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• Accessing a broken mdadm raid

  - by CarstenCarsten

  Hi! I used a western digital mybookworld (SOHO NAS storage using Linux) as backup for my Linux box. Suddenly, the mybookworld does not boot up any more. So I opened the box, removed the hard disk and put the hard disk into an external USB HDD case, and connected it to my Linux box. [ 530.640301] usb 2-1: new high speed USB device using ehci_hcd and address 3 [ 530.797630] scsi7 : usb-storage 2-1:1.0 [ 531.794844] scsi 7:0:0:0: Direct-Access WDC WD75 00AAKS-00RBA0 PQ: 0 ANSI: 2 [ 531.796490] sd 7:0:0:0: Attached scsi generic sg3 type 0 [ 531.797966] sd 7:0:0:0: [sdc] 1465149168 512-byte logical blocks: (750 GB/698 GiB) [ 531.800317] sd 7:0:0:0: [sdc] Write Protect is off [ 531.800327] sd 7:0:0:0: [sdc] Mode Sense: 38 00 00 00 [ 531.800333] sd 7:0:0:0: [sdc] Assuming drive cache: write through [ 531.803821] sd 7:0:0:0: [sdc] Assuming drive cache: write through [ 531.803836] sdc: sdc1 sdc2 sdc3 sdc4 [ 531.815831] sd 7:0:0:0: [sdc] Assuming drive cache: write through [ 531.815842] sd 7:0:0:0: [sdc] Attached SCSI disk The dmesg output looks normal, but I was wondering why the hardisk was not mounted at all. And why there are 4 different partitions on it. fdisk showed the following: root@ubuntu:/home/ubuntu# fdisk /dev/sdc WARNING: DOS-compatible mode is deprecated. It's strongly recommended to switch off the mode (command 'c') and change display units to sectors (command 'u'). Command (m for help): p Disk /dev/sdc: 750.2 GB, 750156374016 bytes 255 heads, 63 sectors/track, 91201 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00007c00 Device Boot Start End Blocks Id System /dev/sdc1 4 369 2939895 fd Linux raid autodetect /dev/sdc2 370 382 104422+ fd Linux raid autodetect /dev/sdc3 383 505 987997+ fd Linux raid autodetect /dev/sdc4 506 91201 728515620 fd Linux raid autodetect Oh no! Everything seems to be created as a mdadm software raid. Calling mdadm --examine with the different partitions seems to affirm that. I think the only partition I am interested in, is /dev/sdc4 (because it is the largest). But nevertheless I called mdadm --examine with every partition. root@ubuntu:/home/ubuntu# mdadm --examine /dev/sdc1 /dev/sdc1: Magic : a92b4efc Version : 00.90.00 UUID : 5626a2d8:070ad992:ef1c8d24:cd8e13e4 Creation Time : Wed Feb 20 00:57:49 2002 Raid Level : raid1 Used Dev Size : 2939776 (2.80 GiB 3.01 GB) Array Size : 2939776 (2.80 GiB 3.01 GB) Raid Devices : 2 Total Devices : 1 Preferred Minor : 1 Update Time : Sun Nov 21 11:05:27 2010 State : clean Active Devices : 1 Working Devices : 1 Failed Devices : 1 Spare Devices : 0 Checksum : 4c90bc55 - correct Events : 16682 Number Major Minor RaidDevice State this 0 8 1 0 active sync /dev/sda1 0 0 8 1 0 active sync /dev/sda1 1 1 0 0 1 faulty removed root@ubuntu:/home/ubuntu# mdadm --examine /dev/sdc2 /dev/sdc2: Magic : a92b4efc Version : 00.90.00 UUID : 9734b3ee:2d5af206:05fe3413:585f7f26 Creation Time : Wed Feb 20 00:57:54 2002 Raid Level : raid1 Used Dev Size : 104320 (101.89 MiB 106.82 MB) Array Size : 104320 (101.89 MiB 106.82 MB) Raid Devices : 2 Total Devices : 1 Preferred Minor : 2 Update Time : Wed Oct 27 20:19:08 2010 State : clean Active Devices : 1 Working Devices : 1 Failed Devices : 1 Spare Devices : 0 Checksum : 55560b40 - correct Events : 9884 Number Major Minor RaidDevice State this 0 8 2 0 active sync /dev/sda2 0 0 8 2 0 active sync /dev/sda2 1 1 0 0 1 faulty removed root@ubuntu:/home/ubuntu# mdadm --examine /dev/sdc3 /dev/sdc3: Magic : a92b4efc Version : 00.90.00 UUID : 08f30b4f:91cca15d:2332bfef:48e67824 Creation Time : Wed Feb 20 00:57:54 2002 Raid Level : raid1 Used Dev Size : 987904 (964.91 MiB 1011.61 MB) Array Size : 987904 (964.91 MiB 1011.61 MB) Raid Devices : 2 Total Devices : 1 Preferred Minor : 3 Update Time : Sun Nov 21 11:05:27 2010 State : clean Active Devices : 1 Working Devices : 1 Failed Devices : 1 Spare Devices : 0 Checksum : 39717874 - correct Events : 73678 Number Major Minor RaidDevice State this 0 8 3 0 active sync 0 0 8 3 0 active sync 1 1 0 0 1 faulty removed root@ubuntu:/home/ubuntu# mdadm --examine /dev/sdc4 /dev/sdc4: Magic : a92b4efc Version : 00.90.00 UUID : febb75ca:e9d1ce18:f14cc006:f759419a Creation Time : Wed Feb 20 00:57:55 2002 Raid Level : raid1 Used Dev Size : 728515520 (694.77 GiB 746.00 GB) Array Size : 728515520 (694.77 GiB 746.00 GB) Raid Devices : 2 Total Devices : 1 Preferred Minor : 4 Update Time : Sun Nov 21 11:05:27 2010 State : clean Active Devices : 1 Working Devices : 1 Failed Devices : 1 Spare Devices : 0 Checksum : 2f36a392 - correct Events : 519320 Number Major Minor RaidDevice State this 0 8 4 0 active sync 0 0 8 4 0 active sync 1 1 0 0 1 faulty removed If I read the output correctly everything was removed, because it was faulty. Is there ANY way to see the contents of the largest partition? Or seeing somehow which files are broken? I see that everything is raid1 which is only mirroring, so this should be a normal partition. I am anxious to do anything with mdadm, in fear that I destroy the data on the hard disk. I would be very thankful for any help.

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• Ok to use table for calculator? [closed]

  - by max

  I'm a php/mysql guy, and have been trying to brush up on my frontend skills. So this weekend I made a four function calculator in javascript. But when I started to work on the presentation, I found myself adding extraneous markup just to achieve what a table tag naturally does. Just so we're on the same page, this is the intended layout: 789+ 456- 123x c0=/ It it possible to generate this grid using neither a table, nor extraneous markup? Thank you.

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• Alternative to OpenBiblio

  - by Jose

  Is there any good open source alternative to OpenBiblio that can be ran on hosting package I have from undisclosed hosting company that does not give out root access to the server. I have seen that Koha and Evergreen needs root access and does not meet compatibility standard on my hosting package. Is there any good open source ones that can be ran with PHP and MySQL and community maintained and updated?

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• Computer won't stay powered up

  - by Android

  I have just tried to turn my PC on this morning and it won't stay powered up. It will come on as normal for about 5 seconds, not quite long enough for the monitor to wake up. Then it will power off. After about 2 seconds it will start again, it will continue like this until I pull out the plug. Plugging it in again doesn't restart the cycle although pressing the power button does. I have tried to clear the cmos but beyond that I have no ideas. It was working perfectly when I put it in hibernate last night. NOTE: I am using a Dell Optiplex 755 UPDATE 1: I took out the motherboard battery and it almost came on then it displays the message Error loading Operating System UPDATE 2: After taking out the custom video card, it says "No hard drive present"

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• Not able to install LTT tool in 10.04

  - by Ashoka

  I have tried the below commands to install LTT on VMware running Ubuntu 10.04, but got the following error. Please help. From link : https://launchpad.net/~lttng/+archive/ppa $ sudo apt-add-repository ppa:lttng/ppa $ sudo apt-get update $ sudo apt-get install lttng-tools lttng-modules-dkms babeltrace user@usr:~$ sudo apt-add-repository ppa:lttng/ppa Executing: gpg --ignore-time-conflict --no-options --no-default-keyring --secret-keyring /etc/apt/secring.gpg --trustdb-name /etc/apt/trustdb.gpg --keyring /etc/apt/trusted.gpg --primary-keyring /etc/apt/trusted.gpg --keyserver keyserver.ubuntu.com --recv C541B13BD43FA44A287E4161F4A7DFFC33739778 gpg: requesting key 33739778 from hkp server keyserver.ubuntu.com gpg: unable to execute program `/usr/local/libexec/gnupg/gpgkeys_curl': No such file or directory gpg: no handler for keyserver scheme `hkp' gpg: keyserver receive failed: keyserver error user@usr:~$ user@usr:~$ sudo apt-get update ..... $ user@usr:~$ sudo apt-get install lttng-tools lttng-modules-dkms babeltrace Reading package lists... Done Building dependency tree Reading state information... Done E: Couldn't find package lttng-tools user@usr:~$ My systemm details: user@usr:~$ cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=10.04 DISTRIB_CODENAME=lucid DISTRIB_DESCRIPTION="Ubuntu 10.04.4 LTS" user@usr:~$ user@usr:~$ user@usr:~$ uname -a Linux usr 2.6.32-42-generic #95-Ubuntu SMP Wed Jul 25 15:57:54 UTC 2012 i686 GNU/Linux user@usr:~$ Regards, Ashoka

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• Problems with Finder background images produced in Mac OS X 10.6?

  - by Joe

  Morning all. I'm creating DMG installers with background pictures. My build machine is 10.6. I'm having problems getting them working consistently: If I create one on 10.4 it works fine in 10.5, 10.5 and 10.6, If I create one for 10.5 it works fine in 10.4, 10.5 and 10.6, But if I create one in 10.6, the background picture shows in 10.6 but does not show in 10.4 or 10.5. I think I recall having seen similar reports in one or two places but there's not much information on the web. Has anyone here come across this problem? Is it recognised? Fixable? Unfortunately I have no option of running 10.5 on my build machine... Thanks! Update: This is a confirmed known bug in 10.6 . I will update this if there is any extra news.

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• Lubuntu 13.04, kernel still 3.8.0-32-generic

  - by Blue Ice

  My question is very similar to Ubuntu 13.10, kernel still 3.8.0-31-generic. Recently was updating to Saucy and the ethernet cable got unplugged. So I decided to run Software Update again, to reinstall files. It returned that "everything is up to date". But according to these command-line searches, that is incorrect. How can I install Saucy now safely from the command line? sudo apt-get install lubuntu-desktop Reading package lists... Done Building dependency tree Reading state information... Done lubuntu-desktop is already the newest version. The following package was automatically installed and is no longer required: linux-image-extra-3.8.0-19-generic Use 'apt-get autoremove' to remove it. 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. sudo apt-get dist-upgrade Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. sudo apt-get update Get:1 http://extras.ubuntu.com raring Release.gpg [72 B] Hit http://extras.ubuntu.com raring Release Get:2 http://az-1.hpcloud.mirror.websitedevops.com raring Release.gpg Hit http://extras.ubuntu.com raring/main Sources Hit http://extras.ubuntu.com raring/main i386 Packages Get:3 http://az-1.hpcloud.mirror.websitedevops.com raring-updates Release.gpg Get:4 http://az-1.hpcloud.mirror.websitedevops.com raring-backports Release.gpg Get:5 http://az-1.hpcloud.mirror.websitedevops.com raring-security Release.gpg Get:6 http://az-1.hpcloud.mirror.websitedevops.com raring Release Ign http://extras.ubuntu.com raring/main Translation-en_US Ign http://extras.ubuntu.com raring/main Translation-en Hit http://ppa.launchpad.net raring Release.gpg Ign http://az-1.hpcloud.mirror.websitedevops.com raring Release E: GPG error: http://az-1.hpcloud.mirror.websitedevops.com raring Release: The following signatures were invalid: NODATA 1 NODATA 2 lsb_release -rd Description: Ubuntu 13.04 Release: 13.04 uname -r 3.8.0-32-generic

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• Arcemu Wow 3.3.5 sql error [on hold]

  - by user3691628

  I'm trying to set up a private arcemu 3.3.5 wow server to play with my 3 friends, but after I did all things great, I get this annoying error: [05-30-2014][15:14][Arcemu][2014-05-30 15:14:16] [05-30-2014][15:14][Arcemu]ArcEmu 4.0-TRUNK a816536/Debug-Win32-X86 :: World Server [05-30-2014][15:14][Arcemu]Sql query failed due to [Table 'logon.world_db_version' doesn't exist], Query: [SELECT LastUpdate FROM world_db_version;] [05-30-2014][15:14][Arcemu]Database: World database is missing the table `world_db_version` OR the table doesn't contain any rows. Can't validate database version. Exiting. [05-30-2014][15:14][Arcemu]Database: You may need to update your database Please help me guys, I really worked 4 hours to make this server good and now this error make me desperate... I tried to run the lattest update for world_db_version. Ask me if you need something else.

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• Setup Web Authentication on Your Website

  There have been many occasions in which I have had to setup Web Authentication for websites or particular web pages. In this article, I will tell you how I set up web authentication using PHP and MySQL and where the real power lies in this technology.

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• The absolutely cheapest way to host my tiny website? [duplicate]

  - by EnJayz

  This question already has an answer here: How to find web hosting that meets my requirements? 5 answers What I need: a domain name, 10MB of disk space, 1GB bandwidth, php+mysql is there anyway I can get this all for under $1 a month?

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• Internet Pings but Does Not Load

  - by t3techcom18

  From what I've been seeing and been doing my research for the past two days, many people have been having the same issues throughout the years, however, this is the first time I've encountered this issue and many of the specific workarounds or fixes have not worked for me. I've been trying to work through this for 24 hours straight now, but to no avail so many thanks to those that can help. On Monday night, got home from work; surfing the internet for half an hour, everything was fine as always. Just after half an hour, my Internet got very sluggish and then it died completely. I thought it might have been the an update I just put through in terms of Windows Update that said was a critical update for MSE, as the same thing happened a few years ago. I did a System Restore to two different dates that were in the past two weeks, nothing. Uninstalled MSE and disabled Windows Defender and the Windows Firewall: Nothing. Reset IE Options, Reset Winsock, Dumping DNS, many of the other command prompt screens to reset items: Nothing. Reset the modem: Nothing. What DID work, however, was a ping test to Yahoo. The ping test worked, saying all four packets was recieved, yet nothing else popped up. LAN and CenturyLink said everything worked on their end and that everything was connected properly, as well as the speeds working fine. CenturyLink said in their notes that they thought Port 80 was blocked. I went and put in the Firewall to allow Port 80 but it didn't make any difference whatsoever. I remembered I had a spare modem laying around and I switched them up, both modem and the cords - nothing. I then hooked it up to my netbook to see if that would work, as it usually does - connection didn't work there either. Like I said, it's been about 24 hours now and this is increasingly frustrating, as I've tried all solutions (While browsing through 10 search results pages on my phone) suggested and still nothing. Any suggestions and tricks would be greatly appreciated! Here's my specs: Windows 7 32-bit Home Premium Intel Core 2 Duo 3.14 Ghz 4 GB Kingston DDR2 RAM eVGA nForce 750i SLI eVGA GeForce GTX 560 Ti FPB ISP: CenturyLink No router Modem: CenturyLink 660 Series Hardwired connection PLEASE NOTE: This is the only computer I have (Like I said, the netbook solution didn't work), so downloading programs and such is not an option til I get to other computers somewhere else, like right now. Unless someone knows of a way of copying/pasting a file in Windows and then transferring said info to an Android smartphone, this is gunna take a while haha. Patience is requested.

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• Can i add friction in air?

  - by Diken

  I have issue regarding speed in air. When i jump and move simultaneously that time speed of player increase.For jump i am using impuls and for movement i am using force.I want to slow speed when player is in air. Thanks in advance Following is my update method ih HUDLayer -(void)update:(ccTime)dt :(b2Body *)ballBody :(CCSprite *)player1 :(b2World *)world { if (moveRight.active==YES) { ballBody->SetActive(true); b2Vec2 locationworld=b2Vec2(maxSpeed,0); double mass=ballBody->GetMass(); ballBody->ApplyForce(mass*locationworld, ballBody->GetWorldCenter()); // ballBody->SetLinearDamping(1.2f); } else if(moveLeft.active==YES) { ballBody->SetActive(true); b2Vec2 locationworld=b2Vec2(-10,0); double mass=ballBody->GetMass(); ballBody->ApplyForce(mass*locationworld, ballBody->GetWorldCenter()); // ballBody->SetLinearDamping(1.2f); } } Following is jump -(void)jump:(b2Body*)ballBody:(ccTime)dt:(BOOL)touch { if (touch) { if (jumpSprte.active==YES) { ballBody->SetActive(true); b2Vec2 locationWorld; //locationWorld=b2Vec2(0.0f,98.0f); locationWorld=b2Vec2(0,32); // double mass=ballBody->GetMass(); ballBody->ApplyLinearImpulse(locationWorld, ballBody->GetWorldCenter()); // ballBody->ApplyForce(mass*locationWorld, ballBody->GetWorldCenter()); ballBody->SetLinearDamping(1.2f); } } } So where i apply logic??

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• wamp installed can't find localhost

  - by Tac

  I installed a WAMP package on a Windows 7 machine and everything ( Apache, php, mySql, phpMyAdmin) appear to have installed correctly. However when I try to access localhost or phpMyAdmin via the browser, I get "Server Not Found". I've tried using localhost, 127.0.0.1 in the browser. I've checked the httpd file it says "Listen 80". C:\Windows\System32\drivers\etc\hosts says "127.0.0.1 localhost" Apache log file doen't show any errors. Suggestions appreciated.

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• How to use filegroups for DB split?

  - by Robin Jain

  In my project I have one DB used for everything. I want it to break into two databases. Static tables having look up values are to be stored in one DB and another DB would be having tables with dynamic data. My problem is that how would I use foreign key constraint in between those two DBs. Can someone help me out and suggest a way to proceed, better if I'm provided an example for the same. I thought of using synonyms for tables and then constraints on synonyms. but later I came to know that synonyms couldn't be used for constraints. I need to maintain relationships among the tables from both DB as the issue is with update, with a new release I just want to update look up tables and for the same I want to split my DB. I want to know how FileGroups could be used for this.

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• Object array updates one instance repeatedly [on hold]

  - by MGN001

  I'm making a 2D shooter, and the player object holds an array of bullets that represent how many shots the player can have on screen at once. At least, this is what I'm trying for. What's happening is that each time any of the objects in the array is called, it seems to update a single object in memory. So, if I fire and then fire again, the object "starts over" from where I shot from and moves twice as fast. I've spent weeks trying to fix this and I've managed nothing. Hopefully another pair of eyes will see something I've missed. Player.cpp #include "Player.h" const int startLives = 3; const int maxHealth = 2; const float speed = 1; const int maxVelocity = 500; const int topBound = WINDOW_HEIGHT / 5 * 3; const int slowRate = 500; const int accRate = 1000; const int maxBullets = 5; const float spriteWidth = 99; const float spriteHeight = 75; const Vector2f startPosition = { (WINDOW_WIDTH / 2) - (spriteWidth / 2), (WINDOW_HEIGHT / 4 * 3) - (spriteHeight / 2) }; Bullet bullets[maxBullets]; Bullet * bulletPointers[maxBullets]; SDL_Texture * playerHealthy; SDL_Texture * playerDamaged; SDL_Texture * currentSprite; SDL_Rect * rect; Vector2f position; Vector2f velocity; int Health; int Lives; Player::Player() { rect = new SDL_Rect(); } Player::~Player() { SDL_DestroyTexture(playerHealthy); SDL_DestroyTexture(playerDamaged); SDL_DestroyTexture(currentSprite); rect = NULL; } void Player::Initialize(SDL_Renderer * renderer) { SDL_Surface * temp; temp = IMG_Load(".\\Sprites\\player.png"); if (temp == NULL) { printf("Initialization Error: %s\n", IMG_GetError()); exit(PLAYER_INITIALIZATION_ERROR); } playerHealthy = SDL_CreateTextureFromSurface(renderer, temp); temp = IMG_Load(".\\Sprites\\playerDamaged.png"); if (temp == NULL) { printf("Initialization Error: %s\n", IMG_GetError()); exit(PLAYER_INITIALIZATION_ERROR); } playerDamaged = SDL_CreateTextureFromSurface(renderer, temp); temp = IMG_Load(".\\Sprites\\laserGreen.png"); if (temp == NULL) { printf("Initialization Error: %s\n", IMG_GetError()); exit(PLAYER_INITIALIZATION_ERROR); } SDL_Texture * bullet = SDL_CreateTextureFromSurface(renderer, temp); temp = IMG_Load(".\\Sprites\\laserGreenShot.png"); if (temp == NULL) { printf("Initialization Error: %s\n", IMG_GetError()); exit(PLAYER_INITIALIZATION_ERROR); } SDL_Texture * explosion = SDL_CreateTextureFromSurface(renderer, temp); for (int i = 0; i < maxBullets; i++) { bullets[i].Initialize(renderer, bullet, explosion); bulletPointers[i] = NULL; } temp = NULL; rect->h = spriteHeight; rect->w = spriteWidth; Reset(); } void Player::Update(Input input, float deltaTime) { if (abs(velocity.x) < slowRate * deltaTime) { velocity.x = 0; } else if (velocity.x > 0) { velocity.x -= slowRate * deltaTime; } else if (velocity.x < 0) { velocity.x += slowRate * deltaTime; } if (abs(velocity.y) < slowRate * deltaTime) { velocity.y = 0; } if (velocity.y > 0) { velocity.y -= slowRate * deltaTime; } else if (velocity.y < 0) { velocity.y += slowRate * deltaTime; } if (Health <= 0) { --Lives; Spawn(); } velocity.x += UnitVector(input.InputNew.movement).x * accRate * deltaTime; velocity.y += UnitVector(input.InputNew.movement).y * accRate * deltaTime; if (Magnitude(velocity) > maxVelocity) { velocity.x = UnitVector(velocity).x * maxVelocity; velocity.y = UnitVector(velocity).y * maxVelocity; } position.x += velocity.x * deltaTime * speed; position.y += velocity.y * deltaTime * speed; if (input.InputNew.JumpLeft && !input.InputOld.JumpLeft) { position.x -= spriteWidth; } if (input.InputNew.JumpRight && !input.InputOld.JumpRight) { position.x += spriteWidth; } Boundaries(); rect->x = position.x; rect->y = position.y; if (input.InputNew.Fire && !input.InputOld.Fire) { Fire(); } for (int i = 0; i < maxBullets; ++i) { if (bulletPointers[i] != NULL) { bullets[i].Update(deltaTime); if (bullets[i].getPosition().y < -33) { bulletPointers[i] = NULL; } } } } void Player::Draw(SDL_Renderer * renderer) { for (int i = 0; i < maxBullets; ++i) { if (bulletPointers[i] != NULL) { bullets[i].Draw(renderer); } } SDL_RenderCopy(renderer, currentSprite, NULL, rect); } void Player::Spawn() { position = startPosition; Health = maxHealth; currentSprite = playerHealthy; rect->x = position.x; rect->y = position.y; } void Player::Boundaries() { if (position.x < 0) { position.x = 0; velocity.x *= -1; } else if (position.x > WINDOW_WIDTH - spriteWidth) { position.x = WINDOW_WIDTH - spriteWidth; velocity.x *= -1; } if (position.y < topBound) { position.y = topBound; velocity.y *= -1; } else if (position.y > WINDOW_HEIGHT - spriteHeight) { position.y = WINDOW_HEIGHT - spriteHeight; velocity.y *= -1; } } int Player::getLives() { return Lives; } void Player::Reset() { Lives = startLives; Spawn(); } void Player::Fire() { for (int i = 0; i < maxBullets; ++i) { if (bulletPointers[i] == NULL) { bulletPointers[i] = &bullets[i]; bullets[i].Fire(position,velocity.x/2); break; } } } Bullet.cpp #include "Bullet.h" const int speed = 500; Vector2f bulletVelocity; float ExplosionMax = 0.5f; float ExplosionTimer; const Vector2f fireOffset = { 45.5f, 10.0f }; const Vector2f explosionOffset = { 23.5f, -27.0f }; const Vector2i bulletSize = { 9, 33 }; const Vector2i explosionSize = { 56, 54 }; Vector2f bulletPosition; SDL_Texture * bulletSprite; SDL_Texture * explosionSprite; SDL_Texture * bulletCurrentSprite; SDL_Rect * bulletRect; Bullet::Bullet() { } Bullet::~Bullet() { } void Bullet::Initialize(SDL_Renderer * renderer, SDL_Texture * bullet, SDL_Texture * explosion) { bulletSprite = bullet; explosionSprite = explosion; bulletRect = new SDL_Rect(); } void Bullet::Update(float deltaTime) { bulletPosition.y -= bulletVelocity.y * deltaTime; bulletPosition.x += bulletVelocity.x * deltaTime; bulletRect->x = static_cast<int>(bulletPosition.x); bulletRect->y = static_cast<int>(bulletPosition.y); } void Bullet::Draw(SDL_Renderer * renderer) { SDL_RenderCopy(renderer, bulletCurrentSprite, NULL, bulletRect); } void Bullet::Fire(Vector2f pos, float xSpeed) { bulletPosition.x = pos.x + fireOffset.x; bulletPosition.y = pos.y + fireOffset.y; bulletVelocity.x = xSpeed; bulletVelocity.y = speed; bulletCurrentSprite = bulletSprite; bulletRect->h = bulletSize.y; bulletRect->w = bulletSize.x; bulletRect->x = static_cast<int>(bulletPosition.x); bulletRect->y = static_cast<int>(bulletPosition.y); } Vector2f Bullet::getPosition() { return bulletPosition; } void Bullet::Hit() { bulletCurrentSprite = explosionSprite; bulletVelocity = { 0.0f, 0.0f }; ExplosionTimer = ExplosionMax; bulletPosition.x += explosionOffset.x; bulletPosition.y += explosionOffset.y; bulletRect->w = explosionSize.x; bulletRect->h = explosionSize.y; }

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• CouchDB basics for PHP developers

  <b>IBM Developerworks:</b> "If you're a typical PHP developer, it doesn't take a thorough review of past projects to pick out a telling pattern: In most (if not all) cases, you're probably getting PHP to talk to a database back end for all that dynamic data goodness; in 99 percent of those instances, you're using MySQL."

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• problems with my touchpad on my netbook

  - by user23421

  ive been having trouble with my touchpad its a synaptic pad. my problem is whenever i drag my finger across i a lot of times get this grey circle and i cant move anymore i have to take my finger off and start again its very annoying and the icon for the touchpad thats by the clock gets like a curved arrow in it and if i move my finger a little bit while this grey circle appears the arrow rotates in a circle its very weird! i have a Asus 1101HAB netbook and ive tried to update the driver when the asus updates appear and when i do it and restart the computer, then a couple days later maybe it pops up again saying i have an update and its for the touchpad and its the same version... not sure if its a bigger problem its only a week old that ive had this computer. If someone could help it would be much appreciated.

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• How do I open 2 instances of the same file in notepad++ side by side with their own scrollbars in a single Notepad++ window?

  - by Qlidnaque

  I remember doing this a long time ago and have forgotten how I had done it. I like to do this when I have long html or php files to edit and I need part of the code from further down the file in a place nearer to the top, or when I want to compare different parts of the same file. There was a way to do this without opening two instances of Notepad++ and when I clicked on save, it made the saved changes in both instances of the opened file (whereas if I have 2 windows of Notepad++ opened simultaneously, it will prompt me to either update or not update the second opened instance if the first one was saved midway.)

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• Benefits of Web Development in Joomla

  Joomla is an open source CMS platform for publishing content. It is developed in PHP, uses MySQL for database and storage.

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• Les meilleurs cours, tutoriels et Docs sur les SGBD : mise à jour de la page avec 18 nouvelles ressources

  Les meilleurs cours et tutoriels SGBD : nouvelle mise à jour avec 18 nouveaux tutoriels Bonjour à tous, Une mise à jour importante vient d'être effectuée sur la page Cours SGBD. 18 tutoriels, cours et Docs ont été ajoutés (38 au total). Des liens vers les pages cours des sous-rubriques SGBD (MySQL, SQL-Server...) font aussi leur apparition sur cette page. Accéder à la page mise à jour Merci à tous les contributeurs de cette page qui ne cessent d'enrichir les ressou...

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• Upgraded from ubuntu 12.04 to 12.10 issues

  - by ubuntu novice user

  I recently upgraded 12.04 to 12.10 ubuntu and then all hell broke loose. Being more specific, I have a Compaq machine and its hard disk is partitioned into 3 parts, so when I installed Ubuntu 10.04, I installed it in windows, since then have upgraded with each new ubuntu release via the update manager without any problems. I have installed the 64 bit versions. 12.10 downloaded via update manager, and initial downloading of packages was without problems, however, as it tried to install the packages, error messages appeared. The first was one about missing lib files, but I clicked to continue, since I am a relative novice on ubuntu. It continued, and during the restart process, when it was powering down, the computer hanged on the shutting down bit without rebooting for more than half an hour, so I manually shut down the machine and restarted it. Then a new error message appeared stating could not find disk, and I hit the manual fix option, and it now boots to an empty ubuntu desktop with my wallpaper but no launcher and the graphics appears as if this was put on a 640 x 480 resolution, and the screen no longer fits onto my 19" LCD. I had to use Ctrl-Alt-T to log out and then restart from there. How can I resolve this issue. Please help!

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• Benefits of Web Development in Joomla

  Joomla is an open source CMS platform for publishing content. It is developed in PHP, uses MySQL for database and storage.

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• Is it normal for GRUB to take some time (15+s) after I choose what to boot?

  - by zarnaik

  I had been planning to change the background of my bootloader for a while, and finally got to it. Now the black screen I get for quite some time was made clear. It is still GRUB, because the background image stays, while all of the text is gone. Then it just simply shows the Lubuntu loading screen for, usually, not more than 3 seconds. I run Lubuntu 12.10. My question is, is this normal behaviour or is something going wrong, causing GRUB to take longer? Here are the contents of my grub file located at /etc/default/ : # If you change this file, run 'update-grub' afterwards to update # /boot/grub/grub.cfg. # For full documentation of the options in this file, see: # info -f grub -n 'Simple configuration' GRUB_DEFAULT=0 #GRUB_HIDDEN_TIMEOUT=0 GRUB_HIDDEN_TIMEOUT_QUIET=true GRUB_TIMEOUT=5 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" GRUB_CMDLINE_LINUX="" GRUB_BACKGROUND="/usr/share/lubuntu/wallpapers/1210-Windmill_by_Ferran_Reyes.png" # Uncomment to enable BadRAM filtering, modify to suit your needs # This works with Linux (no patch required) and with any kernel that obtains # the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...) #GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef" # Uncomment to disable graphical terminal (grub-pc only) #GRUB_TERMINAL=console # The resolution used on graphical terminal # note that you can use only modes which your graphic card supports via VBE # you can see them in real GRUB with the command `vbeinfo' #GRUB_GFXMODE=640x480 # Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux #GRUB_DISABLE_LINUX_UUID=true # Uncomment to disable generation of recovery mode menu entries #GRUB_DISABLE_RECOVERY="true" # Uncomment to get a beep at grub start #GRUB_INIT_TUNE="480 440 1" If you need any other information please tell me and I'll do my best to provide it. :)

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• SEO and Beyond

  A common story. The marketing team from Company A recognizes the need for an internet presence. They hire a web designer who creates an awesome (read Flash) website and a web developer (PHP-MySQL) to do the coding.

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• Fusion Middleware 11gR1 : 2012?4??????

  - by Hiro

  2012 ?4? (2012/04/17 ??)?Fusion Middleware 11gR1 ?????????????? ? ????????????4??????? 1. Oracle JDK??????Oracle JDK???????Oracle JRE/JDK 6 Update 31, Oracle JRE/JDK 7 Update 3 ??????? ???????????????Linux x86, Linux x86-64, Solaris (SPARC), Solaris x86-64, Windows (32-bit), Windows x64 ?????? 2. Oracle JRockit??????Oracle JRockit???????Oracle JRockit R28.2.2 ??????? ???????????????Linux x86, Linux x86-64, Solaris (SPARC), Windows (32-bit), Windows x64 ?????? 3. Oracle GlassFish ServerOracle GlassFish Server 3.1.2 ??????? ? ??????????????AIX, Linux x86, Linux x86-64, Solaris (SPARC), Solaris x86-64, Windows (32-bit), Windows x64, Other Platforms ?????? 4. Oracle Fusion Middleware 11.1.1.6.0?11.1.1.6.0?(Oracle WebLogic Server 10.3.6 ?????)?????????????????????AIX, Linux x86, Linux x86-64, Solaris (SPARC), Solaris x86-64, Windows (32-bit), Windows x64, Other Platforms ?????? ???????????????????????????????? Oracle Business Process Analysis Suite 11g (11.1.1.4.0) Oracle Directory Server Enterprise Edition 11g (11.1.1.5.0) Oracle Identity and Access Management 11g (11.1.1.5.0) OAM, OAAM, OIM ?? Oracle Identity Analytics 11g (11.1.1.5.0) Oracle Unified Directory 11g (11.1.1.5.0) Oracle Tuxedo 11g (11.1.1.2.0) or 11g (11.1.1.3.0) ?????Sun, ?FatWire??????? ???????????????11.1.1.6.0???????????????????????Oracle Fusion Middleware ?????????????????ReadMe 11g Release 1 (11.1.1.6.0)????????????Fixed Bug List????????????Note#1364511.1 ?????????? (Note????????????????????) ? ??????????????

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