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How do you know what to test when writing unit tests? [closed]

... code, or a completely new feature. Start simple. Don’t go running off and trying to get your head round a testing framework as well as being TDD-esque. Debug.Assert works fine. Use it as a starting point. It doesn’t mess with your project or create dependencies. Start positive. Yo...
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When to use DataContract and DataMember attributes?

... Since a lot of programmers were overwhelmed with the [DataContract] and [DataMember] attributes, with .NET 3.5 SP1, Microsoft made the data contract serializer handle all classes - even without any of those attributes - much like the old XML serializer. So as of .NET 3.5 SP1, you don't have ...
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Must Dependency Injection come at the expense of Encapsulation?

If I understand correctly, the typical mechanism for Dependency Injection is to inject either through a class' constructor or through a public property (member) of the class. ...
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What is the difference between XMLHttpRequest, jQuery.ajax, jQuery.post, jQuery.get

...ody provide some examples to know the difference in terms of functionality and performance? 6 Answers ...
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What is the fastest way to compute sin and cos together?

I would like to compute both the sine and co-sine of a value together (for example to create a rotation matrix). Of course I could compute them separately one after another like a = cos(x); b = sin(x); , but I wonder if there is a faster way when needing both values. ...
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What's the difference between equal?, eql?, ===, and ==?

I am trying to understand the difference between these four methods. I know by default that == calls the method equal? which returns true when both operands refer to exactly the same object. ...
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Why does C++ compilation take so long?

Compiling a C++ file takes a very long time when compared to C# and Java. It takes significantly longer to compile a C++ file than it would to run a normal size Python script. I'm currently using VC++ but it's the same with any compiler. Why is this? ...
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Ruby : How to write a gem? [closed]

I'd like to write a package for Ruby and make it available as a gem. What are the tools, steps and pitfalls ? Are there any good tutorials, screencasts, etc., which helped you learning how to do it ? ...
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How to make junior programmers write tests? [closed]

... Sometimes one of the best ways to help junior level programmers 'get it' and learn the right techniques from the seniors is to do a bit of pair programming. Try this: on an upcoming project, pair the junior guy up with yourself or another senior programmer. They should work together, taking turn...
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Does Python support short-circuiting?

... Yep, both and and or operators short-circuit -- see the docs. share | improve this answer | follow ...