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Object comparison in JavaScript [duplicate]

... Unfortunately there is no perfect way, unless you use _proto_ recursively and access all non-enumerable properties, but this works in Firefox only. So the best I can do is to guess usage scenarios. 1) Fast and limited. Works when you have simple JSON-style objects without methods and DOM nodes...
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How to generate a random number between a and b in Ruby?

To generate a random number between 3 and 10, for example, I use: rand(8) + 3 8 Answers ...
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How do I edit /etc/sudoers from a script?

...ripts in debian packages. thanks! Since this is always root, it gets short and handy: echo "$CONFIGLINE" | (EDITOR="tee -a" visudo) – Boris Däppen Jan 5 '16 at 16:05 ...
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javascript toISOString() ignores timezone offset [duplicate]

...The slice(0, -1) gets rid of the trailing Z which represents Zulu timezone and can be replaced by your own. share | improve this answer | follow | ...
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Redirect non-www to www in .htaccess

... ^(.*)$ http://www.%{HTTP_HOST}/$1 [R=301,L] If you need to support http and https and preserve the protocol choice try the following: RewriteRule ^login\$ https://www.%{HTTP_HOST}/login [R=301,L] Where you replace login with checkout.php or whatever URL you need to support HTTPS on. I'd argue...
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How to calculate an angle from three points? [closed]

... Only a handful of languages use a caret for 'power of', so if you don't want to call it arcos, please just type cos⁻¹. (If you're using a commercial operating system that makes it difficult to type exponents, I expect there would ...
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Compiling Java 7 code via Maven

...the mvn script in your maven installation to see how it's building the command. Perhaps you or someone else has hard-coded a JAVA_HOME in there and forgotten about it. share | improve this answer ...
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Is there any way to git checkout previous branch?

... sort of want the equivalent of cd - for git. If I am in branch master and I checkout foo , I would love to be able to type something like git checkout - to go back to master , and be able to type it again to return to foo . ...
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How can I run dos2unix on an entire directory? [closed]

...args -0 dos2unix Will recursively find all files inside current directory and call for these files dos2unix command share | improve this answer | follow | ...
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How to find memory leak in a C++ code/project?

...nstructions Things You'll Need Proficiency in C++ C++ compiler Debugger and other investigative software tools 1 Understand the operator basics. The C++ operator new allocates heap memory. The delete operator frees heap memory. For every new, you should use a delete so that you free the same m...