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setting an environment variable in virtualenv
...variables to get its configuration, but I use virtualenv to test my app locally first.
10 Answers
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Debug vs. Release performance
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Partially true. In debug mode, the compiler emits debug symbols for all variables and compiles the code as is. In release mode, some optimizations are included:
unused variables do not get compiled at all
some loop variables are ...
Prevent unit tests but allow integration tests in Maven
...out skipping failsafe tests.
Property value seems to magically default to false -->
<skipTests>${skip.surefire.tests}</skipTests>
</configuration>
</plugin>
This allows you to run mvn verify -Dskip.surefire.tests and only surefire, not failsa...
How to create query parameters in Javascript?
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Just a small detail, but ret could be const
– Alkis Mavridis
Oct 18 '18 at 13:20
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Database Structure for Tree Data Structure
... using the employee ID to link an employee to their supervisor. This is usually a sub-optimal approach. An approach that often works better is to model the org structure separate from employees themselves, and maintain the employee as an attribute of the structure. This way, when an employee leaves ...
Heroku/GoDaddy: send naked domain to www [closed]
... at the bottom of the "Domain Information" section:
If you do this then all traffic to yourdomain.com will be routed to the Heroku app CNAME (which is the better approach).
One note, however, if you are on the Cedar stack then don't use proxy.heroku.com for the host of your www CNAME. Instead us...
What's the best practice for putting multiple projects in a git repository? [closed]
...olution 1
A single repository can contain multiple independent branches, called orphan branches. Orphan branches are completely separate from each other; they do not share histories.
git checkout --orphan BRANCHNAME
This creates a new branch, unrelated to your current branch. Each project should...
Cross cutting concern example
...ently used in distributed applications to aid debugging by tracing method calls. Suppose we do logging at both the beginning and the end of each function body. This will result in crosscutting all classes that have at least one function.
(Courtesy)
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Should I use scipy.pi, numpy.pi, or math.pi?
...gt;> math.pi == np.pi == scipy.pi
True
So it doesn't matter, they are all the same value.
The only reason all three modules provide a pi value is so if you are using just one of the three modules, you can conveniently have access to pi without having to import another module. They're not provi...
What is Virtual DOM?
Recently, I looked at Facebook's React framework. It uses a concept called "the Virtual DOM," which I didn't really understand.
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