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Linux Mastering Development Ubuntu

What exactly is causing Debian to want to put packages up for “autoremove”?

I’m using Debian stable and I really don’t install much on it, but I’m starting to notice that whenever I happen to not use my system for a while Debian tends to add packages to autoremove. Packages that come with the default Debian system like Network Manager, wpa_supplicant, java, and etc all show up in […]

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User Help

pyspark – exception while installing in windows

I installed anaconda, java, spark, pyspark, and set the environment variables too. But whenever I run pyspark in anaconda shell, the exception I get is the following- Exception: Java gateway process exited before sending its port number

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Apple Ask

Use linux getopt in macOS [closed]

I’m trying to parse command line arguments using getopt() in c++: #include <unistd.h> #include <iostream> int main(int argc, char** argv) { int opt; opterr = 0; // Don’t allow getopt to print err messages // Parse command line args using getopt // “s:” means s is a required argument while (optind < argc) { if […]

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Mastering Development

Force geom_bar to not interfer with x ordering under any circumstances?

I am trying to disable the alphabetical reordering of the x variable in a geom_bar. I see lots of questions and answers around how to reorder the x variable in a simple bar chart (e.g. here, here, here), but each of the answers introduces complexity which is not necessary if the order can be left […]

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Development User Help

Finding other teenage coders out there [closed]

I am a teenager who is very good at coding and I can code in python, java, C#, JavaScript server, client side along with CSS/HTML and a small bit of MYSQL. The problem I am having is lack of motivation due to laziness and being a teenager itself. I also feel quite lonely in the […]

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Development

pass const pointer of large struct to a function or a go channel

How to pass const pointer of large struct to a function or a go channel. Purpose of this ask is: Avoid the accidental modification of pointer by the function Avoid the copy of the struct object while passing to function/channel This functionality is very common in C++, C#, Java, but how can we achieve the […]

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Development Web Design

how to begin to learn job oriented courses like digital marketing, web designing, web development & android?

Any one looking complete professional course plus certifications in Digital Marketing Training, App Development Training, Web Designing Training, Web Development Training, Full Stack Development Training, Automation Testing Training, Excel Training, Tally Training, Basic Computers, BPO & Call Center Training, Skill Development Training, All programming language Trainings like: c, c++, java, python, php, etc.., can contact: […]

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Development

Connect and extract live raw data from bluetooth devices

I recently bought a bunch of bluetooth devices which includes fitness bands, thermometers, room temp. But I’ve seen that most of them don’t appear in the mobile’s discoverable list but connects directly to their respective app. I’m curious to know, How they connect directly to the app and not appear in the discoverable list? How […]

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Development

Can’t deploy MEAN stack app to Azure App Service

I’m unable to deploy my app to azure app service. I’ve created a pipeline that failes at the azure app service deploy stage. Error: Starting: Azure App Service Deploy: my app dev ============================================================================== Task : Azure App Service deploy Description : Deploy to Azure App Service a web, mobile, or API app using Docker, Java, […]

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Development

Solving Picture Captcha With Selenium and 2Captcha (JAVA)

I have been struggling with solving captcha using selenium, java, 2captcha’s api. It clicks the verify button but doesn’t solve the picture, no errors pop out.. Here’s my code: private void solveCaptcha(String apiKey) { String googleKey = “6Lcsv3oUAAAAAGFhlKrkRb029OHio098bbeyi_Hv”; String pageUrl = “https://secure.runescape.com/m=weblogin/loginform?theme=oldschool&mod=www”; TwoCaptchaService service = new TwoCaptchaService(apiKey, googleKey, pageUrl); try { String responseToken = service.solveCaptcha(); […]