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What do you call the -> operator in Ruby?
..."Methods, Procs, Lambdas, and Closures"), a lambda defined using -> is called lambda literal.
succ = ->(x){ x+1 }
succ.call(2)
The code is equivalent to the following one.
succ = lambda { |x| x + 1 }
succ.call(2)
Informally, I have heard it being called stabby lambda or stabby literal....
Which ORM should I use for Node.js and MySQL? [closed]
...ed Nov 14 '18 at 18:14
Patrick Gallagher
17322 silver badges1313 bronze badges
answered Oct 4 '11 at 10:26
dre...
How do I get the current version of my iOS project in code?
...to make this extension on NSBundle instead of UIApplication this will also allow to replace static calls with the instance ones.
– Zapko
Dec 9 '16 at 1:03
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How to search and replace text in a file?
...do this yourself instead. Redirecting sys.stdout isn't a great idea, especially if you're doing it without a try..finally like fileinput does. If an exception gets raised, your stdout might never get restored.
– craigds
Dec 18 '14 at 3:09
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Python - json without whitespaces
... indent=0 generates newlines, while indent=None (default) does not in 2.7. All is clearly stated at: docs.python.org/3/library/json.html#json.dump
– Ciro Santilli 郝海东冠状病六四事件法轮功
Jul 28 '16 at 14:01
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How does Angular $q.when work?
...
Calling $q.when takes a promise or any other type, if it is not a promise then it will wrap it in a promise and call resolve. If you pass a value to it then it is never going to be rejected.
From the docs:
Wraps an object...
Split a vector into chunks in R
...ks of size 20:
split(d, ceiling(seq_along(d)/20))
More details: I think all you need is seq_along(), split() and ceiling():
> d <- rpois(73,5)
> d
[1] 3 1 11 4 1 2 3 2 4 10 10 2 7 4 6 6 2 1 1 2 3 8 3 10 7 4
[27] 3 4 4 1 1 7 2 4 6 0 5 7 4 6 8 4 7 1...
Python Requests - No connection adapters
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You need to include the protocol scheme:
'http://192.168.1.61:8080/api/call'
Without the http:// part, requests has no idea how to connect to the remote server.
Note that the protocol scheme must be all lowercase; if your URL starts with HTTP:// for example, it won’t find the http:// connect...
Should I use SVN or Git? [closed]
...r. It's decentralised to a point where people can track their own edits locally without having to push things to an external server.
SVN is designed to be more central where Git is based on each user having their own Git repo and those repos push changes back up into a central one. For that reason,...
Java Mouse Event Right Click
...s.
How to detect right-click event for Mac OS
BUTTON3 is the same across all platforms, being equal to the right mouse button. BUTTON2 is simply ignored if the middle button does not exist.
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