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Why is lazy evaluation useful?

... afraid I'd disagree with this answer. I used to think that laziness was about efficiency, but having used Haskell a substantial amount, and then switching to Scala and comparing the experience, I'd have to say that laziness matters often but rarely because of efficiency. I think Edward Kmett hits o...
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Type.GetType(“namespace.a.b.ClassName”) returns null

... You can also get the type without assembly qualified name but with the dll name also, for example: Type myClassType = Type.GetType("TypeName,DllName"); I had the same situation and it worked for me. I needed an object of type "DataModel.QueueObject" an...
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Format Float to n decimal places

.... float f = 12.345f; DecimalFormat df = new DecimalFormat("#.00"); System.out.println(df.format(f)); The output of the print statement will be 12.35. Notice that it will round it for you. share | ...
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The opposite of Intersect()

...: var diff = after.Except(before); 'diff' contains 4, not 3,4. i.e. watch out for duplicate elements giving you unexpected results – Paul Ryland Aug 9 '13 at 0:09 ...
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Checkout another branch when there are uncommitted changes on the current branch

Most of the time when I try to checkout another existing branch, Git doesn't allow me if I have some uncommitted changes on the current branch. So I'll have to commit or stash those changes first. ...
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C compile error: “Variable-sized object may not be initialized”

... I can use for this purpose malloc as well, what about the second question, I wrote it after Pavel's reply – helloWorld Jun 21 '10 at 8:10 ...
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Is there any performance reason to declare method parameters final in Java?

...riables though...but a good compiler/runtime should be able to figure that out without final anyway... – John Gardner Nov 5 '08 at 22:57 9 ...
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MSBUILD : error MSB1008: Only one project can be specified

... It turns out the trailing slash in the PublishDir property is escaping the end quote. Escaping the trailing slash solved my problem. /p:PublishDir="\\BSIIS3\c$\DATA\WEBSITES\benesys.net\benesys.net\TotalEducationTest\\" This way we...
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hexadecimal string to byte array in python

...o convert this Hex String into a byte array so that I can shift each value out and convert it into its proper data type. 8...
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How to change a django QueryDict to Python Dict?

... Two ways to find out, try it, or view the source. The answer is no: def dict(self): """ Returns current object as a dict with singular values. """ return dict((key, self[key]) for key in self) ...