大约有 21,000 项符合查询结果（耗时：0.0623秒） [XML]
How to check if NSString begins with a certain character
... CFStringHasPrefix() can also be used on NSStrings due to "Toll Free Bridging". The performance of CFStringHasPrefix() seems to be 2-3 times better (at least when using my data set). So if you are using it in a performance sensitive area, you might want to try CFStringHasPrefix() instead.
...
What is the difference between SessionState and ViewState?
...ay to track what the user is doing on the site.. across multiple pages...amid the statelessness of the Web. e.g. the contents of a particular user's shopping cart is session data. Cookies can be used for session state.
View State on the other hand is information specific to particular web page. It i...
Call a Javascript function every 5 seconds continuously [duplicate]
...d before your latest edit (after my edit) (setInterval(methodName,5000)), did not use eval. eval is only used in setInterval/setTimeout if the first parameter is passed as a string.
– Matt
Aug 25 '11 at 14:02
...
Resetting a setTimeout
... @Cort3z that's because window.setTimeout returns a number (the timer's ID) and not a "timeout object".
– Dan O
Apr 30 '15 at 15:59
2
...
Embedding Base64 Images
...ntendo DSi or Wii)
WebKit-based, such as Safari (including on iOS), Android's browser, Epiphany and Midori (WebKit is a derivative of Konqueror's KHTML engine, but Mac OS X does not share the KIO architecture so the implementations are different), as well as Webkit/Chromium-based, such as Chrome
...
How do I install g++ for Fedora?
...edora Linux? I have been searching the dnf command to install g++ but didn't find anything.
9 Answers
...
jQuery: Count number of list elements?
I've got a list that is generated from some server side code, before adding extra stuff to it with jQuery I need to figure out how many items are already in it.
...
Freeing up a TCP/IP port?
...
As the others have said, you'll have to kill all processes that are listening on that port. The easiest way to do that would be to use the fuser(1) command. For example, to see all of the processes listening for http requests on port 80 (run as...
What is a CSRF token ? What is its importance and how does it work?
I am writing an application (Django, it so happens) and I just want an idea of what actually a "CSRF token" is and how it protects the data. Is the post data not safe if you do not use CSRF tokens?
...
Best Way to read rss feed in .net Using C#
...e and succinct. You also need to be using System.Xml; but that's fairly evident. For Blogger the url is currently "blogname.blogspot.com/feeds/posts/default" (Atom 1.0) and "blogname.blogspot.com/feeds/posts/default?alt=rss" for RSS 2.0. The SyndicationItem item has all the item properties you'll ...