大约有 30,000 项符合查询结果(耗时:0.0470秒) [XML]

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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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What is the best way to remove accents (normalize) in a Python unicode string?

...ng. """ try: text = unicode(text, 'utf-8') except (TypeError, NameError): # unicode is a default on python 3 pass text = unicodedata.normalize('NFD', text) text = text.encode('ascii', 'ignore') text = text.decode("utf-8") return str(text) def text_to_id(...
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How to prettyprint a JSON file?

... or just: jq '' < some.json – fatal_error Dec 9 '16 at 19:21 2 Actually I strong...
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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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Add column with number of days between dates in DataFrame pandas

... Nde - how exactly did it not work? Error or wrong values? Did you convert both A and B columns to datetime successfully? – Ricky McMaster Sep 24 '18 at 6:56 ...
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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...
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Using i and j as variables in Matlab

...use 1i. However, changing the meaning of i and j may lead to hard-to-debug errors such as this one. – Shai Feb 14 '13 at 7:49 1 ...
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Apache VirtualHost 403 Forbidden

...ite must run under domain www.mytest.com . I always get a 403 Forbidden error. I am on Ubuntu 10.10 server edition. The doc root is under dir /var/www . The following are my settings: ...
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Is there a “standard” format for command line/shell help text?

...ngSteely Wing 11.8k44 gold badges4747 silver badges5050 bronze badges add a comment  |  ...