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How to list containers in Docker
There's a command to list images, docker images , but there doesn't seem to be a corresponding docker containers .
14 Ans...
How can I determine whether a 2D Point is within a Polygon?
...t the line in linear equation standard form: A*x + B*y + C = 0
// See: http://en.wikipedia.org/wiki/Linear_equation
a1 = v1y2 - v1y1;
b1 = v1x1 - v1x2;
c1 = (v1x2 * v1y1) - (v1x1 * v1y2);
// Every point (x,y), that solves the equation above, is on the line,
// every point th...
Read file line by line using ifstream in C++
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@EdwardKarak: I don't understand what "commas as the token" means. Commas don't represent integers.
– Kerrek SB
Oct 18 '14 at 14:22
8
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Is there a timeout for idle PostgreSQL connections?
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What's the difference between NOT EXISTS vs. NOT IN vs. LEFT JOIN WHERE IS NULL?
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Delete element in a slice
...he link to see implications re memory leaks if your array is of pointers.
https://github.com/golang/go/wiki/SliceTricks
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What does .SD stand for in data.table in R
... here are 16 visually distinct colors, taken from the list of 20 here:
# https://sashat.me/2017/01/11/list-of-20-simple-distinct-colors/
col16 = c('#e6194b', '#3cb44b', '#ffe119', '#0082c8', '#f58231', '#911eb4',
'#46f0f0', '#f032e6', '#d2f53c', '#fabebe', '#008080', '#e6beff',
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Microsoft Excel mangles Diacritics in .csv files?
...ersions.
You don't believe me? I wouldn't either, but read here and weep: http://wiki.sdn.sap.com/wiki/display/ABAP/CSV+tests+of+encoding+and+column+separator
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Batch equivalent of Bash backticks
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Changing the status bar text color in splash screen iOS 7
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