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How do I get Month and Date of JavaScript in 2 digit format?

When we call getMonth() and getDate() on date object, we will get the single digit number . For example : 28 Answers...
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Validating IPv4 addresses with regexp

...aptured either way if we didn't have a full-match in the first place. Old and shorter version (less readable) (63 chars) ^(?:(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])(\.(?!$)|$)){4}$ Older (readable) version (70 chars) ^(?:(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])(\.(?!$)|$)){4}$ It ...
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Install dependencies globally and locally using package.json

...d to do this. What you probably want to do is just put those types of command dependencies for build/test etc. in the devDependencies section of your package.json. Anytime you use something from scripts in package.json your devDependencies commands (in node_modules/.bin) act as if they are in your...
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Redis - Connect to Remote Server

...will tell you if it is listening where you think it is. If not, restart it and be sure it restarts. If it restarts and still is not listening where you expect, check your config file just to be sure. After establishing it is listening where you expect it to, from a remote node which should have acc...
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Understanding how recursive functions work

...grok yet. Filtering out all of the (extremely clever) "In order to understand recursion, you must first understand recursion." replies from various online threads I still am not quite getting it. ...
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How to write the Fibonacci Sequence?

... There is lots of information about the Fibonacci Sequence on wikipedia and on wolfram. A lot more than you may need. Anyway it is a good thing to learn how to use these resources to find (quickly if possible) what you need. Write Fib sequence formula to infinite In math, it's given in a recurs...
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What's the simplest way to test whether a number is a power of 2 in C++?

...will want to check for it explicitly. http://www.graphics.stanford.edu/~seander/bithacks.html has a large collection of clever bit-twiddling algorithms, including this one. share | improve this ans...
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CSS hexadecimal RGBA?

... The CSS Color Module Level 4 will probably support 4 and 8-digit hexadecimal RGBA notation! Three weeks ago (18th of December 2014) the CSS Color Module Level 4 editor's draft was submitted to the CSS W3C Working Group. Though in a state which is heavily susceptible to change...
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Node.js + Nginx - What now?

I've set up Node.js and Nginx on my server. Now I want to use it, but, before I start there are 2 questions: 12 Answers ...
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Hook up Raspberry Pi via Ethernet to laptop without router? [closed]

...ially recover the Raspberry Pi, it will most likely be in a rural location and I'd like to turn off the Pi at that point safely. ...