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How can I convert tabs to spaces in every file of a directory?
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If anybody is having a 'unknown primary or operator' error from find, then here is the full command which will fix it: find . -name '*.java' ! -type d -exec bash -c 'expand -t 4 "$0" > /tmp/e && mv /tmp/e "$0"' {} \;
– Doge
Apr ...
How to set up a PostgreSQL database in Django
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but I get this psycopg2.OperationalError: fe_sendauth: no password supplied when I run python manage.py syncdb. I set random table name and user name.
– Yulong
Jun 18 '12 at 15:29
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How do I check if a variable exists in a list in BASH
...m2)
echo "In the list"
;;
not_an_item)
echo "Error" >&2
exit 1
;;
esac
done
If the list is an array variable at runtime, one of the other answers is probably a better fit.
How do you make sure email you send programmatically is not automatically marked as spam?
...sible bounce mails ("Returned to sender")? You can also set up a separate "errors-to" address.
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Java: Path vs File
...row exceptions when they failed, so it was
impossible to obtain a useful error message. For example, if a file
deletion failed, the program would receive a "delete fail" but
wouldn't know if it was because the file didn't exist, the user didn't
have permissions, or there was some other probl...
Copy existing project with a new name in Android Studio
... selected the base package folder and clicked Refactor -> Rename, I got errors with "package rename" option, then I did "folder rename" option with success.
– Ismail Yavuz
May 23 '19 at 2:30
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MongoDB relationships: embed or reference?
... If many records will refer to the same data it is more efficient and less error prone to update a single record and keep references to it in other places.
Document size considerations
MongoDB imposes a 4MB (16MB with 1.8) size limit on a single document. In a world of GB of data this sounds small...
Concatenate two string literals
... the two string literals "Hello" and ",world" are "added" first, hence the error.
One of the first two strings being concatenated must be a std::string object:
const string message = string("Hello") + ",world" + exclam;
Alternatively, you can force the second + to be evaluated first by parenthes...
How are VST Plugins made?
...ath, following the OSX tutorial exactly did not yield results for me, only errors.
– Seph Reed
Dec 4 '17 at 22:55
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Why is it faster to check if dictionary contains the key, rather than catch the exception in case it
...is a large set of object that give you a lot of functionality for handling errors. I built an entire library class once with everything surrounded by try catch blocks once and was appalled to see the debug output which contained a seperate line for every single one of over 600 exceptions!
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