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Upgrade Node.js to the latest version on Mac OS

...install nvm and have multiple versions of Node.js installed. curl https://raw.github.com/creationix/nvm/master/install.sh | sh source ~/.nvm/nvm.sh and then run: nvm install 0.8.22 #(or whatever version of Node.js you want) you can see what versions you have installed with : nvm list and y...
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Calculate distance between two points in google maps V3

...ssume that your input data is google.maps.LatLng objects. If you just have raw data like {lat: __, lon: __} then you would instead use p1.lat, for example. – Don McCurdy Mar 24 '17 at 20:12 ...
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Convert Data URI to File then append to FormData

...ataURItoBlob(dataURI) { // convert base64/URLEncoded data component to raw binary data held in a string var byteString; if (dataURI.split(',')[0].indexOf('base64') >= 0) byteString = atob(dataURI.split(',')[1]); else byteString = unescape(dataURI.split(',')[1]); ...
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Given an emacs command name, how would you find key-bindings ? (and vice versa)

...ble. Key-maps are kept in variables, however the key codes are stored in a raw format. Try C-h v isearch-mode-map for an example. For more help on getting help, you can type C-h ? share | improv...
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Configure WAMP server to send email

...e Message (great for HTML emails), Headers, Body (to inspect the HTML) and Raw (full unparsed email). It also has a Sections view, to split up the different media types found in the email. It has a super clean and friendly UI, a good log viewer and gives you notifications when you receive an email...
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How to make a SPA SEO crawlable?

I've been working on how to make a SPA crawlable by google based on google's instructions . Even though there are quite a few general explanations I couldn't find anywhere a more thorough step-by-step tutorial with actual examples. After having finished this I would like to share my solution so th...
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How to install the current version of Go in Ubuntu Precise

...h: sudo apt-get install bison mercurial bash < <(curl -LSs 'https://raw.githubusercontent.com/moovweb/gvm/master/binscripts/gvm-installer') . "$HOME/.gvm/scripts/gvm" and then it's as easy as doing this: gvm install go1.1.1 gvm use go1.1.1 --default The default flag at the end of the sec...
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Pinging servers in Python

...sing this module, you need root access due to the fact that it is crafting raw packets under the hood. import pyping r = pyping.ping('google.com') if r.ret_code == 0: print("Success") else: print("Failed with {}".format(r.ret_code)) ...
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What is the difference between std::array and std::vector? When do you use one over other? [duplicat

...etal', while keeping the niceties of C++ and keeping all the bad things of raw arrays out of the way. share | improve this answer | follow | ...
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Why is document.write considered a “bad practice”?

...rt of the original question. And by extremely compatible, I mean for just raw browser support for the document.write method. – Peter Bailey Apr 29 '09 at 19:28 ...