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How to clear the interpreter console?
...ython interpreter running to test commands, dir() stuff, help() stuff , etc.
36 Answers
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Should I put #! (shebang) in Python scripts, and what form should it take?
... that will work, period. You don't need to worry about any of the guts in order to use it.
– SDsolar
Oct 17 '17 at 10:15
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Pass variables to Ruby script via command line
...PROGRAM_NAME variable.
The obvious disadvantage is that you depend on the order of values.
If you need only Boolean switches use the option -s of the Ruby interpreter:
> ruby -s -e 'puts "So do I!" if $agreed' -- -agreed
> So do I!
Please note the -- switch, otherwise Ruby will complain a...
Compare if two variables reference the same object in python
...st only once and reuses them. Special values such as (), None, True, False etc are defined to be singletons too. During execution the runtime also tries to reuse small numbers and strings, but in the end it's a tradeoff between speed and memory and what happends depends on how the Python runtime was...
What 'sensitive information' could be disclosed when setting JsonRequestBehavior to AllowGet
...g the data and all side-effecting operations should use POST, PUT, DELETE, etc. In other words, I just think that this 'sensitive information' error message is misleading. If the developer uses the GET method the way it should be used then everything is fine! :)
– ps_ttf
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What is the difference between JavaConverters and JavaConversions in Scala?
... will be implicitly added to the collection that you want to transform. In order to use these converters, you need to import :
import collection.JavaConverters._
You should prefer JavaConversions as it's generally easier to use (no need to use asScala or asJava).
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scp (secure copy) to ec2 instance without password
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I figured it out. I had the arguments in the wrong order. This works:
scp -i mykey.pem somefile.txt root@my.ec2.id.amazonaws.com:/
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Format date and time in a Windows batch script
...t I need to format the current date and time for later use in files names, etc.
33 Answers
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What is the meaning of #XXX in code comments?
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Have a look at PEP350. It explains all of TODO, XXX etc. I use it everyday when I can't remember exactly what one of the code tags means.
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Showing a different background colour in Vim past 80 characters
...s setting as a string every time it enters a window, initializes a buffer, etc, so this is kind of an expensive way of achieving the desired result.
– cptstubing06
Mar 8 '13 at 4:08
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