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In which situations do we need to write the __autoreleasing ownership qualifier under ARC?
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Change one value based on another value in pandas
...for you.
import pandas
df = pandas.read_csv("test.csv")
df.loc[df.ID == 103, 'FirstName'] = "Matt"
df.loc[df.ID == 103, 'LastName'] = "Jones"
As mentioned in the comments, you can also do the assignment to both columns in one shot:
df.loc[df.ID == 103, ['FirstName', 'LastName']] = 'Matt', 'Jones...
When would you use .git/info/exclude instead of .gitignore to exclude files?
...ore in your comment above. My understanding is that ignore rules can be at 3 levels - $PROJECT/.git/info/exclude for (project, user) specific ignore rules, $PROJECT/<any number of directories>/.gitignore which is for project specific ignore rules across any user anywhere (when checked in), ~/...
Select between two dates with Django
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Use the __range operator:
...filter(current_issue__isnull=True, created_at__range=(start_date,...
Convert a list to a dictionary in Python
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from itertools import izip
i = iter(a)
b = dict(izip(i, i))
In Python 3 you could also use a dict comprehension, but ironically I think the simplest way to do it will be with range() and len(), which would normally be a code smell.
b = {a[i]: a[i+1] for i in range(0, len(a), 2)}
So the iter(...
Post JSON using Python Requests
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As of Requests version 2.4.2 and onwards, you can alternatively use 'json' parameter in the call...
How can I perform a culture-sensitive “starts-with” operation from the middle of a string?
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How to run multiple DOS commands in parallel?
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ansible: lineinfile for several lines?
... = 2097152' }
- { regexp: '^kernel.shmmax', line: 'kernel.shmmax = 134217728' }
- { regexp: '^fs.file-max', line: 'fs.file-max = 65536' }
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Generate table relationship diagram from existing schema (SQL Server) [closed]
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community wiki
3 revs, 3 users 33%Gripsoft
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