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Single Page Application: advantages and disadvantages [closed]

I've read about SPA and it advantages. I find most of them unconvincing. There are 3 advantages that arouse my doubts. 11 A...
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sprintf like functionality in Python

I would like to create a string buffer to do lots of processing, format and finally write the buffer in a text file using a C-style sprintf functionality in Python. Because of conditional statements, I can’t write them directly to the file. ...
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What is the 'new' keyword in JavaScript?

The new keyword in JavaScript can be quite confusing when it is first encountered, as people tend to think that JavaScript is not an object-oriented programming language. ...
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What's the difference between a catalog and a schema in a relational database?

I used to think schema were the "upper wrapper" object before the database itself. I mean DB.schema.<what_ever_object_name_under_schema> . ...
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Extracting bits with a single multiplication

I saw an interesting technique used in an answer to another question , and would like to understand it a little better. ...
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What is function overloading and overriding in php?

In PHP, what do you mean by function overloading and function overriding. and what is the difference between both of them? couldn't figure out what is the difference between them. ...
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Difference between final and effectively final

I'm playing with lambdas in Java 8 and I came across warning local variables referenced from a lambda expression must be final or effectively final . I know that when I use variables inside anonymous class they must be final in outer class, but still - what is the difference between final and ef...
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How do I get the result of a command in a variable in windows?

I'm looking to get the result of a command as a variable in a Windows batch script (see how to get the result of a command in bash for the bash scripting equivalent). A solution that will work in a .bat file is preferred, but other common windows scripting solutions are also welcome. ...
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Can overridden methods differ in return type?

Can overridden methods have different return types ? 12 Answers 12 ...
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How do I generate a stream from a string?

I need to write a unit test for a method that takes a stream which comes from a text file. I would like to do do something like this: ...