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Oracle Differences between NVL and Coalesce

Are there non obvious differences between NVL and Coalesce in Oracle? 8 Answers 8 ...
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Most efficient way to remove special characters from string

...Regular expression: 294.4 ms. Edit 2: I added the distinction between A-Z and a-z in the code above. (I reran the performance test, and there is no noticable difference.) Edit 3: I tested the lookup+char[] solution, and it runs in about 13 ms. The price to pay is, of course, the initialization of...
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Code First: Independent associations vs. Foreign key associations?

...ve a mental debate with myself every time I start working on a new project and I am designing my POCOs. I have seen many tutorials/code samples that seem to favor foreign key associations : ...
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Android Whatsapp/Chat Examples [closed]

Does anybody have an example or a tutorial for a Android application like WhatsApp ? I want to understand how WhatsApp works and how it is programmed. ...
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In .NET, which loop runs faster, 'for' or 'foreach'?

...hrough a list with foreach than it does to loop through an array with for, and you're calling that insignificant? That kind of a performance difference might matter for your application, and it might not, but I wouldn't just dismiss it out of hand. – Robert Harvey ...
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Clean up a fork and restart it from the upstream

I have forked a repository, then I made some changes and it looks like I've messed up everything. 4 Answers ...
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Compare two objects' properties to find differences?

I have two objects of the same type, and I want to loop through the public properties on each of them and alert the user about which properties don't match. ...
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Create web service proxy in Visual Studio from a WSDL file

... Try using WSDL.exe and then including the generated file (.cs) into your project. Fire up the Visual Studio Command prompt (under visual studio/tools in the start menu) then type >wsdl.exe [path To Your WSDL File] That'll spit out a file...
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How to tell whether a point is to the right or left side of a line

...o separate them into 2 distinct sets. To do this, I choose two points ( a and b ) and draw an imaginary line between them. Now I want to have all points that are left from this line in one set and those that are right from this line in the other set. ...
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Unable to export Apple production push SSL certificate in .p12 format

...o private key was created for the certificate. When I tried to right click and export the certificate, I was not able to export that as .p12 file as the .p12 file extension was disabled while saving. I am unable to attach the screenshots here due to lesser reputation. ...