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Why is it bad practice to call System.gc()?
...viour of a program depends on the GC running at a particular time; e.g. in order to execute finalizers, or to break WeakReferences or SoftReferences. It is a really bad idea to do this ... but this is what I'm talking about. See also Steven Schlansker's answer.
– Stephen C
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How to read a (static) file from inside a Python package?
...b.resources will require you to add an empty file templates/__init__.py in order that the data files will reside within a sub-package rather than in a subdirectory. It will also expose the package/templates subdirectory as an importable package.templates sub-package in its own right. If that's not a...
Algorithm to find top 10 search terms
...een in the first stream; if it doesn't, x wasn't in the initial stream. In order for the algorithm to make this determination, it must store the initial stream (or some summary proportional to its length)! So, we can prove to ourselves that the space required by such an "exact" algorithm would be Ω...
javascript: recursive anonymous function?
... f => f (Y (f))
// prevent immediate infinite recursion in applicative order language (JS)
const Y = f => f (x => Y (f) (x))
// remove reference to self using U combinator
const Y = U (h => f => f (x => U (h) (f) (x)))
Now we will see how it's usage compares to the U-combinator....
Homebrew install specific version of formula?
...r postgresql version is installed, we can re-install the latest formula in order to keep our repository clean:
$ git checkout -- Library/Formula/postgresql.rb
brew switch is your friend to change between the old and the new.
b) prehistoric times
For special needs, we may also try our own diggin...
Meaning of @classmethod and @staticmethod for beginner? [duplicate]
...instances and classes:
A dotted lookup on an instance is performed in this order - we look for:
a data descriptor in the class namespace (like a property)
data in the instance __dict__
a non-data descriptor in the class namespace (methods).
Note, a dotted lookup on an instance is invoked like this...
How do I create a simple 'Hello World' module in Magento?
...ento uses config files consisting of XML to decide what it needs to do. In order to get it to run your own stuff as opposed to core functionality you need the correct xml. Unfortunately there is no guide on how to build you XML; you need to look at examples and do some serious testing. To complicate...
Why do people use Heroku when AWS is present? What distinguishes Heroku from AWS? [closed]
... the difference? Very approximately, IaaS gives you components you need in order to build things on top of it; PaaS gives you an environment where you just push code and some basic configuration and get a running application. IaaS can give you more power and flexibility, at the cost of having to bui...
Efficiency of Java “Double Brace Initialization”?
... process and such. Not to mention the increase in the needed disk space in order to store all those class files.
It seems as if there is a bit of overhead when utilizing double-brace initialization, so it's probably not such a good idea to go too overboard with it. But as Eddie has noted in the com...
Does JavaScript have a method like “range()” to generate a range within the supplied bounds?
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Excellent use of high order functions.
– Farzad YZ
May 18 '16 at 10:19
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