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Where are shared preferences stored?
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243
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...
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...
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...
How to check whether a file is empty or not?
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361
>>> import os
>>> os.stat("file").st_size == 0
True
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Given final block not properly padded
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edited Apr 23 '16 at 17:23
Artjom B.
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What is the correct value for the disabled attribute?
...kup.
For HTML5, <input type="text" disabled /> is valid and used by W3C on their samples.
In fact, both ways works on all major browsers.
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Git push existing repo to a new and different remote repo server?
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edited Aug 11 '13 at 10:24
answered Mar 3 '11 at 14:23
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How to do a logical OR operation in shell scripting
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answered Nov 6 '10 at 2:03
Coding DistrictCoding District
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Capturing Ctrl-c in ruby
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133
The problem is that when a Ruby program ends, it does so by raising SystemExit. When a control...