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    I'm new to Python. I've a question. Some one could help me. I do the following in the command prompt: >>> a=set() > ... 2,7), (3,7), ... Thanks! See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am trying to identify a problem because of an unusual usage of variadic macros. Here is the hypothetic ... falls into an undefined behavior? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I wondered that : spark use the spark.yarn.driver.memoryOverhead or spark.yarn.executor.memoryOverhead to ... .yarn.executor.memoryOverhead? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    My question concerns the replaceAll method of String class. My purpose is to replace all the em-dashes in a text with ... is it I'm doing wrong? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    what is the difference between using comma or join between two different tables. such as these two codes: SELECT ... FROM student JOIN tutor; See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Had two answers and some comments, mentioned another question, but all had not provided REASON, why Python did ... be appropriated. Many thanks. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have this pattern for my command-line program: ^s?([/|@#])(?:(?!1).)+1(?:(?!1).)*1(?:(?:gi?|ig)?(?: ... " ); } else { console.log( "no" ); } See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    The Question came out when i was learning java.lang.String Java API. I found an article in Chinese. Java 中new String( ... but not c++. Thanks.! See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    the MySQL service on local computer started and then stopped. Some services stop automatically if they are not ... resolve this issue? Thanks. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    According to PEP 358, a bytes object is used to store a mutable sequence of bytes (0-255), raising if ... the implementation does not conform ? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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