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Real world use of JMS/message queues? [closed]
...A real world example is that of a web application that is used to place an order for a particular customer. As part of placing that order (and storing it in a database) you may wish to carry a number of additional tasks:
Store the order in some sort of third party back-end system (such as SAP)
Se...
Docker build “Could not resolve 'archive.ubuntu.com'” apt-get fails to install anything
...ame problem as me.
The nslookup command queries the DNS server 8.8.8.8 in order to turn the text address of 'google.com' into an IP address. Ironically, 8.8.8.8 is Google's public DNS server. If nslookup fails, public DNS servers like 8.8.8.8 might be blocked by your company (which I assume is for ...
How to organize large R programs?
...ii) reload it into your workspace? Is there a way to call library(...) in order to reload a package that's already loaded (step iii above)? Don't you have to kill your workspace, restart R then reload your library/package in order to see if it's right?
– Steve Lianoglou
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Get records with max value for each group of grouped SQL results
...uper-simple way to do this in mysql:
select *
from (select * from mytable order by `Group`, age desc, Person) x
group by `Group`
This works because in mysql you're allowed to not aggregate non-group-by columns, in which case mysql just returns the first row. The solution is to first order the data...
MVC pattern on Android
...code.
This is particularly useful when you use Mono to share the model in order to develop cross-platform applications.
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Why should I use 'li' instead of 'div'?
...ook exactly the same so where is the functional advantage to creating an unordered list vs lining up divs?
15 Answers
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Determine which MySQL configuration file is being used
...lt options"
Default options are read from the following files in the given order:
/etc/mysql/my.cnf ~/.my.cnf /usr/etc/my.cnf
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How to set Java environment path in Ubuntu
...'t work for me and the previous version remained as default. I changed the order of the path to export PATH=${JAVA_HOME}/bin:${PATH} and the version got updated. I think left to right priority works here.
– Ridhuvarshan
Dec 6 '17 at 9:00
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What is stack unwinding?
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reading Nikolai's, jrista's and your answer in this order, now it makes sense!
– n611x007
Aug 10 '12 at 13:46
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eval command in Bash and its typical uses
... as a text file, reads each line of text, and uses eval to execute them in order. That's essentially the same behavior as the bash source statement, which is what one would use, unless it was necessary to perform some kind of transformation (e.g. filtering or substitution) on the content of the impo...