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Error 1022 - Can't write; duplicate key in table
...ou can not have the same foreign key names in the database tables.
Check all your tables and all your foreign keys and avoid having two foreign keys with the same exact name.
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Understanding generators in Python
...A generator is simply a function which returns an object on which you can call next, such that for every call it returns some value, until it raises a StopIteration exception, signaling that all values have been generated. Such an object is called an iterator.
Normal functions return a single value...
How do I get the real .height() of a overflow: hidden or overflow: scroll div?
...qual to the minimum clientHeight the element would require in order to fit all the content in the viewpoint without using a vertical scrollbar. It includes the element padding but not its margin.
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How to bring back “Browser mode” in IE11?
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[UPDATE]
The original question, and the answer below applied specifically to the IE11 preview releases.
The final release version of IE11 does in fact provide the ability to switch browser modes from the Emulation tab in the dev tools:
Having said that, the advice I've given here (and else...
Django-Admin: CharField as TextArea
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Starting from Django 1.7 you need to add also fields = '__all__' under class Meta:.
– skoll
May 4 '16 at 11:43
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Why doesn't ruby support method overloading?
...; end; # second argument has a default value
method(10)
# Now the method call can match the first one as well as the second one,
# so here is the problem.
So ruby needs to maintain one method in the method look up chain with a unique name.
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What is the difference between == and equals() in Java?
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@BoDidely I figured it out. It was because all the wrapper classes are immutable.
– JPG
Jul 31 '15 at 20:41
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Remove CSS “top” and “left” attributes with jQuery
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usually such overwrites added to style attribute are meant for changing the value off from default css value; setting it to auto doesn't reset them to default value. meaning auto is not really same then not having the value at a...
Git Blame Commit Statistics
... path or modify your path and use it like
git authors '*/*.c' # look for all files recursively ending in .c
git authors '*/*.[ch]' # look for all files recursively ending in .c or .h
git authors 'Makefile' # just count lines of authors in the Makefile
Original Answer
While the accepted answer d...
Unicode (UTF-8) reading and writing to files in Python
...le you have "\xc3" in it. Those are 4 bytes and in your code you read them all. You can see this when you display them:
>>> open('f2').read()
'Capit\\xc3\\xa1n\n'
You can see that the backslash is escaped by a backslash. So you have four bytes in your string: "\", "x", "c" and "3".
Edit...