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Get person's age in Ruby
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410
I know I'm late to the party here, but the accepted answer will break horribly when trying to w...
Get the first element of each tuple in a list in Python [duplicate]
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196
Use a list comprehension:
res_list = [x[0] for x in rows]
Below is a demonstration:
>&g...
Android 4.3 menu item showAsAction=“always” ignored
...he new v7 appcompat library available starting from Android 4.3 (API level 18).
12 Answers
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Using GCC to produce readable assembly?
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10 Answers
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How to call C from Swift?
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106
Yes, you can of course interact with Apples C libraries. Here is explained how.
Basically, th...
In practice, what are the main uses for the new “yield from” syntax in Python 3.3?
...rapper(reader())
for i in wrap:
print(i)
# Result
<< 0
<< 1
<< 2
<< 3
Instead of manually iterating over reader(), we can just yield from it.
def reader_wrapper(g):
yield from g
That works, and we eliminated one line of code. And probably the intent is a little ...
Is there a way to break a list into columns?
My webpage has a 'skinny' list: for example, a list of 100 items of one word in length each. To reduce scrolling, I want to present this list in two or even four columns on the page. How should I do this with CSS?
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Resize image in the wiki of GitHub using Markdown
...ple:
Old Answer:
This should work:
[[ http://url.to/image.png | height = 100px ]]
Source: https://guides.github.com/features/mastering-markdown/
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open read and close a file in 1 line of code
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11 Answers
11
Active
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How can I avoid running ActiveRecord callbacks?
....new(:name => 'foo')
p.send(:create_without_callbacks)
p = Person.find(1)
p.send(:update_without_callbacks)
This is definitely something that you'll only really want to use in the console or while doing some random tests. Hope this helps!
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