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Learning Ruby on Rails
...dation.
– the Tin Man
Nov 27 '10 at 3:18
I added Rails Guides at the top because that's the best place to get started ...
What is the difference between a dialog being dismissed or canceled in Android?
...wered Dec 6 '10 at 16:09
hotshot309hotshot309
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CSS Pseudo-classes with inline styles
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answered Mar 13 '11 at 23:37
BoltClock♦BoltClock
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The “backspace” escape character '\b': unexpected behavior?
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T.J. CrowderT.J. Crowder
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What is the difference between location list and quickfix list in vim
...l to the current window so you can have as many location lists as windows: 30 windows? No problem, here are your 30 concurrent location lists.
The quickfix list is global so you can't have more than one available at a time. There are commands that allow you to replace the current quickfix list with...
Linux进程与线程总结 [推荐] - C/C++ - 清泛网 - 专注C/C++及内核技术
...交流则采用IPC通信的方式，后续会进行详细的介绍。
1.3．Linux进程与线程的比较
进程和线程都是任务并发处理的途径，那么它们之间到底有何区别呢，下面从几个方面分别进行比较：
进程
线程
内存空间
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How to access pandas groupby dataframe by key
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In [21]: gb.get_group('foo')
Out[21]:
A B C
0 foo 1.624345 5
2 foo -0.528172 11
4 foo 0.865408 14
Note: This doesn't require creating an intermediary dictionary / copy of every subdataframe for every group, so will be much more memory-efficient that creating the naive di...
EditText, clear focus on touch outside
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edited Jan 12 '12 at 18:53
answered Jan 7 '12 at 1:08
KenK...
Where are shared preferences stored?
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SharedPreferences are stored in an xml file in the app data folder, i.e.
/data/data/YOUR_PACKAG...
一分钟读懂低功耗蓝牙(BLE) MTU交换数据包 - 创客硬件开发 - 清泛IT社区，...
...设备发出一个150个字节的MTU请求，但是从设备回应MTU是23字节，那么今后双方要以较小的值23字节作为以后的MTU），主从双方约定每次在做数据传输时不超过这个最大数据单元。
MTU交换通常发生在主从双方建立连接关...