大约有 31,500 项符合查询结果(耗时:0.0473秒) [XML]

https://stackoverflow.com/ques... 

Python AttributeError: 'module' object has no attribute 'Serial' [duplicate]

...he class. So, you must write: from serial import Serial You need to install serial module correctly: pip install pyserial. share | improve this answer | follow ...
https://stackoverflow.com/ques... 

AngularJS : Prevent error $digest already in progress when calling $scope.$apply()

I'm finding that I need to update my page to my scope manually more and more since building an application in angular. 28 A...
https://stackoverflow.com/ques... 

Replace Fragment inside a ViewPager

...at ID in your code causes nothing to happen. I will explain why: First of all, to make ViewPager repopulate the pages, you need to call notifyDataSetChanged() that resides in the base class of your adapter. Second, ViewPager uses the getItemPosition() abstract method to check which pages should be...
https://stackoverflow.com/ques... 

How to get a list of user accounts using the command line in MySQL?

...RE user='someuser' and host='somehost'; If you do DELETE FROM mysql.user;, all users are gone. Logins after the next mysql restart or FLUSH PRIVILEGES; eliminate users from memory. Here is an example of one of my posts on doing DELETE FROM mysql.user responsibly : dba.stackexchange.com/questions/461...
https://stackoverflow.com/ques... 

Quickly create a large file on a Linux system

... it is slow for this purpose. In Linux (and other POSIX systems), we have fallocate, which uses the desired space without having to actually writing to it, works with most modern disk based file systems, very fast: For example: fallocate -l 10G gentoo_root.img ...
https://stackoverflow.com/ques... 

What's the best way to detect a 'touch screen' device using JavaScript?

...only covers a basic use case. Modernizr is a great, lightweight way to do all kinds of feature detection on any site. It simply adds classes to the html element for each feature. You can then target those features easily in CSS and JS. For example: html.touch div { width: 480px; } html.no-t...
https://stackoverflow.com/ques... 

jQuery UI sliders on touch devices

... Now I can move the slider-handle all over the page!! This is ridiculous. – dezman May 24 '13 at 15:17 ...
https://stackoverflow.com/ques... 

How can I clear the SQL Server query cache?

...CKPOINT; GO DBCC DROPCLEANBUFFERS; GO From the linked article: If all of the performance testing is conducted in SQL Server the best approach may be to issue a CHECKPOINT and then issue the DBCC DROPCLEANBUFFERS command. Although the CHECKPOINT process is an automatic internal system proce...
https://stackoverflow.com/ques... 

How do I merge changes to a single file, rather than merging commits?

...ch A. A simple command already solved the problem for me if I assume that all changes are committed in both branches A and B: git checkout A git checkout --patch B f The first command switches into branch A, into where I want to merge B's version of the file f. The second command patches the fi...
https://stackoverflow.com/ques... 

Anaconda vs. EPD Enthought vs. manual installation of Python [closed]

...ts / downsides of various Python bundles (EPD / Anaconda) vs. a manual install? 4 Answers ...