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... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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What is the difference between Class.this and this in Java
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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I lose my data when the container exits
...u use docker run to start a container, it actually creates a new container based on the image you have specified.
Besides the other useful answers here, note that you can restart an existing container after it exited and your changes are still there.
docker start f357e2faab77 # restart it in the b...
Add a fragment to the URL without causing a redirect?
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How to detect IE11?
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This seems to me to be more robust. Certainly anything based on user agent is pretty useless.
– David G
Jun 18 '14 at 18:08
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Get lengths of a list in a jinja2 template
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How to dynamically create CSS class in JavaScript and apply?
...t every class creation? So if I were to create 1000+ classes in a for loop based on data, this would need to apply document.head.appendChild 1000 times?
– bluejayke
Feb 11 '19 at 1:17
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What is the difference between “instantiated” and “initialized”?
...d a value of "null". The actual memory for the variable will be allocated based on the value once it is initialized.
– Aaron Dake
Mar 25 '17 at 13:09
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Submitting the value of a disabled input field
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How to elegantly rename all keys in a hash in Ruby? [duplicate]
...vantage of only renaming the necessary keys.
Performance considerations:
Based on the Tin Man's answer, my answer is about 20% faster than Jörg W Mittag's answer for a Hash with only two keys. It may get even higher performance for Hashes with many keys, specially if there are just a few keys to ...