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How do I shutdown, restart, or log off Windows via a bat file?

I've been using Remote Desktop Connection to get into a workstation. But in this environment, I cannot use the power options in Start Menu. I need an alternative way to shutdown or restart. ...
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Converting from longitude\latitude to Cartesian coordinates

I have some earth-centered coordinate points given as latitude and longitude ( WGS-84 ). 9 Answers ...
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How many files can I put in a directory?

Does it matter how many files I keep in a single directory? If so, how many files in a directory is too many, and what are the impacts of having too many files? (This is on a Linux server.) ...
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How do I define a method which takes a lambda as a parameter in Java 8?

In Java 8, methods can be created as Lambda expressions and can be passed by reference (with a little work under the hood). There are plenty of examples online with lambdas being created and used with methods, but no examples of how to make a method taking a lambda as a parameter. What is the syntax...
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Git - Undo pushed commits

I have a project in a remote repository, synchronized with a local repository (development) and the server one (prod). I've been making some commited changes already pushed to remote and pulled from the server. Now, I want to undo those changes. So I could just git checkout to the commit before th...
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UnicodeDecodeError: 'ascii' codec can't decode byte 0xef in position 1

I'm having a few issues trying to encode a string to UTF-8. I've tried numerous things, including using string.encode('utf-8') and unicode(string) , but I get the error: ...
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Difference between “on-heap” and “off-heap”

Ehcache talks about on-heap and off-heap memory. What is the difference? What JVM args are used to configure them? 6 Answ...
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The performance impact of using instanceof in Java

I am working on an application and one design approach involves extremely heavy use of the instanceof operator. While I know that OO design generally tries to avoid using instanceof , that is a different story and this question is purely related to performance. I was wondering if there is any per...
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How to get the client IP address in PHP [duplicate]

How can I get the client IP address using PHP? 30 Answers 30 ...
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How to get the name of enumeration value in Swift?

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