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How to mount a host directory in a Docker container
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Mapping over values in a python dictionary
Given a dictionary { k1: v1, k2: v2 ... } I want to get { k1: f(v1), k2: f(v2) ... } provided I pass a function f .
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case-insensitive list sorting, without lowercasing the result?
... that's specifically designed for caseless matching:
sorted_list = sorted(unsorted_list, key=str.casefold)
In Python 2 use lower():
sorted_list = sorted(unsorted_list, key=lambda s: s.lower())
It works for both normal and unicode strings, since they both have a lower method.
In Python 2 it wo...
Java - How to create new Entry (key, value)
...that similarly to Util.Map.Entry that will contain the structure key , value .
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HTML5 Canvas vs. SVG vs. div
...t approach for creating elements on the fly and being able to move them around? For example, let's say I want to create a rectangle, circle and polygon and then select those objects and move them around.
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OAuth: how to test with local URLs?
I am trying to test OAuth buttons, but they all (Facebook, Twitter, LinkedIn) come back with errors that seem to signal that I can not test or use them from a local URL.
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How do you run JavaScript script through the Terminal?
For instance, if you were to run a Python script you would type python filename.py or if you wanted to run a C program make filename then ./ filename . How do you do this with .js files?
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How to tell if node.js is installed or not
I've recently installed node.js and I have no idea how to run applications. I installed node.js but couldn't find further instructions. What does one really need to do? I wanted to see if it was actually working. So I executed a script called hello.js. It went as such:
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psql: FATAL: database “” does not exist
I'm using the PostgreSql app for mac ( http://postgresapp.com/ ). I've used it in the past on other machines but it's giving me some trouble when installing on my macbook. I've installed the application and I ran:
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Open URL under cursor in Vim with browser
I'm using Twitvim for the first time. Seeing all the URLs in there made me wonder, is there any way to open the URL under the cursor in your favorite browser or a specified one?
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