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How do I list loaded plugins in Vim?
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:scriptnames : list all plugins, _vimrcs loaded (super)
:verbose set history? : reveals value of history and where set
:function : list functions
:func SearchCompl : List particular function
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How can I open the interactive matplotlib window in IPython notebook?
... %matplotlib inline
In [3]: plot(...)
In [4]: %matplotlib qt # wx, gtk, osx, tk, empty uses default
In [5]: plot(...)
and that will pop up a regular plot window (a restart on the notebook may be necessary).
I hope this helps.
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Can't install via pip because of egg_info error
...ll pip by using below command or following link How do I install pip on macOS or OS X?
curl https://bootstrap.pypa.io/get-pip.py -o - | python
Upgrade pip after it's installed
pip install -U pip
share
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How do I use Java to read from a file that is actively being written to?
... an application that writes information to file. This information is used post-execution to determine pass/failure/correctness of the application. I'd like to be able to read the file as it is being written so that I can do these pass/failure/correctness checks in real time.
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How to make git ignore changes in case?
...t too sure what is going on here, but sometimes a particular file in my repository will change the case of it's name. e.g.,:
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How to get line count of a large file cheaply in Python?
...t of a large file (hundreds of thousands of lines) in python. What is the most efficient way both memory- and time-wise?
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lose vim colorscheme in tmux mode
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I use this instead of tmux -2 as this is more verbose.
– thameera
Apr 16 '13 at 7:01
98
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How to import an excel file in to a MySQL database
Can any one explain how to import a Microsoft Excel file in to a MySQL database?
11 Answers
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Swapping two variable value without using third variable
...mp;y);
# endif
}
return x + y;
}
Compiled using:
gcc -Os main.c -o swap
The xor version takes
real 0m2.068s
user 0m2.048s
sys 0m0.000s
Where as the version with the temporary variable takes:
real 0m0.543s
user 0m0.540s
sys 0m0.000s
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Using openssl to get the certificate from a server
...ith SNI
If the remote server is using SNI (that is, sharing multiple SSL hosts on a single IP address) you will need to send the correct hostname in order to get the right certificate.
openssl s_client -showcerts -servername www.example.com -connect www.example.com:443 </dev/null
Without SNI
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