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Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=
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226
The default collation for stored procedure parameters is utf8_general_ci and you can't mix col...
How to build Qt for Visual Studio 2010
... a how-to which provides a stable solution for using Qt with Visual Studio 2010, so after collecting all the bits of information and some trial and error, I would like to write my solution into a guide.
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Git - Difference Between 'assume-unchanged' and 'skip-worktree'
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2 Answers
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What is causing ERROR: there is no unique constraint matching given keys for referenced table?
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203
It's because the name column on the bar table does not have the UNIQUE constraint.
So imagine...
How to do date/time comparison
...mp; check.Before(end)
}
func main() {
start, _ := time.Parse(time.RFC822, "01 Jan 15 10:00 UTC")
end, _ := time.Parse(time.RFC822, "01 Jan 16 10:00 UTC")
in, _ := time.Parse(time.RFC822, "01 Jan 15 20:00 UTC")
out, _ := time.Parse(time.RFC822, "01 Jan 17 10:00 UTC")
if inTimeS...
Remove rows with duplicate indices (Pandas DataFrame and TimeSeries)
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502
I would suggest using the duplicated method on the Pandas Index itself:
df3 = df3[~df3.index.dup...
How to disable margin-collapsing?
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266
There are two main types of margin collapse:
Collapsing margins between adjacent elements
Co...
Clang vs GCC - which produces faster binaries? [closed]
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245
Here are some up-to-date albeit narrow findings of mine with GCC 4.7.2
and Clang 3.2 for C++....
Chain-calling parent initialisers in python [duplicate]
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The way you are doing it is indeed the recommended one (for Python 2.x).
The issue of whether the class is passed explicitly to super is a matter of style rather than functionality. Passing the class to super fits in with Python's philosophy of "explicit is better than implicit".
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JavaScript validation for empty input field
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123
<script type="text/javascript">
function validateForm() {
var a = document.fo...