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When to use references vs. pointers
...eral semantics of pointers versus references, but how should I decide when it is more-or-less appropriate to use references or pointers in an API?
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AngularJS and its use of Dollar Variables
...g on? So, if angular comes across $scope.$value and $scope.value , then it will avoid checking the former since it's prefixed with a dollar character in its variable name?
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Is BCrypt a good hashing algorithm to use in C#? Where can I find it? [closed]
... when hashing a password, many programmers recommend using the BCrypt algorithm.
2 Answers
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How do I determine whether my calculation of pi is accurate?
I was trying various methods to implement a program that gives the digits of pi sequentially. I tried the Taylor series method, but it proved to converge extremely slowly (when I compared my result with the online values after some time). Anyway, I am trying better algorithms.
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Are there any O(1/n) algorithms?
Are there any O(1/n) algorithms?
32 Answers
32
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How to convert a DOM node list to an array in Javascript?
I have a Javascript function that accepts a list of HTML nodes, but it expects a Javascript array (it runs some Array methods on that) and I want to feed it the output of Document.getElementsByTagName that returns a DOM node list.
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Why is there “data” and “newtype” in Haskell? [duplicate]
It seems that a newtype definition is just a data definition that obeys some restrictions (e.g., only one constructor), and that due to these restrictions the runtime system can handle newtype s more efficiently. And the handling of pattern matching for undefined values is slightly different.
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How to check if a service is running on Android?
...ield in the service class to toggle state, as described by hackbod here
EDIT (for the record):
Here is the solution proposed by hackbod:
If your client and server code is part of the same .apk and you are
binding to the service with a concrete Intent (one that specifies the
exact service...
Getting a map() to return a list in Python 3.x
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Do this:
list(map(chr,[66,53,0,94]))
In Python 3+, many processes that iterate over iterables return iterators themselves. In most cases, this ends up saving memory, and should make things go faster.
If all you're going to do is iterate over this list eventually, there's no need to even con...
What is the difference between exit and return? [duplicate]
What is difference between return and exit statement in C programming when called from anywhere in a C program?
4 Answers
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