Questions tagged [development]

Technical questions related to software development—programming questions are off-topic and should be asked on Stack Overflow instead.

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How to install PHP for local development on a daily use Ubuntu machine, only running when called?

I did this years ago, but at this point I don't recall how anymore, so I know it's doable, and I've yet to find good documentation in any other way than it's possible. I'm looking for how to install ...
lilHar's user avatar
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1 answer
108 views

How would one find the full changelog of the Vivaldi desktop web browser?

I'm trying to find out if various old Vivaldi desktop web browser bugs I filed have been fixed. Their RSS feed https://vivaldi.com/feed/ can be parsed for new versions' changes and bug fixes. However, ...
Burleigh's user avatar
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1 answer
355 views

VirtualBox or Docker for shared software development environment?

I am very conversant with VirtualBox, but someone has told me "oh, you should use Docker" and we can't seem to communicate enough to make me understand why. Basically, I want to share a ...
Mawg says reinstate Monica's user avatar
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Use a router for setting up developmental sub-network from primary business network

Scenario: Primary business network goes down due to an undetermined issue with firewall (Note: we're not the only business with this firewall having issues). This issue is addressed with a power cycle,...
faw2017's user avatar
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1 answer
60 views

Local dev/test environment for macOS to run two networked O/Ses; one CentOS and the other Windows?

We have a product with three (3) components and I am trying to figure out a good way to set up an environment for local development and testing. Our components are: A "Gateway" per customer ...
MikeSchinkel's user avatar
-3 votes
1 answer
182 views

Why computers still need ram to boot?

That was reasonable 20 years ago where the fastest storage media was a diskette but now we have ssd's and I bet that even oldest sata drives are faster than the old pc100 ram but we still need ram and ...
Lerian Acosenossa's user avatar
1 vote
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Error: Cannot find module 'electron-pos-printer', vue-electron

In my case I use Vue-electron, It works fine in case development mode But this problem only appears in production mode...
Hamada Developer's user avatar
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1 answer
225 views

Running Qt app within WinPE

I'd say this is kind of inbetween both SuperUser and StackOverflow, but I am writing a GUI application using Qt that I would like to run within WinPE. I am well aware that WinPE is a very limited ...
ddybing's user avatar
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When does the Windows 10 License expire on the free Windows 10 development environment

The image(hyper-v) that I downloaded displays “Windows Expires Soon" Messages, although the download page says that it expires on 5/16/21. I just downloaded and installed it yesterday on 4/16/21....
RPhilip's user avatar
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1 answer
53 views

What if the computer programs would know about the existence of each other? [closed]

In modern computers, virtual memory provides a layer of abstraction, thanks to which the program thinks that's it works with the processor itself. I know it's impossible under the conditions of modern ...
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Run commands when cpu is hot

A pleasure to introduce myself, I am a user of Ubuntu and I have the following problem: I have a notebook whose cooling system is VERY bad, when it reaches 90 ° C it turns off, it never goes down. The ...
Nicolás Muros Gattás's user avatar
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How can I protect a USB flash drive

I am trying to create a portable development environment on a USB flash drive, I am doing this because I need something ultra portable that I can carry around with me everywhere, I am also a CS ...
saad.sawash's user avatar
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1 answer
105 views

Is using Red Hat 7.7 over 8.1 advisable for a project being developed right now? [closed]

We are finishing our development cycle, for which our OS is RHEL 7.6. The System Engineering team wants to use RHEL 7.7 for the next dev cycle, instead of using RHEL 8.1. The belief is that we don't ...
Scottie H's user avatar
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How does Ubuntu version upgrade works (technically)?

I know that when I update my packages (programs, kernel, etc) it syncs from the repository and if there is a newer version updates to it. I think that OS updates are the same, however I don't know ...
swanux's user avatar
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1 vote
1 answer
333 views

Debuild gpg sign failed no secret key

I've exported my key (through seahorse GUI) to key.pgp and imported on another Pc through the seahorse GUI on Ubuntu. After that I can't use this key for signing my deb package when running debuild -S ...
swanux's user avatar
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1 vote
1 answer
446 views

Is it possible to build apps for the latest iOS using an outdated Mac?

The question is related to the XCode development. Is it possible to use an old machine like Core 2 Duo Mac Mini for building apps for iOS 12 or the future 13/14? I will only build on this device. I ...
user1032032's user avatar
3 votes
1 answer
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How does computer sleep mode works? How RAM holds information even if power is cut off in sleep mode?

How does computer sleep mode works? How RAM holds information even if power is cut off in sleep mode? RAM is volatile memory which erases everything when power is cut off but if i put my computer to ...
areeb's user avatar
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1 answer
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Spring Tool Suite 4.1.1.RELEASE can not create schema.sql in resources

While working through chapter 5 of "Pro Spring Boot 2" I Used http://start.spring.io to generate a spring boot project: Group: com.apress.todo Artifact: todo-jdbc Name: todo-jdbc Package Name: com....
Gerry Matte's user avatar
1 vote
2 answers
561 views

New install of Python always gives the error "Python Shell, prompt [x], line [x] builtins.NameError: name '[function]' is not defined [closed]

I am new to coding, and I just installed Python 3.7.1 and Wing IDE Personal 6.1 on my computer. I installed python first, then Wing IDE, and pointed Wing to python.exe through the project properties ...
Cody Crawford's user avatar
1 vote
0 answers
510 views

Compiled Python app (using Pyinstaller) GLIBC error

I am developing a python app and I have compiled to distribute using Pyinstaller, I am using Ubuntu 18. I realized that program cannot run in older machine - like Ubuntu 16, 14 and so on. The reason ...
Edson Sobreira's user avatar
2 votes
1 answer
44 views

Create a user account for development in Ubuntu

How to create a user account in which I install all apps needed locally, so as not to mess up my system? That way if anything goes wrong I can simply just remove the user account and create a new one. ...
user90939's user avatar
-8 votes
2 answers
326 views

What does Alpha and Beta mean? Can a piece of software be both? [closed]

I'm just wondering what it means to be alpha and beta? Can a piece of software be Alpha and Beta at the same time. Is there any standard that defines these terms? Can a piece of software always be ...
Evan Carroll's user avatar
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What's an easy way to move all my development applications/settings to a new computer?

Over time, I'd installed a lot of applications on my (former) work machine. Node, various PHP installations, composer, eclipse (and plugins), vs code, GIT and much more. I've lost track of everything ...
Yash Capoor's user avatar
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989 views

Excel: Automatically Insert Checkbox (according to some conditions)

TL;DR: I want to automatically generate independent checkbox controls in cells based on their value and nearby values. Long version: I have a spreadsheet in which some cells are truly blank, some ...
user173897's user avatar
0 votes
3 answers
8k views

Access linux server file system directly from Windows for development

I am developing for an Arch linux server and I am looking for software to reduce the time it takes to copy the project to the server every time I changed something from my windows machine. I tried ...
besplash's user avatar
  • 101
4 votes
0 answers
308 views

How to change which toolchain scons utilizes

I am trying to compile OpeniBoot on an ARM device, namely the PocketCHIP, as per this guide (abeit with some minor modifications, considering I am not using a Raspberry Pi.). OpeniBoot is a custom low-...
unilock's user avatar
  • 41
3 votes
1 answer
3k views

A workaround which lets you use `mk-build-deps` (and fakeroot) on the Windows Linux Subsystem on Windows 10

apt-get build-dep apt-get build-dep is a useful tool. It installs the "build dependencies" of the specified application. For example: sudo apt-get build-dep firefox will install all the tools you ...
unforgettableidSupportsMonica's user avatar
0 votes
4 answers
6k views

Is there a way to code without a mouse?

is there an efficient way to code without a mouse? moving with the arrow on a text editor is too slow, but grabbing the mouse make me loose tim each time. No cheating, no trackpad :p Thanks. ps : I'...
sliders_alpha's user avatar
2 votes
1 answer
242 views

On Linux, which IDE can provide debug output in a separate window for a dual-monitor setup?

Problem: I want to have the debug window (namely the call stack, variables, etc.) on the second monitor, while having the source code on the first monitor. The OS is Linux, preferrably Fedora, the ...
iksemyonov's user avatar
0 votes
1 answer
250 views

Local domain names for moving development machine

I want to create a local kubernetes (minikube) and glusterfs setup on my laptop which will continue to work as I move location. The problem with this is that some aspects of the setup require an ip ...
Bill Sasquatch's user avatar
3 votes
0 answers
6k views

Postman: Invalid CORS Request

I use Postman to make manual requests to a REST API my team develops. I recently added an Origin header to an OPTIONS request in order to test whether CORS response headers are sent properly. Ever ...
elaforma's user avatar
  • 179
0 votes
1 answer
404 views

Unreal engine 4 - UI blury

I have posted this on the dev stackexchange and have been redirected here. My problem is as follows: My unreal engine UI does not look sharp and is blurred on my 1080p monitor. Subsequently, the ...
Computing Corn's user avatar
0 votes
2 answers
2k views

Trying to run 'alchemy' on Mac OS X and this is the error I get

Trying to install alchemy from http://al.chemy.org It is an application for artists. But apparently it isn't running on my machine. As soon as I try to run this, it creates an error 'No module found'. ...
Hemant Chhabra's user avatar
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0 answers
133 views

Why can't I name software "hwsetup" in Windows 10?

A strange thing happened to me today. I am a software developer and I develop applications using Qt. I wanted to write an unit test to one of my components, so I created a new, fresh project called "...
user2547287's user avatar
0 votes
1 answer
2k views

Cannot install Microsoft Visual Studio 2015 Installer Projects Extension

I would like to create installers for some of my software packages, so I am attempting to use the Visual Studio Add-On known as Microsoft Visual Studio 2015 Installer Projects Extension. However, I am ...
Snoop's user avatar
  • 73
1 vote
0 answers
28 views

LibreOfficeDev5.3 on Ubuntu 16.04 does not save modified forms

I've installed LO dev 5.3, because I need direct SQL to work, which I read was fixed in this version, but now I'm facing the issue that I can't edit any forms anymore. I can create new forms using the ...
oneindelijk's user avatar
1 vote
1 answer
1k views

SSD lifetime when using in development [duplicate]

I just bought Samsung 850 Pro 1TB SSD to speed up my laptop. I moved all my virtual machines to SSD so they will boot very fast. The only thing that I was not aware before buying an SSD is that it has ...
IKM2007's user avatar
  • 111
0 votes
0 answers
25 views

Keeping my Macbook synched with Mac. Same files same programs.

Most of the time I am working on my mac on development. I have my terminal the way i want it. The files are also here. I only use the macbook when I go out or need to work on programming classes. Is ...
Luis Liz's user avatar
  • 183
3 votes
2 answers
556 views

What makes VIM such a powerful text editor? [closed]

I read around around the web and many people tend to praise emacs and VIM for their power and versatibility. But to keep things more specific I want to focus on VIM. What makes it so versatile? What ...
net30's user avatar
  • 56
2 votes
0 answers
2k views

How to compare and filter files in the directory with filename in text file or excel sheet?

I have 100000 mp3 files in one directory, each file contain a random filename , and I have another excel sheet containing the mp3 file's name and to whom it maps to. Is there any way to develop a ...
AZUZ's user avatar
  • 43
-1 votes
1 answer
247 views

Justification for running Active Directory in a development environment [closed]

I currently work in a department focusing on developing software on the .Net platform. They come from a linux/php setting and have moved as a team onto the Windows world. The team have set up a nice ...
Casper Leon Nielsen's user avatar
-1 votes
1 answer
62 views

Need guidance starting node js / scala app

I have installed yum/apt-get installed scala, "node install" installed gulp, but cannot find how to run it for dev mode. I have started a number of node applications in the past. I am trying to ...
Zodzie's user avatar
  • 103
-2 votes
1 answer
140 views

If you're programming using C#, are you actually talking to the computer's CPU? [closed]

If you're programming using C#, are you actually talking to the computer's CPU?
Rancho Das's user avatar
0 votes
2 answers
245 views

How to use linux to not get crazy with root privileges

I've got a question for you today my dear Linux friends. I'm a windows user primarily. I use it for my work, watching movies, listening to music, playing games, browsing the net and everything else ...
Konrad's user avatar
  • 103
0 votes
1 answer
71 views

How do I start writing a high performance html editor with a non default UI on Windows that I can later port to Linux and Mac? [closed]

I want to know the best way to get a window to display non default UI elements while ultimately being multiplatform. I am trying to create an HTML editor which is more reactive but also featuring a ...
bettjarrmush's user avatar
0 votes
1 answer
36 views

Linux: developement environment for testing already installed application

I have cloned repository with git, that I would like to modify and test. However I have already installed this application via apt-get and I wouldn't like to make conflicts. What are good practices to ...
Damlatien's user avatar
0 votes
0 answers
62 views

Developing within VMs across multiple machines(Virtual box)

Recently I've developed a need to work within a few virtual machines. If I want to work on a different machine I've actually been copying it back and forth and it is a pain to do and causes issues. ...
Matt's user avatar
  • 123
1 vote
1 answer
6k views

Enable 'Show paint rectangles' without having Developer Tools open in Google Chrome

Google Chrome offers an option to visually highlight repainted areas using a Developer Tools option called 'Show paint rectangles'. It is described here: https://developer.chrome.com/devtools/docs/...
user's user avatar
  • 11
1 vote
1 answer
776 views

Development stopped: Is truecrypt unsecure? [closed]

I was looking for truecrypt today and found this: http://truecrypt.sourceforge.net/ The page layout changed and claims "truecrypt is unsecure". Futher: "The development of TrueCrypt was ended in 5/...
ellcs's user avatar
  • 13
4 votes
1 answer
4k views

How can we discover what programming language was used to make a software?

How can we discover what programming language a software was written in? For example: Office, Photoshop or any other application and their corresponding languages (C#, Java or ...). Does anyone know?
Sasan007's user avatar