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What's the difference between unit, functional, acceptance, and integration tests? [closed]

...these are slightly wooly and others may disagree. Unit Tests Tests the smallest unit of functionality, typically a method/function (e.g. given a class with a particular state, calling x method on the class should cause y to happen). Unit tests should be focussed on one particular feature (e.g., c...
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Calling clojure from java

Most of the top google hits for "calling clojure from java" are outdated and recommend using clojure.lang.RT to compile the source code. Could you help with a clear explanation of how to call Clojure from Java assuming you have already built a jar from the Clojure project and included it in the cl...
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How do I clone into a non-empty directory?

... will set the upstream branch for you, if that is what you want, and it usually is. share | improve this answer | follow | ...
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Git in Powershell saying 'Could not find ssh-agent'

I have git installed and it works great in the command prompt, but when I open up powershell it gives me this warning: 6 An...
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Bash: Strip trailing linebreak from output

... If your expected output is a single line, you can simply remove all newline characters from the output. It would not be uncommon to pipe to the 'tr' utility, or to Perl if preferred: wc -l < log.txt | tr -d '\n' wc -l < log.txt | perl -pe 'chomp' You can also use command substit...
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Why does “split” on an empty string return a non-empty array?

...ngleton array containing just the input string is returned, Second, remove all the rightmost empty strings. This is the reason ",,,".split(",") returns empty array. According to this, the result of "".split(",") should be an empty array because of the second step, right? It should. Unfortunately,...
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Change multiple files

...ot even just a builtin. For sed -i 's/old/new' *, the expansion of * must ALL be passed as an arglist to sed, and I'm fairly sure this has to happen before the sed process can even be started. Using the for loop, the full arglist (the expansion of *) never gets passed as a command, only stored in ...
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node.js shell command execution

... you are expecting synchronous behavior while using stdout asynchronously. All of the calls in your run_cmd function are asynchronous, so it will spawn the child process and return immediately regardless of whether some, all, or none of the data has been read off of stdout. As such, when you run co...
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JavaScript file upload size validation

...e used for this purpose, and it's easy to test whether it's supported and fall back (if necessary) to another mechanism if it isn't. Here's a complete example: <!DOCTYPE HTML> <html> <head> <meta http-equiv="Content-type" content="text/html;charset=UTF-8"> <title>Show...
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How to plot two histograms together in R?

...ers. Each data frame has a single numeric column which lists the length of all measured carrots (total: 100k carrots) and cucumbers (total: 50k cucumbers). ...