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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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Run command on the Ansible host
Is it possible to run commands on the Ansible host?
8 Answers
8
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How are multi-dimensional arrays formatted in memory?
In C, I know I can dynamically allocate a two-dimensional array on the heap using the following code:
6 Answers
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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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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...
How to determine if a point is in a 2D triangle? [closed]
Is there an easy way to determine if a point is inside a triangle? It's 2D, not 3D.
25 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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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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Create a pointer to two-dimensional array
I need a pointer to a static 2-dimensional array. How is this done?
10 Answers
10
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Sending a message to nil in Objective-C
As a Java developer who is reading Apple's Objective-C 2.0 documentation: I wonder what " sending a message to nil " means - let alone how it is actually useful. Taking an excerpt from the documentation:
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