大约有 47,000 项符合查询结果(耗时:0.0426秒) [XML]

https://stackoverflow.com/ques... 

Draw a perfect circle from user's touch

...cle" (from my understanding: make the drawn circle perfectly round, as we know no matter how stable we try to draw something with our finger on the screen, a circle is never really as rounded like a circle should be). ...
https://stackoverflow.com/ques... 

How to impose maxlength on textArea in HTML using JavaScript

... I know you want to avoid jQuery, but as the solution requires JavaScript, this solution (using jQuery 1.4) is the most consise and robust. Inspired by, but an improvement over Dana Woodman's answer: Changes from that answer a...
https://stackoverflow.com/ques... 

django change default runserver port

... I actually started using supervisor for this now, that makes it even easier to manage. :-) But yours is probably the cleanest solution other than writing a dedicated runserver script. – jonny May 29 '14 at 16:14 ...
https://stackoverflow.com/ques... 

How to delete an object by id with entity framework

...inactive for 2 years ctx.Users.Where(x => x.LastLoginDate < DateTime.Now.AddYears(-2)) .Delete(); It is also useful for bulk deletes. share | improve this answer | ...
https://stackoverflow.com/ques... 

Using -performSelector: vs. just calling the method

... performSelector is also useful to suppress compile warnings. If you know the method exists (like after using respondsToSelector), it will stop Xcode from saying "may not respond to your_selector". Just don't use it instead of finding out the real cause of the warning. ;) –...
https://stackoverflow.com/ques... 

Java Constructor Inheritance

I was wondering why in java constructors are not inherited? You know when you have a class like this: 10 Answers ...
https://stackoverflow.com/ques... 

How to make IPython notebook matplotlib plot inline

...I just tested your commands since it's been a while with updates and all. Now everything works fine on Python 2.7.9 and IPython 3.1.0. – Ian Fiske May 20 '15 at 20:05 ...
https://stackoverflow.com/ques... 

Tools for making latex tables in R [closed]

... res <- x res[oldx] <- NA return(res)} Now generate some fake data data<-data.frame(animal=sample(c("elephant", "dog", "cat", "fish", "snake"), 100,replace=TRUE), colour=sample(c("red", "blue", "green", "yellow"), 100,replace=TRUE), siz...
https://stackoverflow.com/ques... 

Bogus foreign key constraint fail

... On demand, now as an answer... When using MySQL Query Browser or phpMyAdmin, it appears that a new connection is opened for each query (bugs.mysql.com/bug.php?id=8280), making it neccessary to write all the drop statements in one query...
https://stackoverflow.com/ques... 

Android List View Drag and Drop sort

... I have been working on this for some time now. Tough to get right, and I don't claim I do, but I'm happy with it so far. My code and several demos can be found at https://github.com/bauerca/drag-sort-listview Its use is very similar to the TouchInterceptor (on wh...