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Progress indicator during pandas operations
...with `pandas`
# (can use tqdm_gui, optional kwargs, etc.)
tqdm.pandas()
# Now you can use `progress_apply` instead of `apply`
df.groupby(0).progress_apply(lambda x: x**2)
In case you're interested in how this works (and how to modify it for your own callbacks), see the examples on github, the full...
Calling class staticmethod within the class body?
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What about this solution? It does not rely on knowledge of @staticmethod decorator implementation. Inner class StaticMethod plays as a container of static initialization functions.
class Klass(object):
class StaticMethod:
@staticmethod # use as decorator
...
How to automatically remove trailing whitespace in Visual Studio 2008?
... saved = False
End If
End Sub
I've been using this for some time now without any problems. I didn't create the macro, but modified it from the one in ace_guidelines.vsmacros which can be found with a quick google search.
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Make elasticsearch only return certain fields?
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Here another solution, now using a match expression
Source filtering
Allows to control how the _source field is returned with every hit.
Tested with Elastiscsearch version 5.5
The keyword "includes" defines the specifics fields.
GET /m...
Can I install Python windows packages into virtualenvs?
...gs with psycopg2 for Windows?
UPDATE
As noted by Tritium21 in his answer nowadays you should use pip instead of easy_install. Pip can't install binary packages created by distutils but it can install binary packages in the new wheel format. You can convert from old format to the new one using whee...
WatiN or Selenium? [closed]
...ution.
Script creation tools are independent projects; there are 2 that I know of: Wax (Excel based, hosted on CodePlex) and WatiN Test Record (hosted on SourceForge). Neither is as robust as Selenium IDE.
Very good IE support. Can attach and detach to/from running instances. Can access native wind...
PHP method chaining?
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@alex: I don't have PHP 4 to test with right now, but I'm pretty sure not.
– BoltClock♦
Sep 16 '10 at 6:23
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Skip certain tables with mysqldump
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Thank you! Worked perfectly... I don't know how I missed that.
– Zac
Jan 8 '09 at 17:39
21
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namedtuple and default values for optional keyword arguments
...can also cause problems by breaking isinstance(Node('val'), Node): it will now raise an exception, rather than returning True. While a bit more verbose, @justinfay's answer (below) preserves type hierarchy information properly, so is probably a better approach if others are going to interact with No...
From an array of objects, extract value of a property as array
...n for getting the value of a property in an object.
Additionally, _.map() now allows a string to be passed in as the second parameter, which is passed into _.property(). As a result, the following two lines are equivalent to the code sample above from pre-Lodash 4.
var result = _.map(objArray, 'fo...