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Troubleshooting “Illegal mix of collations” error in mysql
...ows you to specify the collation used in the query.
For example, the following WHERE clause will always give the error you posted:
WHERE 'A' COLLATE latin1_general_ci = 'A' COLLATE latin1_general_cs
Your solution is to specify a shared collation for the two columns within the query. Here is an e...
How does the const constructor actually work?
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const is a nice performance win for Flutter widgets according to medium.com/@mehmetf_71205/inheriting-widgets-b7ac56dbbeb1 "Use const to build your widgets Without const, selective rebuilding of the sub-tree does not happen. Flutter creates a new insta...
Should I use tag for icons instead of ? [closed]
...t day to learn twitter's bootstrap and it feels bad that they are not following best practices.
– Jashwant
Jun 21 '12 at 9:35
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Determining complexity for recursive functions (Big O notation)
...4, even though the result is the same, shouldn't the induction be the following? T(n) = a + 2T(n-1) = a + 2a + 4T(n-1) = 3a + 4a + 8T(n-1) = a * (2^n - 1) + 2^n * T(0) = a * (2^n - 1) + b * 2^n = (a + b) * 2^n - a = O(2^n)
– Snowfish
Jan 3 at 22:59
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Java “Virtual Machine” vs. Python “Interpreter” parlance?
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@S.Lott Because it's always good to win arguments with colleagues. ;)
– Qix - MONICA WAS MISTREATED
Oct 6 '14 at 3:50
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How can I pair socks from a pile efficiently?
...ent than a modern CPU, this question makes no practical sense.
Humans can win over CPU algorithms using the fact that "finding a matching pair" can be one operation for a set that isn't too big.
My algorithm:
spread_all_socks_on_flat_surface();
while (socks_left_on_a_surface()) {
// Thanks t...
Window Features - 更多技术 - 清泛网 - 专注C/C++及内核技术
Window FeaturesThis overview discusses features of windows such as window types, states, size, and position.Window TypesOverlapped...This overview discusses features of windows such as window types, states, size, and position.
Window Types
Overlapped Windows
Pop-up Windows
Child Windows
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Why always ./configure; make; make install; as 3 separate steps?
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But why not just let people do it themselves? Is this really such a big win?
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Why doesn't C++ have a garbage collector?
...the paper made a good job of introducing the concepts one at a time and showing the evolution of the algorithm from the "simple" version to the full-fledged one. Recommended reading if only I could put my hands back on the PDF file...
2. Resources Acquisition Is Initialization (RAII)
It's a common...
What’s the difference between ScalaTest and Scala Specs unit test frameworks?
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The readability of scalatest is a major winning point over scala specs for me.
– nemoo
Jan 20 '14 at 9:07
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