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How do I convert an existing callback API to promises?
I want to work with promises but I have a callback API in a format like:
20 Answers
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no acceptable C compiler found in $PATH when installing python
...compiler is not in your $PATH.
It means either you dont have gcc installed or it's not in your $PATH variable.
To install gcc use this: (run as root)
Redhat base:
yum groupinstall "Development Tools"
Debian base:
apt-get install build-essential
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Generate array of all letters and digits
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[*('a'..'z'), *('0'..'9')] # doesn't work in Ruby 1.8
or
('a'..'z').to_a + ('0'..'9').to_a # works in 1.8 and 1.9
or
(0...36).map{ |i| i.to_s 36 }
(the Integer#to_s method converts a number to a string representing it in a desired numeral system)
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Resize image to full width and fixed height with Picasso
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You are looking for:
.fit().centerCrop()
What these mean:
fit - wait until the ImageView has been measured and resize the image to exactly match its size.
centerCrop - scale the image honoring the aspect ratio until it fills the size. Cr...
Is SonarQube Replacement for Checkstyle, PMD, FindBugs?
We are working on a web project from scratch and are looking at the following static code analysis tools.
8 Answers
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Float vs Decimal in ActiveRecord
Sometimes, Activerecord data types confuse me. Err, often. One of my eternal questions is, for a given case,
3 Answers
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ElasticSearch - Return Unique Values
How would I get the values of all the languages from the records and make them unique.
5 Answers
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What is the difference between the bridge pattern and the strategy pattern?
I tried to read many articles on dofactory , wikipedia and many sites.
I have no idea on differences between bridge pattern and the strategy pattern.
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Best practices around generating OAuth tokens?
I realize that the OAuth spec doesn't specify anything about the origin of the ConsumerKey, ConsumerSecret, AccessToken, RequestToken, TokenSecret, or Verifier code, but I'm curious if there are any best practices for creating significantly secure tokens (especially Token/Secret combinations).
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