大约有 45,000 项符合查询结果（耗时：0.0392秒） [XML]
How does facebook, gmail send the real time notification?
...e pointless requests, because nothing has happened.
The way Facebook does it is using the comet approach, rather than polling on an interval, as soon as one poll completes, it issues another one. However, each request to the script on the server has an extremely long timeout, and the server only r...
Performing a Stress Test on Web Application?
...b Application Stress Tool and Pylot to stress test web applications. I'd written a simple home page, login script, and site walkthrough (in an ecommerce site adding a few items to a cart and checkout).
...
What is recursion and when should I use it?
...ems to come up regularly on mailing lists and online discussions is the merits (or lack thereof) of doing a Computer Science Degree. An argument that seems to come up time and again for the negative party is that they have been coding for some number of years and they have never used recursion.
...
Should Jquery code go in header or footer?
...ut Jquery code (or separate Jquery file)? Will pages load faster if I put it in the footer?
9 Answers
...
sort object properties and JSON.stringify
... (their creation order?). When I do JSON.stringify() on the array and save it, a diff shows the properties getting listed in different orders, which is annoying when trying to merge the data further with diff and merging tools.
...
How to copy Java Collections list
I have an ArrayList and I want to copy it exactly. I use utility classes when possible on the assumption that someone spent some time making it correct. So naturally, I end up with the Collections class which contains a copy method.
...
Xamarin 2.0 vs Appcelerator Titanium vs PhoneGap [duplicate]
...til a day comes when everyone uses the same platform. Android?
HTML? WebKit? iOS? Windows? Xamarin? Titanum? PhoneGap? Corona? ecc.
Sometimes I hear it said that there are essentially two approaches
to cross-platform mobile apps. You can either use an embedded
browser control and write a...
How can I mix LaTeX in with Markdown? [closed]
I've been using Markdown for class notes, and it's great. I even do some preprocessing on the Markdown so I can do things like tables. But this term I'm teaching a class with a lot of math, and I'd love to be able to put LaTeX formulas with Markdown, something like this:
...
Can I call jquery click() to follow an link if I haven't bound an event handler to it with bind
...on. I have used $().trigger() and window.location also, and I can make it work as intended with all three.
10 Answers
...
Multiple glibc libraries on a single host
...
It is very possible to have multiple versions of glibc on the same system (we do that every day).
However, you need to know that glibc consists of many pieces (200+ shared libraries) which all must match. One of the pieces i...