Do Chromebooks offer adequate programming capabilities offline?
I can never guarantee my WiFi access.
I know I can access local files, and being Linux-based, what does this mean for programming offline?
Also, I am returning to obtain my MSc in IT. Would this be a good purchase for such a cause? I am focusing on web development (HTML, JavaScript, Rails).
I want to know specifically if a Chromebook (I have my eyes on the Acer C720) can get the work done. True, I'll probably rare ever be offline, but I want to know if I'll be able to both edit code, then run it to troubleshoot.
My main points: editing and running code on a Chromebook. Also, could I amend the drawback by running Windows or Linux (ie, Ubuntu, Mint)?Thanks guys for any advice.
I use an Acer C720 Chromebook (2GB RAM, 16GB SSD) as my Meteor (Javascript, HTML. CSS, MongoDB) development machine. The specs may sound poor but in reality - thanks to the fantastic Haswell chip - the laptop is great.
I have Xubuntu installed instead of ChromeOS... so maybe that is not a real answer to your question.
It's a fantastic little machine - long battery life and boots in a few seconds. I tried Bodhi Linux first but find Xubuntu better for my needs.
I expanded the storage using a keep-in tiny UltraFit 64GB USB 3.0 flash key. Amazing device.
I use an HDMI monitor when doing longer coding sessions.
Device cost me $150 on eBay and around $25 for the USB key.
I use the free http://komodoide.com/komodo-edit/ as my editor.
If you feel like taking the plunge and converting from ChromeOS to Xubuntu, these two links may help:
BIOS changes: https://blogs.fsfe.org/the_unconventional/2014/09/19/c720-coreboot/
Xubuntu distribution: https://www.distroshare.com/distros/get/14/
Good luck and enjoy!
Related
I've been tasked to develop an OpenCL application for a specific platform, Intel CoffeeLake-H GT2 (UHD Graphics 630). There are two problems for me:
Even having some OpenCL programming experience (not that much though), I wouldn't know where to begin. I have no prior experience with targeting specific hardware before.
The device itself has to be emulated or something, because I don't have it at hand.
Of course, I tried googling information today, but couldn't find anything that could really help me. Guess, it's just because of my lack of experience. So, I'm stumped right now, and asking for help.
It would be really great if I can be helped. Any help would be appreciated. Thanks in advance.
Small note: I'm working on this project under Ubuntu 18.04.
I'm not aware of any emulated environment, and anyway, ultimately nothing replaces access to the target hardware. I see a few workarounds:
Target a similar-enough device. Intel GPUs haven't changed that drastically, so especially if you have an older/lower-spec one around, whatever you end up with should run better on the newer GPU. You can also work with a GPU from another vendor if you have at least sporadic access to a system with an Intel GPU. You don't want to go for too long at a time without testing on your target hardware. (It's generally a good idea to test OpenCL code against different implementations while developing, as it's easy to accidentally rely on implementation-defined or undefined behaviour otherwise.)
Rent a relevant physical device. Places exist that allow you to rent laptops or desktop PCs for a short time period.
Remote access to a target device. Presumably whoever posed the requirement actually has such devices. Ask for remote access to one of them, via the magic of the internet. (RDP, VNC, SSH)
Rent similar hardware in a data centre. There are bare metal hosting companies that rent out physical servers built from commodity hardware. Find one that offers servers with a close enough match to the system you're targeting and rent one there.
As for the skill gap, well, you'll either have to bridge that one yourself by following enough documentation, tutorials, etc. or by finding (hiring…) someone who will give you some degree of hand-holding through the project.
Well, I need your advice.
I'm working on a huge engineering project, everything is ready now (resources and formulas etc) and it's time to start coding. I don't have any problem with what language to code with (i know a lot).
but they're the users who are pulling me off.
I use Windows as a primary OS but there are a lot of Mac and Linux users too. And these days tablets have taken a lot of developing space ( Android and stuff).
So what option do you advice :
1)Write the program from the scratch on each OS, I mean writing the program on Windows using Visual Studio, on Mac use Xcode.
but this costs a lot ... I own Windows PC, buying Mac or Mac OS for my desktop, will ruin my budget.
2)Use cross-platform compilers ...
It is nice. but how about the commercial use? I have read that I need to buy a commercial license in order to publish my apps worldwide.
please if this is wrong tell me about it.
so really I don't know ... shall I just deploy it for Windows?
Also if you know a great option for cross-compiling would help a lot .
Your Advice Is Appreciated
Best Regards
What kind of app is it?
If it's just a number crunching app with a very simple front end then can you write a commandline version and wrap it with a web script?
If it needs very responive rich user interface and you can program in C++ then Qt is a very good solution even if you don't need cross platform.
The LGPL license is perfectly suitable for commercial apps.
I'm in the research phase of my next computer build. I have the idea in my head of running a hypervisor as the base of the system, but i would want to be able to take a shot at programming opencl with one of the OS's installed on the hypervisor...and maybe some gaming. Would i have enough access to the GPU to be able to achieve this effectively, or am i better off installing an OS that i will do development(and gaming) from and then just virtualize any systems on top of that?
what are your recommendations for a hypervisor, vmware, microsoft or other?
sidenote: Recently graduated with a BS in CS, the massive parallel processing seems like a good idea of something to learn, won't be doing any 'real'/major development work. also, i'm aware that CUDA is more mature in it's development, but i'm sticking with opencl for a few reasons, so please don't try to persuade me.
thanks for your input!
dave k.
whats your focus? Virtualisation or OpenCL?
Hak5 did a nice walkthrough of debian based virtualisation environment ProxMox, but I don't know whether it allows virtual hosts hardware access or OpenCL virtualisation.
All
I've a Good Command over C++, But I've never done anything anything on device programming. I've some basic understanding on Digital Logic Design. But I am complete Noob in Electronics. Currently I am getting huge interest on microcontroller Programming.
Where To Start ?
I don't think one really needs to have huge amount of knowledge on electronics to run a program on a microcontroller.
I am using Linux. and I've downloaded Keil. never tried to run it through Wine. I've ran it in Windows. But how the code works is not completely clear to me. though I can understand Logic as its written in C. But Its still like a Fog to me.I Just need a Quick Kickstart.
SO is not the best site to ask this kind of question. There's really a large distinction between programming for a PC and programming for an embedded system, other SE sites specialize in physical computing. I got this email from Robert Cartaino on Tuesday:
...Barring any last-minute interest from
[chiphacker.com], we will be launching [electronics.stackexchange.com]
either tomorrow [Wednesday 9/22] or
Thursday.
So, go commit to electronics.stackexchange.com here, and browse chiphacker.com while you wait. Take a look at these questions on Chiphacker:
How to become an embedded software developer?
Steps to learning Arduino Programming
PIC Programming
What are the best beginner project[s] using an arduino
There are a few things you should consider when planning your entry path to embedded systems programming.
What do you want to do?
What do you know how to do?
How fast are you comfortable learning?
I've outlined a few options in the following paragraphs.
You tagged your question linux-device-driver, does this mean that you want to make a custom device to use in Linux? If you meant embedded-linux, then you're into a larger class of microcontrollers. I suggest that you look at the BeagleBoard, also look at this Chiphacker question for some other options. If you want to do embedded linux, and want to build your own board, you'll first need to build up some experience in simpler levels of embedded systems design.
You also tagged your question avr, which is a popular microcontroller class made by Atmel (check out the avrfreaks forum for more info). I started learning embedded systems on the ATmega324p; they really have great documentation, are easy to use, and there are more sites online for the avr than most any other processor.
If you want an easier learning curve, I suggest taking a look at the Arduino environment. It uses Wiring, which is very similar to C/C++, and the Arduino can be enhanced with 'shields', which are modules that can be plugged into the Arduino main board to add functionality. This is your Quick Kickstart.
A good learning path would be to get familiar with the Arduino, then build your own AVR board (possibly a Linux device, like a joystick), then work with an ARM-based development kit, and finally move on to to building your own embedded linux board. You can skip a few steps if you don't mind a steep learning curve, or stop at any point along the way if a given level's capabilities satisfy your needs. You don't necessarily need a "huge amount of knowledge on electronics to run a program on a microcontroller", it's true, but you should understand some basic things like voltage and current before you try to light an LED or connect two devices.
Finally, you said in your question that you've installed the Keil IDE. While this is a fine and rather popular IDE, I'd suggest that you learn using a gcc-based command line toolchain. There are a staggering number of ways in which things that can go wrong when working with embedded systems, and an IDE adds a layer of magic on top of everything that happens. While this can be nice, I'm a strong advocate of minimizing the magic when trying to learn the system. You need to understand the low-level stuff when things don't work automagically. This advice doesn't apply when using the Arduino, which is designed to (and does) make all of the automagical stuff work well.
sparkfun.com has a lot of boards, arduino family and other. I recommend the armmite pro, the lillypad instead of the arduino pro because there is no soldering involved, for either you will need/want the correct usb to serial/power. The mbed2 costs a little more, the blue leds are brutal on the eyes, but easy to use. For none of the above are you required to play in their sandbox, you can use the canned environment, etc but not required.
if it is linux development you are after I recommend the hawkboard.org over the beagleboard.org, to make the beagleboard useable costs about twice as much as the board itself, the hawkboard is usable by only buying something to power it. But you can just learn linux drivers on your desktop/laptop and dont need to mess with embedded necessarily.
Emulators are a good start. Qemu is good stuff, emulates a number of processors, great for emulating virtual linux systems, learning linux driver development, etc. But getting visibility into what the (virtual/emulated) processor is doing is not the goal. I find it useful to have visibility. gdb includes a few emulators as well. mame is loaded with them, but like qemu designed for fast emulation and not for education. visual boy advance is good. Emulation is never perfect, so eventually you want to run on hardware, but emulators and compiler tools are free and you can learn quite a bit before you have to buy hardware. There is a considerable amount you cannot learn from an emulator though, loading your programs into flash/ram, debugging using jtag or other interfaces. i2c, spi, etc.
I have a lot of people that ask me to fix their computers. Usually it is "slow computer" or "my computer has pop-ups," etc. In other words they have viruses and spyware. I thought I could use a remote program to do it, instead of them brining their computer to me or me traveling to their house..
I thought of UltraVNC, though I'm not sure how I would get them to use it. What I would like to have is a program they can download from my website.
What program would you recommend for this? Remote Desktop? VNC? Something else? I'm happy to pay a small fee if necessary to make things as seamless as possible. Word of mouth is valuable and a good referral for an easy to work with computer person (me) is worth that monthly or one time fee.
I have Vista, most will have Vista Home Premium or XP Home. I have Vista Home Premium and Mac OS X. I can use Linux if necessary. I just don't have it installed right now.
Thanks.
EDIT: Is there an alternative to copilot? I like it but I'm afraid to stake everything on one provider.
https://www.copilot.com/
It's made to be simple so even the most novice computer users can figure it out.
Copilot helps you fix someone's computer problems by letting you connect to their computer, see what they see, and control their mouse and keyboard to help fix the issue.
It's nice because they just go to the site and enter the code you give them. The installation is simple from there.
(Modified)
LogMeIn has a free version that works very well. It runs in the user's system tray and you can login and control their computer as long as they have the program running. The free version has a few less features, but they're mostly luxuries instead of necessities.
Team Viewer is a desktop sharing remote control support tool. It is free for non-commercial, personal use.
There are a few different options:
Remote Desktop: Nice interface, integrates with Windows very well (I had no trouble connecting to my Vista desktop from my XP laptop). I think your client would need to have Windows XP pro; XP home does not have the Remote Desktop Server.
RealVNC: Nice interface, the free version is very useful. Encrypted connections are available with the non-free version.
There are others (like Copilot), but I have only used Remote Desktop and RealVNC.
With either of these, you need to make sure port-forwarding is setup if they have a router, and that the firewall whitelists the program.
Windows XP has built-in "Windows Assist" which lets you send an invite to another Windows machine (typically via e-mail) and allows you to remotely control the machine with them watching. This is a nice option because it is already built into Windows (albeit not as well known as RemoteDesktop or LogMeIn).
The advantage over Remote Desktop is that the user can see what you are doing to their machine and control can be passed back and forth.
This link has the steps to do this.