Recent questions tagged io

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io - How to read a file as a byte array in Scala

I can find tons of examples but they seem to either rely mostly on Java libraries or just read characters/lines/ ... someone help me with that? See Question&Answers more detail:os...

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

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io - difference between flush and close function in case of filewriter in java

I need to know what is exact difference between flush and close function in Java? And When the data is ... file? Please provide one example See Question&Answers more detail:os...

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

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389 views

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io - How to quickly check if folder is empty (.NET)?

I have to check, if directory on disk is empty. It means, that it does not contain any folders/files. I ... do it much quicker. Any suggestions? See Question&Answers more detail:os...

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

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734 views

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io - How can one flush input stream in C?

I am not able to flush stdin here, is there a way to flush it? If not then how to make getchar() to take ... salary : Add another record (Y/N) See Question&Answers more detail:os...

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

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544 views

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io - Given a Java InputStream, how can I determine the current offset in the stream?

I'd like something like a generic, re-usable getPosition() method that will tell me the number of ... implementation of a counting InputStream? See Question&Answers more detail:os...

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

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764 views

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io - Specifying the maximum string length to scanf dynamically in C (like "%*s" in printf)

I can specify the maximum amount of characters for scanf to read to a buffer using this technique: char ... buffer size to scanf dynamically? See Question&Answers more detail:os...

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

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736 views

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io - How to read a struct from a file in Rust?

Is there a way I can read a structure directly from a file in Rust? My code is: use std::fs::File; ... from the file? Is this even possible? See Question&Answers more detail:os...

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

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935 views

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io redirection - Redirect stderr to stdout in C shell

When I run the following command in csh, I got nothing, but it works in bash. Is there any equivalent in ... to standard out? somecommand 2>&1 See Question&Answers more detail:os...

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

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484 views

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io - How to idiomatically / efficiently pipe data from Read+Seek to Write?

I want to take data from random locations in input file, and output them sequentially to output file. Preferably, ... there is a better way? See Question&Answers more detail:os...

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

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735 views

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io - How are the O_SYNC and O_DIRECT flags in open(2) different/alike?

The use and effects of the O_SYNC and O_DIRECT flags is very confusing and appears to vary somewhat among platforms ... O_SYNC | O_DIRECT. Why? See Question&Answers more detail:os...

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

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584 views

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io - Java: Difference between PrintStream and PrintWriter

What is the difference between PrintStream and PrintWriter? They have many methods in common due to which I often ... 't find this question. See Question&Answers more detail:os...

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

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458 views

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io - Read a file line by line in Prolog

I'd like to read a plain text file and apply a predicate to each line (the predicates contain write which does the output). How would I do that? See Question&Answers more detail:os...

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

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589 views

1 answer

io - Haskell read raw keyboard input

I'm writing a terminal-mode program in Haskell. How would I go about reading raw keypress information? In ... the user presses Ctrl+S. See Question&Answers more detail:os...

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

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489 views

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io - MPI Reading from a text file

I am learning to program in MPI and I came across this question. Lets say I have a .txt file with 100 ... .txt and supports fscanf afterwards. See Question&Answers more detail:os...

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

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465 views

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io - In Python, is read() , or readlines() faster?

I want to read a huge file in my code. Is read() or readline() faster for this. How about the loop: for line in fileHandle See Question&Answers more detail:os...

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

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392 views

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io - How to lock a file with C#?

I'm not sure what people usually mean by "lock" a file, but what I want is to do that thing to ... another application for my testing purposes? See Question&Answers more detail: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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io - IPython: redirecting output of a Python script to a file (like bash >)

I have a Python script that I want to run in IPython. I want to redirect (write) the output to a file, similar ... this that I just can't find. See Question&Answers more detail:os...

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

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