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What is the difference between Elastic Beanstalk and CloudFormation for a .NET project?
...ions built using a variety of AWS resources and container-based solutions (including those built using AWS Elastic Beanstalk).
AWS CloudFormation supports Elastic Beanstalk application environments as one of the AWS resource types. This allows you, for example, to create and manage an AWS Elastic B...
what's the difference between “hadoop fs” shell commands and “hdfs dfs” shell commands?
...roject-dist/hadoop-common/FileSystemShell.html
The File System (FS) shell includes various shell-like commands that directly interact with the Hadoop Distributed File System (HDFS) as well as other
file systems that Hadoop supports, such as Local FS, WebHDFS, S3 FS, and others.
bin/hadoop fs &l...
Applying a function to every row of a table using dplyr?
...
Thanks YAK, this bit me too. If you include both plyr and dplyr packages, you are almost certainly using the wrong mutate unless you explicitly provide scope dplyr::mutate.
– Chris Warth
Sep 8 '15 at 4:30
...
CSS :after not adding content to certain elements
... appearance and dimensions are
defined by an external resource. Examples include images (<img> tags),
plugins (<object> tags), and form elements (<button>, <textarea>,
<input>, and <select> tags). All other elements types can be referred
to as non-replaced...
Progress indicator during pandas operations
...n pypi, or import the module and run help(tqdm). Other supported functions include map, applymap, aggregate, and transform.
EDIT
To directly answer the original question, replace:
df_users.groupby(['userID', 'requestDate']).apply(feature_rollup)
with:
from tqdm import tqdm
tqdm.pandas()
df_users.g...
How to create a backup of a single table in a postgres database?
...e read the manual, especially this section: "For this purpose, “table” includes views, materialized views, sequences, and foreign tables".
– Frank Heikens
Dec 4 '19 at 20:35
...
What is the point of “final class” in Java?
...
In Java, items with the final modifier cannot be changed!
This includes final classes, final variables, and final methods:
A final class cannot be extended by any other class
A final variable cannot be reassigned another value
A final method cannot be overridden
...
ng-repeat finish event
...
It is recommended to include the jQuery library first (before Angular). This will cause all Angular elements to be wrapped with jQuery (instead of jqLite). Then instead of angular.element(element).css() and $(element).children().css() you can s...
Asp.NET Web API - 405 - HTTP verb used to access this page is not allowed - how to set handler mappi
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This worked well. One does need to use all of it; include both "remove name=..." lines.
– Chris Patterson
Jan 25 '13 at 16:21
51
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Explanation of JSONB introduced by PostgreSQL
...specification unless the database encoding is UTF8. Attempts to
directly include characters that cannot be represented in the database
encoding will fail; conversely, characters that can be represented in
the database encoding but not in UTF8 will be allowed.
Source: https://www.postgresql.o...