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Formatting a float to 2 decimal places
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Just in case you're unsure (I was), all of these ways for formatting a float value do provide rounding.
– RenniePet
Nov 12 '17 at 15:03
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configure: error: C compiler cannot create executables
...be left over from migrating from an older version of the OS. If you've installed Xcode 4.3.x, you need to launch it, go into its preferences, select the Downloads tab, and click "Install" next to the Command Line Tools package.
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How to send and retrieve parameters using $state.go toParams and $stateParams?
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The Nathan Matthews's solution did not work for me but it is totally correct but there is little point to reaching a workaround:
The key point is: Type of defined parameters and toParamas of $state.go should be same array or object on both sides of state transition.
For example when yo...
how to implement a long click listener on a listview
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Be sure to call lv.setLongClickable(true); also.
– Chris Lacy
Jan 6 '13 at 5:10
15
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How can I fill a div with an image while keeping it proportional?
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In IE9 the image is not centered vertically or horizontally with this method, it is aligned to the top and left. i59.tinypic.com/ouo77s.png
– Mike Kormendy
Oct 26 '14 at 20:05
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How can bcrypt have built-in salts?
...$2a$10$vI8aWBnW3fID.ZQ4/zo1G.q1lRps.9cGLcZEiGDMVr5yUP1KUOYTa
This is actually three fields, delimited by "$":
2a identifies the bcrypt algorithm version that was used.
10 is the cost factor; 210 iterations of the key derivation function are used (which is not enough, by the way. I'd recommend a ...
Java or Python for Natural Language Processing [closed]
...s you're heading a project.
Other than NLTK (www.nltk.org), there are actually other libraries for text processing in python:
TextBlob: http://textblob.readthedocs.org/en/dev/
Gensim: http://radimrehurek.com/gensim/
Pattern: http://www.clips.ua.ac.be/pattern
Spacy:: http://spacy.io
Orange: http:/...
Compare double to zero using epsilon
...0 00000000 00000000 00000000 00000000 00000000 00000000 × 2^0 = 1
The smallest representable number greater than 1:
1.0000 00000000 00000000 00000000 00000000 00000000 00000001 × 2^0 = 1 + 2^-52
Therefore:
epsilon = (1 + 2^-52) - 1 = 2^-52
Are there any numbers between 0 and epsilon? Plent...
What's the right OAuth 2.0 flow for a mobile app
...nt authorization flow (defined in Section 4.2 of OAuth 2.0 [RFC6749]) generally works with the practice of performing the authorization request in the browser and receiving the authorization response via URI-based inter-app communication.
However, as the implicit flow cannot be protected by PKCE [RF...
How do I print out the contents of an object in Rails for easy debugging?
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I generally first try .inspect, if that doesn't give me what I want, I'll switch to .to_yaml.
class User
attr_accessor :name, :age
end
user = User.new
user.name = "John Smith"
user.age = 30
puts user.inspect
#=> #<User:0x...