大约有 44,000 项符合查询结果（耗时：0.0557秒） [XML]
实战低成本服务器搭建千万级数据采集系统 - 更多技术 - 清泛网 - 专注C/C++...
...法。由于有两个表作为数据插入表，使用数据库表的自增id并不太合适，需要一个高速的唯一自增Id服务器提供生成分布式ID。另数据库完全可以关闭写事务日志 ，提高性能，因为抓取的数据当时丢失再启动抓取就可以了， 这样...
jQuery SVG, why can't I addClass?
I am using jQuery SVG. I can't add or remove a class to an object. Anyone know my mistake?
15 Answers
...
How to dismiss keyboard for UITextView with return key?
In IB's library, the introduction tells us that when the return key is pressed, the keyboard for UITextView will disappear. But actually the return key can only act as '\n'.
...
How to revert a merge commit that's already pushed to remote branch?
...han one parent, and Git does not know automatically which parent was the mainline, and which parent was the branch you want to un-merge.
When you view a merge commit in the output of git log, you will see its parents listed on the line that begins with Merge:
commit 8f937c683929b08379097828c8a0435...
hadoop No FileSystem for scheme: file
I am trying to run a simple NaiveBayesClassifer using hadoop, getting this error
18 Answers
...
Convert XML to JSON (and back) using Javascript
...
I think this is the best one: Converting between XML and JSON
Be sure to read the accompanying article on the xml.com O'Reilly site, which goes into details of the problems with these conversions, which I think you will find en...
How do I prevent Android taking a screenshot when my app goes to the background?
The app I'm currently building has the requirement that the app has to prevent the OS to take a screenshot of the app when it's being pushed into the background for security reasons. This way it won't be able to see the last active screen when switching between apps.
...
Reverse engineering from an APK file to a project
... I transferred to my phone. Is there a way to reverse the process of exporting an application to the .apk file, so I can get my project back?
...
PHP convert XML to JSON
I am trying to convert xml to json in php. If I do a simple convert using simple xml and json_encode none of the attributes in the xml show.
...
UISegmentedControl below UINavigationbar in iOS 7
How do I make a UISegmentedControl as a part of an UINavigationBar below it? Is it connected to the UINavigationBar or is it a complete separate view just added as a subview to the UINavigationController 's view controller. Looks like it is part of the UINavigationBar since there is a shado...