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Django REST Framework: adding additional field to ModelSerializer
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Note that SerializerMethodField is read-only, so this won't work for incoming POST/PUT/PATCH.
– Scott A
Aug 4 '15 at 19:12
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Post Build exited with code 1
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My reason for the Code 1 was that the target folder was read only. Hope this helps someone!
I had a post build event to do a copy from one directory to another and the destination was read only. So I just went and unchecked the read-only attribute on the directory and all its sub...
Recursively counting files in a Linux directory
...hat's not going to help, unless some implementation of wc has an option to read a null terminated list. See my answer for an alternative.
– Reinstate Monica Please
Mar 16 '15 at 1:34
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How to call an external command?
...ocess.Popen("echo Hello World", shell=True, stdout=subprocess.PIPE).stdout.read()
instead of:
print os.popen("echo Hello World").read()
but it is nice to have all of the options there in one unified class instead of 4 different popen functions. See the documentation.
The call function from th...
In a Django form, how do I make a field readonly (or disabled) so that it cannot be edited?
In a Django form, how do I make a field read-only (or disabled)?
26 Answers
26
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JSON to pandas DataFrame
...th1+'&sensor=false')
response = urlopen(request)
elevations = response.read()
data = json.loads(elevations)
df = pd.json_normalize(data['results'])
This gives a nice flattened dataframe with the json data that I got from the Google Maps API.
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Read each line of txt file to new array element
I am trying to read every line of a text file into an array and have each line in a new element.
My code so far.
11 Answe...
Language Books/Tutorials for popular languages
... in many cases, this means a real dead-tree book.
If you want to learn C, read K&R. If you want to learn C++, read Stroustrup. If you want to learn Lisp/Scheme, read SICP. Etc.
If you're not willing to spend more than $30 and a few hours to learn a language, you probably aren't going to lea...
When to encode space to plus (+) or %20?
...rt" it but what does that mean? It's either the server or client code that reads the query string and decodes it, not the browser. The browser simply passes it back and forth, and since the + is a reserved character it will be preserved by the browser.
– Dave Van den Eynde
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Why does scanf() need “%lf” for doubles, when printf() is okay with just “%f”?
Why is it that scanf() needs the l in " %lf " when reading a double , when printf() can use " %f " regardless of whether its argument is a double or a float ?
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