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Using openssl to get the certificate from a server
...client -showcerts -connect example.com:443) -scq > file.crt
To return all certificates from the chain, just add g (global) like:
ex +'g/BEGIN CERTIFICATE/,/END CERTIFICATE/p' <(echo | openssl s_client -showcerts -connect example.com:443) -scq
Then you can simply import your certificate fi...
python pandas dataframe to dictionary
...risjoris
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No connection could be made because the target machine actively refused it?
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If this happens always, it literally means that the machine exists but that it has no services listening on the specified port, or there is a firewall stopping you.
If it happens occasionally - you used the word "sometimes" - and retrying succeeds, it is l...
How to concatenate two strings to build a complete path
...r -p $SUBFOLD2
And if you want to use readline so you get completion and all that, add a -e to the call to read:
read -e -p "Enter a directory: " BASEPATH
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How do I create a category in Xcode 6 or higher?
... and hidden everything under Objective-C or I think that they did. I personally don't get why Swift was added, Objective-C is such a beautiful and expressive language once you get to know it... It's Objects on top of C... Perrrfect
– unom
Aug 27 '14 at 18:07
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How to run Conda?
I installed Anaconda and can run Python, so I assume that I installed it correctly. Following this introductory documentation , I am trying to install Python v3.3, so I am copying and pasting the following line into my console:
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bash: mkvirtualenv: command not found
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Solution 1:
For some reason, virtualenvwrapper.sh installed in /usr/bin/virtualenvwrapper.sh, instead of under /usr/local/bin.
The following in my .bash_profile works...
source "/usr/bin/virtualenvwrapper.sh"
export WORKON_HOME="/opt/virtual_env/"
My install seems to work fi...
How to check if a Unix .tar.gz file is a valid file without uncompressing?
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What about just getting a listing of the tarball and throw away the output, rather than decompressing the file?
tar -tzf my_tar.tar.gz >/dev/null
Edited as per comment. Thanks zrajm!
Edit as per comment. Thanks Frozen Flame! This test in no way implies integrity ...
Rolling back local and remote git repository by 1 commit
... would suggest something that doesn't rewrite the history:
git revert locally your last commit (creating a new commit that reverses what the previous commit did)
push the 'revert' generated by git revert.
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Difference between method and function in Scala
..., no instance - with a method type. As mentioned above, a Method Value actually has a Function Type. A method type is a def declaration - everything about a def except its body.
Value Declarations and Definitions and Variable Declarations and Definitions are val and var declarations, including both...