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Git - Undo pushed commits

...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 the changes and com...
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Is there a performance impact when calling ToList()?

...uge list, copying chunks of memory is quite a fast operation to perform. Handy tip, As vs To You'll notice in LINQ there are several methods that start with As (such as AsEnumerable()) and To (such as ToList()). The methods that start with To require a conversion like above (ie. may impact perform...
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What are the relationships between Any, AnyVal, AnyRef, Object and how do they map when used in Java

... I'll disagree with Chris's answer in one regard. The classes Any, AnyRef and AnyVal are classes. But they don't appear as classes in bytecode, because of intrinsic limitations of the JVM. This arises out of the fact that not everything in Java is an object. In addition to objects, there are primi...
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How to parse a string to an int in C++?

...at's the C++ way of parsing a string (given as char *) into an int? Robust and clear error handling is a plus (instead of returning zero ). ...
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Internet Explorer 11 detection

...t && !!document.documentMode; // true on IE11 // false on Edge and other IEs/browsers. Original Answer In order to check Ie11 , you can use this : ( tested) (or run this) !(window.ActiveXObject) && "ActiveXObject" in window I have all VMS of IE : Notice : this w...
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How do you truncate all tables in a database using TSQL?

... EXEC sp_MSForEachTable 'TRUNCATE TABLE ?' Couple more links for 2000 and 2005/2008.. share | improve this answer | follow | ...
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How does the HyperLogLog algorithm work?

I've been learning about different algorithms in my spare time recently, and one that I came across which appears to be very interesting is called the HyperLogLog algorithm - which estimates how many unique items are in a list. ...
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What is output buffering?

What is output buffering and why is one using it in PHP? 7 Answers 7 ...
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Best Practice for Exception Handling in a Windows Forms Application?

...ication. I've read a few C# books now so I've got a relatively good understanding of what language features C# has to deal with exceptions. They're all quite theoretical however so what I haven't got yet is a feel for how to translate the basic concepts into a good exception-handling model in my app...
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Difference between attr_accessor and attr_accessible

In Rails, what is the difference between attr_accessor and attr_accessible ? From my understanding, using attr_accessor is used to create getter and setter methods for that variable, so that we can access the variable like Object.variable or Object.variable = some_value . ...