Questions tagged [file-handling]
File handling refers to the set of tools, functions, and libraries to work with files and file handles. Creating, writing, appending, moving, and deleting files fall in this domain.
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Scaling/microservices approach to reading files from same directory
My company receives files via SFTP. We currently have a service running on a timer that:
polls the inbound directory
moves files to an 'In Progress' directory
processes files (queueing messages for ...
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What is a suitable format for writing large amounts of data within few milliseconds
I have a c++ code that needs to store some data whenever an event is triggered. The data contains about 3000 floating point values. So each of these values needs to be written in a file when the event ...
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The best way to handle exceptions?
I have the following method, which needs to return a List, but exceptions might occur along the way, and I don't want to handle them in my application, mainly because I don't even know how to handle ...
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Looking for clarification on the process of playing audio files [closed]
I've been working on a software project recently that's meant to include an audio player, and my plans for it definitely are to simply use an off-the-shelf player library, and go with that. However, ...
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How to Design a Secure Script for Conditional File Access Based on Time and API Conditions?
I want to create a secure script that grants access to files based on specific conditions. The access should be controlled by both time-based and API-based conditions. The script should only allow ...
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What is the advantage of log file rotation based on file size?
I understand that log file rotation is changing the log file you used when (1) one gets big enough or (2) at EOD, but I'm not sure I understand the reason for (1). I have never had any issues with ...
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Allow-Rendering-Prevent-Download Architecture
I am trying to devise a simple system that, with the use of tokens, allows a specific file to be rendered in the client's browser, yet prevents the user agent from being able to download the file. ...
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Load and process (compressed) data from filesystem in the blink of an eye
We have a huge amount of queries hitting our API that request a minor or major extract of some huge files lying around on our mounted hard drives. The data needs to be extracted from the files and ...
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What are some architectures and designs I could use to optimize the performance of file text data lookups?
I would like to write a program that essentially handles text data and metadata of files locally on a machine's filesystem. There is no need for any network activity. I am working with large ...
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Folder structure to store image/file uploads
I'm working on a system and we need to do some refactoring on the upload service, that handles all files and images uploads to the system. Nothing fancy, but I it got me thinking about the folder ...
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Checking if a file exists before writing. Always avoid, or sensible with the right use case?
There are few reliable absolutes in this world. One I have relied on is the idea that checking if a file exists before doing something with it just creates an unwanted race condition. Meaning between ...
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Selecting the endianness of data in files generated by an embedded system
I have an embedded system running on a little-endian Cortex-M3. This system is able to accept packets from the network and reply to them. Now, I would like the system to start generating files. These ...
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Regrouping several application files into one
I am working on a C++ application which lets users work on projects.
Each project consists of several files that should not be known / edited manually by the user.
For that we currently use a folder ...
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How best to keep Excel Workbook field in sync across class instances
I know almost nothing about threads, synchronization, ...
That being said, I am working on a record handler, that hits Excel sheet to pull/push data. There exist, in my code base, a BaseRecordHandler, ...
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Dealing with multiple application instances
I'm developing an application (Java & JavaFX) that writes/reads data (a file). The problem is I don't want to restrict user to run only one instance (of my app) at a time, as I really can't think ...
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