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Removing duplicate rows in Notepad++
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answered Oct 18 '10 at 10:46
Colin PickardColin Pickard
42.2k1111 gold badges9191 silver badges142142 bronze badges
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How to generate a random alpha-numeric string?
...ed as a unique session/key identifier that would "likely" be unique over 500K+ generation (my needs don't really require anything much more sophisticated).
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Comparing two dataframes and getting the differences
...pby(list(df.columns))
get index of unique records
>>> idx = [x[0] for x in df_gpby.groups.values() if len(x) == 1]
filter
>>> df.reindex(idx)
Date Fruit Num Color
9 2013-11-25 Orange 8.6 Orange
8 2013-11-25 Apple 22.1 Red
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AES Encryption for an NSString on the iPhone
...encoding:NSUTF8StringEncoding] UTF8String]);
[pool drain];
return 0;
}
Given this code, and the fact that encrypted data will not always translate nicely into an NSString, it may be more convenient to write two methods that wrap the functionality you need, in forward and reverse...
- (NS...
Capitalize words in string [duplicate]
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disfateddisfated
9,1261212 gold badges3030 silver badges4646 bronze badges
4
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Unable to run app in Simulator: Xcode beta 6 iOS 8
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edited Oct 1 '14 at 0:19
Sam B
24.8k1414 gold badges7777 silver badges114114 bronze badges
answere...
App Inventor 2 里那十几个传感器，被问最多的9个问题一次说清 - App应用开...
...错？A: 绝大多数情况下不会崩溃，但数据会是空的或恒为0。App Inventor 2 的传感器组件在设计上都带有一个"可用状态"属性。以气压传感器 Barometer、湿度传感器 Hygrometer、温度传感器 Thermometer 为例，它们属于"物理环境...
How do you remove a specific revision in the git history?
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answered Aug 31 '08 at 23:46
garethmgarethm
2,1061717 silver badges2525 bronze badges
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Eclipse executable launcher error: Unable to locate companion shared library
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30
That sounds pretty bad and weird. But reinstalling isn't that hard - download, unzip, change the...
Error : The service is invalid
...o a Clean then Rebuild.
Disconnect, reconnect device.
Restart iOS device (90% of the time it fixes things)
If all else fails, restart your Mac (unlikely but it did fix an issue once for me).
share
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