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• hPalm and a web-centric strategy

  The acquisition battle has come and gone, and it’s HP that’s become Palm’s new owner. In general this news has been greeted withgladcries,despite (or maybe because) it was so unexpected. In general everybody assumes that the marriage of Palm software and HP hardware will be a good one, and that HP will also release a webOS-based tablet device.However, there’s an interesting dissenting opinion on VisionMobile (a blog I highly recommend, by the way). Guest author Michael Valukenko sees few synergies...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• cant boot ubuntu after install (first time)

  - by user1683645

  Trying to install ubuntu for the first time. I use an usb stick. At partition I use one of the hdd's I have and create a partition of 50gb for ubuntu @ /dev/sda and the partitions name is dev/sda1 with type ext4. All is well and the installation is completed without any errors and I get a dialogue asking me to restart but ubuntu does not boot. I only have one device as boot in my bios and I think its the devide with ubuntu on it since I've not partitioned the other discs. When I create the partition I yse primary type and localtion for the new partition is att the beginning of the space. And I use Ext4 file system. Mount point is / What am I doing wrong?

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• It's here, it's here! OJEC 1.1 is here -- Oracle Java ME Embedded Client

  - by hinkmond

  Download it now! OJEC 1.1 has just been released and will run on your Linux/ARM, Linux/x86, or Linux/MIPS device. Get it before supplies run out! (Not really, it's software. How can it run out?) See: Download OJEC 1.1 now! Here's a quote: Oracle offers Java ME Embedded products to meet your specific Java Technology needs. Java ME is targeted for use on devices where a feature-rich Java platform is desirable, despite lacking the resources necessary to run the full Java SE Embedded environment. Try it on your Raspberry Pi! (If you can find where to buy a Raspberry Pi that is. Now that's something that can run out) Hinkmond

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• Windows 8 on my new i7 Macbook Pro

  - by Bob Hardister

  Using bootcamp I installed Windows 8 on my new Macbook Pro 15" (not a retina screen version), which has OS X 10.8.2, 2.6 Ghz Core i7 with 8 GB RAM.  I followed the simple procedure outlined here. The only problem I had was the wireless device driver wasn't provided. I had to find and download it myself. Even so it only provided 5G not 2G protocol support. I downloaded a Broadcom driver.   I was able to enable the Hyper-V features on Windows 8 and look forward to using VMs. So far so good :)

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• Unable to record from USB sound card line-in connector

  - by tete

  I've been googling and struggling with this for a while but haven't been able to make this work. I bought a USB sound card (Encore ENMAB 8-CM) to record from its line-in connector. I'm not sure which input to pick in Audicity, but I'me sure I've tested them all. These are all the available inputs I have in Audacity. But there's no sound being recorded at all. I've already checked the device is working, so I really don't know if I'm doing something wrong. Any help will be very appreciated. Cheers.

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• Internet Connection Problems

  - by Confused One

  I just installed Ubuntu 11.04 onto a laptop. There is no list of automatic connections when I click on the internet connection symbol. Enable Wireless was unchecked, so I checked it. However, it continues saying "wireless is disabled." Soft is blocked, and when I tried rfkill unblock wifi it told me that the device was not ready. I tried to counter this with what I found on this thread but nothing worked. I have tried manually entering my Wireless information, but this does not help. Is there a solution?

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• Using VBA to model data in Autodesk Inventor?

  - by user108478

  I have a close friend who is using a specific device that records the dimensions of an object as it is eroded and outputs the dimensional data to an excel sheet. The object is spherical in nature but is eroded from the top and bottom, so the shape is constantly changing and a single formula for surface area and volume would not work. This is where Inventor comes in. My friend can plug the dimensional data to Inventor and it immediately returns the surface area and volume. The erosion process takes several minutes to complete and records data at very short intervals, so it would be very arduous to plug in the data thousand of time. Since Inventor supports macros and VBA, is there a way to plug the data into Inventor and output it into another spreadsheet? Any suggestions would be appreciated.

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• How do you deal with transitions in animating walking?

  - by Aerovistae

  I'm pretty new to this whole animating models thing. Just learning the ropes. I got a nice walking animation going, which I can loop while a character is walking, but what about when they stop walking? I mean, they could be at any point in the animation at the time the player stops walking. How do I get them to smoothly return to a standing still position without having them snap into that position? The same goes for starting walking from a standing still position. Do you need a separate animation? How is this dealt with?

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• GateIn + OpenAM 9.5.2

  - by user6596

  I'm actually trying GateIn for my firm and I don't manage to integrate OpenAM and GateIn. I follow all the steps in the GateInReference Guide but I've a problem. The scenarii of the problem is : Go to localhost:8080/portal Click sur Administrator I'm redirected to : openam.vauban.com:2080/openam_s952/UI/Login?realm=gatein&goto=http://localhost:8080/portal/private/classic I filled in the form with root / gtn I'm redirected to localhost:8080/portal/private/classic and the page is blank and the main fact is : The system seems to redirect me to this page infinitely.. Does Someone know an issue for this infinite loop? For information, I configured my OpenAM : Yo encode the cookies, use c66encode.

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• Ubuntu 14.04 not booting before Windows 8.1

  - by user280244

  I try too boot my computer into Ubuntu, but I end up having to manually select Ubuntu from the devices menu, even though it was supposed to boot first. Instead Windows 8 boots up like Ubuntu isn't even there! And GRUB works just fine when Ubuntu is selected in the boot device menu. (How else am I on?) I tried using EasyBCD but kept getting errors from the windows boot manager. And just in case it helps, during installation of Ubuntu it didn't recognize windows 8, and I had to resize and install manually. Anything I can do? Notes: EVERYONE!!! GRUB WORKS PERFECTLY!!! IT IS AN ERROR IN THE HP BOOT MENU AS I HAVE PREVIOUSLY SAID!!! PLEASE DO NOT GIVE ME ANSWERS FOR GRUB EDITS IN THE FUTURE!!! Here are my specs: PC type: HP 2000-2d49WM Notebook PC RAM: 4GB Swap: 2GB Processor: AMD E-300 Vision 1.3 GHz x2 BIOS Edition: N\A Until further notice

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• arrays format (Javascript)

  - by João Melo

  i have a list of users, with minions, something like this: User52: minion10 minion12 User32: minion13 minion11 i've been keeping in an array where the "location" is the id, like this: Users: [52]User minions: [10]minion [12]minion [32]User minions: [13]minion [11]minion so i can access them easily like this: user[UserID].minions[MinionID] (ex: user[32].minions[11]) but when i print it or send it by json i get something like this: {,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,minion,,,,,,,,,,,,,,minion} but should i keep using like this or should i change to something like this: User = function(){ this.minions = ...; this.getMinion = function(value){ for(var m in this.minions){ if(this.minions[m].id == value){ return this.minions[m]; break; } } } } and get it like this: user.getMinion(MinionID); Question: i get better performance using a "short" array but using loops every time i need a minion, or using "long" arrays, but no need for loop and getting values directly from the id "name"?

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• forward rendering and multiple shadow maps

  - by Irbis

  I have two light sources on my scene. I created two fbo's which store depth textures for these lights. A render loop looks like this: bind fbo1 save depth values for first light unbind fbo1 bind fbo2 save depth values for second light unbind fbo2 enable additive blending bind first depth texture render scene bind second depth texture render scene disable additive blending For one light source the program works fine. For many light sources I use an additive blending to acumulate lighting results but then some objects become transparent (for example when an object which is further away from the camera is drawn before an object which is closer to the camera). How to resolve that problem ? How should I accumulate lighting effects for many light sources (many shadow maps) ? P.S. I use OpenGL/GLSL 3.3+

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• Ubuntu not mounted?

  - by z3matt

  In Live CD i went in the terminal and when i do 'sudo update-grub' it responds /usr/sbin/grub-probe: error: cannot find a device for / (is /dev mounted?). Here's the breakdown of my drive: sda1 - vfat - Windows 7: FAT32 sda2 - sda3 - nfs - Windows Vista/7: NTFS - Windows 7 sda3/Wubi: - sda4 - Grub2 sda5 - Ubuntu 12.04.1 LTS sda6 - sda7 - sda8 - BIOS Boot Partition Also at the top of the page it states : = No boot loader is installed in the MBR of /dev/sda Any and all help is appreciated and welcomed. When my computer boots, it goes into GRUB and has the options for Windows 7 and Windows Memory Test but no option for Ubuntu. I want to run a dual-boot through it.

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• Is it possible to update my graphic card drivers?

  - by madmaxpt

  This is what the lspci -v command shows in the VGA compatible controller section: 00:02.0 VGA compatible controller: Intel Corporation Atom Processor D4xx/D5xx/N4xx/N5xx Integrated Graphics Controller (prog-if 00 [VGA controller]) Subsystem: Dell Device 048e Flags: bus master, fast devsel, latency 0, IRQ 44 Memory at f0200000 (32-bit, non-prefetchable) [size=512K] I/O ports at 18d0 [size=8] Memory at d0000000 (32-bit, prefetchable) [size=256M] Memory at f0000000 (32-bit, non-prefetchable) [size=1M] Expansion ROM at <unassigned> [disabled] Capabilities: <access denied> Kernel driver in use: i915 Kernel modules: i915 i915 is only compatible with OpenGL 1.4 and cannot use shaders and I'd like to use some Open GL 2.0 functionalities. Is it possible to update the drivers or is my hardware limited to OpenGL 1.4 ?

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• WiFi USB adapter showing the Network ..... but no connection in effect

  - by Idrees

  I have Pentium 4 system 3 GHz, 1 GB RAM ..... (no built-in WiFi) I installed Ubuntu 12.10 on my PC, works fine. It picked all the drivers for audio, video itself. I plugged TP-Link 54Mbps High Gain Wireless USB Adapter (TL-WN422G) ..... (link for the device: http://www.tp-link.com/en/products/details/?model=TL-WN422G) Now what happens is that the WiFi network is detected and shown in the "Network Connections", and it is also connected to it but when I open Firefox it is as if there no internet connection at all.

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• I`ve got some problems with new Acer Aspire S3

  - by xcariba

  I just got a new Acer Aspire S3 Laptop, and I've installed Ubuntu on it. Here is some problems: 1. Bluetooth (AR3012) can't find any devices. rfkill shows that everything is fine, but I still can't connect to any device. (Maybe it was turned off in stock windows?) 2. Can't change screen brightness (I've tried Timex's solution with new 3.2-rc kernel and some grub options, touchpad works fine,but I still can`t use Fn+Right/Left) 3. 720p video in all players(VLC, mplayer and totem) works wrong. I found some similar problems on intel video chips with vblank sync or something like that. Video plays as it should, but i always see a line which appears on action scenes (looks like some parts of a screen updates faster) Maybe there are some solutions from similar laptops that I can find? PS I've tried ubuntu 11.04 with old kernel and linux mint 12-rc with 3.2-rc2 kernel.

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• Distorted text in programs

  - by Teneff

  I've installed Ubuntu 11 with gnome and in some point the text in the programs becomes unreadable like this. It's not only the text, but even the desktop background looks awful. I've tried to add section in xorg.conf, but it didn't helped out. Section "Device" Identifier "g33/X3000" Driver "intel" BusID "PCI:0:2:0" Option "ModeDebug" "on" Option "MonitorLayout" "LCD,VGA" Option "DevicePresence" "true" EndSection And this is what the lshw returns about the VGA *-display description: VGA compatible controller product: 82945G/GZ Integrated Graphics Controller vendor: Intel Corporation physical id: 2 bus info: pci@0000:00:02.0 version: 02 width: 32 bits clock: 33MHz capabilities: msi pm vga_controller bus_master cap_list rom configuration: driver=i915 latency=0 resources: irq:16 memory:dfe00000-dfe7ffff ioport:8800(size=8) memory:e0000000-efffffff memory:dfe80000-d$

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• Interface design where functions need to be called in a specific sequence

  - by Vorac

  The task is to configure a piece of hardware within the device, according to some input specification. This should be achieved as follows: 1) Collect the configuration information. This can happen at different times and places. For example, module A and module B can both request (at different times) some resources from my module. Those 'resources' are actually what the configuration is. 2) After it is clear that no more requests are going to be realized, a startup command, giving a summary of the requested resources, needs to be sent to the hardware. 3) Only after that, can (and must) detailed configuration of said resources be done. 4) Also, only after 2), can (and must) routing of selected resources to the declared callers be done. A common cause for bugs, even for me, who wrote the thing, is mistaking this order. What naming conventions, designs or mechanisms can I employ to make the interface usable by someone who sees the code for the first time?

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• Start script when connecting phone through usb

  - by choel

  Trying to run a script when my phone is plugged in via USB, a made a udev rule looks like this in /etc/udev/rules.d/85-lazydroid.rule ATTRS{idVendor}=="22b8", ATTRS{idProduct}=="428c", RUN+="/home/joel/.lazydroid" And the script .lazydroid looks like this: #!/bin/bash exec adb forward tcp:8080 tcp:8080 & exec chromium-browser 127.0.0.1:8080 --new-window & The script itself runs fine. The trick is I can't get the script to run up on insertion of the phone. And it's the right ID according to: lsusb | grep Motorola Bus 002 Device 042: ID 22b8:428c Motorola PCS Any ideas?

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• How do I sync music to my Sony Walkman (Z Series) using Rhythmbox?

  - by Mark Paskal

  I have recently purchased the new Walkman Z from Sony. I can transfer music by mounting it as a drive, but I would prefer to use Rhythmbox to do so. My other Android devices and MP3 players from the past have always just shown up without any tweaking. Using Nautilus to transfer the files is possible but for some reason Nautilus still makes a trash folder on removable drives. Deleting the trash folder anew is really annoying to do every time I delete music from the device. How can I use Rhythmbox to transfer and remove songs instead?

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• Computer won't wake from hibernate

  - by Icoo

  So I have a pretty dumb problem...I accidentaly pressed Hibernate while trying to Restart...since then my computer wont boot into Ubuntu anymore (through normal mode or single user mode - rescue mode that is)...all I get is: mount: mounting /dev on /root/dev failed: No such file or directory mount: mounting /sys/ on root/sys failed: No such file or directory mount: mounting /proc on /root/proc failed: No such file or dirctory Target filesystem doesn't have requested /sbin/init. No init found. Try passing init= boot arg. BusyBox v1.15.3 (Ubuntu 1:1.15.3-1ubuntu5) built-in shell (ash) Enter 'help' for a list of built-in commands. (initramfs) Obviously I tried to fire up the Live CD and run fsck (or e2fsck) from there (or just try to do a Check of /dev/sdb1 my partition via gparted - which is basically the same thing). But it doesn't allow me...both gparted and fsck say that the device is busy (I can't even mount it in the LiveCD to rescue data)...umount /dev/sdb1 says its not mounted...any ideas?

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• ACPI Events not triggered after booting

  - by user3208188

  I purchased a Convertible (Laptop and Tablet, Ubuntu 14.04 installed) and would like to execute a script when changing from laptop to tablet mode and the other way around. So I created two new files within the /etc/acpi/events folder corresponding to two new scripts in the /etc/acpi folder. Everything works well if I create a new acpid process (e.g "sudo acpid -c /etc/acpi/events -s /var/run/acpid.socket") manually. However, if I do not initiate this process manually the scripts are not executed, even though there is a process running with the same options right after the machine has booted by default. The only difference I can find is the parent pid. If I create the process the parent is "init --user", while the parent of the automatically initiated process is "/sbin/init". Can anyone help me by explaining why this issue happens and how I can avoid to start an acpid process manually every time I boot the device?

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• Enemies don't shoot. What is wrong? [closed]

  - by Bryan

  I want that every enemy shoots independently bullets. If an enemy’s bullet left the screen, the enemy can shoot a new bullet. Not earlier. But for the moment, the enemies don't shoot. Not a single bullet. I guess their is something wrong with my Enemy class, but I can't find a bug and I get no error message. What is wrong? public class Map { Texture2D myEnemy, myBullet ; Player Player; List<Enemy> enemieslist = new List<Enemy>(); List<Bullet> bulletslist = new List<Bullet>(); float fNextEnemy = 0.0f; float fEnemyFreq = 3.0f; int fMaxEnemy = 3 ; Vector2 Startposition = new Vector2(200, 200); GraphicsDeviceManager graphicsDevice; public Map(GraphicsDeviceManager device) { graphicsDevice = device; } public void Load(ContentManager content) { myEnemy = content.Load<Texture2D>("enemy"); myBullet = content.Load<Texture2D>("bullet"); Player = new Player(graphicsDevice); Player.Load(content); } public void Update(GameTime gameTime) { Player.Update(gameTime); float delta = (float)gameTime.ElapsedGameTime.TotalSeconds; for(int i = enemieslist.Count - 1; i >= 0; i--) { // Update Enemy Enemy enemy = enemieslist[i]; enemy.Update(gameTime, this.graphicsDevice, Player.playershape.Position, delta); // Try to remove an enemy if (enemy.Remove == true) { enemieslist.Remove(enemy); enemy.Remove = false; } } this.fNextEnemy += delta; //New enemy if (fMaxEnemy > 0) { if ((this.fNextEnemy >= fEnemyFreq) && (enemieslist.Count < 3)) { Vector2 enemyDirection = Vector2.Normalize(Player.playershape.Position - Startposition) * 100f; enemieslist.Add(new Enemy(Startposition, enemyDirection, Player.playershape.Position)); fMaxEnemy -= 1; fNextEnemy -= fEnemyFreq; } } } public void Draw(SpriteBatch batch) { Player.Draw(batch); foreach (Enemy enemies in enemieslist) { enemies.Draw(batch, myEnemy); } foreach (Bullet bullets in bulletslist) { bullets.Draw(batch, myBullet); } } } public class Enemy { List<Bullet> bulletslist = new List<Bullet>(); private float nextShot = 0; private float shotFrequency = 2.0f; Vector2 vPos; Vector2 vMove; Vector2 vPlayer; public bool Remove; public bool Shot; public Enemy(Vector2 Pos, Vector2 Move, Vector2 Player) { this.vPos = Pos; this.vMove = Move; this.vPlayer = Player; this.Remove = false; this.Shot = false; } public void Update(GameTime gameTime, GraphicsDeviceManager graphics, Vector2 PlayerPos, float delta) { nextShot += delta; for (int i = bulletslist.Count - 1; i >= 0; i--) { // Update Bullet Bullet bullets = bulletslist[i]; bullets.Update(gameTime, graphics, delta); // Try to remove a bullet... Collision, hit, or outside screen. if (bullets.Remove == true) { bulletslist.Remove(bullets); bullets.Remove = false; } } if (nextShot >= shotFrequency) { this.Shot = true; nextShot -= shotFrequency; } // Does the enemy shot? if ((Shot == true) && (bulletslist.Count < 1)) // New bullet { Vector2 bulletDirection = Vector2.Normalize(PlayerPos - this.vPos) * 200f; bulletslist.Add(new Bullet(this.vPos, bulletDirection, PlayerPos)); Shot = false; } if (!Remove) { this.vMove = Vector2.Normalize(PlayerPos - this.vPos) * 100f; this.vPos += this.vMove * delta; if (this.vPos.X > graphics.PreferredBackBufferWidth + 1) { this.Remove = true; } else if (this.vPos.X < -20) { this.Remove = true; } if (this.vPos.Y > graphics.PreferredBackBufferHeight + 1) { this.Remove = true; } else if (this.vPos.Y < -20) { this.Remove = true; } } } public void Draw(SpriteBatch batch, Texture2D myTexture) { if (!Remove) { batch.Draw(myTexture, this.vPos, Color.White); } } } public class Bullet { Vector2 vPos; Vector2 vMove; Vector2 vPlayer; public bool Remove; public Bullet(Vector2 Pos, Vector2 Move, Vector2 Player) { this.Remove = false; this.vPos = Pos; this.vMove = Move; this.vPlayer = Player; } public void Update(GameTime gameTime, GraphicsDeviceManager graphics, float delta) { if (!Remove) { this.vPos += this.vMove * delta; if (this.vPos.X > graphics.PreferredBackBufferWidth +1) { this.Remove = true; } else if (this.vPos.X < -20) { this.Remove = true; } if (this.vPos.Y > graphics.PreferredBackBufferHeight +1) { this.Remove = true; } else if (this.vPos.Y < -20) { this.Remove = true; } } } public void Draw(SpriteBatch spriteBatch, Texture2D myTexture) { if (!Remove) { spriteBatch.Draw(myTexture, this.vPos, Color.White); } } }

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• As a Qt GUI programmer, how to improve (career & skill)?

  - by linjunhalida

  hello, I'm a python & Qt programmer, and my daily job is create small PC GUI programs ship with hardware devices. the problem is, My job is simple, read/write data to device by using serial port(pyserial), display and edit data(PyQt + PyQwt), that's all. although I'm a linux user, my program is running under windows XP, but thanks to PyQt, I can still develop under linux. And I'm always afraid of being replaced by the people cheaper and younger than me in the future. (I'm 26 now.. not too much time for playing..) So I need improve myself, and make me more competitive in the global market, and I like programming, and want coding till the end of my life. any roadmap suggestion?

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• Can't install Ubuntu using Wubi on a Windows dynamic disk [closed]

  - by Tharindu

  Possible Duplicate: I can't able to install ubuntu alongside with Win7 ..: When I try to install ubuntu 12.04 - 64 bit alongside win 7 prof. 64 bit it generated the following error. How could I proceed without having this? I - An error occurred: Error executing command command= C:\Windows\sysnative\bcdedt.exe /set {1 bO4672f-5969-11)-a75c-d3d3Od877b8O} device partition= F: retval=1 stderr=An error has occurred setting the element data. The request is not supported. stdout For more information, please see the log file c\users\dell\appdata\local\temp\wubi-12.04

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