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NodeJS: Saving a base64-encoded image to disk
My Express app is receiving a base64-encoded PNG from the browser (generated from canvas with toDataURL() ) and writing it to a file. But the file isn't a valid image file, and the "file" utility simply identifies it as "data".
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iterating over each character of a String in ruby 1.8.6 (each_char)
I am new to ruby and currently trying to operate on each character separately from a base String in ruby. I am using ruby 1.8.6 and would like to do something like:
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Where are Docker images stored on the host machine?
...e result of clicking the Docker Quickstart Terminal shortcut for the first time creates a virtual machine (VM) called 'default' (after a couple of unsuccessful starts - keep running it until it works). This 'default' VM can be located within Windows at: %USERPROFILE%\.docker\machine\machines (pl...
JUnit test for System.out.println()
... this library! I have been looking for something like this for such a long time! It's very, very useful as sometimes you simply cannot simplify your code enough to be easily testable, but with a log message you can do wonders!
– carlspring
Mar 18 '15 at 14:07
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Get only part of an Array in Java?
I have an array of Integers in Java, I would like use only a part of it. I know in Python you can do something like this array[index:] and it returns the array from the index. Is something like this possible in Java.
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How can I make a Python script standalone executable to run without ANY dependency?
...lf at least in the Windows (python*.dll). The dll has dependency on the runtime which HAS TO BE installed separately. After the process you gain the executable which will be linked to the dll and so has the same importability. So your 'standalone' executable is not much standalone, but more like emb...
How to extract text from a string using sed?
My example string is as follows:
5 Answers
5
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List or IList [closed]
...o disagree with your sardonic answer. I don't totally disagree with the sentiment of over-architecture being a real problem. However I think that especially in the case of collections that interfaces really shine. Say I have a function that returns IEnumerable<string>, inside the function I ma...
How do I get cURL to not show the progress bar?
I'm trying to use cURL in a script and get it to not show the progress bar.
5 Answers
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Iterating over all the keys of a map
Is there a way to get a list of all the keys in a Go language map? The number of elements is given by len() , but if I have a map like:
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