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Increment a value in Postgres
...teger) in a field in a postgres table and increment it by one. For example if the table 'totals' had 2 columns, 'name' and 'total', and Bill had a total of 203, what would be the SQL statement I'd use in order to move Bill's total to 204?
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Are database triggers evil? [closed]
... @HGLEM, agree there should be a specialist to work out triggers. Real life scenario - there isn't. Real life scenario - days spent trying to identify a bug related to a forgotten trigger. Real life scenario - trigger logic is being desperately pushed out into application logic where it can be ea...
What is the $? (dollar question mark) variable in shell scripting? [duplicate]
...t executed command.
Try the following in the shell:
ls somefile
echo $?
If somefile exists (regardless whether it is a file or directory), you will get the return value thrown by the ls command, which should be 0 (default "success" return value). If it doesn't exist, you should get a number other...
Archive the artifacts in Jenkins
Could someone please explain to me the idea of artifacts in the build process?
4 Answers
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CSS attribute selector does not work a href
I need to use attribute selector in css to change link on different color and image, but it does not work.
2 Answers
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Maven: The packaging for this project did not assign a file to the build artifact
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I don't know if this is the answer or not but it might lead you in the right direction...
The command install:install is actually a goal on the maven-install-plugin. This is different than the install maven lifecycle phase.
Maven lifecy...
Error in exception handler. - Laravel
... servers group (usually apache or www-data, but this can vary between the different operating systems) and keep the permissions as of the directory as 775.
chgrp -R www-data app/storage
Or with chown.
chown -R :www-data app/storage
Then make sure directory permissions are 775.
chmod -R 775 ap...
Merge a Branch into Trunk
...N>.
$ svn merge --reintegrate ^/project/branches/branch_1
--- Merging differences between repository URLs into '.':
U foo.c
U bar.c
U .
$ # build, test, verify, ...
$ svn commit -m "Merge branch_1 back into trunk!"
Sending .
Sending foo.c
Sending bar.c
Transmittin...
How to compare two dates in php
How to compare two dates in php if dates are in format '03_01_12' and '31_12_11' .
15 Answers
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UINavigationController “back button” custom text?
...n the visible view controller, but in the view
controller that you'd see if you hit the back button
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