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Express.js - app.listen vs server.listen
... get it. What is the difference between creating an app using Express.js and starting the app listening on port 1234, for example:
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Finding sum of elements in Swift array
...the sum of an array of integers in swift?
I have an array called multiples and I would like to know the sum of the multiples.
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Intercept page exit event
... page within my system, a user might decide to navigate to another website and in doing so could lose all the edits they have not saved.
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Can I delete a git commit but keep the changes?
... changes on my development branch with a commit message "temporary commit" and then checkout master for the demo.
11 Answer...
In Python, how do I iterate over a dictionary in sorted key order?
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This is not obvious. In fact, items() creates a list and therefore uses memory, whereas iteritems() essentially does not use memory. What to use mostly depend on the size of the dictionary. Furthermore, the automatic Python 2 to Python 3 conversion tool (2to3) automatically tak...
Git pull a certain branch from GitHub
...have a project with multiple branches. I've been pushing them to GitHub , and now that someone else is working on the project I need to pull their branches from GitHub. It works fine in master. But say that someone created a branch xyz . How can I pull branch xyz from GitHub and merge it into br...
Double vs single quotes
I'm really new to Ruby and I'm trying to understand if there's a specific time when I should use "" vs '' .
8 Answers
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What's the best mock framework for Java? [closed]
...e best framework for creating mock objects in Java? Why? What are the pros and cons of each framework?
14 Answers
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Why is string concatenation faster than array join?
...owsers have also optimized string concatenation, so Safari, Opera, Chrome, and Internet Explorer 8 also show better performance using the plus operator. Internet Explorer prior to version 8 didn’t have such an optimization, and so the array technique is always faster than the plus operator.
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psql: FATAL: Peer authentication failed for user “dev”
...nfig files, especially when you don't have a clue about what you are doing and just following SO answer to solve your problem.
– borisano
Nov 24 '15 at 15:07
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