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Difference between Fact table and Dimension table?

...this out to see an alternative view on the star schema model Inmon vs. Kimball. Kimbal has a good forum you may also want to check out here: Kimball Forum. Edit: To answer comment about examples for 4NF: Example for a fact table violating 4NF: Sales Fact (ID, BranchID, SalesPersonID, ItemID, Am...
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Why would someone use WHERE 1=1 AND in a SQL clause?

...out whether you have one or more than one condition. You can generate them all like: and <condition> and concatenate them all together. With the 1=1 at the start, the initial and has something to associate with. I've never seen this used for any kind of injection protection, as you say it ...
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How do I use jQuery's form.serialize but exclude empty fields

...tween #myForm and :input as it is the descendant operator. :input matches all input, textarea, select and button elements. [value!=''] is an attribute not equal filter. The weird (and helpful) thing is that all :input element types have value attributes even selects and checkboxes etc. Finally to...
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NUnit isn't running Visual Studio 2010 code

... VS2008 solution in the VS2010 beta. Once the conversion finished I opened all the projects and changed the target framework setting for all the projects to ".NET Framework 4.0". I then built the solution without any errors. I can now use the NUnit GUI app to run tests built for .NET 4.0. I've not d...
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How to compare two Dates without the time portion?

...stance().compare(first, second); ("Use Joda Time" is the basis of almost all SO questions which ask about java.util.Date or java.util.Calendar. It's a thoroughly superior API. If you're doing anything significant with dates/times, you should really use it if you possibly can.) If you're absolutel...
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Why does this C++ snippet compile (non-void function does not return a value) [duplicate]

...means that the compiler is not obligated provide an error nor a warning usually because it can be difficult to diagnose in all cases. We can see this from the definition of undefined behavior in the draft standard in section 1.3.24 which says: [...]Permissible undefined behavior ranges from igno...
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Export CSS changes from inspector (webkit, firebug, etc)

...mber" link next to the CSS rules. The CSS file that shows up will contain all of the modifications. This place exactly: share | improve this answer | follow ...
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CHECK constraint in MySQL is not working

...ySQL Reference Manual says: The CHECK clause is parsed but ignored by all storage engines. Try a trigger... mysql> delimiter // mysql> CREATE TRIGGER trig_sd_check BEFORE INSERT ON Customer -> FOR EACH ROW -> BEGIN -> IF NEW.SD<0 THEN -> SET NEW.SD=0;...
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Can Visual Studio 2012 be installed side-by-side w/ Visual Studio 2010?

...Visual Studio 2012 interfere/break .NET 4 and/or Visual Studio 2010 if installed side-by-side on the same instance of Windows? ...
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Java: how do I get a class literal from a generic type?

Typically, I've seen people use the class literal like this: 8 Answers 8 ...