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I need to store postal codes in a database. How big should the column be?
...e they want another line on a shipping label). You also have to deal with testing the boundary cases (will every application that displays a ZIP handle 50 characters?). And with the fact that when clients are retrieving data from the database, they are generally allocating memory based on the maxi...
How do I use the lines of a file as arguments of a command?
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(Did the people who upvoted this actually test it? command `< file` doesn't work in either bash or POSIX sh; zsh is a different matter, but that's not the shell this question is about).
– Charles Duffy
Jul 8 '17 at 13:42
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Switch to another Git tag
...me is ambiguous and checking out the branch by default:
warning: refname 'test' is ambiguous.
Switched to branch '1.1.4'
The shorthand can be safely used if the repository does not share names between branches and tags.
s...
Is there any downside for using a leading double slash to inherit the protocol in a URL? i.e. src=“/
... any external links should always specify a protocol. I did try one simple test: //stackoverflow.com maps to file:///stackoverflow.com in all browsers I tried it in, so they really don't work by themselves.
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How to detect Windows 64-bit platform with .NET?
...s, out bool wow64Process);
There is a WMI version available as well (for testing remote machines).
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Is XML case-sensitive?
...name="RGB">
<xs:restriction base="xs:string">
<xs:assert test="lower-case($value) = ('red', 'green', 'blue')"/>
</xs:restriction>
</xs:simpleType>
XSD 1.1 is supported in recent releases of Saxon and Xerces.
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HTTP authentication logout via PHP
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This does not work as it is explained. Tested in Chrome 40 and Firefox 35.
– funforums
Feb 26 '15 at 15:16
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How do you run a crontab in Cygwin on Windows?
...ecific cron-table HOME=/home/foo
PATH=/usr/local/bin:/usr/bin:/bin:$PATH
# testing - one per line
* * * * * touch ~/cron
@reboot ~/foo.sh
45 11 * * * ~/lunch_message_to_mates.sh
Domain users: it does not work. Poor cron is unable to run scheduled tasks on behalf of domain users on the machin...
Get lengths of a list in a jinja2 template
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You could use none build-in function to test for None. Check more here: https://jinja.palletsprojects.com/en/2.10.x/templates/#none. Example is on this thread: https://stackoverflow.com/questions/19614027/jinja2-template-variable-if-none-object-set-a-default-value
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Difference between save and saveAndFlush in Spring data jpa
I am trying to learn spring data JPA by testing some CRUD operation via JpaRepository .
2 Answers
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