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Are there any disadvantages to always using nvarchar(MAX)?
In SQL Server 2005, are there any disadvantages to making all character fields nvarchar(MAX) rather than specifying a length explicitly, e.g. nvarchar(255)? (Apart from the obvious one that you aren't able to limit the field length at the database level)
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What is the benefit of zerofill in MySQL?
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When you select a column with type ZEROFILL it pads the displayed value of the field with zero...
How to get a number of random elements from an array?
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22 Answers
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postgresql list and order tables by size
...me))
from information_schema.tables
where table_schema = 'public'
order by 2
This shows you the size of all tables in the schema public if you have multiple schemas, you might want to use:
select table_schema, table_name, pg_relation_size('"'||table_schema||'"."'||table_name||'"')
from informatio...
Cannot lower case button text in android studio
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answered Jul 22 '14 at 6:43
Stelian MateiStelian Matei
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Importing data from a JSON file into R
...omJSON(paste(readLines(json_file), collapse=""))
Update: since version 0.2.1
json_data <- fromJSON(file=json_file)
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Java ByteBuffer to String
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EDIT (2018): The edited sibling answer by @xinyongCheng is a simpler approach, and should be the accepted answer.
Your approach would be reasonable if you knew the bytes are in the platform's default charset. In your example, this...
Opposite of %in%: exclude rows with values specified in a vector
... values represented by the letters from A to Z. I want to create a subset D2, which excludes some values, say, B, N and T. Basically, I want a command which is the opposite of %in%
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URL Encoding using C#
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edited May 23 '17 at 10:31
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answered Feb 22 '09 at 20:55
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The order of elements in Dictionary
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The order of elements in a dictionary is non-deterministic. The notion of order simply is not d...