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Optimizing
Random
Key Value Queries for Large Data Sets - Alibaba Cloud Community
Site
https://www.alibabacloud.com/blog/optimizing-random-key-value-queries-for-large-data-sets_594148
Database,Database Optimization,Key Value,Key Value Query In this article, we will look at how esProc ...
Feature engineering - Machine Learning Platform for AI
Documentation
https://www.alibabacloud.com/help/doc-detail/69558.html
Contents PCA Feature scaling Feature discretization Feature exception smoothing
Random
forest feature importance GBDT feature ...
From Distributed Consensus Algorithms to the Blockchain Consensus Mechanism
blog
https://www.alibabacloud.com/blog/595315
election in Raft is implemented through the heartbeat and
random
timeout. Log replication is implemented through strong ...
Storage System Design Analysis: Factors Affecting NVMe SSD Performance (2
blog
https://www.alibabacloud.com/blog/594376
amplification is close to 1 and the SSD achieves optimal performance. When an SSD uses the small block-based
random
I/O pattern, more data ...
DBMS_CRYPTO - POLARDB
Documentation
https://www.alibabacloud.com/help/doc-detail/116924.html
use DBMS_CRYPTO functions to generate cryptographically secure
random
values ...
Using Data for Business Site Selection
blog
https://www.alibabacloud.com/blog/594991
are not inserted to create some empty values. ``` insert into people (c1,c2,c3,c4,c5,c6) select mod((
random
()*10)::int,4 ...
Math functions - Data Lake Analytics
Documentation
https://www.alibabacloud.com/help/doc-detail/71060.html
angle x in degrees to radians.
RANDOM
/RAND: returns a pseudo-
random
value. ROUND: returns x rounded to the nearest integer, or ...
Advanced WordPress Management Using WP-CLI on Alibaba Cloud ECS – Part 3
blog
https://www.alibabacloud.com/blog/591416
; command provided by WP-CLI. This will execute your PHP file after having loaded WordPress. Create a '
random
-post.php' file ...
Mathematical functions and operators - E-MapReduce
Documentation
https://www.alibabacloud.com/help/doc-detail/108975.html
. rand rand()-double Returns a pseudo-
random
number in the range [0.0, 1.0). This is an alias for
random
...
Data preprocessing - Machine Learning Platform for AI
Documentation
https://www.alibabacloud.com/help/doc-detail/69557.html
Contents Weighted sampling
Random
sampling Filtering and mapping Stratified sampling join Merge columns UNION Append ID columns ...
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