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Removing MySQL 5.7 Completely [closed]
...ing similar issues. The second line got rid of my issues and allowed me to set up MySql from scratch. Hopefully it helps you too!
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Why does MYSQL higher LIMIT offset slow the query down?
...table with more than 16 million records [2GB in size]. The higher LIMIT offset with SELECT, the slower the query becomes, when using ORDER BY *primary_key*
...
How to pass the value of a variable to the stdin of a command?
I'm writing a shell script that should be somewhat secure i.e. does not pass secure data through parameters of commands and preferably does not use temporary files. How can I pass a variable to the stdin of a command? Or, if it's not possible, how to correctly use temporary files for such task?
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Split function equivalent in T-SQL?
...os int
if substring( @sString, 1, 1 ) = @cDelimiter
begin
set @iStart = 2
insert into @tParts
values( null )
end
else
set @iStart = 1
while 1=1
begin
set @iPos = charindex( @cDelimiter, @sString, @iStart )
if @iPos = 0
...
Auto-loading lib files in Rails 4
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How to obtain the number of CPUs/cores in Linux from the command line?
I have this script, but I do not know how to get the last element in the printout:
27 Answers
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Difference between `const shared_ptr` and `shared_ptr`?
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Reshaping data.frame from wide to long format
...cify the name of the variable-column:
library(data.table)
long <- melt(setDT(wide), id.vars = c("Code","Country"), variable.name = "year")
which gives:
> long
Code Country year value
1: AFG Afghanistan 1950 20,249
2: ALB Albania 1950 8,097
3: AFG Afghanistan 1951 21,35...
What's the difference between interface and @interface in java?
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Can't use modulus on doubles?
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