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Learning Ruby on Rails
... and C# developer. The more and more I look at Ruby on Rails, the more I really want to learn it.
56 Answers
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Understanding “randomness”
...iable or its multiplication, you should be aware that while Random() is usually uniformly distributed, Random() * Random() is not.
Example
This is a uniform random distribution sample simulated through a pseudo-random variable:
BarChart[BinCounts[RandomReal[{0, 1}, 50000], 0.01]]
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Java Equivalent of C# async/await?
I am a normal C# developer but occasionally I develop application in Java. I'm wondering if there is any Java equivalent of C# async/await?
In simple words what is the java equivalent of:
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Getting distance between two points based on latitude/longitude
...just on answering the specific bug OP ran into.
It's because in Python, all the trig functions use radians, not degrees.
You can either convert the numbers manually to radians, or use the radians function from the math module:
from math import sin, cos, sqrt, atan2, radians
# approximate radiu...
ls command: how can I get a recursive full-path listing, one line per file?
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If you really want to use ls, then format its output using awk:
ls -R /path | awk '
/:$/&&f{s=$0;f=0}
/:$/&&!f{sub(/:$/,"");s=$0;f=1;next}
NF&&f{ print s"/"$0 }'
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What is JSON and why would I use it?
...the official documentation, but I still haven't got to the point where I really understand what JSON is, and why I'd use it.
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Why doesn't java.util.Set have get(int index)?
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Actually this is a recurring question when writing JavaEE applications which use Object-Relational Mapping (for example with Hibernate); and from all the people who replied here, Andreas Petersson is the only one who understood t...
The remote end hung up unexpectedly while git cloning
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Quick solution:
With this kind of error, I usually start by raising the postBuffer size by:
git config --global http.postBuffer 524288000
(some comments below report having to double the value):
git config --global http.postBuffer 1048576000
More information:
From...
Android: TextView: Remove spacing and padding on top and bottom
...e below the other with no spacing in between. I have set the following for all three TextView s.
20 Answers
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How can I debug a HTTP POST in Chrome?
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Note: To actually see a post request that reloads your page, you need to check "Preserve Log".
– Bryce Guinta
Oct 31 '16 at 19:19
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