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Quickly reading very large tables as dataframes
...ater
This answer is old, and R has moved on. Tweaking read.table to run a bit faster has precious little benefit. Your options are:
Using vroom from the tidyverse package vroom for importing data from csv/tab-delimited files directly into an R tibble. See Hector's answer.
Using fread in data.tab...
How can I represent an 'Enum' in Python?
...n 3.4 (PEP 435), you can make Enum the base class. This gets you a little bit of extra functionality, described in the PEP. For example, enum members are distinct from integers, and they are composed of a name and a value.
class Animal(Enum):
DOG = 1
CAT = 2
print(Animal.DOG)
# <Anim...
Append text to input field
...
Loving the 'other option' - nice bit of FP.
– laher
Sep 22 '11 at 23:15
Note...
Guaranteed lifetime of temporary in C++?
..., then the pointer that strdup sees is invalid! Could you please explain a bit more based on this example?
– Grim Fandango
Dec 9 '14 at 13:00
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Python List vs. Array - when to use?
...nskiDan Lenski
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11
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PATH issue with pytest 'ImportError: No module named YadaYadaYada'
... @Zelphir: Using absolute imports is a recommended practice. Habnabit's has a good article about packaging best practices: blog.habnab.it/blog/2013/07/21/python-packages-and-you, and PEP8 says that "implicit relative imports should never be used and have been removed in Python 3." See: pyth...
How do I specify “close existing connections” in sql script
... connections may look like this:
DECLARE @dbId int
DECLARE @isStatAsyncOn bit
DECLARE @jobId int
DECLARE @sqlString nvarchar(500)
SELECT @dbId = database_id,
@isStatAsyncOn = is_auto_update_stats_async_on
FROM sys.databases
WHERE name = 'db_name'
IF @isStatAsyncOn = 1
BEGIN
ALTER DATAB...
Run certain code every n seconds [duplicate]
... So this doesn't fire precisely every n seconds; rather, it drifts, with a bit more than n seconds between jobs. A 1 second timer running a job to print the current time yields: starting... 16:07:42.017682 16:07:43.023215 16:07:44.023626 etc.
– eraoul
Dec 5 '...
Set up adb on Mac OS X
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edited Apr 29 '18 at 10:44
Evan Knowles
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ans...
TypeError: got multiple values for argument
...when I hit this error, it was also about a color argument. The issue was a bit different - my model_matrix argument became keyword-only, and some legacy code had it passed as a positional argument. The new API was expecting color, and got a 4x4 matrix instead.
– Tomasz Gandor
...