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IN vs OR in the SQL WHERE Clause

...h your specific data to see which is faster. I tried both on a MySQL with 1000000 rows. When the column is indexed there is no discernable difference in performance - both are nearly instant. When the column is not indexed I got these results: SELECT COUNT(*) FROM t_inner WHERE val IN (1000, 2000,...
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How to convert a boolean array to an int array

... answered Jul 6 '13 at 19:10 BrenBarnBrenBarn 197k2727 gold badges348348 silver badges337337 bronze badges ...
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Convert decimal to binary in python [duplicate]

...l representation of a given number in binary, use bin(i) >>> bin(10) '0b1010' >>> 0b1010 10 share | improve this answer | follow | ...
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First-time database design: am I overengineering? [closed]

... answered Feb 23 '10 at 19:44 Tom CroweTom Crowe 47644 silver badges33 bronze badges ...
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How can I efficiently select a Standard Library container in C++11?

...eated. – Matthieu M. Jul 5 '13 at 6:10 add a comment  |  ...
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How to assert two list contain the same elements in Python? [duplicate]

... | edited Aug 10 '18 at 16:44 kmad1729 1,05411 gold badge1010 silver badges1919 bronze badges ...
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Custom Python list sorting

... here? – HelloGoodbye Aug 16 '19 at 10:17 1 @HelloGoodbye sort() doesn't have a cmp argument in P...
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Get all child views inside LinearLayout at once

......} for that. – Anoop Apr 4 '14 at 10:54 3 what if one of the child is a ViewGroup and we want t...
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mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to

... answered Jun 4 '10 at 10:19 Edward DaleEdward Dale 27.4k1010 gold badges8383 silver badges127127 bronze badges ...
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What is the difference (if any) between Html.Partial(view, model) and Html.RenderPartial(view,model)

... | edited Apr 28 '10 at 13:38 answered Apr 28 '10 at 13:32 ...