大约有 22,000 项符合查询结果(耗时:0.0247秒) [XML]

https://stackoverflow.com/ques... 

Regular expression to extract text between square brackets

Simple regex question. I have a string on the following format: 14 Answers 14 ...
https://stackoverflow.com/ques... 

C# Sanitize File Name

... To clean up a file name you could do this private static string MakeValidFileName( string name ) { string invalidChars = System.Text.RegularExpressions.Regex.Escape( new string( System.IO.Path.GetInvalidFileNameChars() ) ); string invalidRegStr = string.Format( @"([{0}]*\.+$)...
https://stackoverflow.com/ques... 

How do I break a string across more than one line of code in JavaScript?

... In your example, you can break the string into two pieces: alert ( "Please Select file" + " to delete"); Or, when it's a string, as in your case, you can use a backslash as @Gumbo suggested: alert ( "Please Select file\ to delete"); Note that this back...
https://stackoverflow.com/ques... 

What is the simplest way to convert a Java string from all caps (words separated by underscores) to

...t all. What's the simplest/most elegant way that I can convert, in Java, a string from the format "THIS_IS_AN_EXAMPLE_STRING" to the format " ThisIsAnExampleString "? I figure there must be at least one way to do it using String.replaceAll() and a regex. ...
https://stackoverflow.com/ques... 

Why do we need C Unions?

... Here is a trivial example: typedef union { struct { unsigned char byte1; unsigned char byte2; unsigned char byte3; unsigned char byte4; } bytes; unsigned int dword; } HW_Register; HW_Register reg; Then you can access the reg as follows: reg.dword = 0x...
https://stackoverflow.com/ques... 

“PKIX path building failed” and “unable to find valid certification path to requested target”

... certificates. */ public class InstallCert { public static void main(String[] args) throws Exception { String host; int port; char[] passphrase; if ((args.length == 1) || (args.length == 2)) { String[] c = args[0].split(":"); host = c[0];...
https://stackoverflow.com/ques... 

Copy folder recursively in node.js

..."fs") const path = require("path") /** * Look ma, it's cp -R. * @param {string} src The path to the thing to copy. * @param {string} dest The path to the new copy. */ var copyRecursiveSync = function(src, dest) { var exists = fs.existsSync(src); var stats = exists && fs.statSync(src...
https://stackoverflow.com/ques... 

Semicolon before self-invoking function? [duplicate]

...: there isn't one! (Learn only one rule and you too can enjoy life without extra semicolons ;-) Since I write in a semicolon-free style I thus always write it as (where the function-expression can naturally span multiple lines): ;(FunctionExpression)() In my case it isn't about "safety" or try...
https://stackoverflow.com/ques... 

Difference: std::runtime_error vs std::exception()

... std::runtime_error on the other hand has valid constructors that accept a string as a message. When what() is called a const char pointer is returned that points at a C string that has the same string as was passed into the constructor. try { if (badThingHappened) { throw std::run...
https://stackoverflow.com/ques... 

sizeof single struct member in C

...->member) and use it like this: typedef struct { float calc; char text[255]; int used; } Parent; typedef struct { char flag; char text[member_size(Parent, text)]; int used; } Child; I'm actually a bit surprised that sizeof((type *)0)->member) is even allowed as a ...