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Generating a UUID in Postgres for Insert statement?

My question is rather simple. I'm aware of the concept of a UUID and I want to generate one to refer to each 'item' from a 'store' in my DB with. Seems reasonable right? ...
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What's the syntax for mod in java

... Careful with the terms mod and modular because n (mod m) IS ALWAYS >= 0 but not n % m. n % m is in the range > -m and < m. Although Java has a remainder operator for int and long types, it has no modulus function or operator. I.e., -12 % 10 = ...
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Comparison between Mockito vs JMockit - why is Mockito voted better than JMockit? [closed]

I'm investigating which mocking framework to use for my project and have narrowed it down to JMockit and Mockito . 5 An...
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What do the f and t commands do in Vim?

Can somebody explain to me what the f and t commands do in vim and exactly how they work? I can't seem to find this information but people keep telling me that they are very useful. Would really appreciate an answer with an example if possible, thanks! ...
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How to export query result to csv in Oracle SQL Developer?

...wn as Method 1 below: Method 1 Add the comment /*csv*/ to your SQL query and run the query as a script (using F5 or the 2nd execution button on the worksheet toolbar) That's it. Method 2 Run a query Right click and select unload. Update. In Sql Developer Version 3.0.04 unload has been ch...
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std::string to char*

... The answer is bulky, inelegant, non-local, uses raw arrays, and requires attention to exception safety. vector was invented precisely as a wrapper for dynamic arrays, so not using it seems like a missed opportunity at best, and in violation of the spirit of C++ at worst. ...
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Hidden Features of Xcode

...h a huge influx of newbies to Xcode, I'm sure there are lots of Xcode tips and tricks to be shared. 89 Answers ...
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How to fix Error: “Could not find schema information for the attribute/element” by creating schema

I have a windows forms application written in VS2010 with C# and get the following errors in the app.config file: 10 Answ...
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RESTful Services - WSDL Equivalent

I have been reading about REST and SOAP, and understand why implementing REST can be beneficial over using a SOAP protocol. However, I still don't understand why there isn't the "WSDL" equivalent in the REST world. I have seen posts saying there is "no need" for the WSDL or that it would be redund...
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JUnit confusion: use 'extends TestCase' or '@Test'?

...) of JUnit very confusing. This question serves both as a future reference and as a real question. 5 Answers ...