大约有 16,800 项符合查询结果（耗时：0.0305秒） [XML]
A variable modified inside a while loop is not remembered
In the following program, if I set the variable $foo to the value 1 inside the first if statement, it works in the sense that its value is remembered after the if statement. However, when I set the same variable to the value 2 inside an if which is inside a while statement, it's forgotten af...
Find JavaScript function definition in Chrome
Chrome's Developer Tools rock, but one thing they don't seem to have (that I could find) is a way to find a JavaScript function's definition. This would be super handy for me because I'm working on a site that includes many external JS files. Sure grep solves this but in the browser would be much be...
HTTP vs HTTPS performance
Are there any major differences in performance between http and https? I seem to recall reading that HTTPS can be a fifth as fast as HTTP. Is this valid with the current generation webservers/browsers? If so, are there any whitepapers to support it?
...
Convert special characters to HTML in Javascript
Does any one know how to convert special characters to HTML in Javascript ?
26 Answers
...
How to check if a URL is valid
How can I check if a string is a valid URL?
9 Answers
9
...
Output to the same line overwriting previous output?
I am writing an FTP downloader. Part of to the code is something like this:
8 Answers
...
Prevent scrolling of parent element when inner element scroll position reaches top/bottom? [duplicat
I have a little "floating tool box" - a div with position:fixed; overflow:auto .
Works just fine.
30 Answers
...
Difference between core and processor
What is the difference between a core and a processor?
6 Answers
6
...
How to specify a multi-line shell variable?
...
5 Answers
5
Active
...
Remove all files except some from a directory
When using sudo rm -r , how can I delete all files, with the exception of the following:
19 Answers
...