bla_blabla_bla" ?
13 Answers
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正则表达式 30 分钟入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...尽可能少重复
处理选项
在C#中，你可以使用Regex(String, RegexOptions)构造函数来设置正则表达式的处理选项。如：Regex regex = new Regex(@"\ba\w{6}\b", RegexOptions.IgnoreCase);
上面介绍了几个选项如忽略大小写，处理多行等，这些选项...
“No X11 DISPLAY variable” - what does it mean?
...le X11 forwarding
Also sudo to server and export the below variable here IP is your local machine's IP
export DISPLAY=10.75.75.75:0.0
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Best way to parseDouble with comma as decimal separator?
..." it will happily return 1.23 without indicating to you that the passed-in String contained non-parsable characters. In some situations that might actually be desirable, but I don't think it's usually the desired behavior.
– E-Riz
Jan 17 '13 at 19:37
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How to write iOS app purely in C
...eclaration, like this:
// int UIApplicationMain (int argc, char *argv[], NSString *principalClassName, NSString *delegateClassName);
// So, we rely on the fact that for both the i386 & ARM architectures,
// the registers for parameters passed in remain the same whether or not
// you are using ...
Why is “a” != “a” in C?
...
What you are comparing are the two memory addresses for the different strings, which are stored in different locations. Doing so essentially looks like this:
if(0x00403064 == 0x002D316A) // Two memory locations
{
printf("Yes, equal");
}
Use the following code to compare two string values...
How to enable external request in IIS Express?
...//*:8080/) will make connections work for both hostname and the computer's IP address.
– Anders
Nov 30 '15 at 11:04
2
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How can I remove a substring from a given String?
Is there an easy way to remove substring from a given String in Java?
12 Answers
12...
How to read a text file reversely with iterator in C#
...lt;/summary>
public sealed class ReverseLineReader : IEnumerable<string>
{
/// <summary>
/// Buffer size to use by default. Classes with internal access can specify
/// a different buffer size - this is useful for testing.
/// </summary>
...