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System.currentTimeMillis() vs. new Date() vs. Calendar.getInstance().getTime()

...ost efficient since it does not even create an object, but new Date() is really just a thin wrapper about a long, so it is not far behind. Calendar, on the other hand, is relatively slow and very complex, since it has to deal with the considerably complexity and all the oddities that are inherent to...
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Visual Studio 2012 - Intellisense sometimes disappearing / broken

...imes after working several hours the intellisense is broken. After closing all open tabs it works again. 21 Answers ...
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CSS styling in Django forms

...ling, if you need an unique identifier its better to use id. Second its usually the template side's responsobilty to do exaclty this, Esspecially if you are going to access this class via frontend methods (js, css). I didn't say your answer is wrong. In my opinion its just bad practice (esspecially ...
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.NET HashTable Vs Dictionary - Can the Dictionary be as fast?

...d people talking about the generic advantages of the Dictionary which I totally agree with, which leads the boxing and unboxing advantage for a slight performance gain. ...
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Where is SQL Server Management Studio 2012?

... SQL Server 2008 R2 and Visual Studio 2008 and 2010 on my laptop. I've installed SQL Server 2012 and have finally got SQL Server Data Tools to show up, so that I can create SSRS reports in Visual Studio 2010. ...
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Delegates: Predicate vs. Action vs. Func

... Predicate: essentially Func<T, bool>; asks the question "does the specified argument satisfy the condition represented by the delegate?" Used in things like List.FindAll. Action: Perform an action given the arguments. Very general purpos...
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ASP.NET 4.5 has not been registered on the Web server

...chine, and in order to use SQL Express instance instead of the localDB installed by default. I unchecked "Use IIS Express" in my MVC 4 project properties page (Web tab), then I got the following error: ...
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How to dynamically create a class?

...ou can modify GetTypeBuilder() method and change moduleBuilder.DefineType call to include the static type as the last parameter (is null now) – danijels Oct 5 '10 at 9:49 2 ...
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Mutable vs immutable objects

... were based upon mutable values. Those values changed outside the map and all of the hashing became obsolete. Theorists like to harp on this point, but in practice I haven't found it to be too much of an issue. Another aspect is the logical "reasonability" of your code. This is a hard term to def...
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How to put a UserControl into Visual Studio toolBox

...you've tagged the question as) I had problems getting them to add automatically to the toolbox as in VS2008/2005. There's actually an option to stop the toolbox auto populating! Go to Tools > Options > Windows Forms Designer > General At the bottom of the list you'll find Toolbox > Au...