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What's the difference between “groups” and “captures” in .NET regular expressions?
...th d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44.6595 ...
What is the most effective way for float and double comparison?
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– Maxim Egorushkin
Feb 19 '14 at 16:40
14
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How do JavaScript closures work?
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4014
Every function in JavaScript maintains a link to its outer lexical environment. A lexical env...
How to enable local network users to access my WAMP sites?
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@RiggsFolly I have done that but still it doesn't works. 403 Forbidden.
– gegobyte
Jun 4 '15 at 14:12
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show 18 more comme...
Why do we copy then move?
...th d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44.6595 ...
How do you parse and process HTML/XML in PHP?
...ed things.
– Gordon
Aug 31 '10 at 7:40
3
He's got one valid point: simpleHTMLDOM is hard to exten...
How to explain Katana and OWIN in simple words and uses?
...Callum Watkins
2,22222 gold badges2323 silver badges4040 bronze badges
answered Mar 9 '14 at 8:28
Admir TuzovićAdmir Tuzović
10....
Why is an int in OCaml only 31 bits?
... Examples include the Burroughs B5000, the various Lisp Machines or the AS/400. Unfortunately, most of the current mainstream CPUs don't have that feature.
However, there is a way out: most current mainstream CPUs work significantly slower when addresses aren't aligned on word boundaries. Some even...
What is the difference between SAX and DOM?
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load an excel of 40m size,use 200m memory when use a SAX parser,but use 9g memory when use DOM parser.
– zhiyuan_
Nov 2 '18 at 3:55
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Grouping functions (tapply, by, aggregate) and the *apply family
...34 42
[2,] 20 28 36 44
[3,] 22 30 38 46
[4,] 24 32 40 48
If you want row/column means or sums for a 2D matrix, be sure to
investigate the highly optimized, lightning-quick colMeans,
rowMeans, colSums, rowSums.
lapply - When you want to apply a function to each element of ...