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Query EC2 tags from within instance
... Name=resource-id,Values=ec2metadata --instance-id --out=json|jq '.Tags[]| select(.Key == "role")|.Value'
– jolestar
Apr 25 '15 at 2:14
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How to get only the last part of a path in Python?
...ointed out, making changes so as to accomodate trailing '/'.
>>> from os.path import normpath, basename
>>> basename(normpath('/folderA/folderB/folderC/folderD/'))
'folderD'
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How can I build a small operating system on an old desktop computer? [closed]
...erything else your OS kernel needs to do to get it up to a bootable state. From that point on it's basically a matter of writing device drivers for the hardware you need to support, and offering implementations of the C library functions to make kernel calls for things like opening files and devices...
After Installing Java JDK 7 For Mac OS X - mvn -version still shows java version 1.6.0_31
... unable to open the Java Preferences App in El Captian, I went from System Preferences - > Java.
– Wolf7176
Aug 29 '16 at 14:54
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Visual Studio can't build due to rc.exe
...ave Visual Studio 2017 or 2019, and you installed Build Tools 2015 without selecting to install its own 2015 Windows SDK (default installation does not install it!), and are trying to use it to compile, you may run into this problem.
In my case, I already had Visual Studio 2017. When I tried to use ...
How to change credentials for SVN repository in Eclipse?
...clipse. Another developer added an SVN repository with his credentials and selected 'Save password'. Now every time I do anything with SVN his cached credentials are used. How can I change them to mine?
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Find full path of the Python interpreter?
How do I find the full path of the currently running Python interpreter from within the currently executing Python script?
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setup.py examples?
...allation Tool Recommendations
Use pip to install Python packages
from PyPI.
Use virtualenv, or pyvenv to isolate application specific dependencies from a shared Python installation.
Use pip wheel to create a cache of wheel distributions, for the purpose of > speeding up subsequent...
Make sure only a single instance of a program is running
...tform and runs on Python 2.4-3.2. I tested it on Windows, OS X and Linux.
from tendo import singleton
me = singleton.SingleInstance() # will sys.exit(-1) if other instance is running
The latest code version is available singleton.py. Please file bugs here.
You can install tend using one of the f...
Getting Chrome to accept self-signed localhost certificate
...", then also find it in the list, right click it, expand "> Trust", and select "Always"
Add extendedKeyUsage=serverAuth,clientAuth below basicConstraints=CA:FALSE, and make sure you set the "CommonName" to the same as $NAME when it's asking for setup
You can check your work
openssl verify -CAfil...