Recent questions tagged parameter

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parameter passing - PostgreSQL: ERROR: 42601: a column definition list is required for functions returning "record"

As far as I can tell, my function properly resembles the samples I've seen. Can someone clue me in as to ... username limit 1; return; end; $$ language plpgsql; Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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437 views

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parameter passing - Java pass by reference

What is the difference between this 2 codes: Code A: Foo myFoo; myFoo = createfoo(); where public Foo ... any differences between these 2 pieces of codes? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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424 views

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parameter passing - Check number of arguments passed to a Bash script

I would like my Bash script to print an error message if the required argument count is not met. I tried the ... 2: command not found What am I doing wrong? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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390 views

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parameter passing - What is "pass-by-name" and how does it work exactly?

I've checked Wikipedia and googled but I still can't wrap my mind around how pass-by-name works in ALGOL 60. question ... /838079/what-is-pass-by-name-and-how-does-it-work-exactly...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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415 views

1 answer

parameter passing - What is "pass-by-name" and how does it work exactly?

I've checked Wikipedia and googled but I still can't wrap my mind around how pass-by-name works in ALGOL 60. question ... /838079/what-is-pass-by-name-and-how-does-it-work-exactly...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

389 views

1 answer

parameter passing - What is "pass-by-name" and how does it work exactly?

I've checked Wikipedia and googled but I still can't wrap my mind around how pass-by-name works in ALGOL 60. question ... /838079/what-is-pass-by-name-and-how-does-it-work-exactly...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

666 views

1 answer

parameter passing - Example of how pass by value-result works in Prolog

I'm new to Prolog and I am aware of how pass by value-result works. However, I noticed that there's a lack of ... would like to see an example of how it works in this language....

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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