大约有 8,300 项符合查询结果(耗时:0.0238秒) [XML]
How can I check whether a option already exist in select by JQuery
...
This evaluates to true if it already exists:
$("#yourSelect option[value='yourValue']").length > 0;
share
|
improve this answer
|
...
What steps should I take to protect my Google Maps API Key?
I have obtained a Google Maps API key for my domain.
4 Answers
4
...
How to show the loading indicator in the top status bar
I have noticed that some apps like Safari and Mail show a loading indicator in the status bar (the bar at the very top of the phone) when they are accessing the network. Is there a way to do the same thing in SDK apps, or is this an Apple only thing?
...
SQL command to display history of queries
...d sql command history in my MYSQL Query Browser. What is the sql statement for displaying history?
7 Answers
...
Why does ('0' ? 'a' : 'b') behave different than ('0' == true ? 'a' : 'b') [duplicate]
Why is the result of the following two statements different?
6 Answers
6
...
Android应用内存泄露分析、改善经验总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...M降到低于20M;
手动触发GC后,通过adb shell dumpsys meminfo packagename -d查看Activity和View的数量也趋近于0了(没有做到归零是因为SDK中存在内存泄露,需要中间层去处理);
发现了一个SDK中的内存泄露(Android InputMethodManager 导...
The calling thread must be STA, because many UI components require this
I am using http://www.codeproject.com/KB/IP/Facebook_API.aspx
7 Answers
7
...
Is either GET or POST more secure than the other?
When comparing an HTTP GET to an HTTP POST, what are the differences from a security perspective? Is one of the choices inherently more secure than the other? If so, why?
...
Convert a timedelta to days, hours and minutes
I've got a timedelta. I want the days, hours and minutes from that - either as a tuple or a dictionary... I'm not fussed.
7...
How do I remove/delete a virtualenv?
I created an environment with the following command: virtualenv venv --distribute
16 Answers
...
