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Linear Regression and group by in R
...ction. My data is an annual time series with one field for year (22 years) and another for state (50 states). I want to fit a regression for each state so that at the end I have a vector of lm responses. I can imagine doing for loop for each state then doing the regression inside the loop and adding...
Python csv string to array
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You can convert a string to a file object using io.StringIO and then pass that to the csv module:
from io import StringIO
import csv
scsv = """text,with,Polish,non-Latin,letters
1,2,3,4,5,6
a,b,c,d,e,f
gęś,zółty,wąż,idzie,wą...
Truncate a string straight JavaScript
... If your "string" is a number you also need to insert .toString(). to convert it to a string that substring() can handle.
– not2qubit
Jan 26 '18 at 12:12
1
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Create boolean column in MySQL with false as default value?
...s successful or 'true'. It would be nice if MySQL actually returned 'true' and 'false' so that we didn't have to rely on the code deciding what the value means.
– tu-Reinstate Monica-dor duh
May 28 '15 at 3:17
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Reading JSON from a file?
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In python 3, we can use below method.
Read from file and convert to JSON
import json
from pprint import pprint
# Considering "json_list.json" is a json file
with open('json_list.json') as fd:
json_data = json.load(fd)
pprint(json_data)
with statement automatically cl...
Does Swift support reflection?
... Swift support reflection? e.g. is there something like valueForKeyPath: and setValue:forKeyPath: for Swift objects?
6...
Git, fatal: The remote end hung up unexpectedly
...D changes into a state where merging them became obnoxious (everything was converted to an ADD). I wish I had researched this one more before running it.
– MatrixManAtYrService
Jul 1 '16 at 3:40
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what is reverse() in Django
...e sure what this is but it is used together with HttpResponseRedirect. How and when is this reverse() supposed to be used?
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Best approach for GPGPU/CUDA/OpenCL in Java?
...der Aparapi. It allows you to write your code in Java and will attempt to convert bytecode to OpenCL at runtime.
Full disclosure. I am the Aparapi developer.
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How to read contacts on Android 2.0
I'm working on Android 2.0 and am trying to receive a list of all contacts.
9 Answers
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