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Should I use scipy.pi, numpy.pi, or math.pi?
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answered Sep 28 '12 at 18:38
BrenBarnBrenBarn
197k2727 gold badges348348 silver badges337337 bronze badges
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In PHP, why does not show a parse error?
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273
This must be because there are various ways of starting a block of PHP code:
<? ... ?> (...
Installing older version of R package
...checkpoint and devtools
install.versions(c('checkpoint', 'devtools'), c('0.3.3', '1.6.1'))
That has the advantage of not requiring Rtools to install binary packages on Windows, but only works going back to 2014-09-17 (when MRAN was launched).
To install an older version from the command line (out...
How to make Twitter bootstrap modal full screen
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I achieved this in Bootstrap 3 with the following code:
.modal-dialog {
width: 100%;
height: 100%;
margin: 0;
padding: 0;
}
.modal-content {
height: auto;
min-height: 100%;
border-radius: 0;
}
In general, when you have questions about ...
Why would one use nested classes in C++?
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230
Nested classes are cool for hiding implementation details.
List:
class List
{
public:
...
Flask-SQLalchemy update a row's information
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213
Retrieve an object using the tutorial shown in the Flask-SQLAlchemy documentation. Once you have...
How do I increase the RAM and set up host-only networking in Vagrant?
...pler.
config.vm.define :web do |web_config|
web_config.vm.box = "lucid32"
web_config.vm.forward_port 80, 8080
end
web_config.vm.provision :puppet do |puppet|
puppet.manifests_path = "manifests"
puppet.manifest_file = "lucid32.pp"
end
...
Debugging in Clojure? [closed]
...[n] (if (< n 2) n (+ (fib (- n 1)) (fib (- n 2)))))
(dotrace [fib] (fib 3))
produces the output:
TRACE t4425: (fib 3)
TRACE t4426: | (fib 2)
TRACE t4427: | | (fib 1)
TRACE t4427: | | => 1
TRACE t4428: | | (fib 0)
TRACE t4428: | | => 0
TRACE t4426: | => 1
...
How to identify server IP address in PHP
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edited Sep 14 '16 at 13:04
David De Sloovere
3,34822 gold badges2121 silver badges2727 bronze badges
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Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
...ependency chain depending on what the register allocator decided to do.
13 GB/s has a chain: popcnt-add-popcnt-popcnt → next iteration
15 GB/s has a chain: popcnt-add-popcnt-add → next iteration
20 GB/s has a chain: popcnt-popcnt → next iteration
26 GB/s has a chain: popcnt-popcnt → next i...