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Cast a Double Variable to Decimal
...irst add numbers together and then convert to Decimal you may get rounding errors. You may want to convert the numbers to Decimal before adding them together, or make sure that the numbers aren't floating point numbers in the first place.
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Insertion Sort vs. Selection Sort
...parisons then n(n - 1)/2.
Source: http://cheetahonfire.blogspot.com/2009/05/selection-sort-vs-insertion-sort.html
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Remove specific commit
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tried to revert 3 commits: git rebase -i HEAD-3 got error fatal: Needed a single revision invalid upstream 'HEAD-3'
– Ustin
Nov 18 '19 at 19:15
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How can you hide database output in Rails console?
...oid?
– Jesse Farmer
Aug 21 '17 at 3:05
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How do I generate a random int number?
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edited Mar 17 '19 at 11:05
AustinWBryan
2,86133 gold badges1616 silver badges3535 bronze badges
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Is Python strongly typed?
...o float-type object."""
try:
return float(x)
except (TypeError, ValueError):
return 0
class Foo:
def __init__(self, number):
self.number = number
def __add__(self, other):
return self.number + to_number(other)
Instance of class Foo can be adde...
How can I run code on a background thread on Android?
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answered Nov 4 '19 at 22:05
Joshua PinterJoshua Pinter
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How to round an average to 2 decimal places in PostgreSQL?
...vailable for numeric.
regress=> SELECT round( float8 '3.1415927', 2 );
ERROR: function round(double precision, integer) does not exist
regress=> \df *round*
List of functions
Schema | Name | Result data type | Argument data types | Type
------------+----...
How to redirect and append both stdout and stderr to a file with Bash?
...ckers.org/wiki/doku.php/syntax/redirection#appending_redirected_output_and_error_output
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How to force push a reset to remote repository?
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The error message will have a line that starts with "error: failed to push some refs to <your repository>" where <your repository> is path ending in .git which is a directory containing a file called "config". This ...