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Compare two data.frames to find the rows in data.frame 1 that are not present in data.frame 2
...rssejleerssej
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Why does C++ require a user-provided default constructor to default-construct a const object?
...ual function, then it gives error, as expected:
http://www.ideone.com/SWk7B
Well, I think, you misunderstood the passage. It first says this (§8.5/9):
If no initializer is specified for an object, and the object is of (possibly cv-qualified) non-POD class type (or array thereof), the obje...
Why can't decimal numbers be represented exactly in binary?
...e cycle doesn't show itself until you've worked out the answer to at least 96 digits. (Actually, you'd need 96*2+1 = 193 digits to be sure.)
– Barry Brown
Sep 25 '09 at 17:04
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how to customize `show processlist` in mysql?
...nswered Apr 4 '12 at 0:11
Dereck84Dereck84
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Using .NET, how can you find the mime type of a file based on the file signature not the extension
...
84
In Urlmon.dll, there's a function called FindMimeFromData.
From the documentation
MIME ty...
How do I list all versions of a gem available at a remote site?
...
gem list rhc --remote --all
Which returns:
*** REMOTE GEMS ***
rhc (0.84.15, 0.84.13, 0.83.9, 0.82.18, 0.81.14, 0.80.5, 0.79.5, 0.77.8, 0.75.9, 0.74.6, 0.74.5, 0.73.14, 0.72.29, 0.71.2, 0.69.6, 0.69.3, 0.68.5)
rhcp (0.2.18, 0.2.17, 0.2.16, 0.2.15, 0.2.14, 0.1.9, 0.1.8, 0.1.7, 0.1.6, 0.1.5, 0.1....
Methods inside enum in C#
...kPflugMarkPflug
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Getting distance between two points based on latitude/longitude
...nce)). Vincenty distance uses more accurate ellipsoidal models such as WGS-84, and is implemented in geopy. For example,
import geopy.distance
coords_1 = (52.2296756, 21.0122287)
coords_2 = (52.406374, 16.9251681)
print geopy.distance.vincenty(coords_1, coords_2).km
will print the distance of 2...
Should I be concerned about excess, non-running, Docker containers?
...s 44 28 114.7GB 84.84GB (73%)
Containers 86 7 62.43GB 41.67GB (66%)
Local Volumes 2 1 0B 0B
Build Cache ...
How to use Elasticsearch with MongoDB?
...i Demon",
"version" : {
"number" : "1.1.2",
"build_hash" : "e511f7b28b77c4d99175905fac65bffbf4c80cf7",
"build_timestamp" : "2014-05-22T12:27:39Z",
"build_snapshot" : false,
"lucene_version" : "4.7"
},
"tagline" : "You Know, for Search"
}
Now install the Elasticsearch plug...