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If my interface must return Task what is the best way to have a no-operation implementation?
...rom its method (and for argument's sake can't be changed). If LazyBar s implementation is unusual in that it happens to run quickly and synchronously - what is the best way to return a No-Operation task from the method?
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如何高效的学习掌握新技术 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...也开阔了很多。
回想编程生涯这些年，2001年开始学习Asp，2002年学习Javascript，2003年学习Asp.Net/C#，2009年学习Objective-C，2013年又跳到前端这个大坑，从Nodejs到 jQuery到 Angularjs到现在的 React。这一路学来，走过一些弯路，也积累了...
How to do joins in LINQ on multiple fields in single join
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The solution with the anonymous type should work fine. LINQ can only represent equijoins (with join clauses, anyway), and indeed that's what you've said you want to express anyway based on your original query.
If you don't like the version with the anonymous...
How do I alias commands in git?
...--global alias.st status
On unix, use single quotes if the alias has a space:
$ git config --global alias.ci 'commit -v'
On windows, use double quotes if the alias has a space or a command line argument:
c:\dev> git config --global alias.ci "commit -v"
The alias command even accepts func...
Can you connect to Amazon ElastiСache Redis outside of Amazon?
I'm able to connect to an ElastiCache Redis instance in a VPC from EC2 instances . But I would like to know if there is a way to connect to an ElastiCache Redis node outside of Amazon EC2 instances, such as from my local dev setup or VPS instances provided by other vendors.
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How to run Unix shell script from Java code?
It is quite simple to run a Unix command from Java.
17 Answers
17
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How do I parse a string to a float or int?
In Python, how can I parse a numeric string like "545.2222" to its corresponding float value, 545.2222 ? Or parse the string "31" to an integer, 31 ?
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Format date and time in a Windows batch script
In a Windows (Windows XP) batch script I need to format the current date and time for later use in files names, etc.
33 An...
How to reverse a string in Go?
How can we reverse a simple string in Go?
27 Answers
27
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JSON to pandas DataFrame
What I am trying to do is extract elevation data from a google maps API along a path specified by latitude and longitude coordinates as follows:
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