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Should I use Java date and time classes or go with a 3rd party library like Joda Time?

... calculations. Then you don't have to familiarize yourself with an API of >100 classes, a different formatting/parsing mechanism etc. Of course, if you do need complete representation of different chronologies (e.g. Hebrew) or wish to be able to define your own imaginary Calendar system (e.g. f...
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How to define object in array in Mongoose schema correctly with 2d geo index

... // Validate fields body('book_id', 'book_id must not be empty.').isLength({ min: 1 }).trim(), body('req_addr', 'req_addr must not be empty.').isLength({ min: 1 }).trim(), body('new_contract_addr', 'contract_addr must not be empty.').isLength({ min: 1 }).trim(), body('tx_addr', 'tx_a...
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Why is it necessary to set the prototype constructor?

...Student("trinth"); console.log(student1.copy() instanceof Student); // => false The copy is not an instance of Student. This is because (without explicit checks), we'd have no way to return a Student copy from the "base" class. We can only return a Person. However, if we had reset the constru...
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How do CDI and EJB compare? interact?

... It is currently indeed a bit confusing as there are now multiple component models in Java EE. They are CDI, EJB3 and JSF Managed Beans. CDI is the new kid on the block. CDI beans feature dependency injection, scoping and an event bus. CDI beans are the most flexible with respect to...
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Accessing inactive union member and undefined behavior?

...dited Jul 24 '13 at 0:58 Ben Voigt 254k3535 gold badges366366 silver badges651651 bronze badges answered Aug 16 '12 at 23:41 ...
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How do you track record relations in NoSQL?

...geid": "unique value", "post-time": "ISO Date", "userid": "OP id -> THIS IS IMPORTANT" } "page": { "pageid": "unique value", "post-time": "ISO Date", "op-id": "user id", "tag": ["abc", "zxcv", "qwer"] } Well in a relational database the normal thing to do would be in a ...
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How to encrypt String in Java

...ile AES 128 works in 128 blocks. All in all, AES 128 is considered secure although some weaknesses have been discovered, but 256 is as solid as it gets. Fun fact DES was broken by the NSA back when it was initially founded and actually kept a secret for a few years. Although some people still claim...
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C++ IDE for Linux? [closed]

...cursor or several different shortcuts (depending on the platform). The key gt (type g, then t in command mode) should work everywhere, and jumps to the next tab, or tab no. n if a number was given. Type :help gt to get more help.
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Do I need dependency injection in NodeJS, or how to deal with …?

...pattern, it's not necessary to perform constructor or property injection. Although you still can. The great thing about JS is that you can modify just about anything to achieve what you want. This comes in handy when it comes to testing. Behold my very lame contrived example. MyClass.js: var fs ...
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Xamarin 2.0 vs Appcelerator Titanium vs PhoneGap [duplicate]

... application shell, and can be installed via the native app stores for multiple platforms. Additionally, PhoneGap strives to provide a common native API set which is typically unavailable to web applications, such as basic camera access, device contacts, and sensors not already exposed in th...