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Is it expensive to use try-catch blocks even if an exception is never thrown?
...ght and code continue to execute afterwards in the same method, it is more difficult to reason about optimizations that can be made, so they are less likely to happen. (Someone would have to program the compiler to do them, reason about and guarantee correctness, etc. It'd be a big pain for somethin...
What's the difference between @Component, @Repository & @Service annotations in Spring?
...s for pointcuts. @Repository, @Service, and
@Controller can also carry additional semantics in future releases of
the Spring Framework. Thus, if you are choosing between using
@Component or @Service for your service layer, @Service is clearly the
better choice. Similarly, as stated earlier, ...
Mock functions in Go
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edited Sep 23 at 9:51
Stéphane Bruckert
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How is AngularJS different from jQuery
...DOM elements.
If you only focus on DOM elements and no Data CRUD, like building a website not web application, jQuery is the one of the top tools. (You can use AngularJS for this purpose as well.)
AngularJS is a framework. It has following features
Two way data binding
MVW pattern (MVC-ish)
Temp...
Why are static variables considered evil?
...using static variables, it could be in any state - and anything could be modifying it.
I could go on for quite a while, but the bigger concept to think about is that the tighter the scope of something, the easier it is to reason about. We're good at thinking about small things, but it's hard to rea...
Does “untyped” also mean “dynamically typed” in the academic CS world?
I'm reading a slide deck that states "JavaScript is untyped." This contradicted what I thought to be true so I started digging to try and learn more.
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Constructor function vs Factory functions
Can someone clarify the difference between a constructor function and a factory function in Javascript.
7 Answers
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Significant new inventions in computing since 1980
This question arose from comments about different kinds of progress in computing over the last 50 years or so.
129 Answer...
How do I use vimdiff to resolve a git merge conflict?
...ix conflicts and then commit the result. Now I ran git mergetool and vimdiff opened with the image below. I don't know how to use vimdiff. What does each panel here mean and how should I proceed to fix the merge conflict?
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How to paste yanked text into the Vim command line
...f what you can do with registers. What you can do with registers is extraordinary, and once you know how to use them you cannot live without them.
Registers are basically storage locations for strings. Vim has many registers that work in different ways:
0 (yank register: when you use y in normal ...