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What text editor is available in Heroku bash shell? [closed]
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See more up-to-date script over there gist.github.com/dvdbng/7375821b20f189c189ab1bd29392c98e
– nilfalse
Jun 6 '19 at 19:27
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How do I make python wait for a pressed key?
I want my script to wait until the user presses any key.
12 Answers
12
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Common programming mistakes for Clojure developers to avoid [closed]
... so easy to reach out to Java, it's sometimes tempting to use Clojure as a scripting language wrapper around Java. Certainly you'll need to do exactly this when using Java library functionality, but there's little sense in (e.g.) maintaining data structures in Java, or using Java data types such as ...
Java: How to test methods that call System.exit()?
...t will drift all the way out to the JVM's last-ditch catcher and shut your script down (unless you decide to catch it somewhere along the way, which might be useful someday).
In the JUnit scenario it will be caught by the JUnit framework, which will report that
such-and-such test failed and ...
How can I quantify difference between two images?
...on:
if __name__ == "__main__":
main()
Now you can put this all in a script and run against two images. If we compare image to itself, there is no difference:
$ python compare.py one.jpg one.jpg
Manhattan norm: 0.0 / per pixel: 0.0
Zero norm: 0 / per pixel: 0.0
If we blur the image and comp...
How to determine function name from inside a function
If I have a Bash script like:
5 Answers
5
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What do the terms “CPU bound” and “I/O bound” mean?
...he graph.
And here is a C++ version that produces analogous results.
plot script
I don't know enough computer architecture to fully explain the shape of the curve, but one thing is clear: the computation does not become 8x faster as naively expected due to me using all my 8 threads! For some reas...
Defining a variable with or without export
...ses that are invoked by name, for example a literal bash appearing in your script).
Subshells will have access to all variables from the parent, regardless of their exported state.
Subprocesses will only see the exported variables.
What is common in these two constructs is that neither can pa...
How do I get the localhost name in PowerShell?
...rm 'env:COMPUTERNAME' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again. At line:1 char:1 + env:COMPUTERNAME + ~~~~~~~~~~~~~~~~ + CategoryInfo : ...
What is the proper way to test if a parameter is empty in a batch file?
... watch out for strings that use double '"' as an escape sequence -- the script will crash when attempting the comparison. E.g. ""this string will crash the comparison"". Double '"' is the proper escape sequence, and doing a substitution on double '"' will fail if the string is empty.
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