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Javascript: best Singleton pattern [duplicate]
I'm using this pattern for singletons, in the example the singleton is PlanetEarth:
4 Answers
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How do I hide the status bar in a Swift iOS app?
I'd like to remove the status bar at the top of the screen.
27 Answers
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Best way to convert strings to symbols in hash
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In Ruby >= 2.5 (docs) you can use:
my_hash.transform_keys(&:to_sym)
Using older Ruby version? Here is a one-liner that will copy the hash into a new one with the keys symbolized:
my_hash = my_hash.inject({}){|memo,(k,v)| memo[k.to_sym] = v; memo}
With Rails you can use:
my_ha...
Mail multipart/alternative vs multipart/mixed
...ime.audio import MIMEAudio
from email.mime.base import MIMEBase
SCOPES = 'https://www.googleapis.com/auth/gmail.send'
CLIENT_SECRET_FILE1 = 'client_secret.json'
location = os.path.realpath(
os.path.join(os.getcwd(), os.path.dirname(__file__)))
CLIENT_SECRET_FILE = os.path.join(location, CLIENT_...
How to darken a background using CSS?
I have an element with text in it. Whenever I decrease the opacity, then I decrease the opacity of the WHOLE body. Is there any way I can just make the background-image darker, and not everything else?
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“for” vs “each” in Ruby
I just had a quick question regarding loops in Ruby. Is there a difference between these two ways of iterating through a collection?
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“Debug certificate expired” error in Eclipse Android plugins
I am using Eclipse Android plugins to build a project, but I am
getting this error in the console window:
17 Answers
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Preferred way to create a Scala list
...re several ways to construct an immutable list in Scala (see contrived example code below). You can use a mutable ListBuffer, create a var list and modify it, use a tail recursive method, and probably others that I don't know about.
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How to paste text to end of every line? Sublime 2
I'm curious if there is a way to paste text to the end of every line in Sublime 2? And conversely, to the beginning of every line.
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How to vertically align a html radio button to it's label?
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Try this:
input[type="radio"] {
margin-top: -1px;
vertical-align: middle;
}
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