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Code Golf: Lasers
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Perl, 166 160 characters
Perl, 251 248 246 222 214 208 203 201 193 190 180 176 173 170 166 --> 160 chars.
Solution had 166 strokes when this contest ended, but A. Rex has found a couple ways to shave off 6 more characters:
s!.!$t{$s++}=$&!ge,$s=$r+=99for<>;%d='>....
How to find out if a Python object is a string?
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305
Python 2
Use isinstance(obj, basestring) for an object-to-test obj.
Docs.
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How to detect responsive breakpoints of Twitter Bootstrap 3 using JavaScript?
Currently , Twitter Bootstrap 3 have the following responsive breakpoints: 768px, 992px and 1200px, representing small, medium and large devices respectively.
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What is the difference between children and childNodes in JavaScript?
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347
Understand that .children is a property of an Element. 1 Only Elements have .children, and the...
Why does Environment.Exit() not terminate the program any more?
...fender, wdboot.sys, wdfilter.sys, tcpip.sys, rpcrt4.dll, uxtheme.dll, crypt32.dll and wintrust.dll
Uxtheme.dll is the odd-duck out. It implements the Visual Styles theming API and is used by this test program. I can't be sure, but my money is on that one as the source of the problem. The copy in ...
How to map and remove nil values in Ruby
...t to become the norm very soon.
For example:
numbers = [1, 2, 5, 8, 10, 13]
enum.filter_map { |i| i * 2 if i.even? }
# => [4, 16, 20]
In your case, as the block evaluates to falsey, simply:
items.filter_map { |x| process_x url }
"Ruby 2.7 adds Enumerable#filter_map" is a good read on the s...
Are default enum values in C the same for all compilers?
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James McNellisJames McNellis
319k7070 gold badges865865 silver badges944944 bronze badges
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Which Python memory profiler is recommended? [closed]
...(h.heap())
This gives you some output like this:
Partition of a set of 132527 objects. Total size = 8301532 bytes.
Index Count % Size % Cumulative % Kind (class / dict of class)
0 35144 27 2140412 26 2140412 26 str
1 38397 29 1309020 16 3449432 42 tuple
2 530 0 7398...
Java URL encoding of query string parameters
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1183
URLEncoder is the way to go. You only need to keep in mind to encode only the individual query s...