大约有 46,000 项符合查询结果（耗时：0.1068秒） [XML]
Fastest way to check a string contain another substring in JavaScript?
...aScript. So I just want to ask: what is the fastest way to check whether a string contains another substring (I just need the boolean value)? Could you please suggest your idea and sample snippet code?
...
How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?
...quires it to work; you tend to find you need the equivalent trick with the stringizing operator too.
Section 6.10.3 of the C99 standard covers 'macro replacement', and 6.10.3.1 covers 'argument substitution'.
After the arguments for the invocation of a function-like macro have been identified,
...
How to remove single character from a String
For accessing individual characters of a String in Java, we have String.charAt(2) . Is there any inbuilt function to remove an individual character of a String in java?
...
Preserve Line Breaks From TextArea When Writing To MySQL
...ons for this:
PHP function nl2br():
e.g.,
echo nl2br("This\r\nis\n\ra\nstring\r");
// will output
This<br />
is<br />
a<br />
string<br />
Wrap the input in <pre></pre> tags.
See: W3C Wiki - HTML/Elements/pre
...
Why should I prefer single 'await Task.WhenAll' over multiple awaits?
...t1; await t2; await t3;
Console.WriteLine("DoWork1 results: {0}", String.Join(", ", t1.Result, t2.Result, t3.Result));
}
catch (Exception x)
{
// ...
}
}
In this case, if all 3 tasks throw exceptions, only the first one will be caught. Any later exception will be ...
How to hash some string with sha256 in Java?
How can I hash some string with sha256 in Java? Does anybody know of any free library for this?
15 Answers
...
How to check if type of a variable is string?
Is there a way to check if the type of a variable in python is a string , like:
20 Answers
...
How do I get an ISO 8601 date on iOS?
It's easy enough to get the ISO 8601 date string (for example, 2004-02-12T15:19:21+00:00 ) in PHP via date('c') , but how does one get it in Objective-C (iPhone)? Is there a similarly short way to do it?
...
Any way to declare an array in-line?
Let's say I have a method m() that takes an array of Strings as an argument. Is there a way I can just declare this array in-line when I make the call? i.e. Instead of:
...
Hash String via SHA-256 in Java
...e (or some other freely available utility) to generate a SHA-256 Hash of a String in Java. Looking at their documentation I can't seem to find any good examples of what I want to do. Can anybody here help me out?
...