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How to get the current time in YYYY-MM-DD HH:MI:Sec.Millisecond format in Java?
...matter object. Another is you don't have to add an API - Date class is a standard Java library class.
– ADTC
Jul 17 '13 at 2:21
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Big O, how do you calculate/approximate it?
Most people with a degree in CS will certainly know what Big O stands for .
It helps us to measure how well an algorithm scales.
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Able to push to all git remotes with the one command?
...xargs -L1 -I R git push R master
(Bonus) To make a git alias for the command:
git config --global alias.pushall '!git remote | xargs -L1 git push --all'
Running git pushall will now push all branches to all remotes.
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Can I squash commits in Mercurial?
...little side note: The Histedit extension is distributed with Mercurial 2.3 and later. You just have to enable it.
– Paidhi
Apr 16 '15 at 14:00
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How do I globally configure RSpec to keep the '--color' and '--format specdoc' options turned on
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As you can see in the docs here, the intended use is creating ~/.rspec and in it putting your options, such as --color.
To quickly create an ~/.rspec file with the --color option, just run:
echo '--color' >> ~/.rspec
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Single quotes vs. double quotes in Python [closed]
...ngs that are used for interpolation or that are natural language messages, and single quotes for small symbol-like strings, but will break the rules if the strings contain quotes, or if I forget. I use triple double quotes for docstrings and raw string literals for regular expressions even if they a...
Good reasons NOT to use a relational database?
Can you please point to alternative data storage tools and give good reasons to use them instead of good-old relational databases? In my opinion, most applications rarely use the full power of SQL--it would be interesting to see how to build an SQL-free application.
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JPA and Hibernate - Criteria vs. JPQL or HQL
What are the pros and cons of using Criteria or HQL ? The Criteria API is a nice object-oriented way to express queries in Hibernate, but sometimes Criteria Queries are more difficult to understand/build than HQL.
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Default value for field in Django model
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Set editable to False and default to your default value.
http://docs.djangoproject.com/en/stable/ref/models/fields/#editable
b = models.CharField(max_length=7, default='0000000', editable=False)
Also, your id field is unnecessary. Django will...
Unit testing Anti-patterns catalogue
...se method to test another/distinct feature/functionality, a new assertion (and its corresponding actions i.e. Act steps from AAA) rides along in an existing test case.
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