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Efficiency of purely functional programming
...i 1992. "On Pointers versus Addresses" Journal of the ACM, 39(3), pp. 617-648, July 1992
Ben-Amram, Amir 1996. "Notes on Pippenger's Comparison of Pure and Impure Lisp" Unpublished manuscript, DIKU, University of Copenhagen, Denmark
Bird, Richard, Jones, Geraint, and De Moor, Oege 1997. "More haste,...
Store a closure as a variable in Swift
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edited Oct 17 '16 at 19:47
answered Jul 7 '14 at 7:09
Mar...
Android and XMPP: Currently available solutions [closed]
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Smack
Smack is a open-source XMPP client library. Since version 4.1 it runs natively on Android. For more information have a look at the "Smack 4.3 Readme" and see the Smack project page at Ignite Realtime.
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Convert list of dictionaries to a pandas DataFrame
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1044
Supposing d is your list of dicts, simply:
df = pd.DataFrame(d)
Note: this does not work with ...
Firefox session cookies
... Check out this Bugzilla bug:
https://bugzilla.mozilla.org/show_bug.cgi?id=443354
Firefox has a feature where you close Firefox and it offers to save all your tabs, and then you restore the browser and those tabs come back. That's called session restore. What I didn't realize is that it'll also res...
iOS White to Transparent Gradient Layer is Gray
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answered Jul 22 '14 at 18:49
Eric GaoEric Gao
3,21222 gold badges1414 silver badges2626 bronze badges
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How did I get a value larger than 8 bits in size from an 8-bit integer?
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answered Apr 20 '13 at 22:24
user743382user743382
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Using 'return' in a Ruby block
...value = block.call
irb(main):003:1> puts "value=#{value}"
irb(main):004:1> end
=> nil
irb(main):005:0>
irb(main):006:0* thing {
irb(main):007:1* return 6 * 7
irb(main):008:1> }
LocalJumpError: unexpected return
from (irb):7:in `block in irb_binding'
from (irb):2:in...
How to determine an interface{} value's “real” type?
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return "negative"
}
return i
}
func main() {
var i = 42
if w, ok := weird(7).(int); ok {
i += w
}
if w, ok := weird(-100).(int); ok {
i += w
}
fmt.Println("i =", i)
}
Output:
i = 49
It uses Type assertions.
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How to force LINQ Sum() to return 0 while source collection is empty
...imon Belanger
13.5k33 gold badges3333 silver badges3434 bronze badges
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