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Understanding how recursive functions work
As the title explains I have a very fundamental programming question which I have just not been able to grok yet. Filtering out all of the (extremely clever) "In order to understand recursion, you must first understand recursion." replies from various online threads I still am not quite getting it....
Redirecting to previous page after authentication in node.js using passport.js
I'm trying to establish a login mechanism using node.js, express and passport.js. The Login itself works quite nice, also sessions are stored nicely with redis but I do have some troubles with redirecting the user to where he started from before being prompted to authenticate.
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Javascript trick for 'paste as plain text` in execCommand
I have a basic editor based on execCommand following the sample introduced here. There are three ways to paste text within the execCommand area:
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What are the Ruby Gotchas a newbie should be warned about? [closed]
I have recently learned the Ruby programming language, and all in all it is a good language. But I was quite surprised to see that it was not as simple as I had expected. More precisely, the "rule of least-surprise" did not seem very respected to me (of course this is quite subjective). For examp...
Difference between “or” and || in Ruby? [duplicate]
What's the difference between the or and || operators in Ruby? Or is it just preference?
8 Answers
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How to read the value of a private field from a different class in Java?
I have a poorly designed class in a 3rd-party JAR and I need to access one of its private fields. For example,
why should I need to choose private field is it necessary?
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Functional design patterns [closed]
... functional idioms: monads, applicatives, arrows, etc. They are documented in different articles but unfortunately I don't know any book or article where they're summarized in one place (there is Typeclassopedia but it has a lot of areas that aren't covered well). Can anyone recommend an article/b...
Do I encode ampersands in ?
I'm writing code that automatically generates HTML, and I want it to encode things properly.
4 Answers
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How to log source file name and line number in Python
Is it possible to decorate/extend the python standard logging system, so that when a logging method is invoked it also logs the file and the line number where it was invoked or maybe the method that invoked it?
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How to gracefully handle the SIGKILL signal in Java
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It is impossible for any program, in any language, to handle a SIGKILL. This is so it is always possible to terminate a program, even if the program is buggy or malicious. But SIGKILL is not the only means for terminating a program. The other is to use a SIG...