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How does BLAS get such extreme performance?
Out of curiosity I decided to benchmark my own matrix multiplication function versus the BLAS implementation... I was to say the least surprised at the result:
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O(nlogn) Algorithm - Find three evenly spaced ones within binary string
I had this question on an Algorithms test yesterday, and I can't figure out the answer. It is driving me absolutely crazy, because it was worth about 40 points. I figure that most of the class didn't solve it correctly, because I haven't come up with a solution in the past 24 hours.
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Are string.Equals() and == operator really same? [duplicate]
Are they really same? Today, I ran into this problem. Here is the dump from the Immediate Window:
8 Answers
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Open URL in same window and in same tab
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answered Dec 10 '11 at 5:05
vdbuildervdbuilder
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How can I drop all the tables in a PostgreSQL database?
...web2py), using the former caused problems:
<class 'psycopg2.ProgrammingError'> no schema has been selected to create in
So to my mind the fully correct answer is:
DROP SCHEMA public CASCADE;
CREATE SCHEMA public;
GRANT ALL ON SCHEMA public TO postgres;
GRANT ALL ON SCHEMA public TO public...
What’s the best way to check if a file exists in C++? (cross platform)
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edited May 28 '12 at 7:05
lnafziger
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answered ...
Compile error: “g++: error trying to exec 'cc1plus': execvp: No such file or directory”
When I compile C/C++ program with popen in php ... I got this error:
9 Answers
9
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How do you split a list into evenly sized chunks?
I have a list of arbitrary length, and I need to split it up into equal size chunks and operate on it. There are some obvious ways to do this, like keeping a counter and two lists, and when the second list fills up, add it to the first list and empty the second list for the next round of data, but t...
How to do a JUnit assert on a message in a logger
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How do you stop the test from failing if you log an Error?
– Ghilteras
Dec 13 '18 at 1:41
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How to check if field is null or empty in MySQL?
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answered May 15 '18 at 14:05
Gleb KemarskyGleb Kemarsky
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