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Pointer vs. Reference
...erence for an output parameter is purely syntax. Google's C++ Style Guide (https://google.github.io/styleguide/cppguide.html#Reference_Arguments), for example, mandates only pointers for output parameters, and allows only references that are const. The reasoning is one of readability: something with...
How to use filter, map, and reduce in Python 3
...ible and is all "backwards". So, I suggest using the PyFunctional package (https://pypi.org/project/PyFunctional/).
Here's a comparison of the two:
flight_destinations_dict = {'NY': {'London', 'Rome'}, 'Berlin': {'NY'}}
PyFunctional version
Very legible syntax. You can say:
"I have a sequ...
How to get the name of enumeration value in Swift?
..."two"
Note that this does not work if the enum uses the @objc modifier:
https://forums.swift.org/t/why-is-an-enum-returning-enumname-rather-than-caselabel-for-string-describing/27327
Generated Swift interfaces for Objective-C types sometimes do not include the @objc modifier. Those Enums are nev...
Grouping functions (tapply, by, aggregate) and the *apply family
...
From slide 21 of http://www.slideshare.net/hadley/plyr-one-data-analytic-strategy:
(Hopefully it's clear that apply corresponds to @Hadley's aaply and aggregate corresponds to @Hadley's ddply etc. Slide 20 of the same slideshare will clarify if y...
Suppress Scientific Notation in Numpy When Creating Array From Nested List
...function parameters (suppress isn't detailed in the above link), see here: https://docs.scipy.org/doc/numpy/reference/generated/numpy.set_printoptions.html
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...
For loop for HTMLCollection elements
...m.id);
});
Working demo (in Firefox, Chrome, and Edge as of April 2016): https://jsfiddle.net/jfriend00/8ar4xn2s/
Update for ES6 in 2016
You can now use the ES6 for/of construct with a NodeList and an HTMLCollection by just adding this to your code:
NodeList.prototype[Symbol.iterator] = Array...
Execute unit tests serially (rather than in parallel)
..., you can configure xUnit with an xunit.runner.json file, as documented at https://xunit.github.io/docs/configuring-with-json.html.
The setting you need to change to stop parallel test execution is parallelizeTestCollections, which defaults to true:
Set this to true if the assembly is willing t...
What is __pycache__?
...ifferent releases and different versions
of Python to coexist.
Source: https://docs.python.org/3/tutorial/modules.html#compiled-python-files
That is, this directory is generated by Python and exists to make your programs run faster. It shouldn't be committed to source control, and should coexis...
tomcat - CATALINA_BASE and CATALINA_HOME variables
...og/how-to-easily-setup-lucee-in-tomcat.html along with a video tutorial at
https://youtu.be/nuugoG5c-7M
Original answer continued below
To take advantage of this feature, simply create the config directory and point to it with the CATALINA_BASE environment variable. You will have to put some file...
Redirect all to index.php using htaccess
...ch must be running! (there are alternatives but not on will cause problems https://httpd.apache.org/docs/2.4/mod/core.html#allowoverride)
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