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Why dict.get(key) instead of dict[key]?
...ents anywhere?
As mentioned here,
It seems that all three approaches now exhibit similar performance (within about 10% of each other), more or less independent of the properties of the list of words.
Earlier get was considerably slower, However now the speed is almost comparable along with t...
Rspec doesn't see my model Class. uninitialized constant error
... versions of RSpec move some stuff out of the spec/spec_helper.rb file, so now you also get a spec/rails_helper.rb file. If you run rails generate rspec:install, this is what it produces (rspec-rails 3.0.1, rails 4.1.1). Turns out the rails_helper.rb file contains some similar code to yours and shou...
Example for boost shared_mutex (multiple reads/one write)?
... has to read some data often, and occasionally that data is updated. Right now a mutex keeps access to that data safe, but it's expensive because I would like multiple threads to be able to read simultaneously, and only lock them out when an update is needed (the updating thread could wait for the o...
How to keep a Python script output window open?
...n 3? in python 3 it was renamed to input(). But I would use python 2.6 for now, since python 3 lacks important third party libraries that haven't been ported yet. (see other questions on python 2vs3). About editor, I don't use windows, notepad++ lets you configure the command. I use emacs which has ...
How do I override __getattr__ in Python without breaking the default behavior?
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-1 This does modify default behavior. Now you have an AttributeError without the context of the attribute in the exception args.
– wim
Nov 26 '18 at 19:43
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MySQL Removing Some Foreign keys
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This was my problem. I feel kind of dumb now. If anyone else has this problem, you can find the Foreign Key Constraint names by using the SHOW CREATE TABLE function.
– Drew
May 8 '09 at 6:06
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How does the @property decorator work in Python?
...mat(money.dollars, money.cents))
# prints I have 27 dollar and 12 cents.
Now let's suppose you decide to change your Money class and get rid of the dollars and cents attributes but instead decide to only track the total amount of cents:
class Money:
def __init__(self, dollars, cents):
...
How to delete a file via PHP?
...ause many down-votes) ... 2> wouldn't it be better if u put some code . now who has learning tendency they will surely visit those links and who doesn't have that they will again go to google to get a ready code .
– Ritabrata Gautam
Sep 13 '15 at 14:41
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How do I capture SIGINT in Python?
...ython script that starts several processes and database connections. Every now and then I want to kill the script with a Ctrl + C signal, and I'd like to do some cleanup.
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Is there a decorator to simply cache function return values?
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the backport can now be found here: pypi.python.org/pypi/backports.functools_lru_cache
– Frederick Nord
Jul 21 '15 at 7:55
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