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How to permanently export a variable in Linux?
I am running RHEL6, and I have exported an environment variable like this:
6 Answers
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MySQL Results as comma separated list
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Also, quick note that if you're using PHPMyAdmin and want to output a comma-delimited list to the page, use GROUP_CONCAT(CAST(s.name AS CHAR)) or else it will just return something wholly unuseful like [BLOB - 20 Bytes].
– devios1
Mar ...
Missing include “bits/c++config.h” when cross compiling 64 bit program on 32 bit in Ubuntu
I am running the 32bit version of Ubuntu 10.10 and trying to cross compile to a 64 bit target. Based on my research, I have installed the g++-multilib package.
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Best data type for storing currency values in a MySQL database
...al(19,4) usually works pretty well in most cases. You can adjust the scale and precision to fit the needs of the numbers you need to store. Even in SQL Server, I tend not to use "money" as it's non-standard.
share
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Changing the color of an hr element
...ize of your line, border will still be as wide as you specified in styles, and line will be filled with the default color (which is not a desired effect most of the time). So it seems like in this case you would also need to specify background-color (as @Ibu suggested in his answer).
HTML 5 Boilerp...
What does the exclamation mark mean in a Haskell declaration?
...s I try to learn Haskell using a real project to drive it. I don't understand what the exclamation mark in front of each argument means and my books didn't seem to mention it.
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LINQ to SQL Left Outer Join
...re-as yours matches only 0-1. To do a left outer join, you need SelectMany and DefaultIfEmpty, for example:
var query = from c in db.Customers
join o in db.Orders
on c.CustomerID equals o.CustomerID into sr
from x in sr.DefaultIfEmpty()
select new {...
Which SQL query is faster? Filter on Join criteria or Where clause?
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Performance-wise, they are the same (and produce the same plans)
Logically, you should make the operation that still has sense if you replace INNER JOIN with a LEFT JOIN.
In your very case this will look like this:
SELECT *
FROM TableA a
LEFT JOIN
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Cocoapods setup stuck on pod setup command on terminal
Have gone through resources provided by Cocoapods web site, SO and few video tutorials. Nothing happening even after waiting for couple of hours, however still trying to figure-out what may be the problem is? I would very much appreciate your comments and suggestions. Thank you!!!
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'await' works, but calling task.Result hangs/deadlocks
I have the following four tests and the last one hangs when I run it. Why does this happen:
5 Answers
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