python OpenCV – add alpha channel to RGB image
What is the best way to convert RGB image to RGBA in python using opencv?
Python
Dynamically importing Python module
I have a trusted remote server that stores many custom Python modules. I can fetch them via HTTP (e.g. using urllib2.urlopen) as text/plain, but I cannot save the fetched module code to the local hard disk. How can I import the code as a fully operable Python module, including its global variables and imports?
I suppose I have to use some combination of exec and imp module’s functions, but I’ve been unable to make it work yet.
Perform a string operation for every element in a Python list
I have a list of strings in Python – elements. I would like to edit each element in elements. See the code below (it doesn’t work, but you’ll get the idea):
How to catch exception output from Python subprocess.check_output()?
I’m trying to do a Bitcoin payment from within Python. In bash I would normally do this:
Any way to make {% extends ‘…’ %} conditional? – Django
I would like to share a template between AJAX and regualr HTTP calls, the only difference is that one template needs to be served with the base.html html, the other one without.
Django self-referential foreign key
I’m kind of new to webapps and database stuff in general so this might be a dumb question. I want to make a model (“CategoryModel”) with a field that points to the primary id of another instance of the model (its parent).
When calling super() in a derived class, can I pass in self.__class__?
I’ve recently discovered (via StackOverflow) that to call a method in a base class I should call: super([[derived class]], self).[[base class method]]() That’s fine, it works. However, I find myself often copying and pasting between classes when I make a change and frequently I forget to fix the derived class argument to the super() function. … Read more
How to specify install order for python pip?
I’m working with fabric(0.9.4)+pip(0.8.2) and I need to install some python modules for multiple servers. All servers have old version of setuptools (0.6c8) which needs to be upgraded for pymongo module. Pymongo requires setuptools>=0.6c9.
Two Python modules require each other’s contents – can that work?
I have a Bottle webserver module with the following line:
Python check if website exists
I wanted to check if a certain website exists, this is what I’m doing: