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SET versus SELECT when assigning variables?
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Quote, which summarizes from this article:
SET is the ANSI standard for variable assignment, SELECT is not.
SET can only assign one variable at a time, SELECT can make multiple assignments at once.
If assigning from...
How do I build a numpy array from a generator?
How can I build a numpy array out of a generator object?
5 Answers
5
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Boost Statechart vs. Meta State Machine
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As there seems to be much interest, please allow me to give my (obviously biased) opinion, which should therefore be taken with a grain of salt:
MSM is much faster
MSM requires no RTTI or anything virtual
MSM has a more complete UML2 support (fo...
Is there a naming convention for MySQL?
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I would say that first and foremost: be consistent.
I reckon you are almost there with the conventions that you have outlined in your question. A couple of comments though:
Points 1 and 2 are good I reckon.
Point 3 - sadly thi...
MySQL foreign key constraints, cascade delete
I want to use foreign keys to keep the integrity and avoid orphans (I already use innoDB).
3 Answers
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Simple explanation of clojure protocols
I'm trying to understand clojure protocols and what problem they are supposed to solve. Does anyone have a clear explanation of the whats and whys of clojure protocols?
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What is the difference between related SQLite data-types like INT, INTEGER, SMALLINT and TINYINT?
When creating a table in SQLite3, I get confused when confronted with all the possible datatypes which imply similar contents, so could anyone tell me the difference between the following data-types?
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Why use symbols as hash keys in Ruby?
A lot of times people use symbols as keys in a Ruby hash.
4 Answers
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How can I pass selected row to commandLink inside dataTable or ui:repeat?
I'm using Primefaces in a JSF 2 application. I have a <p:dataTable> , and instead of selecting rows, I want the user to be able to directly execute various actions on individual rows. For that, I have several <p:commandLink> s in the last column.
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what's the difference between “hadoop fs” shell commands and “hdfs dfs” shell commands?
Are they supposed to be equal?
6 Answers
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