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What's the difference between a proc and a lambda in Ruby?
...uts a**2+b**2 } # => #<Proc:0x3c7d28@(irb):1>
p.call 1, 2 # => 5
p.call 1 # => NoMethodError: undefined method `**' for nil:NilClass
p.call 1, 2, 3 # => 5
l = lambda {|a, b| puts a**2+b**2 } # => #<Proc:0x15016c@(irb):5 (lambda)>
l.call 1, 2 # => 5
l.call 1 # => Argu...
Count characters in textarea
...tml>
<head>
<script src="http://code.jquery.com/jquery-1.5.js"></script>
<script>
function countChar(val) {
var len = val.value.length;
if (len >= 500) {
val.value = val.value.substring(0, 500);
} else {
$('#ch...
Detect whether there is an Internet connection available on Android [duplicate]
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edited Aug 24 '15 at 17:01
answered Nov 21 '10 at 16:53
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What happens when there's insufficient memory to throw an OutOfMemoryError?
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145
The JVM never really runs out of memory. It does memory computation of the heap stack in advance...
Paging in a Rest Collection
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+75
My gut feeling is that the HTTP range extensions aren't designed for your use case, and thus you shouldn't try. A partial response imp...
Execute JavaScript code stored as a string
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edited Jan 19 '15 at 16:29
Alex K.
154k2424 gold badges236236 silver badges263263 bronze badges
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How to convert a JSON string to a Map with Jackson JSON
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325
[Update Sept 2020] Although my original answer here, from many years ago, seems to be helpful an...
node.js remove file
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edited Aug 11 '15 at 15:58
Thomas Bormans
4,12355 gold badges2929 silver badges4545 bronze badges
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How to step back in Eclipse debugger?
...Eclipse debugger? The current project I'm working on requires a minimum of 5 seconds to read and initialize data from a file before anything can be done. If I overstep in the debugger, I have to terminate the program and restart, and this takes a fair bit of time.
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Separators for Navigation
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edited Jan 17 '15 at 23:28
answered Apr 16 '11 at 19:18
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