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MySQL Error 1215: Cannot add foreign key constraint
...g one. Explosion Pill's answer covers the basics. You want to make sure to start from there. However, there are more, much more subtle cases to look out for:
For example, when you try to link up PRIMARY KEYs of different tables, make sure to provide proper ON UPDATE and ON DELETE options. E.g.:
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Set keyboard caret position in html textbox
... range.select();
}
else {
if(elem.selectionStart) {
elem.focus();
elem.setSelectionRange(caretPos, caretPos);
}
else
elem.focus();
}
}
}
The first expected parameter is the ID of the...
How can I use Server.MapPath() from global.asax?
...e other questions tagged c# asp.net global-asax server.mappath application-start or ask your own question.
Android Closing Activity Programmatically
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You Can use just finish(); everywhere after Activity Start for clear that Activity from Stack.
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How to “log in” to a website using Python's Requests module?
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ln -s ~/home/scripts/login.py ~/home/scripts/login
Close your terminal, start a new one, run login
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How to get CRON to call in the correct PATHs
...t handle the environment it's given, by setting an appropriate one when it starts.
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Chrome ignores autocomplete=“off”
...will still autocomplete, but soon as I put it on both fields, both of them starts autocompleting again.
– PrintlnParams
Jun 4 at 12:33
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VIM Replace word with contents of paste buffer?
... you - it will delete to the end of this word, while dw will delete to the start of the next word.
– Hamish Downer
Mar 18 '10 at 18:22
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CSV file written with Python has blank lines between each row
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@I__ : You really should start perusing the Python docs. Derek gave you the link : docs.python.org/library/csv.html
– Dan Breslau
Jul 27 '10 at 22:49
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Receiving “fatal: Not a git repository” when attempting to remote add a Git repo
...45643644b7d) read from somewhere like .git\refs\remotes\origin\master, git started working again I also needed stackoverflow.com/questions/1115854/… as this told me to delete .git/index and I needed to remove .git/index.lock before doing git reset. Fine now
– Ivan
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