Category "io"

selecting one file/folder from the directory

I am building a program that manages the quantity and distribution of files and folders from folder "a" to "b" in java (io , nio, apache commons-io) libs. I got

Why does the PrintWriter class (and other writers) require a call to flush after writing?

I have noticed that some I/O Classes in Java (and a lot others, like the BufferedWriter and FileWriter), require a call to flush() after writing. (With the exce

Java | Attempting to delete files on a Windows machine results in "phantom files"

I'm trying to delete some files on a windows machine using apache commons-io's FileUtils.deleteDirectory method (The version of the commons library is 2.4). Sai

c# byte[] asspan equivalent?

I have a line of code with an AsSpan method that didn't exist in .NET 4.7.2. This is from a netstandard2.1 project that I neither understand nor can convert to

Beginner to C Programming - .c file that will operate outside of console / terminal and interact with GUI?

I'm several months into learning C programming and so far have used .c files that always output to the console. Can someone suggest a sample .c file with code t

How do I create a Java string from the contents of a file?

I've been using the idiom below for some time now. And it seems to be the most wide-spread, at least on the sites I've visited. Is there a better/different way

.NET Core 3.1 Writing file to network drive

I am trying to get user to upload a document from the web interface and have it stored on the network share *\dfsms\shared\MyProject* , it also saves the entry

Convert String array to an Int array and total it

I need to create a program that accepts input from a file. I need to ask the user to enter two(2) variables, the interest rate and months for the loan. I then c

How to optimise reading multiple files containing bytes into a NumPy array

I currently have ~1000 files containing bytes. Each file contains a few thousand messages, each message has identical data types. I've tried several ways of rea

Can I send/receive Java objects to RabbitMQ using Java built-in IO classes instead of Spring AMQP?

I need to send/receive Java POJOs to/from RabbitMQ. There is a ready solution with Spring AMQP, but I've managed to do it with built-in java.io.* (serialize POJ

problems with """input().split() in loop""" in python

n, m, k, r = tuple([int(i) for i in input().split()]) roads = [] for road in range(m): t = tuple(list(map(int, input().split()))) roads.append(t) pri

IO backend error in the xarray for netcdf file

I am trying to open a .netcdf file using xarray and it is showing this error. I am unable to resolve this error and I have found no such solution to resolve thi

Arduino: getting filenames using SdFat

I have used SdFat before, but it seems to have changed and I can't find documentation that I understand, and fewer examples... I have an Arduino project in whic

Scanner is skipping nextLine() after using next() or nextFoo()?

I am using the Scanner methods nextInt() and nextLine() for reading input. It looks like this: System.out.println("Enter numerical value"); int option; o

CPP program background waiting for jobs

I want to split up the following workflow of a C++ program: Read serialized data (1 sec, which is already very fast for that size) Search data (0.01 ms) Return

How do I make the code which execute the python file (not itself) with input redirection?

I want to make call.py which execute main.py with input redirection of input.txt. In addition to that,I don't want to change the code of main.py. What I want

cats-effect:How to transform Map[x,IO[y]] to IO[Map[x,y]]

I have a map of string to IO like this Map[String, IO[String]], I want to transform it into IO[Map[String, String]]. How to do it?

Download a captcha image without an extension

How I can download this captcha image with PIL or another image manipulation library, I tried several ways but I can't download the image. from PIL import Imag

Passing allocatable array into a subroutine

I am working on a f90 code that I didn't write. I am not a very experienced fortran user. There is a part that bothers me a bit and I am not sure if it is a nor

How to read/write a file in Java

I would like to replace some items in a file, based on some regular expressions. In order to do that: I read the file line per line For every line, I check for