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Printing Lists as Tabular Data
...are some light and useful python packages for this purpose:
1. tabulate: https://pypi.python.org/pypi/tabulate
from tabulate import tabulate
print(tabulate([['Alice', 24], ['Bob', 19]], headers=['Name', 'Age']))
Name Age
------ -----
Alice 24
Bob 19
tabulate has many options...
What does JVM flag CMSClassUnloadingEnabled actually do?
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Update This answer is relevant for Java 5-7, Java 8 has this fixed: https://blogs.oracle.com/poonam/about-g1-garbage-collector,-permanent-generation-and-metaspace Kudos go to mt.uulu
For Java 5-7:
The standard Oracle/Sun VM look on the world is: Classes are forever. So once loaded, they sta...
How to step through Python code to help debug issues?
...se commands should be execute from **pdb
For in-depth knowledge, refer:-
https://pymotw.com/2/pdb/
https://pythonconquerstheuniverse.wordpress.com/2009/09/10/debugging-in-python/
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Refused to display in a frame because it set 'X-Frame-Options' to 'SAMEORIGIN'
..."v/" so a full URL would become: <iframe width='1080' height='760' src="https://www.youtube.com/embed/dQw4w9WgXcQ" frameborder="0" allowfullscreen></iframe>
– backwardm
Aug 5 '15 at 20:28
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Make Heroku run non-master Git branch
...on master branch.
Run following command in you local repository
git pull https://heroku:YOUR_HEROKU_API_KEY@git.heroku.com/YOUR_APP_NAME.git
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Can I use twitter bootstrap without jquery?
...nce they are jQuery plugins.
v3: http://getbootstrap.com/javascript/
v4: https://getbootstrap.com/docs/4.0/getting-started/javascript/
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How to count items in JSON object using command line?
...uppose it was in a property called records, like {"records":[...]}.
$ curl https://my-source-of-json.com/list | jq -r '.records' | jq length
2
$
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Can I install the “app store” in an IOS simulator?
...From Xcode 8.2,drag and drop the build to simulator for the installation.
https://stackoverflow.com/a/41671233/1522584
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Run task only if host does not belong to a group
... not in group_names"
group_names is a magic variable as documented here: https://docs.ansible.com/ansible/latest/user_guide/playbooks_variables.html#accessing-information-about-other-hosts-with-magic-variables :
group_names is a list (array) of all the groups the current host is in.
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How to compare two tags with git?
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If source code is on Github, you can use their comparing tool: https://help.github.com/articles/comparing-commits-across-time/
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