Linux is a popular, open source operating system kernel. Linus Torvalds started development of the kernel in 1991.

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44 views

Lag problem for a simple game in Java on Linux [on hold]

I made a snake game in openjdk-7 on Linux(Ubuntu 14.04) but there is a lag problem with the game.The lag occurs in openjdk-7 on my computer but some of my friends tried the game in openjdk-7 on ...
-2
votes
0answers
11 views

my Vimrc disabled the copy/paste action using mouse right click [migrated]

Am using an open source .vimrc file from https://github.com/amix/vimrc/blob/master/vimrcs/basic.vim, but it is screwing up my default mouse right click copy paste actions. Whenever I do a right click, ...
0
votes
1answer
58 views

What is the explication for the difference execution time for the same instruction?

As you know when we run instruction in our code like long a = b; we will not have the same ticks each to be executed. first exeution it take 2ticks; second exeution it take 3ticks; third exeution it ...
-1
votes
0answers
55 views

Relationship between .NET for Linux and Mono [on hold]

Microsoft announced last year that .NET will be open sourced. How does this impact the relationship between Mono and .NET for Linux. Will .NET Linux supersede Mono or will parts of of Mono go into ...
-1
votes
0answers
26 views

Text pasting animation [closed]

The wavemon tool on my linux machine has an interesting text pasting animation on its 'about' section. It seems that it's scrolling though several characters while pasting them on the screen and stops ...
-1
votes
0answers
33 views

Virtual embedded system [closed]

I want to learn Linux Embedded System programming. But right now I can't afford buying embedded hardware like Raspberry pi. I just want to know is there any virtual embedded system that I can try for ...
-1
votes
0answers
22 views

Programming with Kinect on Ubuntu Linux [migrated]

first time asking a question here so please bear with me if I'm not entirely coherent. I've been attempting to learn how to use the OpenNI, libfreenect, and SensorKinect libraries to create some code ...
-1
votes
0answers
18 views

Closing Nonduplex Unnamed Pipes in C [migrated]

I have 8 children, and am trying to use 8 pairs of nonduplex unnamed pipes to communicate with them. Thus, I have 2 pipes for each child and 16 pipes in total (one for childRead_ParentWrite and the ...
1
vote
2answers
166 views

Is Red Star OS released under the GPL? [closed]

According to Wikipedia, Red Star OS is is a North Korean Linux-based operating system Does that mean it's covered by the GPL, or are there exceptions?
-2
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3answers
247 views

Programming in Linux (C++) [closed]

So I don't know If this is the right place to ask this. I am new to programming, I am not very in to it (I know classes,arrays,functions..etc(Basic Things)). I was programming with Visual Studio 2013 ...
1
vote
1answer
83 views

Should a bin directory be full of shell scripts? [closed]

New guy on the team so I figured I'd ask here in public than sound like a complete dweeb and ask elsewhere. Without giving too much or anything away (please ask questions if you want), but should, or ...
1
vote
3answers
123 views

Protect memory from a potentially seg faulting function call

How can one safely call a function that might segfault without corrupting the stack or the heap? These SO questions cover using signal handlers and setjmp.h to regain control. Coming back to life ...
0
votes
2answers
54 views

What does “host” mean in “… host driver” and “… host adapter”?

From How Linux Works, by Brian Ward, I saw "SCSI Host Adapter", "SATA Host Driver", "Disk Driver (sd)", "CD/DVD Driver (sr)", "USB Host Driver", and "USB Storage Driver". What does "host" mean in ...
1
vote
2answers
65 views

How does a user program access a device?

In Linux, from http://www.mulix.org/lectures/intro_to_linux_device_drivers/intro_linux_device_drivers.pdf user programs talk with device drivers through device files But if I understand ...
1
vote
0answers
45 views

Is there a standard practice on making a modular Python script?

I wrote a Python script for PIA here: pia-auto-login.py However, I need to make it more modular so that it does the OpenVPN changes from this script. Then I want to create two more packages (at ...
1
vote
2answers
412 views

Why doesn't Android use shared libraries?

In Android if you use a library in your app (such as the Support Library) the code for the library is duplicated on the device for each app that uses it. Why can't android use the linux "shared ...
0
votes
1answer
81 views

What programmable system can provide persistent scheduling? [closed]

I want to write an application that creates scheduled events at specific times. When the delay elapses the event notifies the application. The scheduled events must not be stored in the application's ...
1
vote
2answers
114 views

Program Compatibility - OS That Can Run Anything? [closed]

I know that programs that are built on one OS won't work on another, like a Windows program on a Linux distribution, and that there are programs that translate those system calls into system calls ...
3
votes
0answers
55 views

Evaluating concurrent application design approaches on Linux

Working on relatively low-speed hardware, I need to grab a snapshot of a rapidly changing datastream and then post-process the snapshot data and save it to disk. I need help with designing the ...
0
votes
2answers
238 views

Strategy for creating a websocket relay?

I own a Raspberry Pi and would like to use it as some sort of websocket relay, so that all people who visit a specific webpage would be able to communicate with each other. The key thing about this is ...
27
votes
8answers
5k views

Why don't developers make installation wizards on linux? [closed]

I'm sure it's not about laziness or anything like that but I fail to understand why developers of even mainly consumer facing apps don't make any sort of installation wizard where you go ...
1
vote
2answers
439 views

Infinite while loop CPU usage

I'm coding an script in C, which is going to check constantly an array of events, the idea is to check if the Date and time of certain event is equal to de current time and trigger something, i'm ...
1
vote
2answers
226 views

Is creating and writing to one large file faster than creating and writing to many smaller files in Python on Linux?

If using Python on a Linux machine, which of the following would be faster? Why? Creating a file at the very beginning of the program, writing very large amounts of data (text), closing it, then ...
0
votes
1answer
176 views

How to learn new technologies in short period of time? [duplicate]

The title says it all. I'm a .NET programmer, working mostly on WPF applications with C#. But I need to be familiar with latest web development technologies, JavaScript, HTML5, CSS, ASP.NET MVC, ...
3
votes
1answer
98 views

optimize human-readable database with index

i need to store a large amount of data - about 10 million entries of the format unique hash (64 chars), value 1 (5 chars), value 2 (9 chars) i will be reading and deleting (but not updating) this ...
-1
votes
3answers
417 views

Programming with emacs instead of a debugger-integrated IDE [closed]

There's a question that might be deemed a duplicate of this one (I use an IDE (Eclipse) to develop software. Why should I switch to vim or emacs?) but I don't think answers my question. I usually ...
0
votes
1answer
186 views

What is the proper way to use an IDE to work on remote code?

One of the code bases I work on has a development environment that is running on a dev server and cannot be copied over to my PC to locally test and develop. I am wondering what is the proper way to ...
2
votes
2answers
263 views

What UML diagram should be used for modelling permissions/users/files in Linux?

If I am planning a structure for support testing in Linux, a structure that will contain packages, such files as shell and build scripts, app configurations, DBs, sources, tests and jars for to be ...
0
votes
1answer
125 views

Need advise for porting linux script to Win command line [closed]

I am creating app(script) that is used similar to RSS reader for specific webpage that doesn't have RSS. So my app downloads that html page in defined intervals, checks new items and parses them into ...
1
vote
0answers
50 views

Auto Create VM and display IE

I have just acciquired an old Dell Poweredge SC1425 from an old friend, this server will act as a development box for web based applications. All has been going well, I have installed the following ...
2
votes
1answer
176 views

How to break up Yocto layers for continuous integration?

We are building embedded software using a Linux setup based on the Yocto project. We have a couple different configurations that we are building for different purposes (but the same target). I have ...
2
votes
1answer
185 views

Moving our web application from a windows development environment to linux environment seamlessly

I am trying to develop a web application on a windows machine using apache wicket, java, jquery etc. Apache wicket comes with an embedded jetty server. I am using eclipse as the IDE. The application ...
0
votes
1answer
268 views

Commercial use for embedded system

I am developing a embedded system (computer + os + programs) to sell it to a company. I am confused about the licensing and the softwares I wanted to use to develop the system.So I want to know if I ...
0
votes
1answer
152 views

Scheduling between child and parent process

When child processes are created using the fork system call what is there scheduling priorities..are they same? if so will always a child process run first and then parent...or is there a manipulation ...
1
vote
1answer
108 views

Is it legal to distribute a closed source X Window Manager?

I’m doing a thought experiment about making a product on top of Linux. I’m wondering: If you make a custom window manager (akin to KDE, for example) on top of X and you release it, do you have to ...
3
votes
2answers
231 views

Tablet development for a dedicated system

I need to make an architectural decision for developing (actually porting) my embedded solution on a tablet. The choice comes down to Ubuntu or Android, so I have some specific questions to help me ...
0
votes
1answer
549 views

Proxy to redirect DNS during development [closed]

I am using Genymotion to test an app. The app is basically a browser that connects to my website. I do not have the app's source. I do the development and testing of the website in a domain like this: ...
0
votes
1answer
147 views

Python: Counter for Simultaneous calls of a PHP script?

I'm trying to create a queue processing script that's purpose is to find particular files and apply actions based on specific parameters, with the result being to call a PHP script that serves to ...
-1
votes
1answer
204 views

Linux kernel development

I am trying to understand the linux kernel and there is one thing that is puzzling me for quite a while. As linux is used across variety of platforms (like smartphones,desktop,supercomputers etc) and ...
5
votes
3answers
792 views

Is there much difference between X86 Assembly language on Windows and Linux?

I'm a complete beginner at Assembly, and my aim is to learn as much as I can to do with Assembly to one day I can reach expert level (I know I'm way off right now, but you never know). My only problem ...
0
votes
2answers
665 views

Why to have an application with GUI on linux when command line is available?

If the question appears to be off topic then please migrate to some other suitable domain on stackexchange. Q.why to have GUI along with CLI, when you already have command line interface? I'm ...
-1
votes
1answer
332 views

Could ChromiumOS be re-written in Go from the ground up? [closed]

As Go seems able to performance match C and with Google obviously biased towards Go, I feel that it would be great way for Go to gain more traction. The way ChromiumOS/Chrome has jumped from an ...
0
votes
1answer
424 views

What is the best way to deploy commercial programs on Linux? [closed]

Due to the diversity of Linux distributions, it is quite common for programs to be distributed in source format together with scripts in order to assist the configure, make, make install sequence. ...
0
votes
1answer
68 views

Installation from RPM, instead of making source code?

I am trying to deploy a Redis server in Linux. The Redis official site provides source code to download, so I have to use 'make' to install Radis. The 'make' works, but my problem is how can I use ...
2
votes
2answers
733 views

Distributing a proprietary application together with GPL software [closed]

First, there are many similar questions here, but I found none with direct answers about this specific scenario. If you find a duplicate, please be kind enough to link to the specific answer(s). Also, ...
0
votes
1answer
342 views

Creating a custom GUI. App/DE/WM?

I am starting with this project of mine of writing a custom UI for linux. What would happen is: The computer would boot into this UI which would not be the typical taskbar/icons/startbutton kind of ...
1
vote
4answers
280 views

Application qos involving priority and bandwidth

Our manager wants us to do applicaiton qos which is quite different from the well-known system qos. We have many services of three types, they have priorites, the manager wants to suspend low priority ...
4
votes
2answers
360 views

What does the “d” mean after linux packages? [closed]

I've noticed that a lot of the packages I've been installing on my Ubuntu machine has this "d" at the end. Googling it doesn't give me any answers that I can find. For example: FTP server - ...
2
votes
3answers
806 views

Web Development on Windows but on Linux Environment [closed]

I do PHP Development on WAMP but sometime it don't work properly when I upload the files to a Linux server, its involve a lot of testing and annoying. I am looking for a solution to do PHP ...
5
votes
2answers
498 views

Seeking xinetd alternative for forking concurrent servers in Linux

I recently posted here asking about the drawbacks of having a server process bind to a dynamically assigned port. That approach came about because xinetd, which launched the server process, allocates ...