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Django - how to create a file and save it to a model's FileField?
...oring to the right spot, not creating duplicate files etc).
Django 1.4.1
Python 2.7.3
#Model
class MonthEnd(models.Model):
report = models.FileField(db_index=True, upload_to='not_used')
import csv
from os.path import join
#build and store the file
def write_csv():
path = join(settings.M...
How to open every file in a folder?
I have a python script parse.py, which in the script open a file, say file1, and then do something maybe print out the total number of characters.
...
Finding what branch a Git commit came from
...m to be maintained anymore.
git-when-merged is an alternative written in Python that's working very well for me.
It is based on "Find merge commit which include a specific commit".
git when-merged [OPTIONS] COMMIT [BRANCH...]
Find when a commit was merged into one or more branches.
Find...
Handle file download from ajax post
... need to carefully set few things at the server side. I set few headers in Python Django HttpResponse. You need to set them accordingly if you use other programming languages.
# In python django code
response = HttpResponse(file_content, content_type="application/vnd.openxmlformats-officedocument.s...
Convert pandas timezone-aware DateTimeIndex to naive timestamp, but in certain timezone
...
Late contribution but just came across something similar in Python datetime and pandas give different timestamps for the same date.
If you have timezone-aware datetime in pandas, technically, tz_localize(None) changes the POSIX timestamp (that is used internally) as if the local time ...
How to perform OR condition in django queryset?
...
Because QuerySets implement the Python __or__ operator (|), or union, it just works. As you'd expect, the | binary operator returns a QuerySet so order_by(), .distinct(), and other queryset filters can be tacked on to the end.
combined_queryset = User.obje...
What is the difference between declarative and imperative programming? [closed]
...ve language is when you say how to get what you want.
A simple example in Python:
# Declarative
small_nums = [x for x in range(20) if x < 5]
# Imperative
small_nums = []
for i in range(20):
if i < 5:
small_nums.append(i)
The first example is declarative because we do not speci...
Why functional languages? [closed]
...t functional programming features and you can do functional programming in Python too. I think the reasons for the popularity of functional programming is mostly because of two reasons: Concurrency is getting to be a real problem in normal programming because we're getting more and more multiprocess...
What is this Javascript “require”?
...languages with minor differences in syntax and behavior, like C's include, Python's import, and so on.
One big difference between Node.js modules and browser JavaScript is how one script's code is accessed from another script's code.
In browser JavaScript, scripts are added via the <script>...
What's the algorithm to calculate aspect ratio?
...want to round up that 683:384 ratio to the closest, 16:9 ratio.
I wrote a python script that parses a text file with pasted numbers from the Steam Hardware survey page, and prints all resolutions and closest known ratios, as well as the prevalence of each ratio (which was my goal when I started thi...