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Pythonic way to print list items
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Why the downvote, is it really due to the speed difference between map() and a generator? Python's creator also happens to prefer comprehensions and generators over map().
– Andrew Clark
Apr 2 ...
Underscore vs Double underscore with variables and methods [duplicate]
...vate just becomes MyClass._MyClass__private. (Note that
even this breaks down for subclasses with the same name as the
superclass, e.g. subclasses in different modules.) It is possible to
access __private names from outside their class, just inconvenient and
fragile (it adds a dependency on ...
Find unique rows in numpy.array
...tiguousarray following @seberg's recommendation. This will slow the method down if the array is not already contiguous.
EDIT
The above can be slightly sped up, perhaps at the cost of clarity, by doing:
unique_a = np.unique(b).view(a.dtype).reshape(-1, a.shape[1])
Also, at least on my system, per...
What is the difference between “Flush Magento Cache” and “Flush Cache Storage” in magento's cache ma
... them. I tend to use the second button when I'm having difficulty tracking down the cause of a problem.
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Should try…catch go inside or outside a loop?
...avaworld/jw-01-1997/jw-01-hood.html
The table is described about half-way down.
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How to check null objects in jQuery
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(Since I don't seem to have enough reputation to vote down the answer...)
Wolf wrote:
Calling length property on undefined
or a null object will cause IE and
webkit browsers to fail!
Instead try this:
// NOTE!! THE FOLLOWING IS WRONG; DO NOT USE! -- EleotleCram
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Convert a python dict to a string and back
...ule as well. Both json and pickle seem easy enough to use, so it will come down to things such as cross-platform support. Thanks
– AJ00200
Dec 28 '10 at 16:11
5
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Get an object's class name at runtime
...sing the constructor.name on something that might potentially get minified down the road is just begging for a headache.
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Ruby on Rails generates model field:type - what are the options for field:type?
... |t|
t.references :car
t.timestamps
end
end
def self.down
drop_table :wheels
end
end
When you run the migration, the following will end up in your db/schema.rb:
$ rake db:migrate
create_table "wheels", :force => true do |t|
t.integer "car_id"
t.datetime "creat...
Can't connect to local MySQL server through socket '/var/mysql/mysql.sock' (38)
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To prevent the problem from occurring, you must perform a graceful shutdown of the server from the command line rather than powering off the server.
shutdown -h now
This will stop the running services before powering down the machine.
Based on Centos, an additional method for getting it back...