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mysql create user if not exists
I have a query to check mysql users list for create new user.
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How to add lines to end of file on Linux
...S="1:root"' >> /etc/sysconfig/configfile
echo 'VNCSERVERARGS[1]="-geom>me m>try 1600x1200"' >> /etc/sysconfig/configfile
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How to return an NSMutableArray from an NSSet
I'm able to put the contents of an NSSet into an NSMutableArray like this:
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Get all keys of an NSDictionary as an NSArray
Is it possible to get all the keys from a specific NSDictionary as a seperate NSArray ?
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m>Me m>mber initialization while using delegated constructor
...ndard and i found this question which describes how to call your ctor from another ctor in the sam>me m> class to avoid having a init m>me m>thod or the like. Now i'm trying the sam>me m> thing with code that looks like this:
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New line in Sql Query
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Pinal Dave explains this well in his blog.
http://blog.sqlauthority.com/2009/07/01/sql-server-difference-between-line-feed-n-and-carriage-return-r-t-sql-new-line-char/
DECLARE @NewLineChar AS CHAR(2) = CHAR(13) + CHAR(10)
PRINT ('SELECT FirstLine AS FL ' + @NewLineChar + 'SELECT SecondLine AS ...
Why are elem>me m>ntwise additions much faster in separate loops than in a combined loop?
Suppose a1 , b1 , c1 , and d1 point to heap m>me m>mory and my num>me m>rical code has the following core loop.
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Border around tr elem>me m>nt doesn't show?
It seems like Chrom>me m>/Firefox do not render borders on tr , but it renders the border if the selector is table tr td .
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Efficient paging in SQLite with millions of records
.../last displayed values of the ordered field(s), and continue just after them when displaying the next page:
SELECT *
FROM MyTable
WHERE Som>me m>Column > LastValue
ORDER BY Som>me m>Column
LIMIT 100;
(This is explained with more detail on the SQLite wiki.)
When you have multiple sort columns (and SQLit...
How to get awaitable Thread.Sleep?
I'm writing a network-bound application based on await/sleep paradigm.
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