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Why does typeof array with objects return “object” and not “array”? [duplicate]
Why is an array of objects considered an object, and not an array? For example:
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Get selected value in dropdown list using JavaScript
How do I get the selected value from a dropdown list using JavaScript?
28 Answers
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In an array of objects, fastest way to find the index of an object whose attributes match a search
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Maybe you would like to use higher-order functions such as "map".
Assuming you want search by 'field' attribute:
var elementPos = array.map(function(x) {return x.id; }).indexOf(idYourAreLookingFor);
var objectFound = array[elementPos];
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How to compute the sum and average of elements in an array?
I am having problems adding all the elements of an array as well as averaging them out. How would I do this and implement it with the code I currently have? The elements are supposed to be defined as I have it below.
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Rolling median algorithm in C
I am currently working on an algorithm to implement a rolling median filter (analogous to a rolling mean filter) in C. From my search of the literature, there appear to be two reasonably efficient ways to do it. The first is to sort the initial window of values, then perform a binary search to inser...
.gitignore for Visual Studio Projects and Solutions
...gitignore templates".
The .gitignore for Visual Studio can be found here:
https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
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What are queues in jQuery?
I found the jQuery.com document on queue() / dequeue() is too simple to understand. What exactly are queues in jQuery? How should I use them?
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T-SQL split string
...erformance.com/2012/08/t-sql-queries/splitting-strings-now-with-less-t-sql
https://sqlblog.org/2010/07/07/splitting-a-list-of-integers-another-roundup
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Markdown to create pages and table of contents?
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MultiMarkdown Composer does seem to generate a table of contents to assist while editing.
There might also be the one or the other library, who can generate TOCs: see Python Markdown TOC Extension.
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Linux command to list all available commands and aliases
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You can use the bash(1) built-in compgen
compgen -c will list all the commands you could run.
compgen -a will list all the aliases you could run.
compgen -b will list all the built-ins you could run.
compgen -k will list all the keywords you could run.
compge...