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Calculate distance between 2 GPS coordinates
... * d2r;
double dlat = (lat2 - lat1) * d2r;
double a = pow(sin(dlat/2.0), 2) + cos(lat1*d2r) * cos(lat2*d2r) * pow(sin(dlong/2.0), 2);
double c = 2 * atan2(sqrt(a), sqrt(1-a));
double d = 6367 * c;
return d;
}
double haversine_mi(double lat1, double long1, double lat2, double lo...
postgres: upgrade a user to be a superuser?
...sterweily You can do \du to list all users/roles.
– XåpplI'-I0llwlg'I -
Apr 6 '14 at 23:38
...
How do you do a ‘Pause’ with PowerShell 2.0?
... is out of scope because the original question only asked about Powershell 2.0 and excluded ISE. If you're using ISE, then just use a breakpoint.
– Ro Yo Mi
Aug 8 '17 at 13:19
4
...
Interface type check with Typescript
... object.barProperty;
}
And just as Joe Yang mentioned: since TypeScript 2.0, you can even take the advantage of tagged union type.
interface Foo {
type: 'foo';
fooProperty: string;
}
interface Bar {
type: 'bar';
barProperty: number;
}
let object: Foo | Bar;
// You will see err...
How to install an npm package from GitHub directly?
... Global installs seem to be working in npm 3.3.8.
– XåpplI'-I0llwlg'I -
Oct 23 '15 at 7:34
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show 6 more comments
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How to select rows with one or more nulls from a pandas DataFrame without listing columns explicitly
...s_sums(df, 2))
Output
num_legs num_wings num_specimen_seen
0 2.0 2.0 10.0
1 4.0 0.0 NaN
2 NaN NaN 1.0
3 0.0 0.0 8.0
4 NaN 9.0 NaN
[2, 4]
Then, if you'r...
Loading local JSON file
...s empty. Might be useful for someone out there :)
– Håvard Geithus
Jun 28 '15 at 17:43
1
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php Replacing multiple spaces with a single space [duplicate]
...t/manual/en/function.mb-ereg-replace.php
– Juha Palomäki
Oct 3 '16 at 13:03
1
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Negative matching using grep (match lines that do not contain foo)
...
@OlleHärstedt, I think I misunderstood your scenario in my previous comment, the following may be what you're looking for grep "" /dev/null * | grep foo | grep -v bar | cut -d: -f1 | sort -u (why the first grep?, there's always a ...
UILabel Align Text to center
... Apr 30 '18 at 11:58
Linus Unnebäck
14k99 gold badges5959 silver badges7575 bronze badges
answered Jul 12 '12 at 8:20
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