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Haversine Formula in Python (Bearing and Distance between two GPS points)
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243
Here's a Python version:
from math import radians, cos, sin, asin, sqrt
def haversine(lon1, l...
Linux command (like cat) to read a specified quantity of characters
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194
head works too:
head -c 100 file # returns the first 100 bytes in the file
..will extract th...
Is there a (repeat-last-command) in Emacs?
...is Conway
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answered Nov 9 '08 at 12:35
cmscms
5,37022 gold badges2424...
What is InputStream & Output Stream? Why and when do we use them?
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jmattheis
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answered Dec 2 '09 at 5:12
Chip UniChip Uni
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No increment operator (++) in Ruby? [duplicate]
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247
Ruby has no pre/post increment/decrement operator. For instance, x++ or x-- will fail to par...
How to get the path of a running JAR file?
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549
return new File(MyClass.class.getProtectionDomain().getCodeSource().getLocation()
.toURI())...
How do I specify a pointer to an overloaded function?
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milleniumbug
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answered May 31 '10 at 8:57
In silicoIn silico
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What is the difference between cout, cerr, clog of iostream header in c++? When to use which one?
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49
stdout and stderr are different streams, even though they both refer to console output by defau...
Setting an environment variable before a command in Bash is not working for the second command in a
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324
FOO=bar bash -c 'somecommand someargs | somecommand2'
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PostgreSQL Crosstab Query
...O tbl VALUES
('A', 'Active', 1), ('A', 'Inactive', 2)
, ('B', 'Active', 4), ('B', 'Inactive', 5)
, ('C', 'Inactive', 7); -- ('C', 'Active') is missing
Simple form - not fit for missing attributes
crosstab(text) with 1 input parameter:
SELECT *
FROM crosstab(
'SELECT ...