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How do I use floating-point division in bash?
I am trying to divide two image widths in a Bash script, but bash gives me 0 as the result:
18 Answers
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Delete files or folder recursively on Windows CMD
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Please execute the following steps:
Open the command prompt
Change directory to the required path
Give the following command
del /S *.svn
share
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Is there a WebSocket client implemented for Python? [closed]
...ogle.com/p/pywebsocket/ It's a Google project.
A good search in github is: https://github.com/search?type=Everything&language=python&q=websocket&repo=&langOverride=&x=14&y=29&start_value=1 it returns clients and servers.
Bret Taylor also implemented web sockets over Torna...
How can I check if a command exists in a shell script? [duplicate]
... only)
You can put any of them to your if clause. According to my tests (https://www.topbug.net/blog/2016/10/11/speed-test-check-the-existence-of-a-command-in-bash-and-zsh/), the 1st and 3rd method are recommended in bash and the 5th method is recommended in zsh in terms of speed.
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Array or List in Java. Which is faster?
I have to keep thousands of strings in memory to be accessed serially in Java. Should I store them in an array or should I use some kind of List ?
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How to detect if a stored procedure already exists
I have to write a deployment script which will work if a stored procedure exists or does not exist. i.e. if it exists, then I need to alter it, otherwise create it.
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With arrays, why is it the case that a[5] == 5[a]?
As Joel points out in Stack Overflow podcast #34 , in C Programming Language (aka: K & R), there is mention of this property of arrays in C: a[5] == 5[a]
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CSS selector for a checked radio button's label
Is it possible to apply a css(3) style to a label of a checked radio button?
6 Answers
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Ubuntu rails install fails on zlib
...ls which all seem to work fine, but when I try and use gem install or gem update on anything, I get an error that looks like this:
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What's the best way to send a signal to all members of a process group?
I want to kill a whole process tree. What is the best way to do this using any common scripting languages? I am looking for a simple solution.
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