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Install dependencies globally and locally using package.json

Using npm we can install the modules globally using -g option. How can we do this in the package.json file? 6 Answers ...
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Heroku + node.js error (Web process failed to bind to $PORT within 60 seconds of launch)

I have my first node.js app (runs fine locally) - but I am unable to deploy it via heroku (first time w/ heroku as well). The code is below. SO doesn't let me write so much code, so I would just say that the running the code locally as well within my network shows no issue. ...
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How can I get the current network interface throughput statistics on Linux/UNIX? [closed]

Tools such as MRTG provide network throughput / bandwidth graphs for the current network utilisation on specific interfaces, such as eth0. How can I return that information at the command line on Linux/UNIX? ...
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leading zeros in rails

I have fields hr and min , both integers in my application. For hr field, if the user enters "1" I would like Rails to automatically pad it to "01" before saving it to the database. Also for the min field if the user enter "0" it should put in as "00". ...
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Paging UICollectionView by cells, not screen

I have UICollectionView with horizontal scrolling and there are always 2 cells side-by-side per the entire screen. I need the scrolling to stop at the begining of a cell. With paging enabled, the collection view scrolls the whole page, which is 2 cells at once, and then it stops. ...
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What is the Ruby (spaceship) operator?

What is the Ruby <=> (spaceship) operator? Is the operator implemented by any other languages? 6 Answers ...
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How do I put two increment statements in a C++ 'for' loop?

I would like to increment two variables in a for -loop condition instead of one. 8 Answers ...
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Keep only first n characters in a string?

Is there a way in JavaScript to remove the end of a string? 7 Answers 7 ...
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Common MySQL fields and their appropriate data types

I am setting up a very small MySQL database that stores, first name, last name, email and phone number and am struggling to find the 'perfect' datatype for each field. I know there is no such thing as a perfect answer, but there must be some sort of common convention for commonly used fields such as...
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Set Colorbar Range in matplotlib

I have the following code: 4 Answers 4 ...