Linux, programming and more
Python virtualenv or venv are the short forms of virtual environment.
Virtualenv is useful for different projects with unique requirements for each of them, like versions of python or at least different versions of Python libraries.
So they run parallel on a same system in separated from each other environments without any conflicts between them.
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Some project have strict dependencies, and requires additional python 3.x versions to manage the dependencies.
This describes a walkthrough of a build of python 3.5.6 from a source tarball.
Just go to python.org Download section and copy the download link to a python version of your need:
Sharing is caring. For this situations there are following command line methods to provide some data to be downloaded from everywhere.
On the most common linux systems is python preinstalled or is a part of the core system,
so the next two python-examples should work like a charm.
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For most tiny web-projects is django or Ruby on Rails the overkill and that is mostly the problem which is between the framework and the quick solution.
There are a lot Micro Frameworks available without nasty and unnecessary stuff. Here is a short overview of them:
All following comparison operators have the standard mathematical interpretation and return a boolean value of True for true, False for false:
Comparison operations are supported by all objects!
This table summarizes the comparison operations:
| Operation | Meaning |
|---|---|
| < | strictly less than |
| <= | less than or equal |
| > | strictly greater than |
| >= | greater than or equal |
| == | equal |
| != | not equal* |
| is | object identity |
| is not | negated object identity |
* != can also be written <>, but this is an obsolete usage kept for backwards compatibility only. New code should always use !=.