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What's the best way to join on the same table twice?

...a fan of natural keys and this is a great example why. Natural keys, especially things like phone numbers, can change and frequently so. Updating your database when that change happens will be a HUGE, error-prone headache. * Method 1 as you describe it is your best bet though. It looks a bit terse ...
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Do fragments really need an empty constructor?

... Yes they do. You shouldn't really be overriding the constructor anyway. You should have a newInstance() static method defined and pass any parameters via arguments (bundle) For example: public static final MyFragment newInstance(int title, String messa...
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MySQL Select Date Equal to Today

... interval was wrong too >.< The downvotes were not that absurd after all. – RandomSeed Oct 21 '15 at 10:17 This ...
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new DateTime() vs default(DateTime)

...al. default(), for any value type (DateTime is a value type) will always call the parameterless constructor. share | improve this answer | follow | ...
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jQuery duplicate DIV into another DIV

...matched elements, meaning that it copies the matched elements as well as all of their descendant elements and text nodes. When used in conjunction with one of the insertion methods, .clone() is a convenient way to duplicate elements on a page. ...
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How do I verify jQuery AJAX events with Jasmine?

...s that fake the AJAX request (using Jasmine's spies), enabling you to test all of your code that runs just before the AJAX request, and just afterwards. You can even use Jasmine to fake a response from the server. These tests would be faster - and they would not need to handle asynchronous behaviour...
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Why “decimal” is not a valid attribute parameter type?

It is really unbelievable but real. This code will not work: 3 Answers 3 ...
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Use JSTL forEach loop's varStatus as an ID

... Its really helped me to dynamically generate ids of showDetailItem for the below code. <af:forEach id="fe1" items="#{viewScope.bean.tranTypeList}" var="ttf" varStatus="ttfVs" > <af:showDetailItem id ="divIDNo${ttfVs.cou...
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How to replace a whole line with sed?

... Michael J. Barber, g replace all the instance of regexp with replacement – A-IV Mar 28 '17 at 19:06 ...
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Rails mapping array of hashes onto single hash

...ARAM1"=>"testVAL1"} Reducing an array sort of like sticking a method call between each element of it. For example [1, 2, 3].reduce(0, :+) is like saying 0 + 1 + 2 + 3 and gives 6. In our case we do something similar, but with the merge function, which merges two hashes. [{:a => 1}, {:b =...