Search found 19 matches
- Fri Feb 07, 2014 3:57 pm
- Forum: Java
- Topic: Database selection
- Replies: 13
- Views: 18168
Re: Database selection
I read already different postings about using databases on the Pi. Mainly sqlite3 is advised in most situations. What I want to achieve is that different sensors send data (of course this can happen simultaneously) to the Pi. I suppose since sqlite3 is a single user db probably its not suited for t...
- Tue Feb 04, 2014 2:03 pm
- Forum: C/C++
- Topic: random blocks of pixels on LCD
- Replies: 2
- Views: 789
Re: random blocks of pixels on LCD
Most likely your program just losing control - like stack overflow, buffer overflow, array index out of bounds etc
- Tue Jan 28, 2014 10:46 am
- Forum: C/C++
- Topic: Raspicam C Code
- Replies: 4
- Views: 1982
Re: Raspicam C Code
Can you show the example of non-working loop code?
- Fri Jan 17, 2014 4:09 pm
- Forum: C/C++
- Topic: is there a real advantage to use C++ over Python?
- Replies: 42
- Views: 14699
Re: is there a real advantage to use C++ over Python?
Very good Python or Java programmer can create code that will be both smaller and faster, than C++ code written by average C++ developer. Proven many times.
- Tue Dec 31, 2013 12:35 pm
- Forum: Bare metal, Assembly language
- Topic: Simple assembler question
- Replies: 13
- Views: 5288
Re: Simple assembler question
Actually, assembler is one of the few languages that do not require any IDE to code effectively. And you can code, compile and run on the Pi itself.
Personally, I did assembly programming for 30+ years and never used any IDE.
So notepad or whatever you feel comfortable with - is your right choice.
Personally, I did assembly programming for 30+ years and never used any IDE.
So notepad or whatever you feel comfortable with - is your right choice.
- Mon Oct 07, 2013 12:49 pm
- Forum: C/C++
- Topic: Playing a tone between 750 and 1000 Hz
- Replies: 8
- Views: 3581
Re: Playing a tone between 750 and 1000 Hz
Mentioning your target OS and frontend might help. Qt/SDL/Allegro/bare metal etc
- Thu Aug 22, 2013 1:27 pm
- Forum: C/C++
- Topic: simplifiing program
- Replies: 2
- Views: 1112
Re: simplifiing program
Hi all, Is possible simplify this match? (nt.nti.nai.abtUid[0] == 0x0000000e && nt.nti.nai.abtUid[1] == 0x00000021 && nt.nti.nai.abtUid[2] == 0x000000d4 && nt.nti.nai.abtUid[3] == 0x000000c6) nt.nti.nai.abtUid have more than 4 numbers and I want simply comparator where anoth...
- Mon Jul 29, 2013 11:24 am
- Forum: Graphics programming
- Topic: Fractals
- Replies: 10
- Views: 6267
Re: Fractals
Is there a way to do fractal graphics using the pi and some linux version? Depends on what do you mean by "fractal graphics". I generated seamless tiled fractal background for my apps really fast with plain J2ME on low end mobile phone. IFS fractals or simple ones like Mandelbrot/Julia ca...
- Tue Jul 16, 2013 2:22 pm
- Forum: Java
- Topic: Oracle JDK 7u40 EA hardfloat available
- Replies: 3
- Views: 7413
Re: Oracle JDK 7u40 EA hardfloat available
swing vs FX, you decidebullen wrote:So is this better in any way than the JDK8 release for serverside stuff, specifically http://rupy.googlecode.com?
- Tue Jun 25, 2013 2:49 pm
- Forum: Java
- Topic: JRE 8 Slow Java Drawing Functions
- Replies: 6
- Views: 3829
Re: JRE 8 Slow Java Drawing Functions
To draw fast you need to use the OpenGL ES , OpenVG or DispmanX 2D API to get the most performance out of the Raspberry Pi by taking advantage of its VideoCore IV GPU, rendering will then be fast using any JRE. These three API work without using X11. There exist many Java bindings and frameworks th...
- Tue May 14, 2013 8:45 pm
- Forum: Other projects
- Topic: $61 HDMI LCD 800x480
- Replies: 6
- Views: 14050
$61 HDMI LCD 800x480
Hi, I've found following display solution for Pi: http://www.ebay.com/itm/180974436891 7 inch 800x480 LCD comes with driver board, which allows to directly connect to HDMI output of your Pi. No additional software drivers required. Just edit /boot/config.txt as mentioned here: http://www.raspberrypi...
- Mon Apr 15, 2013 8:54 am
- Forum: General programming discussion
- Topic: Which Language to Learn?
- Replies: 53
- Views: 17471
Re: Which Language to Learn?
Don't listen to anyone. Start learning pure C (not C++). It will take about 4 hours to learn. All you need is in wikipedia. And next, you decide what to do with your future programming skills. If you want to be able to write 300K code per day and get a decent job with high salary - Java is for you. ...
- Sat Apr 06, 2013 12:30 pm
- Forum: Graphics programming
- Topic: Cross compiling SDL (succesful)
- Replies: 2
- Views: 9025
Cross compiling SDL (succesful)
Here is short tutorial for someone inexperienced like me. I'm not sure whether it is optimal, but it worked. This tutorial is for Linux host PC. 1. Prepare your Linux host. I created directory raspidev in my HOME mkdir raspidev cd raspidev mkdir SDL_cross 2. Get official cross tools for Raspberry Pi...
- Thu Apr 04, 2013 2:24 pm
- Forum: Gaming
- Topic: Another Elite thread
- Replies: 36
- Views: 10293
Re: Another Elite thread
I,m very surprised that no one has mentioned the X-Universe series of games. http://www.egosoft.com/games/x3/screenshots/x3_screen_227_th2.jpg http://www.egosoft.com/games/x3/screenshots/x3_screen_227_th1.jpg Texy X- series are all beautiful games (much, much better than original Elite and any orig...
- Mon Apr 01, 2013 2:13 pm
- Forum: Java
- Topic: Educational Java Program
- Replies: 10
- Views: 3977
Re: Educational Java Program
Any console output?
- Sat Mar 30, 2013 9:07 pm
- Forum: Raspberry Pi OS
- Topic: Kernel sources avaliability
- Replies: 25
- Views: 13359
Re: Kernel sources avaliability
Now click on browse code and find the file extra/git_hash in this you will find a (complete) git commit ID for the raspberrypi/linux repository which you can use to check out the corresponding source code for your kernel from the raspberrypi/linux repository. I have no trouble with the steps previo...
- Sat Mar 30, 2013 7:15 pm
- Forum: Other projects
- Topic: HDMI 7" LCD Display with touch for Raspberry Pi
- Replies: 13
- Views: 10146
Re: HDMI 7" LCD Display with touch for Raspberry Pi
I have designed a 7" HDMI LCD Display for the Raspberry Pi. After a lots of fixes I could make the display work for latest version of Raspbian and updated firmware ... more details of the display 7" 800 x 480 x3(RGB) TFT screen with TI's HDMI decoder and Microchip's USB Touch screen contr...
- Sun Mar 24, 2013 11:00 pm
- Forum: Java
- Topic: Lightwight IDE
- Replies: 10
- Views: 7238
Re: Lightwight IDE
No lightweight java IDEs. Forget it. Raspberry Pi is beautiful platform to run java compiled classes, and believe me, performance is enough for very serious applications. But developing in java on Raspberry Pi is waste of time. No one does this. So get a PC with Windows/Mac/Linux, buy Intellij IDEA ...
- Fri Mar 15, 2013 12:50 pm
- Forum: General discussion
- Topic: Lets port Elite to the Raspberry PI
- Replies: 45
- Views: 10901
Re: Lets port Elite to the Raspberry PI
Well, it is actually D. Braben who bans any elite sources (derived from original BBC sources) found on the net... Good thing he can't ban Ian Bell)))