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Convert array to JSON
... script unless you're planning to support older browsers like IE7 or Firefox 3.0. See CanIUse for the support chart.
– Spudley
May 26 '13 at 21:35
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How do I keep Python print from adding newlines or spaces? [duplicate]
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You need to call sys.stdout.flush() because otherwise it will hold the text in a buffer and you won't see it.
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How to validate IP address in Python? [duplicate]
...t. Just ask.
import socket
try:
socket.inet_aton(addr)
# legal
except socket.error:
# Not legal
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Class type check in TypeScript
...ich is new for ActionScript 3.0, allows you to test whether a variable or expression is a member of a given data type. In previous versions of ActionScript, the instanceof operator provided this functionality, but in ActionScript 3.0 the instanceof operator should not be used to test for data type m...
Ukkonen's suffix tree algorithm in plain English
...ck at this point. I've spent days trying to fully wrap my head around suffix tree construction, but because I don't have a mathematical background, many of the explanations elude me as they start to make excessive use of mathematical symbology. The closest to a good explanation that I've found is F...
What are file descriptors, explained in simple terms?
...file descriptors, if you open lots of files at once. Which will prevent *nix systems from running, since they open descriptors to stuff in /proc all the time.
– Spencer Rathbun
May 10 '12 at 12:51
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raw vs. html_safe vs. h to unescape html
...is to "revert" an html_safe declaration, pretty unusual.
Prepending your expression with raw is actually equivalent to calling to_s chained with html_safe on it, but is declared on a helper, just like h, so it can only be used on controllers and views.
"SafeBuffers and Rails 3.0" is a nice explana...
Vagrant reverse port forwarding?
...ing vagrant ssh -- -R 12345:localhost:80 This follows the ssh option syntax -R [bind_address:]port:host:hostport, where the first number is the port number to listen on inside the guest machine, and the last two are the service address as visible from the host machine.
– Eero
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Object.getOwnPropertyNames vs Object.keys
... Object.getOwnPropertyNames and Object.keys in javascript? Also some examples would be appreciated.
5 Answers
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How to disable “Save workspace image?” prompt in R?
When I exit the interactive R shell, it displays an annoying prompt every time:
11 Answers
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