How can I filter lines on load in Pandas read_csv function?
How can I filter which lines of a CSV to be loaded into memory using pandas? This seems like an option that one should find in read_csv. Am I missing something?
python
Change specific value in CSV file via Python
I need a way to change the specific value of a column of a CSV file. For example I have this CSV file:
Django FileField with upload_to determined at runtime
I’m trying to set up my uploads so that if user joe uploads a file it goes to MEDIA_ROOT/joe as opposed to having everyone’s files go to MEDIA_ROOT. The problem is I don’t know how to define this in the model. Here is how it currently looks:
How to put individual tags for a matplotlib scatter plot?
I am trying to do a scatter plot in matplotlib and I couldn’t find a way to add tags to the points. For example:
Why is parenthesis in print voluntary in Python 2.7?
In Python 2.7 both the following will do the same
Why do I need ‘b’ to encode a string with Base64?
Following this python example, I encode a string as Base64 with:
How to manually install a pypi module without pip/easy_install?
I want to use the gntp module to display toaster-like notifications for C/C++ software. I want to package all the dependencies for the software to be self-executable on another computer.
df.append() is not appending to the DataFrame
I formulated this question about adding rows WITH index, but it is not yet clear to me how/why this happens when there are no indexes:
Plot two histograms on single chart with matplotlib
I created a histogram plot using data from a file and no problem. Now I wanted to superpose data from another file in the same histogram, so I do something like this