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Reset the database (purge all), then seed a database
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answered Oct 23 '10 at 13:45
JackCAJackCA
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What is the difference between packaged_task and async
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3 Answers
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How to randomly select an item from a list?
..., 'horse', 'staple']
print(secrets.choice(foo))
secrets is new in Python 3.6, on older versions of Python you can use the random.SystemRandom class:
import random
secure_random = random.SystemRandom()
print(secure_random.choice(foo))
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Flask-SQLAlchemy import/context issue
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Sean VieiraSean Vieira
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Why does Math.Floor(Double) return a value of type Double?
...lly be within the range of int or long, so you cast it:
double d = 1000.1234d;
int x = (int) Math.Floor(d);
but the onus for that cast is on the developer, not on Math.Floor itself. It would have been unnecessarily restrictive to make it just fail with an exception for all values outside the rang...
How can I reset a react component including all transitively reachable state?
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3 Answers
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How to manually install an artifact in Maven 2?
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edited Nov 28 '12 at 0:30
Charles Duffy
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Using do block vs braces {}
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do..end syntax. Consider the following
two snippets of code:
1.upto 3 do |x|
puts x
end
1.upto 3 { |x| puts x }
# SyntaxError: compile error
Second example only works when parentheses is used, 1.upto(3) { |x| puts x }
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difference between socket programming and Http programming
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edited May 31 '17 at 8:13
Marquis of Lorne
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Why Func instead of Predicate?
...;T>, in .net 2.0, the different Func and Action variants come from .net 3.5.
So those Func predicates are used mainly for consistency in the LINQ operators. As of .net 3.5, about using Func<T> and Action<T> the guideline states:
Do use the new LINQ types Func<> and
Expres...