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Regex doesn't work in String.matches()
...tches ALL the input. Unfortunately, other languages have followed suit :(
If you want to see if the regex matches an input text, use a Pattern, a Matcher and the .find() method of the matcher:
Pattern p = Pattern.compile("[a-z]");
Matcher m = p.matcher(inputstring);
if (m.find())
// match
If...
How to use WPF Background Worker
...d Jun 2 '14 at 18:06
Owen JohnsonOwen Johnson
2,17611 gold badge1515 silver badges2323 bronze badges
...
C# 通过代码安装、卸载、启动、停止服务 - .NET(C#) - 清泛IT论坛,有思想、有深度
...g.Empty;
if (!ServiceIsExisted(serviceName, ref dispName))
{
// Install Servic...
How do I execute a command and get the output of the command within C++ using POSIX?
..._ptr<FILE, decltype(&pclose)> pipe(popen(cmd, "r"), pclose);
if (!pipe) {
throw std::runtime_error("popen() failed!");
}
while (fgets(buffer.data(), buffer.size(), pipe.get()) != nullptr) {
result += buffer.data();
}
return result;
}
Pre-C++11 version:...
How to get the number of Characters in a String?
...o 1.3.
And with CL 108985 (May 2018, for Go 1.11), len([]rune(string)) is now optimized. (Fixes issue 24923)
The compiler detects len([]rune(string)) pattern automatically, and replaces it with for r := range s call.
Adds a new runtime function to count runes in a string.
Modifies the compiler to ...
Batch script to delete files
...e escape, in a batch file, results in "The system cannot find the path specified". As I posted it works.
– Russ Freeman
Dec 7 '12 at 13:41
...
ASP.NET MVC 404 Error Handling [duplicate]
... here
throw new PageNotFoundException("page or resource");
}
Now, in my Action, I am throwing a Custom Exception that I have created. And my Controller is inheriting from a custom Controller Based class that I have created. The Custom Base Controller was created to override error handl...
querySelector and querySelectorAll vs getElementsByClassName and getElementById in JavaScript
I would like to know what exactly is the difference between querySelector and querySelectorAll against getElementsByClassName and getElementById ?
...
Why can lambdas be better optimized by the compiler than plain functions?
...so passing them to a function template will instantiate a new function specifically for that object. The compiler can thus trivially inline the lambda call.
For functions, on the other hand, the old caveat applies: a function pointer gets passed to the function template, and compilers traditionally...
How to change the text of a label?
...put[@name=<%=rbtnType.ClientID%>]:radio:checked").val();
if (rbvalue == "C") {
$('#<%=lblLabelName.ClientID %>').html('text1');
} else if (rbvalue == "I") {
$('#<%=lblLabelName.ClientID %>').html('else text2');
} e...
