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What does the “yield” keyword do?
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Compare function to the original definition.
This trick may give you an idea of the logic behind the function, but what actually happens with yield is significantly different than what happens in the list based approach. In many cases, the yield approach will be a lot more memory efficient and fa...
When should I use Arrow functions in ECMAScript 6?
...very internal callback, naming all the public functions is probably a good idea.
Function declarations are hoisted, (meaning they can be accessed before they are declared), which is a useful attribute in a static utility function.
Object constructors
Attempting to instantiate an arrow function t...
Schema for a multilanguage database
...mpletely breakes any kind of testing.
Method 2:
In a nutshell: "Great" idea (warning - sarcasm), let's combine the disadvantages of method 3 (slow speed when many entries) with the rather horrible disadvantages of method 1.
The only advantage of this method is that you keep all translation in o...
Fastest way to iterate over all the chars in a String
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Any idea why "for (int i = 0; i < data.length(); i++)" is faster than defining data.length() as a final local variable?
– skyin
Nov 3 '14 at 16:15
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A monad is just a monoid in the category of endofunctors, what's the problem?
...re about that here: en.wikipedia.org/wiki/Cartesian_product, but the basic idea is that an element of S × T is a pair (s, t), where s ∈ S and t ∈ T. So the signature of the monoidal product • : S × S -> S in this context simply means a function that takes 2 elements of S as input and prod...
What is TypeScript and why would I use it in place of JavaScript? [closed]
...er environment for spotting common errors as you type the code.
To get an idea of what I mean, watch Microsoft's introductory video on the language.
For a large JavaScript project, adopting TypeScript might result in more robust software, while still being deployable where a regular JavaScript app...
Finding current executable's path without /proc/self/exe
...don't necessarily need to code for non-Unix systems but it would be a good idea to be aware of some of the peculiarities so you can write the code in such a way that it isn't as hard for someone to port later. Be aware that some systems (DEC VMS, DOS, URLs, etc.) might have drive names or other pre...
What's the difference between passing by reference vs. passing by value?
...y, to help clarify my answer and to ensure we're all referring to the same ideas when we are using words. (In practice, I believe the vast majority of confusion about topics such as these stems from using words in ways that to not fully communicate the meaning that was intended.)
To start, here's a...
How to choose an AES encryption mode (CBC ECB CTR OCB CFB)?
...u need more than one server things will get messy. So instead you have the idea to store the session data in a cookie on the client side. You will encrypt it of course so the user cannot read and manipulate the data. So what mode should you use? Coming here you read the top answer (sorry for singlin...
Unicode equivalents for \w and \b in Java regular expressions?
...boundary just in case. Plus this makes it more extensible if you get extra ideas later.)
For the \B non-boundaries, the logic is:
IF does follow word
THEN does precede word
ELSIF doesn't follow word
THEN doesn't precede word
Allowing all instances of \B to be replaced wit...