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django urls without a trailing slash do not redirect
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"When set to True, if the request URL does not match any of the patterns in the URLconf and it doesn’t end in a slash, an HTTP redirect is issued to the same URL with a slash appended. Note that the redirect may cause any data submitted in a ...
Convert command line arguments into an array in Bash
...id, you can convert it into an actual array like this:
myArray=( "$@" )
If you just want to type some arguments and feed them into the $@ value, use set:
$ set -- apple banana "kiwi fruit"
$ echo "$#"
3
$ echo "$@"
apple banana kiwi fruit
Understanding how to use the argument structure is part...
Open file dialog box in JavaScript
...ou linked to is not a good solution. This will cause IE to throw an error if you end up submitting the associated form programmatically as well.
– Ray Nicholus
Oct 22 '13 at 21:48
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Why does Eclipse complain about @Override on interface methods?
... 1.6.
Remember that Eclipse can override these global settings for a specific project, so check those too.
Update:
The error under Java 5 isn't just with Eclipse; using javac directly from the command line will give you the same error. It is not valid Java 5 source code.
However, you can spe...
Running multiple commands in one line in shell
...ou are looking for is && operator to execute the next command only if the previous one succeeded:
cp /templates/apple /templates/used && cp /templates/apple /templates/inuse && rm /templates/apple
Or
cp /templates/apple /templates/used && mv /templates/apple /tem...
How do I add files without dots in them (all extension-less files) to the gitignore file?
...ow by Mad Physicist, the rule is:
It is not possible to re-include a file if a parent directory of that file is excluded. (*)
(*: unless certain conditions are met in git 2.?+, see below)
That is why !/**/ is important (white-listing the parent folders recursively) if we want to white-list files.
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Why git keeps showing my changes when I switch branches (modified,added, deleted files) no matter if
...before stashing. That said, I'm not sure you actually want to stash here - if you intend for those changes to be part of the branch you're switching away from, commit them. (If you intend to switch back to that branch and work on the changes more before committing them, then stash may be the right t...
image processing to improve tesseract OCR accuracy
...y pixellated - for example that generated by fax machines - is especially difficult for tesseract to process - presumably all those jagged edges to the characters confound the shape-recognition algorithms.
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What is the best way to repeatedly execute a function every x seconds?
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If your program doesn't have a event loop already, use the sched module, which implements a general purpose event scheduler.
import sched, time
s = sched.scheduler(time.time, time.sleep)
def do_something(sc):
print("Doi...
MySQL Error 1215: Cannot add foreign key constraint
...y are primary keys in their own tables. I have done both of these things, if I'm not mistaken. Any other help you guys could offer?
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