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What is the difference between require_relative and require in Ruby?
...ing.
path must respond to to_str.
You can find the documentation at http://extensions.rubyforge.org/rdoc/classes/Kernel.html
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Javascript !instanceof If Statement
...rray)) {
//...
}
In this case, the order of precedence is important (https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Operators/Operator_Precedence). The ! operator precedes the instanceof operator.
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Checking if a string can be converted to float in Python
I've got some Python code that runs through a list of strings and converts them to integers or floating point numbers if possible. Doing this for integers is pretty easy
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What columns generally make good indexes?
As a follow up to " What are indexes and how can I use them to optimise queries in my database? " where I am attempting to learn about indexes, what columns are good index candidates? Specifically for an MS SQL database?
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Minimum and maximum date
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How does git compute file hashes?
...0Hello, World!' | shasum
8ab686eafeb1f44702738c8b0f24f2567c36da6d
Source: http://alblue.bandlem.com/2011/08/git-tip-of-week-objects.html
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How to change value of process.env.PORT in node.js?
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You can use cross platform solution https://www.npmjs.com/package/cross-env
$ cross-env PORT=1234
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What is Haskell used for in the real world? [closed]
...eed to consider advantages of functional programming languages (taken from https://c2.com/cgi/wiki?AdvantagesOfFunctionalProgramming):
Functional programs tend to be much more terse than their ImperativeLanguage counterparts. Often this leads to enhanced
programmer productivity
FP encoura...
When is the finalize() method called in Java?
...d
finalize() is never run more than once on any object
quoted from: http://www.janeg.ca/scjp/gc/finalize.html
You could also check this article:
Object finalization and cleanup
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How do I get the function name inside a function in PHP?
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