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When should I use the Visitor Design Pattern? [closed]
...fer static type checking (check for completeness and distinctness of cases etc.). A visitor pattern is verified by the type checker, and usually makes the client code simpler.
– Konrad Rudolph
Feb 16 '14 at 15:52
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What is the difference between `sorted(list)` vs `list.sort()`?
...st lists. Strings, tuples, dictionaries (you'll get the keys), generators, etc., returning a list containing all elements, sorted.
Use list.sort() when you want to mutate the list, sorted() when you want a new sorted object back. Use sorted() when you want to sort something that is an iterable, no...
What “things” can be injected into others in Angular.js?
...n anyone explain which of the "types", like Controller, Factory, Provider, etc can we inject into others, including other instances of same "type"?
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JavaScript global event mechanism
...r app also manipulating window.onerror in an unknown way (jquery, angular, etc.).
probably many cases I haven't run into after exploring this now (iframes, stack overflow, etc.).
Here is the start of a script that catches many of these errors, so that you may add more robust debugging to your app ...
Adding an arbitrary line to a matplotlib plot in ipython notebook
...linewidth=2)
(of course you can choose the color, line width, line style, etc.)
From your example:
import numpy as np
import matplotlib.pyplot as plt
np.random.seed(5)
x = np.arange(1, 101)
y = 20 + 3 * x + np.random.normal(0, 60, 100)
plt.plot(x, y, "o")
# draw vertical line from (70,100) to ...
Some questions about Automatic Reference Counting in iOS5 SDK
...r clean-up tasks which are not release (closing files, removing observers, etc.).
– Stanislav Yaglo
Jul 8 '11 at 7:31
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How to run only one task in ansible playbook?
... tags:
- packages
- template: src=templates/src.j2 dest=/etc/foo.conf
tags:
- configuration
If you wanted to just run the “configuration” and “packages” part of a very long playbook, you could do this:
ansible-playbook example.yml --tags "configuration,pac...
What are the differences between .gitignore and .gitkeep?
...fficient to express it's purpose (examples: templates/cache, upload/thumbs etc). In these cases putting a readme into each of these feels redundant.
– Halil Özgür
Jan 31 '13 at 8:33
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Why is GHC so large/big?
...it was all the logic that Haskell offers: lazy evaluation, type inference, etc.
– mcandre
Feb 8 '11 at 10:10
4
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How to go about formatting 1200 to 1.2k in java
...dd more suffixes for those really large numbers (quadrillion, quintillion, etc), and the output continues to scale.
– Cypher
Jun 5 '15 at 18:40
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