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How to use double or single brackets, parentheses, curly braces

... shell builtins. The double bracket, which is a shell keyword, enables additional functionality. For example, you can use && and || instead of -a and -o and there's a regular expression matching operator =~. Also, in a simple test, double square brackets seem to evaluate quite a lot quicke...
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onKeyPress Vs. onKeyUp and onKeyDown

...follow | edited Mar 14 at 10:57 Mike B. 9,7541717 gold badges6868 silver badges108108 bronze badges ...
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Priority queue in .Net [closed]

I am looking for a .NET implementation of a priority queue or heap data structure 14 Answers ...
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NodeJS - What does “socket hang up” actually mean?

I'm building a web scraper with Node and Cheerio, and for a certain website I'm getting the following error (it only happens on this one website, no others that I try to scrape. ...
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Javascript fuzzy search that makes sense

...to modify Levenshtein-Demerau, you might be better to try a different algorithm or combine/ weight the results from two algorithms. It strikes me that exact or close matches to the "starting prefix" are something Levenshtein-Demerau gives no particular weight to -- but your apparent user expectatio...
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rsync error: failed to set times on “/foo/bar”: Operation not permitted

I'm getting a confusing error from rsync and the initial things I'm finding from web searches (as well as all the usual chmod'ing) are not solving it: ...
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Should Gemfile.lock be included in .gitignore?

I'm sort of new to bundler and the files it generates. I have a copy of a git repo from GitHub that is being contributed to by many people so I was surprised to find that bundler created a file that didn't exist in the repo and wasn't in the .gitignore list. ...
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Understand the “Decorator Pattern” with a real world example

...tor pattern achieves a single objective of dynamically adding responsibilities to any object. Consider a case of a pizza shop. In the pizza shop they will sell few pizza varieties and they will also provide toppings in the menu. Now imagine a situation wherein if the pizza shop has to provide pr...
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Compare floats in php

... If you do it like this they should be the same. But note that a characteristic of floating-point values is that calculations which seem to result in the same value do not need to actually be identical. So if $a is a literal .17 and $b ...
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How to use ng-repeat without an html element

...n's answer. Otherwise, how about putting the ng-repeat on tbody? (AFAIK, it is okay to have multiple <tbody>s in a single table.) <tbody ng-repeat="row in array"> <tr ng-repeat="item in row"> <td>{{item}}</td> </tr> </tbody> ...