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plupload图片上传插件的使用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...新实例化uploader
removeFile(id):从file中移除某个文件
splice(start,length)：从队列中start开始删除length个文件， 返回被删除的文件列表
start() 开始上传
stop()停止上传
unbind(name, function): 接触事件绑定
unbindAll()解绑所有事件
属性集...
转：postfix安装Q&A - 更多技术 - 清泛网 - 专注C/C++及内核技术
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QUOTE:
Q：
[root@mail postfix]# /usr/sbin/postfix start
postfix/postfix-script: warning: not owned by postfix: /var/spool/postfix/hold
postsuper: fatal: scan_dir_push: open directory hold: Permission denied
postfix/postfix-script: fatal: Postfix integrity check fail...
Can enums be subclassed to add new elements?
...ilar processing. If we have operation with many elements, then some events starts operation, some are just step and other end the operation. To gather such operation and avoid long switch case we can group them as in example and use:
if(myEvent.is(State_StatusGroup.START)) makeNewOperationObject()....
How do I set environment variables from Java?
...is for subprocesses using ProcessBuilder . I have several subprocesses to start, though, so I'd rather modify the current process's environment and let the subprocesses inherit it.
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Android accelerometer accuracy (Inertial navigation)
...w of the panorama. If you point the camera too far down (for instance) it starts beeping and showing an up arrow to tell you you need to move it back up.
– Tom
Jun 14 '13 at 11:39
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How to shut down the computer from C#
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Works starting with windows XP, not available in win 2000 or lower:
This is the quickest way to do it:
Process.Start("shutdown","/s /t 0");
Otherwise use P/Invoke or WMI like others have said.
Edit: how to avoid creating a...
Restful API service
...ceiver and IntentService.
This Service + ResultReceiver pattern works by starting or binding to the service with startService() when you want to do some action. You can specify the operation to perform and pass in your ResultReceiver (the activity) through the extras in the Intent.
In the service...
How to jump to a particular line in a huge text file?
... OK, after I jumped there how would I process then line-by-line starting from this position?
– user63503
Mar 6 '09 at 22:08
9
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jQuery scroll() detect when user stops scrolling
...s the "at_begin" flag. Here I've shown how to execute code both at "scroll start" and "scroll finish".
Using Lodash
As suggested by Barry P, jsFiddle, underscore or lodash also have a debounce, each with slightly different apis.
$(window).scroll(_.debounce(function(){
$('#scrollMsg').html('SC...
Difference between BeautifulSoup and Scrapy crawler?
...py is a Web-spider or web scraper framework, You give Scrapy a root URL to start crawling, then you can specify constraints on how many (number of) URLs you want to crawl and fetch,etc. It is a complete framework for web-scraping or crawling.
While
BeautifulSoup is a parsing library which also doe...