大约有 47,000 项符合查询结果(耗时:0.0817秒) [XML]

https://stackoverflow.com/ques... 

Read only file system on Android

I recently rooted my Droid X and everything seems to be working perfectly. I made some changes to build.prop and when I do adb push build.prop /system/ I get the following error: failed to copy 'c:\build.prop' to '/system//build.prop': Read-only file system . ...
https://stackoverflow.com/ques... 

How can I get the source code of a Python function?

... tuple; tuple[0] is list of strings representing the lines of source code, and tuple[1] is the line number in the context of execution where it was run. In IPython; this is the line number within the cell not the overall notebook – The Red Pea Sep 23 '14 at 5:3...
https://stackoverflow.com/ques... 

How to detect when WIFI Connection has been established in Android?

...that a valid network connection for HTTP exists. What should I listen for and what additional tests do I need to make to know that a valid connection exists. ...
https://stackoverflow.com/ques... 

How can I return NULL from a generic method in C#?

...ce)) Restrict T to be a reference type with the where T : class constraint and then return null as normal share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

How can I get the iOS 7 default blue color programmatically?

I'm creating custom elements in my app and want to match the look and feel of the new iOS. iOS 7 introduced to us a very common lighter blue color, the default color or tint for several elements, including the system button, segmented control, etc. They've made it easy to select the color using IB, ...
https://stackoverflow.com/ques... 

How to convert local time string to UTC?

...igure out what the local timezone is, construct a timezone object from it, and manipulate and attach it to the naive datetime. Finally, use datetime.astimezone() method to convert the datetime to UTC. Source code, using local timezone "America/Los_Angeles", for the string "2001-2-3 10:11:12": imp...
https://stackoverflow.com/ques... 

Override Python's 'in' operator?

... Zoran, I agree, and I even upvoted this answer and not the other. I'm just pointing out that a truly good answer should always link to docs, if available. – Peter Hansen Aug 31 '12 at 21:55 ...
https://stackoverflow.com/ques... 

Using a ListAdapter to fill a LinearLayout inside a ScrollView layout

I'm facing a very common problem: I layed out an activity and now it turns out it should display a few items within this ScrollView . The normal way to do that would be to use the existing ListAdapter , connect it to a ListView and BOOM I'd have my list of items. ...
https://stackoverflow.com/ques... 

Ruby: Can I write multi-line string with no concatenation?

...n, in that case (although it might depend on both the starting indentation and your final needs). EDIT: Adding one more: p %{ SELECT * FROM users ORDER BY users.id DESC }.gsub(/\s+/, " ").strip # >> "SELECT * FROM users ORDER BY users.id DESC" ...
https://stackoverflow.com/ques... 

What is sys.maxint in Python 3?

I've been trying to find out how to represent a maximum integer, and I've read to use "sys.maxint" . However, in Python 3 when I call it I get: ...