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Installed Ruby 1.9.3 with RVM but command line doesn't show ruby -v
...l, if it does not help then restart your computer.
install RVM:
\curl -L https://get.rvm.io |
bash -s stable --ruby --autolibs=enable --auto-dotfiles
If you find you need some hand-holding, take a look at Installing Ruby on Ubuntu 12.04, which gives a bit more explanation.
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Is Javascript compiled or an interpreted language? [closed]
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Go and read the answers to this question
https://softwareengineering.stackexchange.com/questions/138521/is-javascript-interpreted-by-design
The answer I accepted is excellent and should help answer your question.
For me personally, I am somewhat cautious of the id...
Accessing JSON object keys having spaces [duplicate]
...}
alert(test["No. of interfaces"]);
For more info read out here:
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Working_with_Objects
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How to download Xcode DMG or XIP file?
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You can find the DMGs or XIPs for Xcode and other development tools on https://developer.apple.com/download/more/ (requires Apple ID to login).
You must login to have a valid session before downloading anything below.
*(Newest on top. For each minor version (6.3, 5.1, etc.) only the latest revis...
require file as string
...t. YOu can use a compile-time tool to pack your files into a json, such as https://github.com/cancerberoSgx/fs-to-json
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Should I use “hasClass” before “addClass”? [duplicate]
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You can see at the source code : https://github.com/jquery/jquery/blob/master/src/attributes/classes.js#L38-L45 that they do check if the class exists when using addClass.
So there is no reason to use the .hasClass() in this case.. (an exception would be i...
Maven dependency spring-web vs spring-webmvc
... and mirrors the functionality of the Servlet-based spring-webmvc module.
https://docs.spring.io/spring/docs/4.3.22.RELEASE/spring-framework-reference/htmlsingle/#overview-web
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Access a variable outside the scope of a Handlebars.js each loop
... this topic.
I update it with this one, it is working in April 1st 2020:
https://handlebarsjs.com/guide/expressions.html#path-expressions
Some helpers like #with and #each allow you to dive into nested objects. When you include ../ segments into your path, Handlebars will change back into the par...
Detecting Windows or Linux? [duplicate]
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Useful simple class are forked by me on:
https://gist.github.com/kiuz/816e24aa787c2d102dd0
public class OSValidator {
private static String OS = System.getProperty("os.name").toLowerCase();
public static void main(String[] args) {
System.out.prin...
Strange behavior for Map, parseInt [duplicate]
...t('10', 3) // 3
parseInt('10', 4) // 4
Here's a link to MDN on parseInt: https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/parseInt.
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