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Cannot issue data manipulation statements with executeQuery()
In MySQL I have two tables, tableA and tableB . I am trying to execute two queries:
10 Answers
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How do you concatenate Lists in C#?
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Concat returns a new sequence without modifying the original list. Try myList1.AddRange(myList2).
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Simple way to find if two different lists contain exactly the same elements?
...have 3 options.
Option 1
Use containsAll(). This option is not ideal, in my opinion, because it offers worst case performance, O(n^2).
Option 2
There are two variations to this:
2a) If you don't care about maintaining the order ofyour lists... use Collections.sort() on both list. Then use the e...
Volatile vs Static in Java
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@Jaikrat Yes that was very confusing for me. My understanding is that you're right and that this answer is wrong, as written. I would also like to be corrected if I'm wrong.
– stuart
Jul 7 '15 at 18:31
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Difference between ApiController and Controller in ASP.NET MVC
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@JYL I augmented my answer to provide more detailed information.
– Andre Loker
Sep 12 '13 at 7:34
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How do I embed a single file from a GitHub gist with the new gist interface?
...RL from the left-hand side and after the .js add a query string like ?file=myFile.blah, e.g.
<script src="https://gist.github.com/4505639.js?file=macroBuild.scala" type="text/javascript"></script>
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Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?
... cache, swapping in data from another cache or main memory delays things.
My guess is that the variance in run times you're seeing with the different sized matrices is affected by how effectively the operating system can make use of the available cache (and some combinations are just problematic). ...
c++ boost::multi_index composite keys efficiency - c++1y / stl - 清泛IT社区，为创新赋能！
...-depth question that hopefully a boost or C++ container expert might know (my knowledge in C++ containers is pretty basic). For reference, the boost documentation on composite keys can be found here: boost::multi_index composite keys.When using a composite key, the documentation states that "Co...
eval command in Bash and its typical uses
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With regard to my comment above, how many "passes" does the eval do?
– kstratis
Jun 16 '12 at 19:22
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How can I dynamically create a selector at runtime with Objective-C?
I know how to create a SEL at compile time using @selector(MyMethodName:) but what I want to do is create a selector dynamically from an NSString . Is this even possible?
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