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postgresql return 0 if returned value is null
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182
use coalesce
COALESCE(value [, ...])
The COALESCE function returns the first of its argume...
How do you compare two version Strings in Java?
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edited Jan 12 '15 at 15:35
Balder
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Can I automatically increment the file build version when using Visual Studio?
... AssemblyInfo.cs file and find these 2 lines:
[assembly: AssemblyVersion("1.0.0.0")]
[assembly: AssemblyFileVersion("1.0.0.0")]
You could try changing this to:
[assembly: AssemblyVersion("1.0.*")]
[assembly: AssemblyFileVersion("1.0.*")]
But this won't give you the desired result, you will end...
How to set versionName in APK filename using gradle?
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Dokan虚拟磁盘开发实战 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...了几天，发现只需要实现少数几个回调函数就可以了：
1.FindFiles: 在这个回调函数里可以实现从远程目录同步其下的所有目录及文件。当然也可以在OpenDirectory回调函数里做，但实际使用时我发现OpenDirectory调用太频繁，而FindFiles...
Is object empty? [duplicate]
...th: 0, custom_property: []}), // true
isEmpty("Hello"), // false
isEmpty([1,2,3]), // false
isEmpty({test: 1}), // false
isEmpty({length: 3, custom_property: [1,2,3]}) // false
If you only need to handle ECMAScript5 browsers, you can use Object.getOwnPropertyNames instead of the hasOwnProperty lo...
how do I work around log4net keeping changing publickeytoken
...ct which uses a couple of frameworks which is dependent on log4net version 1.2.10.0. Today I tried to include a new framework which is dependent on log4net version 1.2.11.0, I've been stuck ever since:
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Frequency table for a single variable
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153
Maybe .value_counts()?
>>> import pandas
>>> my_series = pandas.Series([1,2...