大约有 46,000 项符合查询结果(耗时:0.0718秒) [XML]

https://stackoverflow.com/ques... 

Batch file to copy files from one folder to another folder

... xcopy.exe is definitely your friend here. It's built into Windows, so its cost is nothing. Just xcopy /s c:\source d:\target You'd probably want to tweak a few things; some of the options we also add include these: /s/e - recursive copy, i...
https://stackoverflow.com/ques... 

Is it correct to use alt tag for an anchor link?

Is it correct to use alt tag for an anchor link, something like 7 Answers 7 ...
https://stackoverflow.com/ques... 

When is JavaScript's eval() not evil?

I'm writing some JavaScript code to parse user-entered functions (for spreadsheet-like functionality). Having parsed the formula I could convert it into JavaScript and run eval() on it to yield the result. ...
https://stackoverflow.com/ques... 

Regex Last occurrence?

...the last part after the last backslash I need the \Web_ERP_Assistant (with the \ ) 7 Answers ...
https://stackoverflow.com/ques... 

Why do browsers match CSS selectors from right to left?

... Keep in mind that when a browser is doing selector matching it has one element (the one it's trying to determine style for) and all your rules and their selectors and it needs to find which rules match the element. This is different from the usual jQuery thing, say, where you only ha...
https://stackoverflow.com/ques... 

How to check if an object is nullable?

...ullable - Nullable<T> and reference-type. Jon has corrected me that it is hard to get type if boxed, but you can with generics: - so how about below. This is actually testing type T, but using the obj parameter purely for generic type inference (to make it easy to call) - it would work almos...
https://stackoverflow.com/ques... 

Why are only a few video games written in Java? [closed]

... aren't many commercial, 3D video games (not random open source 2D ones) written in Java? In theory, it makes a lot of sense: you get a productivity boost and a cross-platform application almost for free, among other things, such as the vast amount of Java libraries, and built-in garbage collection ...
https://stackoverflow.com/ques... 

Mod of negative number is melting my brain

I'm trying to mod an integer to get an array position so that it will loop round. Doing i % arrayLength works fine for positive numbers but for negative numbers it all goes wrong. ...
https://stackoverflow.com/ques... 

Is Java a Compiled or an Interpreted programming language ?

...the past I have used C++ as a programming language. I know that the code written in C++ goes through a compilation process until it becomes object code "machine code". ...
https://stackoverflow.com/ques... 

What are Long-Polling, Websockets, Server-Sent Events (SSE) and Comet?

... the client is the browser and the server is the webserver hosting the website. Before you can understand these technologies, you have to understand classic HTTP web traffic first. Regular HTTP: A client requests a webpage from a server. The server calculates the response The server sends the re...