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Why does parseInt yield NaN with Array#map?
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7 Answers
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Regular Expression: Any character that is NOT a letter or number
...ng str.replace(/[^\w]/);
It will replace all the non-alphabets and numbers from your string!
Edit 1: str.replace(/[^\w]/g, ' ')
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Testing service in Angular returns module is not defined
I am trying to run the default service unit test in my project (Taken from the Angular Seed project on GitHub), but I keep getting the error "module is not defined".
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Class JavaLaunchHelper is implemented in both … libinstrument.dylib. One of the two will be used. Wh
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Install Java 7u21 from: http://www.oracle.com/technetwork/java/javase/downloads/java-archive-downloads-javase7-521261.html#jdk-7u21-oth-JPR
Set these variables:
export JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.7.0_21.jdk/Contents/Home
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CodeIgniter - accessing $config variable in view
...ften I need to access $config variables in views.
I know I can pass them from controller to load->view() .
But it seems excessive to do it explicitly.
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Getting the last argument passed to a shell script
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@mcoolive: it even works in the unix v7 bourne shell from 1979. you can't get more portable if it runs on both v7 sh and POSIX sh :)
– Dominik R
Nov 22 '19 at 10:41
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Checking images for similarity with OpenCV
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This is a huge topic, with answers from 3 lines of code to entire research magazines.
I will outline the most common such techniques and their results.
Comparing histograms
One of the simplest & fastest methods. Proposed decades ago as a means to find pict...
Calling a function every 60 seconds
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In that case, how would you stop it from repeating after it had started repeating?
– Anderson Green
Nov 30 '12 at 23:32
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Converting string to title case
...lace(text, @"(?<!\S)\p{Ll}", m => m.Value.ToUpper());, but it is far from perfect. For example, it still doesn't handle quotes or parentheses - "(one two three)" -> "(one Two Three)". You may want to ask a new question after you figure out exactly what you want to do with these cases.
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Detect Safari using jQuery
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The following identifies Safari 3.0+ and distinguishes it from Chrome:
isSafari = !!navigator.userAgent.match(/Version\/[\d\.]+.*Safari/)
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