So I’m building a simple blog to keep track of my projects. I decided to use CKeditor as the wysiwyg editor. I was able to get all of it to work except for the image portion of it. I’m not able to view the images in the server when I hit “image browse”, and whenever I upload an image, …
Tag: python
How to split a dataframe by unique groups and save to a csv
I have a pandas dataframe I would like to iterate over. A simplified example of my dataframe: I would like to iterate over each unique gene and create a new file named: For the above example I should get three iterations with 3 outfiles and 3 dataframes: The resulting data frame contents split up by chunks wi…
‘image “pyimage2” doesn’t exist’?
This is where the error is found: I don’t understand why this isn’t working. I have another image in my program here: I also get a similar error when I try to call the above definition after it has already been initially called (for example when my program logs out) so I have readjusted so the win…
Read specific columns with pandas or other python module
I have a csv file from this webpage. I want to read some of the columns in the downloaded file (the csv version can be downloaded in the upper right corner). Let’s say I want 2 columns: 59 which in the header is star_name 60 which in the header is ra. However, for some reason the authors of the webpage
Find the column name of the second largest value of each row in a Pandas DataFrame
I am trying to find column name associated with the largest and second largest values in a DataFrame, here’s a simplified example (the real one has over 500 columns): Needs to become: I can find the column name with the largest value (i,e, 1larg above) with idxmax, but how can I find the second largest?…
Encrypted and secure docker containers
We all know situations when you cannot go open source and freely distribute software – and I am in one of these situations. I have an app that consists of a number of binaries (compiled from C sources) and Python code that wraps it all into a system. This app used to work as a cloud solution so users ha…
nltk download url authorization issue
I tried to update my nltk data with nltk.download() but I got HTTP Error 401: Authorization Required. When I traced the url in question, I found it in downloader.py DEFAULT_URL = ‘http://nltk.googlecode.com/svn/trunk/nltk_data/index.xml’ I then copied that URL and ran it in my browser to find out …
Scientific notation colorbar in matplotlib
I am trying to put a colorbar to my image using matplotlib. The issue comes when I try to force the ticklabels to be written in scientific notation. How can I force the scientific notation (ie, 1×10^0, 2×10^0, …, 1×10^2, and so on) in the ticks of the color bar? Example, let’s creat…
How to format axis number format to thousands with a comma
How can I change the format of the numbers in the x-axis to be like 10,000 instead of 10000? Ideally, I would just like to do something like this: Here is the code: Answer Use , as format specifier: Alternatively you can also use str.format instead of format: With matplotlib.ticker.FuncFormatter:
How do I pass parameters to a salt state file?
I want to create a group and user using salt state files, but I do not know the group, gid, user, uid, sshkey until I need to execute the salt state file which I would like to pass in as parameters. I have read about Pillar to create the variable. How do I create pillars before execution? /srv/salt/group.sls:…