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• Retro Video Game Collection

  - by Matt Christian

  Recently I've decided, in true nerd fashion, to collect either comic books or video games.  Considering I'm much more versed in the technological arts and not in ACTUAL art, I thought collecting old video games would be an interesting venture.  After all, I am a self-described compulsive shopper (my bank statement at the end of the month has a purchase every few days).  (Don't worry, I'm not in debt and still pay my bills on time!) I went to a local video game store in Stevens Point called Gaming Generations which is a neat little shop with loads of old games for great prices.  For example, any NES cartridge on the shelf (not behind glass) is, at most, $4.99 with the cheaper ones around $1.99.  During my first round at GG, I picked up the following: NES: - Fester's Quest - Adventures of Link (Zelda 2, grey cart) - Little Nemo - Total Recall - The Goonies 2 PSX: - Galerians N64: - Mission: Impossible - Hybrid Heaven I was a little cautious, would I even like collecting old games?  As soon as I popped a few of those games in I knew right away the answer was an astounding YES!  Not only is it fun to bring back memories of all these old games, but searching for them in stores is also a blast and saying 'I have that one, I need the second one.' After finding such joy in buying these games, I decided to go search through 4-5 stores in Wausau for old games as well.  While the prices were a bit higher and selection smaller, the search was still fun.  I found the following: NES: - Maniac Mansion - T&C Surf - Chip N Dale: Rescue Rangers - TMNT (the first one) - Mission: Impossible N64: - Turok - Turok 2 Genesis: - Sonic the Hedgehog Dreamcast: - Shenmue And I found a Gamegear for $5!  Now I just need to find games for it... Tonight I will go on one more small expedition into the used, once again stopping at GG and another second hand store to see if I can find any items for my collection.

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• Game Changer Appliance for SMBs Powered by Oracle Linux

  - by Zeynep Koch

  In the November 28th CRN article  Review: Thumbs-Up On Oracle Database Appliance  , Edward F. Moltzen mentions that "The Test Center likes this appliance (Oracle Database Appliance) , for the performance and for the strong security offered by the underlying Oracle Linux in the box. It’s more than a solid offering for the SMB space; it’s potentially a game-changer as data and security needs race to keep up with the oncoming generations of technology." The Oracle Database Appliance is a new way to take advantage of the world's most popular database—Oracle Database 11g—in a single, easy-to-deploy and manage system. It's a complete package of software, server, storage, and network that's engineered for simplicity; saving time and money by simplifying deployment, maintenance, and support of database workloads. All hardware and software components are supported by a single vendor—Oracle—and offer customers unique pay-as-you-grow software licensing to quickly scale from 2 processor cores to 24 processor cores without incurring the costs and downtime usually associated with hardware upgrades. It is: Simple—Complete plug-and-go hardware and software Reliable—Advanced management features and single-vendor support Affordable—Pay-as-you-grow platform for small database consolidation The Oracle Database Appliance is a 4U rack-mountable system pre-installed with Oracle Linux and Oracle appliance manager software. Redundancy is built into all components and the Oracle appliance manager software reduces the risk and complexity of deploying highly available databases. It's perfect for consolidating OLTP and data warehousing databases up to 4 terabytes in size, making it ideal for midsize companies or departmental systems. Read more about Oracle's Database Appliance  Read more about Oracle Linux

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• HYUNDAI @ Oracle Open World 2012 General Session (GEN9449): Engineered Systems - From Vision to Game-Changing Results

  - by Sanjeev Sharma

   Why do data centers still demand an “assembly required” approach? This necessity  proves costly and complex, forces customers to deal with a wide range of vendors  for each  application, and fails to deliver performance optimization for application and data  workloads.  Oracle believes that systems (just like automobiles) should be designed and engineered “at the  factory” with the goal of reducing customers’ costs and complexity and delivering extreme performance, reliability, availability, and simplicity with a higher degree of automation. Hyundai Motor Company was founded in 1967 and since then has become a global brand in the automotive industry. Hyundai Motor Company’s was looking for a solution to manage its intellectual capital by capturing and facilitating re-use of knowledge of its thousands of employees. To achieve this Hyundai Motor Company set out to build a centralized document management platform that will allow its 30,000 knowledge workers to collaborate by sharing documents in a secure manner, anytime, anywhere. Furthermore this new knowledge management platform would bring about significant improvements in employee productivity.  Hear senior business leaders from Hyundai speak about the role and benefits of running their knowledge management platform on the Oracle family of engineered systems at the following general session at Oracle Open World 2012: Session: GEN9499 - General Session: Engineered Systems—From Vision to Game-Changing Results Date: Monday, 1 Oct, 2012Time: 1:45 pm - 2:45 pm (PST)Venue: Moscone West (2002 / 2004)

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• Game: Age of Empires sound good but video "out of range"

  - by Ezekiel

  I'm new to the Ubuntu realm. Currently i'm using Linux Mint 12 with Wine 1.4 and PLAYONLINUX as game loading/playing programs. Video card is MSI GeForce FX5200 (NVIDIA) and is 3d enabled. I can play "Call of Duty 5 demo just fine. My real love is the Age of Empires series games. I loaded the WINE version of AOE 1 demo. No sound and no picture. Black screen with "Out of Range" window in red. I loaded my CD version of AOE 1 through PLAYONLINUX. I get the sound just fine but again the black screen with "Out of Range" window in red. I have used all the monitor settings in both the "settings" and in winecfg. None of the eight monitor options worked in any combination. I have checked all the questions and blogs on this error and tried all I found and no one seems to come up with a real fix. I guess I need to know exactly what the "Out of Range" means. Any help? Anywhere? Thanks

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• What are good sites that provide free media resources for hobby game development?

  - by m_oLogin

  Please redirect me if this is a duplicate. I haven't been able to find a suitable question. I really suck at graphics / music / 3D modeling / animation and it's a must-have when you have a hundred hobby game development projects you're working on. I'm looking for different quality sources on the web that provide free resources. [EDIT] Some resources given by the answers: (I'll complete it with time) MUSIC Jamendo (need to ask for permission for uses) OpSound SOUND EFFECTS FreeSound StoneWashed SPRITES LostGarden The protagonist domain Reiner's Tilesets (also contains a couple of 3D models OpenGameArt (beta, not many resources but promising) Flying Yogi ANIMATED SPRITES The Spriters Resource MODELS archive3d TurboSquid 3Dvia Google Sketchup ShareCG Gamasutraexchange.com ANIMATED MODELS TurboSquid TEXTURES CG Textures OpenFrag Other precompiled lists FreeGameDev.net

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• 2D Game: Fast(est) way to find x closest entities for another entity - huge amount of entities, high

  - by Pygmy

  I'm working on a 2D game that has a huge amount of dynamic entities. For fun's sake, let's call them soldiers, and let's say there are 50000 of them (which I just randomly thought up, it might be much more or much less :)). All these soldiers are moving every frame according to rules - think boids / flocking / steering behaviour. For each soldier, to update it's movement I need the X soldiers that are closest to the one I'm processing. What would be the best spatial hierarchy to store them to facilitate calculations like this without too much overhead ? (All entities are updated/moved every frame, so it has to handle dynamic entities very well)

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• how should i load a bitmap for an android game?

  - by Heysus Escobar

  i been working on a game with no bitmaps or anything, I'm using rectangles as objects and changing their color for their purpose like a red rectangles for player and gray rectangles for walls. My question is what is the right way to replace the rectangles with bitmaps/images? I know to load Bitmaps you can just do this : Bitmap randomBitmap = BitmapFactory.decodeResource(getResources(), com.example.android4gametest.R.drawable.ic_launcher); Should i load all my Bitmaps and pass them to their Classes or should i load the bitmap inside their class instead of passing it ? and how would i do that because i cannot use the BitmapFactory because i have no access to the getResources()! or should i load my bitmaps/images from my assets folder which i know i wont have the same "tools" you can say to mess with the bitmap.

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• How to efficiently render different things at different times in a game?

  - by Baqjohanson

  Sorry for the ambiguous title. What I am wondering is what is an efficient way to alternate rendering between lets say a main menu, options menu, and "in the game." The only two ways I've come up with so far are to have 1 render function, with code for each part (menu, ...) and a variable to control what gets drawn, or to have multiple render functions, and use a function pointer to point to the appropriate one, and then just call the function pointer. I always wonder how more professional games do it.

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• Game Design Dilemma

  - by Chris Williams

  I'm working on a 2d tilemapped RPG. I've actually made quite a fair amount of progress, but I'm at a point where I need to make a UI decision. I have the overland world completely mapped out, and I have several towns and special areas. I'm on the fence about how to integrate the two. Scenario 1: I have one ginormous map, where everything is the same scale. This means you can walk in and out of towns without having to load or wait and transition in any way. With everything the same scale, movement costs the same no matter where you are (in terms of time/turns/energy/hunger/whatever/etc...)  The potential downside to this is that it could take quite a long time to get anywhere on foot. Scenario 2: I have an overland map, a set of town maps, overland tactical maps, dungeon maps & special area maps. The overland map is at a different scale than the other maps. This means that time/turns/energy/hunger/whatever/etc is calculated at a different rate than on the other maps, which have a 1:1 scale. When entering a town, dungeon, special area or having a random encounter, you would effectively zoom in from the overland scale to the tactical scale. When you are done with combat, or exit a dungeon or town, it would zoom back out to the overland map. The downside to this is that at the zoomed out scale, the overland map isn't all that big (comparitively) and you can traverse it fairly quickly (in real time, not game world time.) Options: 1) Go with scenario 1, as is. 2) Go with scenario 1 and introduce a slightly speedier version of overland travel, such as a horse. 3) Go with scenario 1 and introduce "instant" travel, via portals or some kind of "click the big map" mechanism. This would only work with places you've already been, or somehow unlocked (perhaps via a quest.) 4) Go with Scenario 2, as is.   Thoughts, opinions, suggestions?  Feedback appreciated.

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• A Brief History of Video Games [Video]

  - by Asian Angel

  Are you ready to take a trip down nostalgia lane? This compilation of video game footage provides a brief but interesting look at some of our favorite games over the years and how much the look and feel of them has changed. A Brief History of Video Games [via Neatorama] HTG Explains: What Is RSS and How Can I Benefit From Using It? HTG Explains: Why You Only Have to Wipe a Disk Once to Erase It HTG Explains: Learn How Websites Are Tracking You Online

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• I need a js function that can sort state from Dropbox and gave me a phone number to call [on hold]

  - by User584

  AL West AR West CT EAST DC EAST Il West MN East player one groupe A player tow Groupe B player zero Groupe D if the Group is A and the State is AL then Phone = 0762154852 if the Group is B and the State is AR then phone = 2145632541 if the group is D and the state is MN then phone = 2589632541 if i player from a dropbox and then i select State from a dropbox I want the Field phone Show the right number

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• Any interesting thesis topic?

  - by revers

  Hi, I study Computer Science at Technical University of Lodz (in Poland) with Computer Game and Simulation Technology specialization. I'm going to defend BSc thesis next year and I was wondering what topic I could choose but nothing really interesting is coming to my mind. Maybe You could help me and suggest some subjects related to programming graphics, games or simulations? (or maybe something else that is interesting enough :) ). I would be very grateful for any suggestion!

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• Java word scramble game [closed]

  - by Dan

  I'm working on code for a word scramble game in Java. I know the code itself is full of bugs right now, but my main focus is getting a vector of strings broken into two separate vectors containing hints and words. The text file that the strings are taken from has a colon separating them. So here is what I have so far. public WordApp() { inputRow = new TextInputBox(); inputRow.setLocation(200,100); phrases = new Vector <String>(FileUtilities.getStrings()); v_hints = new Vector<String>(); v_words = new Vector<String>(); textBox = new TextBox(200,100); textBox.setLocation(200,200); textBox.setText(scrambled + "\n\n Time Left: \t" + seconds/10 + "\n Score: \t" + score); hintBox = new TextBox(200,200); hintBox.setLocation(300,400); hintBox.hide(); Iterator <String> categorize = phrases.iterator(); while(categorize.hasNext()) { int index = phrases.indexOf(":"); String element = categorize.next(); v_words.add(element.substring(0,index)); v_hints.add(element.substring(index +1)); phrases.remove(index); System.out.print(index); } The FileUtilities file was given to us by the pofessor, here it is. import java.util.*; import java.io.*; public class FileUtilities { private static final String FILE_NAME = "javawords.txt"; //------------------ getStrings ------------------------- // // returns a Vector of Strings // Each string is of the form: word:hint // where word contains no spaces. // The words and hints are read from FILE_NAME // // public static Vector<String> getStrings ( ) { Vector<String> words = new Vector<String>(); File file = new File( FILE_NAME ); Scanner scanFile; try { scanFile = new Scanner( file); } catch ( IOException e) { System.err.println( "LineInput Error: " + e.getMessage() ); return null; } while ( scanFile.hasNextLine() ) { // read the word and follow it by a colon String s = scanFile.nextLine().trim().toUpperCase() + ":"; if( s.length()>1 && scanFile.hasNextLine() ) { // append the hint and add to collection s+= scanFile.nextLine().trim(); words.add(s); } } // shuffle Collections.shuffle(words); return words; } }

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• Macbook Pro Wireless Reconnecting

  - by A Student at a University

  I'm using a WPA2 EAP network. I'm sitting next to the access point. The connection keeps dropping and taking ~10 seconds to reconnect. My other devices are staying online. What's causing it? syslog: 01:21:10 dhclient: DHCPREQUEST of XXX.XXX.XXX.XXX on eth1 to XXX.XXX.XXX.XXX port 67 01:21:10 dhclient: DHCPACK of XXX.XXX.XXX.XXX from XXX.XXX.XXX.XXX 01:21:10 NetworkManager[XX40]: <info> (eth1): DHCPv4 state changed reboot -> renew 01:21:10 NetworkManager[XX40]: <info> address XXX.XXX.XXX.XXX 01:21:10 NetworkManager[XX40]: <info> prefix 20 (XXX.XXX.XXX.XXX) 01:21:10 NetworkManager[XX40]: <info> gateway XXX.XXX.XXX.XXX 01:21:10 NetworkManager[XX40]: <info> nameserver 'XXX.XXX.XXX.XXX' 01:21:10 NetworkManager[XX40]: <info> nameserver 'XXX.XXX.XXX.XXX' 01:21:10 NetworkManager[XX40]: <info> nameserver 'XXX.XXX.XXX.XXX' 01:21:10 NetworkManager[XX40]: <info> domain name 'server.domain.tld' 01:21:10 dhclient: bound to XXX.XXX.XXX.XXX -- renewal in XXX seconds. 01:33:30 dhclient: DHCPREQUEST of XXX.XXX.XXX.XXX on eth1 to XXX.XXX.XXX.XXX port 67 01:33:30 dhclient: DHCPACK of XXX.XXX.XXX.XXX from XXX.XXX.XXX.XXX 01:33:30 dhclient: bound to XXX.XXX.XXX.XXX -- renewal in XXX seconds. 01:35:13 wpa_supplicant[XX60]: CTRL-EVENT-EAP-STARTED EAP authentication started 01:35:13 wpa_supplicant[XX60]: CTRL-EVENT-EAP-METHOD EAP vendor 0 method 25 (PEAP) selected 01:35:14 wpa_supplicant[XX60]: EAP-MSCHAPV2: Authentication succeeded 01:35:14 wpa_supplicant[XX60]: EAP-TLV: TLV Result - Success - EAP-TLV/Phase2 Completed 01:35:14 wpa_supplicant[XX60]: CTRL-EVENT-EAP-SUCCESS EAP authentication completed successfully 01:35:14 NetworkManager[XX40]: <info> (eth1): supplicant connection state: completed -> 4-way handshake 01:35:14 wpa_supplicant[XX60]: WPA: Key negotiation completed with XX:XX:XX:XX:XX:XX [PTK=CCMP GTK=TKIP] 01:35:14 NetworkManager[XX40]: <info> (eth1): supplicant connection state: 4-way handshake -> group handshake 01:35:14 NetworkManager[XX40]: <info> (eth1): supplicant connection state: group handshake -> completed 01:35:17 wpa_supplicant[XX60]: CTRL-EVENT-DISCONNECTED - Disconnect event - remove keys 01:35:17 NetworkManager[XX40]: <info> (eth1): supplicant connection state: completed -> disconnected 01:35:17 NetworkManager[XX40]: <info> (eth1): supplicant connection state: disconnected -> scanning 01:35:26 wpa_supplicant[XX60]: CTRL-EVENT-DISCONNECTED - Disconnect event - remove keys 01:35:26 NetworkManager[XX40]: <info> (eth1): supplicant connection state: scanning -> disconnected 01:35:29 NetworkManager[XX40]: <info> (eth1): supplicant connection state: disconnected -> scanning 01:35:32 NetworkManager[XX40]: <info> (eth1): device state change: 8 -> 3 (reason 11) 01:35:32 NetworkManager[XX40]: <info> (eth1): deactivating device (reason: 11). 01:35:32 NetworkManager[XX40]: <info> (eth1): canceled DHCP transaction, DHCP client pid XX27 01:35:32 NetworkManager[XX40]: <info> Activation (eth1) starting connection 'Auto XXXXXXXXXX' 01:35:32 NetworkManager[XX40]: <info> (eth1): device state change: 3 -> 4 (reason 0) 01:35:32 NetworkManager[XX40]: <info> Activation (eth1) Stage 1 of 5 (Device Prepare) scheduled... 01:35:32 NetworkManager[XX40]: <info> (eth1): supplicant connection state: scanning -> disconnected 01:35:32 NetworkManager[XX40]: <info> Activation (eth1) Stage 1 of 5 (Device Prepare) started... 01:35:32 NetworkManager[XX40]: <info> Activation (eth1) Stage 2 of 5 (Device Configure) scheduled... 01:35:32 NetworkManager[XX40]: <info> Activation (eth1) Stage 1 of 5 (Device Prepare) complete. 01:35:32 NetworkManager[XX40]: <info> Activation (eth1) Stage 2 of 5 (Device Configure) starting... 01:35:32 NetworkManager[XX40]: <info> (eth1): device state change: 4 -> 5 (reason 0) 01:35:32 NetworkManager[XX40]: <info> Activation (eth1/wireless): access point 'Auto XXXXXXXXXX' has security, but secrets are required. 01:35:32 NetworkManager[XX40]: <info> (eth1): device state change: 5 -> 6 (reason 0) 01:35:32 NetworkManager[XX40]: <info> Activation (eth1) Stage 2 of 5 (Device Configure) complete. 01:35:32 NetworkManager[XX40]: <info> Activation (eth1) Stage 1 of 5 (Device Prepare) scheduled... 01:35:32 NetworkManager[XX40]: <info> Activation (eth1) Stage 1 of 5 (Device Prepare) started... 01:35:32 NetworkManager[XX40]: <info> (eth1): device state change: 6 -> 4 (reason 0) 01:35:32 NetworkManager[XX40]: <info> Activation (eth1) Stage 2 of 5 (Device Configure) scheduled... 01:35:32 NetworkManager[XX40]: <info> Activation (eth1) Stage 1 of 5 (Device Prepare) complete. 01:35:32 NetworkManager[XX40]: <info> Activation (eth1) Stage 2 of 5 (Device Configure) starting... 01:35:32 NetworkManager[XX40]: <info> (eth1): device state change: 4 -> 5 (reason 0) 01:35:32 NetworkManager[XX40]: <info> Activation (eth1/wireless): connection 'Auto XXXXXXXXXX' has security, and secrets exist. No new secrets needed. 01:35:32 NetworkManager[XX40]: <info> Config: added 'ssid' value 'XXXXXXXXXX' 01:35:32 NetworkManager[XX40]: <info> Config: added 'scan_ssid' value '1' 01:35:32 NetworkManager[XX40]: <info> Config: added 'key_mgmt' value 'WPA-EAP' 01:35:32 NetworkManager[XX40]: <info> Config: added 'password' value '<omitted>' 01:35:32 NetworkManager[XX40]: <info> Config: added 'eap' value 'PEAP' 01:35:32 NetworkManager[XX40]: <info> Config: added 'fragment_size' value 'XXX0' 01:35:32 NetworkManager[XX40]: <info> Config: added 'phase2' value 'auth=MSCHAPV2' 01:35:32 NetworkManager[XX40]: <info> Config: added 'ca_cert' value '/etc/ssl/certs/Equifax_Secure_CA.pem' 01:35:32 NetworkManager[XX40]: <info> Config: added 'identity' value 'XXXXXXX' 01:35:32 NetworkManager[XX40]: <info> Activation (eth1) Stage 2 of 5 (Device Configure) complete. 01:35:32 NetworkManager[XX40]: <info> Config: set interface ap_scan to 1 01:35:32 NetworkManager[XX40]: <info> (eth1): supplicant connection state: disconnected -> scanning 01:35:36 wpa_supplicant[XX60]: Associated with XX:XX:XX:XX:XX:XX 01:35:36 NetworkManager[XX40]: <info> (eth1): supplicant connection state: scanning -> associated 01:35:36 wpa_supplicant[XX60]: CTRL-EVENT-EAP-STARTED EAP authentication started 01:35:36 wpa_supplicant[XX60]: CTRL-EVENT-EAP-METHOD EAP vendor 0 method 25 (PEAP) selected 01:35:36 wpa_supplicant[XX60]: EAP-MSCHAPV2: Authentication succeeded 01:35:36 wpa_supplicant[XX60]: EAP-TLV: TLV Result - Success - EAP-TLV/Phase2 Completed 01:35:36 wpa_supplicant[XX60]: CTRL-EVENT-EAP-SUCCESS EAP authentication completed successfully 01:35:36 NetworkManager[XX40]: <info> (eth1): supplicant connection state: associated -> 4-way handshake 01:35:36 wpa_supplicant[XX60]: WPA: Could not find AP from the scan results 01:35:36 wpa_supplicant[XX60]: WPA: Key negotiation completed with XX:XX:XX:XX:XX:XX [PTK=CCMP GTK=TKIP] 01:35:36 wpa_supplicant[XX60]: CTRL-EVENT-CONNECTED - Connection to XX:XX:XX:XX:XX:XX completed (reauth) [id=0 id_str=] 01:35:36 NetworkManager[XX40]: <info> (eth1): supplicant connection state: 4-way handshake -> group handshake 01:35:36 NetworkManager[XX40]: <info> (eth1): supplicant connection state: group handshake -> completed 01:35:36 NetworkManager[XX40]: <info> Activation (eth1/wireless) Stage 2 of 5 (Device Configure) successful. Connected to wireless network 'XXXXXXXXXX'. 01:35:36 NetworkManager[XX40]: <info> Activation (eth1) Stage 3 of 5 (IP Configure Start) scheduled. 01:35:36 NetworkManager[XX40]: <info> Activation (eth1) Stage 3 of 5 (IP Configure Start) started... 01:35:36 NetworkManager[XX40]: <info> (eth1): device state change: 5 -> 7 (reason 0) 01:35:36 NetworkManager[XX40]: <info> Activation (eth1) Beginning DHCPv4 transaction (timeout in 45 seconds) 01:35:36 NetworkManager[XX40]: <info> dhclient started with pid XX87 01:35:36 NetworkManager[XX40]: <info> Activation (eth1) Stage 3 of 5 (IP Configure Start) complete. 01:35:36 dhclient: Internet Systems Consortium DHCP Client VXXX.XXX.XXX 01:35:36 dhclient: Copyright 2004-2009 Internet Systems Consortium. 01:35:36 dhclient: All rights reserved. 01:35:36 dhclient: For info, please visit https://www.isc.org/software/dhcp/ 01:35:36 dhclient: 01:35:36 NetworkManager[XX40]: <info> (eth1): DHCPv4 state changed nbi -> preinit 01:35:36 dhclient: Listening on LPF/eth1/XX:XX:XX:XX:XX:XX 01:35:36 dhclient: Sending on LPF/eth1/XX:XX:XX:XX:XX:XX 01:35:36 dhclient: Sending on Socket/fallback 01:35:36 dhclient: DHCPREQUEST of XXX.XXX.XXX.XXX on eth1 to XXX.XXX.XXX.XXX port 67 01:35:36 dhclient: DHCPACK of XXX.XXX.XXX.XXX from XXX.XXX.XXX.XXX 01:35:36 dhclient: bound to XXX.XXX.XXX.XXX -- renewal in XXX seconds. 01:35:36 NetworkManager[XX40]: <info> (eth1): DHCPv4 state changed preinit -> reboot 01:35:36 NetworkManager[XX40]: <info> Activation (eth1) Stage 4 of 5 (IP4 Configure Get) scheduled... 01:35:36 NetworkManager[XX40]: <info> Activation (eth1) Stage 4 of 5 (IP4 Configure Get) started... 01:35:36 NetworkManager[XX40]: <info> address XXX.XXX.XXX.XXX 01:35:36 NetworkManager[XX40]: <info> prefix 20 (XXX.XXX.XXX.XXX) 01:35:36 NetworkManager[XX40]: <info> gateway XXX.XXX.XXX.XXX 01:35:36 NetworkManager[XX40]: <info> nameserver 'XXX.XXX.XXX.XXX' 01:35:36 NetworkManager[XX40]: <info> nameserver 'XXX.XXX.XXX.XXX' 01:35:36 NetworkManager[XX40]: <info> nameserver 'XXX.XXX.XXX.XXX' 01:35:36 NetworkManager[XX40]: <info> domain name 'server.domain.tld' 01:35:36 NetworkManager[XX40]: <info> Activation (eth1) Stage 5 of 5 (IP Configure Commit) scheduled... 01:35:36 NetworkManager[XX40]: <info> Activation (eth1) Stage 4 of 5 (IP4 Configure Get) complete. 01:35:36 NetworkManager[XX40]: <info> Activation (eth1) Stage 5 of 5 (IP Configure Commit) started... 01:35:37 NetworkManager[XX40]: <info> (eth1): device state change: 7 -> 8 (reason 0) 01:35:37 NetworkManager[XX40]: <info> (eth1): roamed from BSSID XX:XX:XX:XX:XX:XX (XXXXXXXXXX) to XX:XX:XX:XX:XX:XX (XXXXXXXXX) 01:35:37 NetworkManager[XX40]: <info> Policy set 'Auto XXXXXXXXXX' (eth1) as default for IPv4 routing and DNS. 01:35:37 NetworkManager[XX40]: <info> Activation (eth1) successful, device activated. 01:35:37 NetworkManager[XX40]: <info> Activation (eth1) Stage 5 of 5 (IP Configure Commit) complete. 01:35:43 wpa_supplicant[XX60]: Trying to associate with XX:XX:XX:XX:XX:XX (SSID='XXXXXXXXXX' freq=2412 MHz) 01:35:43 NetworkManager[XX40]: <info> (eth1): supplicant connection state: completed -> associating 01:35:43 wpa_supplicant[XX60]: Association request to the driver failed 01:35:46 wpa_supplicant[XX60]: Associated with XX:XX:XX:XX:XX:XX 01:35:46 NetworkManager[XX40]: <info> (eth1): supplicant connection state: associating -> associated 01:35:46 NetworkManager[XX40]: <info> (eth1): supplicant connection state: associated -> 4-way handshake 01:35:46 wpa_supplicant[XX60]: WPA: Key negotiation completed with XX:XX:XX:XX:XX:XX [PTK=CCMP GTK=TKIP] 01:35:46 wpa_supplicant[XX60]: CTRL-EVENT-CONNECTED - Connection to XX:XX:XX:XX:XX:XX completed (reauth) [id=0 id_str=] 01:35:46 NetworkManager[XX40]: <info> (eth1): supplicant connection state: 4-way handshake -> group handshake 01:35:46 NetworkManager[XX40]: <info> (eth1): supplicant connection state: group handshake -> completed 01:40:47 wpa_supplicant[XX60]: WPA: Group rekeying completed with XX:XX:XX:XX:XX:XX [GTK=TKIP] 01:40:47 NetworkManager[XX40]: <info> (eth1): supplicant connection state: completed -> group handshake 01:40:47 NetworkManager[XX40]: <info> (eth1): supplicant connection state: group handshake -> completed 01:50:19 dhclient: DHCPREQUEST of XXX.XXX.XXX.XXX on eth1 to XXX.XXX.XXX.XXX port 67 01:50:19 dhclient: DHCPACK of XXX.XXX.XXX.XXX from XXX.XXX.XXX.XXX

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• MINSCN?Cache Fusion Read Consistent

  - by Liu Maclean(???)

  ????? ???Ask Maclean Home ???  RAC ? Past Image PI????, ?????????,???11.2.0.3 2 Node RAC??????????: SQL> select * from v$version; BANNER -------------------------------------------------------------------------------- Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production PL/SQL Release 11.2.0.3.0 - Production CORE 11.2.0.3.0 Production TNS for Linux: Version 11.2.0.3.0 - Production NLSRTL Version 11.2.0.3.0 - Production SQL> select * from global_name; GLOBAL_NAME -------------------------------------------------------------------------------- www.oracledatabase12g.com SQL> drop table test purge; Table dropped. SQL> alter system flush buffer_cache; System altered. SQL> create table test(id number); insert into test values(1); insert into test values(2); commit; /* ???? rowid??TEST????2????????? */ select dbms_rowid.rowid_block_number(rowid),dbms_rowid.rowid_relative_fno(rowid) from test; DBMS_ROWID.ROWID_BLOCK_NUMBER(ROWID) DBMS_ROWID.ROWID_RELATIVE_FNO(ROWID) ------------------------------------ ------------------------------------                                89233                                    1                                89233                                    1 SQL> alter system flush buffer_cache; System altered. Instance 1 Session A ??UPDATE??: SQL> update test set id=id+1 where id=1; 1 row updated. Instance 1 Session B ??x$BH buffer header?? ?? ??Buffer??? SQL> select state,cr_scn_bas from x$bh where file#=1 and dbablk=89233 and state!=0;      STATE CR_SCN_BAS ---------- ----------          1          0          3    1227595 X$BH ??? STATE????Buffer???, ???????: STATE NUMBER KCBBHFREE 0 buffer free KCBBHEXLCUR 1 buffer current (and if DFS locked X) KCBBHSHRCUR 2 buffer current (and if DFS locked S) KCBBHCR 3 buffer consistant read KCBBHREADING 4 Being read KCBBHMRECOVERY 5 media recovery (current & special) KCBBHIRECOVERY 6 Instance recovery (somewhat special) ????????????? : state =1 Xcurrent ? state=2 Scurrent ? state=3 CR ??? Instance 2  ?? ????????????? ,???? gc current block 2 way  ??Current Block ??? Instance 2, ?? Instance 1 ??”Current Block” Convert ? Past Image: Instance 2 Session C SQL> update test set id=id+1 where id=2; 1 row updated. Instance 2 Session D SQL> select state,cr_scn_bas from x$bh where file#=1 and dbablk=89233 and state!=0; STATE CR_SCN_BAS ---------- ---------- 1 0 3 1227641 3 1227638 STATE =1 ?Xcurrent block???? Instance 2 , ??? Instance 1 ??? GC??: Instance 1 Session B SQL> select state,cr_scn_bas from x$bh where file#=1 and dbablk=89233 and state!=0;      STATE CR_SCN_BAS ---------- ----------          3    1227641          3    1227638          8          0          3    1227595 ???????, ??????Instance 1??session A????TEST??SELECT??? ,????? 3? State=3?CR ? ??????1?: Instance 1 session A ?????UPDATE? session SQL> alter session set events '10046 trace name context forever,level 8:10708 trace name context forever,level 103: trace[rac.*] disk high'; Session altered. SQL> select * from test;         ID ----------          2          2 select state,cr_scn_bas from x$bh where file#=1 and dbablk=89233 and state!=0;       STATE CR_SCN_BAS ---------- ----------          3    1227716          3    1227713          8          0 ?????????v$BH ????CR????,?????SELECT??? CR????????,???????? ?????????? ??X$BH?????? , ?????CR??SCN Version???: 1227641?1227638?1227595, ?SELECT?????? 2???SCN version?CR? 1227716? 1227713 ???, Oracle????????? ?????????SELECT??????event 10708? rac.*???TRACE,??????TRACE??: PARSING IN CURSOR #140444679938584 len=337 dep=1 uid=0 oct=3 lid=0 tim=1335698913632292 hv=3345277572 ad='bc0e68c8' sqlid='baj7tjm3q9sn4' SELECT /* OPT_DYN_SAMP */ /*+ ALL_ROWS IGNORE_WHERE_CLAUSE NO_PARALLEL(SAMPLESUB) opt_param('parallel_execution_enabled', 'false') NO_PARALLEL_INDEX(SAMPLESUB) NO_SQL_TUNE */ NVL(SUM(C1),0), NVL(SUM(C2),0) FROM (SELECT /*+ NO_PARALLEL("TEST") FULL("TEST") NO_PARALLEL_INDEX("TEST") */ 1 AS C1, 1 AS C2 FROM "SYS"."TEST" "TEST") SAMPLESUB END OF STMT PARSE #140444679938584:c=1000,e=27630,p=0,cr=0,cu=0,mis=1,r=0,dep=1,og=1,plh=1950795681,tim=1335698913632252 EXEC #140444679938584:c=0,e=44,p=0,cr=0,cu=0,mis=0,r=0,dep=1,og=1,plh=1950795681,tim=1335698913632390 *** 2012-04-29 07:28:33.632 kclscrs: req=0 block=1/89233 *** 2012-04-29 07:28:33.632 kclscrs: bid=1:3:1:0:7:80:1:0:4:0:0:0:1:2:4:1:26:0:0:0:70:1a:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:4:3:2:1:2:0:3f:0:1c:86:2d:4:0:0:0:0:a2:3c:7c:b:70:1a:0:0:0:0:1:0:7a:f8:76:1d:1:2:dc:5:a9:fe:17:75:0:0:0:0:0:0:0:0:0:0:0:0:63:e5:0:0:0:0:0:0:10:0:0:0 2012-04-29 07:28:33.632578 : kjbcrc[0x15c91.1 76896.0][9] 2012-04-29 07:28:33.632616 : GSIPC:GMBQ: buff 0xba1e8f90, queue 0xbb79f278, pool 0x60013fa0, freeq 1, nxt 0xbb79f278, prv 0xbb79f278 2012-04-29 07:28:33.632634 : kjbmscrc(0x15c91.1)seq 0x2 reqid=0x1c(shadow 0xb4bb4458,reqid x1c)mas@2(infosz 200)(direct 1) 2012-04-29 07:28:33.632654 : kjbsentscn[0x0.12bbc1][to 2] 2012-04-29 07:28:33.632669 : GSIPC:SENDM: send msg 0xba1e9000 dest x20001 seq 24026 type 32 tkts xff0000 mlen x17001a0 2012-04-29 07:28:33.633385 : GSIPC:KSXPCB: msg 0xba1e9000 status 30, type 32, dest 2, rcvr 1 *** 2012-04-29 07:28:33.633 kclwcrs: wait=0 tm=689 *** 2012-04-29 07:28:33.633 kclwcrs: got 1 blocks from ksxprcv WAIT #140444679938584: nam='gc cr block 2-way' ela= 689 p1=1 p2=89233 p3=1 obj#=76896 tim=1335698913633418 2012-04-29 07:28:33.633490 : kjbcrcomplete[0x15c91.1 76896.0][0] 2012-04-29 07:28:33.633510 : kjbrcvdscn[0x0.12bbc1][from 2][idx 2012-04-29 07:28:33.633527 : kjbrcvdscn[no bscn <= rscn 0x0.12bbc1][from 2] *** 2012-04-29 07:28:33.633 kclwcrs: req=0 typ=cr(2) wtyp=2hop tm=689 ??TRACE???? ?????????TEST??????, ???????Dynamic Sampling?????,???????TEST?? CR???,???????’gc cr block 2-way’ ??: 2012-04-29 07:28:33.632654 : kjbsentscn[0x0.12bbc1][to 2] 12bbc1= 1227713  ???X$BH????CR???,kjbsentscn[0x0.12bbc1][to 2] ????? ? Instance 2 ???SCN=12bbc1=1227713   DBA=0x15c91.1 76896.0 ?  CR Request(obj#=76896) ??kjbrcvdscn????? [no bscn <= rscn 0x0.12bbc1][from 2] ,??? ??receive? SCN Version =12bbc1 ???Best Version CR Server Arch ??????????????????SELECT??: PARSING IN CURSOR #140444682869592 len=18 dep=0 uid=0 oct=3 lid=0 tim=1335698913635874 hv=1689401402 ad='b1a188f0' sqlid='c99yw1xkb4f1u' select * from test END OF STMT PARSE #140444682869592:c=4999,e=34017,p=0,cr=7,cu=0,mis=1,r=0,dep=0,og=1,plh=1357081020,tim=1335698913635870 EXEC #140444682869592:c=0,e=23,p=0,cr=0,cu=0,mis=0,r=0,dep=0,og=1,plh=1357081020,tim=1335698913635939 WAIT #140444682869592: nam='SQL*Net message to client' ela= 7 driver id=1650815232 #bytes=1 p3=0 obj#=0 tim=1335698913636071 *** 2012-04-29 07:28:33.636 kclscrs: req=0 block=1/89233 *** 2012-04-29 07:28:33.636 kclscrs: bid=1:3:1:0:7:83:1:0:4:0:0:0:1:2:4:1:26:0:0:0:70:1a:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:4:3:2:1:2:0:2:0:1c:86:2d:4:0:0:0:0:a2:3c:7c:b:70:1a:0:0:0:0:1:0:7d:f8:76:1d:1:2:dc:5:a9:fe:17:75:0:0:0:0:0:0:0:0:0:0:0:0:63:e5:0:0:0:0:0:0:10:0:0:0 2012-04-29 07:28:33.636209 : kjbcrc[0x15c91.1 76896.0][9] 2012-04-29 07:28:33.636228 : GSIPC:GMBQ: buff 0xba0e5d50, queue 0xbb79f278, pool 0x60013fa0, freeq 1, nxt 0xbb79f278, prv 0xbb79f278 2012-04-29 07:28:33.636244 : kjbmscrc(0x15c91.1)seq 0x3 reqid=0x1d(shadow 0xb4bb4458,reqid x1d)mas@2(infosz 200)(direct 1) 2012-04-29 07:28:33.636252 : kjbsentscn[0x0.12bbc4][to 2] 2012-04-29 07:28:33.636358 : GSIPC:SENDM: send msg 0xba0e5dc0 dest x20001 seq 24029 type 32 tkts xff0000 mlen x17001a0 2012-04-29 07:28:33.636861 : GSIPC:KSXPCB: msg 0xba0e5dc0 status 30, type 32, dest 2, rcvr 1 *** 2012-04-29 07:28:33.637 kclwcrs: wait=0 tm=865 *** 2012-04-29 07:28:33.637 kclwcrs: got 1 blocks from ksxprcv WAIT #140444682869592: nam='gc cr block 2-way' ela= 865 p1=1 p2=89233 p3=1 obj#=76896 tim=1335698913637294 2012-04-29 07:28:33.637356 : kjbcrcomplete[0x15c91.1 76896.0][0] 2012-04-29 07:28:33.637374 : kjbrcvdscn[0x0.12bbc4][from 2][idx 2012-04-29 07:28:33.637389 : kjbrcvdscn[no bscn <= rscn 0x0.12bbc4][from 2] *** 2012-04-29 07:28:33.637 kclwcrs: req=0 typ=cr(2) wtyp=2hop tm=865 ???, “SELECT * FROM TEST”??????’gc cr block 2-way’??:2012-04-29 07:28:33.637374 : kjbrcvdscn[0x0.12bbc4][from 2][idx 2012-04-29 07:28:33.637389 : kjbrcvdscn[no bscn ??Foreground Process? Remote LMS??got?? SCN=1227716 Version?CR, ??? ?????X$BH ?????scn??? ??????????Instance 1????2?SCN???CR?, ???????????Instance 1 Buffer Cache?? ??SCN Version ???CR ??????? ?????????: SQL> alter system set "_enable_minscn_cr"=false scope=spfile; System altered. SQL> alter system set "_db_block_max_cr_dba"=20 scope=spfile; System altered. SQL> startup force; ORA-32004: obsolete or deprecated parameter(s) specified for RDBMS instance ORACLE instance started. Total System Global Area 1570009088 bytes Fixed Size 2228704 bytes Variable Size 989859360 bytes Database Buffers 570425344 bytes Redo Buffers 7495680 bytes Database mounted. Database opened. ???? “_enable_minscn_cr”=false ? “_db_block_max_cr_dba”=20 ???RAC????, ??????: ?Instance 2 Session C ?update??????? ?????Instance 1 ????? ,????Instance 1?Request CR SQL> update test set id=id+1 where id=2; -- Instance 2 1 row updated. SQL> select * From test; -- Instance 1 ID ---------- 1 2 ??? Instance 1? X$BH?? select state,cr_scn_bas from x$bh where file#=1 and dbablk=89233 and state!=0;  STATE CR_SCN_BAS ---------- ---------- 3 1273080 3 1273071 3 1273041 3 1273039 8 0 SQL> update test set id=id+1 where id=3; 1 row updated. SQL> select * From test; ID ---------- 1 2 SQL> select state,cr_scn_bas from x$bh where file#=1 and dbablk=89233 and state!=0; STATE CR_SCN_BAS ---------- ---------- 3 1273091 3 1273080 3 1273071 3 1273041 3 1273039 8 0 ................... SQL> select state,cr_scn_bas from x$bh where file#=1 and dbablk=89233 and state!=0; STATE CR_SCN_BAS ---------- ---------- 3 1273793 3 1273782 3 1273780 3 1273769 3 1273734 3 1273715 3 1273691 3 1273679 3 1273670 3 1273643 3 1273635 3 1273623 3 1273106 3 1273091 3 1273080 3 1273071 3 1273041 3 1273039 3 1273033 19 rows selected. SQL> select state,cr_scn_bas from x$bh where file#=1 and dbablk=89233 and state!=0; STATE CR_SCN_BAS ---------- ---------- 3 1274993 ????? ???? “_enable_minscn_cr”(enable/disable minscn optimization for CR)=false ? “_db_block_max_cr_dba”=20 (Maximum Allowed Number of CR buffers per dba) 2? ??? ????? Instance 1 ??????????? ?? 19????CR?? “_enable_minscn_cr”?11g??????????,???Oracle????CR????SCN,?Foreground Process Receive????????????(SCN??)?SCN Version CR Block??????CBC?? SCN??????CR? , ?????????Buffer Cache??????? ????SCN Version?CR????,????? ?????????? ?????Snap_Scn ?? SCN?? ?????????Current SCN, ??????CR??????????????????????, ????Buffer Cache? ?????????? CR?????????, ?????? “_db_block_max_cr_dba” ???????, ???????????20 ,??????Buffer Cache?????19????CR?; ???”_db_block_max_cr_dba” ???????6 , ?????Buffer cache????????CR ???????6?? ??”_enable_minscn_cr” ??CR???MINSCN ??????, ?????????CR???????, ????? Foreground Process??????CR Request , ?? Holder Instance LMS ?build?? BEST CR ??, ?????????

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• ???? ??? ?? ?? ?? (Start Playing The Distribution Game on YouTube)

  유튜브를 활용한 게임 확산 전략 (Start Playing The Distribution Game on YouTube) 권순선, Sang Kim and Jarek Wilkiewicz. Edited version of a presentation recorded at YouTube Korea, Seoul, Nov 2012 유튜브는 매일 8억명 이상이 방문하며 매달 40억 시간 이상 시청되고 있습니다. 게임은 그중에서도 가장 많은 사람들이 시청하는 분야 중 하나입니다. 여러분의 게임을 유튜브와 결합하시면 그 어떤 미디어들보다도 더 효과적으로 동영상 시청자들을 게이머로 전환하실 수 있습니다. 이번 세션에서는 PC, 콘솔게임 그리고 모바일에서 유튜브와 게임을 결합한 재미있는 사례들을 보여 드립니다. 기술적, 사업적으로 가장 좋은 예제들을 알려 드리고, 저희가 가장 좋아하는 게임 플레이 동영상들도 함께 보여 드립니다! From: GoogleDevelopers Views: 85 3 ratings Time: 01:00:02 More in Gaming

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• Web Client Service constantly in 'Stopping' state

  - by Mark

  I have a user who's Web Client service constantly reports that it's in the 'Stopping' state and it's hindering her ability to save JMP files to a SharePoint site using the UNC path. She's running Windows XP Service Pack 3. I've tried modifying the Web Client parameters in the registry for UseBasicAuth and FileAttributesLimitInBytes with no luck. When I set the service to Manual and then try to start it after Windows boots up, it starts and then immediately goes into the Stopping state again. Other things I've tried: Removing/Reinstalling her network card Removing/Reinstalling the Client for Microsoft Networks and File and Print Sharing Checked that the BITS and RPC services are running fine (not sure if they're related) Does anyone have any other ideas? Is there a way to repair/rebuild the Web Client service?

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• IOC Container Handling State Params in Non-Default Constructor

  - by Mystagogue

  For the purpose of this discussion, there are two kinds of parameters an object constructor might take: state dependency or service dependency. Supplying a service dependency with an IOC container is easy: DI takes over. But in contrast, state dependencies are usually only known to the client. That is, the object requestor. It turns out that having a client supply the state params through an IOC Container is quite painful. I will show several different ways to do this, all of which have big problems, and ask the community if there is another option I'm missing. Let's begin: Before I added an IOC container to my project code, I started with a class like this: class Foobar { //parameters are state dependencies, not service dependencies public Foobar(string alpha, int omega){...}; //...other stuff } I decide to add a Logger service depdendency to the Foobar class, which perhaps I'll provide through DI: class Foobar { public Foobar(string alpha, int omega, ILogger log){...}; //...other stuff } But then I'm also told I need to make class Foobar itself "swappable." That is, I'm required to service-locate a Foobar instance. I add a new interface into the mix: class Foobar : IFoobar { public Foobar(string alpha, int omega, ILogger log){...}; //...other stuff } When I make the service locator call, it will DI the ILogger service dependency for me. Unfortunately the same is not true of the state dependencies Alpha and Omega. Some containers offer a syntax to address this: //Unity 2.0 pseudo-ish code: myContainer.Resolve<IFoobar>( new parameterOverride[] { {"alpha", "one"}, {"omega",2} } ); I like the feature, but I don't like that it is untyped and not evident to the developer what parameters must be passed (via intellisense, etc). So I look at another solution: //This is a "boiler plate" heavy approach! class Foobar : IFoobar { public Foobar (string alpha, int omega){...}; //...stuff } class FoobarFactory : IFoobarFactory { public IFoobar IFoobarFactory.Create(string alpha, int omega){ return new Foobar(alpha, omega); } } //fetch it... myContainer.Resolve<IFoobarFactory>().Create("one", 2); The above solves the type-safety and intellisense problem, but it (1) forced class Foobar to fetch an ILogger through a service locator rather than DI and (2) it requires me to make a bunch of boiler-plate (XXXFactory, IXXXFactory) for all varieties of Foobar implementations I might use. Should I decide to go with a pure service locator approach, it may not be a problem. But I still can't stand all the boiler-plate needed to make this work. So then I try this: //code named "concrete creator" class Foobar : IFoobar { public Foobar(string alpha, int omega, ILogger log){...}; static IFoobar Create(string alpha, int omega){ //unity 2.0 pseudo-ish code. Assume a common //service locator, or singleton holds the container... return Container.Resolve<IFoobar>( new parameterOverride[] {{"alpha", alpha},{"omega", omega} } ); } //Get my instance: Foobar.Create("alpha",2); I actually don't mind that I'm using the concrete "Foobar" class to create an IFoobar. It represents a base concept that I don't expect to change in my code. I also don't mind the lack of type-safety in the static "Create", because it is now encapsulated. My intellisense is working too! Any concrete instance made this way will ignore the supplied state params if they don't apply (a Unity 2.0 behavior). Perhaps a different concrete implementation "FooFoobar" might have a formal arg name mismatch, but I'm still pretty happy with it. But the big problem with this approach is that it only works effectively with Unity 2.0 (a mismatched parameter in Structure Map will throw an exception). So it is good only if I stay with Unity. The problem is, I'm beginning to like Structure Map a lot more. So now I go onto yet another option: class Foobar : IFoobar, IFoobarInit { public Foobar(ILogger log){...}; public IFoobar IFoobarInit.Initialize(string alpha, int omega){ this.alpha = alpha; this.omega = omega; return this; } } //now create it... IFoobar foo = myContainer.resolve<IFoobarInit>().Initialize("one", 2) Now with this I've got a somewhat nice compromise with the other approaches: (1) My arguments are type-safe / intellisense aware (2) I have a choice of fetching the ILogger via DI (shown above) or service locator, (3) there is no need to make one or more seperate concrete FoobarFactory classes (contrast with the verbose "boiler-plate" example code earlier), and (4) it reasonably upholds the principle "make interfaces easy to use correctly, and hard to use incorrectly." At least it arguably is no worse than the alternatives previously discussed. One acceptance barrier yet remains: I also want to apply "design by contract." Every sample I presented was intentionally favoring constructor injection (for state dependencies) because I want to preserve "invariant" support as most commonly practiced. Namely, the invariant is established when the constructor completes. In the sample above, the invarient is not established when object construction completes. As long as I'm doing home-grown "design by contract" I could just tell developers not to test the invariant until the Initialize(...) method is called. But more to the point, when .net 4.0 comes out I want to use its "code contract" support for design by contract. From what I read, it will not be compatible with this last approach. Curses! Of course it also occurs to me that my entire philosophy is off. Perhaps I'd be told that conjuring a Foobar : IFoobar via a service locator implies that it is a service - and services only have other service dependencies, they don't have state dependencies (such as the Alpha and Omega of these examples). I'm open to listening to such philosophical matters as well, but I'd also like to know what semi-authorative reference to read that would steer me down that thought path. So now I turn it to the community. What approach should I consider that I havn't yet? Must I really believe I've exhausted my options?

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• Issue with VMWare vSphere and NFS: re occurring apd state

  - by Bastian N.

  I am experiencing issues with VMWare vSphere 5.1 and NFS storage on 2 different setups, which result in an "All Path Down" state for the NFS shares. This first happened once or twice a day, but lately it occurs much more frequent, as specially when Acronis Backup jobs are running. Setup 1 (Production): 2 ESXi 5.1 hosts (Essentials Plus) + OpenFiler with NFS as storage Setup 2 (Lab): 1 ESXi 5.1 host + Ubuntu 12.04 LTS with NFS as storage Here is an example from the vmkernel.log: 2013-05-28T08:07:33.479Z cpu0:2054)StorageApdHandler: 248: APD Timer started for ident [987c2dd0-02658e1e] 2013-05-28T08:07:33.479Z cpu0:2054)StorageApdHandler: 395: Device or filesystem with identifier [987c2dd0-02658e1e] has entered the All Paths Down state. 2013-05-28T08:07:33.479Z cpu0:2054)StorageApdHandler: 846: APD Start for ident [987c2dd0-02658e1e]! 2013-05-28T08:07:37.485Z cpu0:2052)NFSLock: 610: Stop accessing fd 0x410007e4cf28 3 2013-05-28T08:07:37.485Z cpu0:2052)NFSLock: 610: Stop accessing fd 0x410007e4d0e8 3 2013-05-28T08:07:41.280Z cpu1:2049)StorageApdHandler: 277: APD Timer killed for ident [987c2dd0-02658e1e] 2013-05-28T08:07:41.280Z cpu1:2049)StorageApdHandler: 402: Device or filesystem with identifier [987c2dd0-02658e1e] has exited the All Paths Down state. 2013-05-28T08:07:41.281Z cpu1:2049)StorageApdHandler: 902: APD Exit for ident [987c2dd0-02658e1e]! 2013-05-28T08:07:52.300Z cpu1:3679)NFSLock: 570: Start accessing fd 0x410007e4d0e8 again 2013-05-28T08:07:52.300Z cpu1:3679)NFSLock: 570: Start accessing fd 0x410007e4cf28 again As long as the issue occurred once or twice a day it really wasn't a problem, but now this issue has impact on the VMs. The VMs get slow or even hang, resulting in a reset through vCenter in the production environment. I searched the web extensively and asked in forums, but till now nobody was able to help me. Based on blog posts and VMWare KB articles I tried the following NFS settings: Net.TcpipHeapSize = 32 Net.TcpipHeapMax = 128 NFS.HartbeatFrequency = 12 NFS.HartbeatMaxFailures = 10 NFS.HartbeatTimeout = 5 NFS.MaxQueueDepth = 64 Instead of NFS.MaxQueueDepth = 64 I already tried other settings like NFS.MaxQueueDepth = 32 or even NFS.MaxQueueDepth = 1. Unfortunately without any luck. It would be great if someone could help me on this issue. It is really annoying. Thanks in advance for all the help. [UPDATE] As I explained in the comment below, here is the network setup: On the production setup the NFS traffic is bound to a separate VLAN with ID 20. I am using a HP 1810 24 Port Switch. The OpenFiler system is connected to the VLAN with 4 Intel GbE NICs with dynamic LACP. The ESXis both have 4 Intel GbE NICs using 2 static LACP trunks containing 2 NICs each. One pair is connected to the regular LAN and the other one to the VLAN 20. And here is a screenshot of the vSwitch: Switch configuration: Port configuration: On the lab setup its a single Intel NIC on each side without VLAN, but with different IP subnet.

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• iPhone -- MKReverseGeocoder.adminstrativeArea -- getting state abbreviation

  - by rayjohannessen

  In the documentation for MKReverseGeocoder, the administrativeArea property gives you the current state the user is in, and it mentions in an example that it returns EITHER the state name OR its abbreviation. I am wondering if anyone knows how to get the abbreviation instead of the full state name...I have been able to find nothing that shows this is even a possibility besides that brief example that doesn't mention HOW. Thanks!

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• implementing a state machine using the "yield" keyword

  - by Matt Warren

  Is it feasible to use the yield keyword to implement a simple state machine as shown here. To me it looks like the C# compiler has done the hard work for you as it internally implements a state machine to make the yield statement work. Can you piggy-back on top of the work the compiler is already doing and get it to implement most of the state machine for you? Has anyone done this, is it technically possible?

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• Debian Lenny - network interfaces(eth) are in DOWN state

  - by pachanga

  Folks, I'm facing a very weird problem with one of my production servers(it's Debian Lenny) - after reboot network interfaces(eth0,eth1) are in DOWN state. Looks like an Intel based networking adapter is installed on the server, lspci lists it as follows: Ethernet controller: Intel Corporation Device 10c9 (rev 01) The kernel driver responsible for this adapter is "igb". I tried "modprobe -r igb && modprobe igb", network interfaces first disappear then appear, but they are in DOWN state again. What could go wrong? It used to be working just fine. How can this be fixed?

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• Determine toggle state

  - by Dee

  How to determine toggle state

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• mod_jk fails to detect error state because JBoss gives 404, not 500

  - by Ilya Sher

  Configuration: Apache + mod_jk, several workers on other machines (load balancing). When JBoss fails to deploy an application for example because of failed connection to the database, requests to /myapp/somepage generate 404. How do I configure JBoss to return 500 for everything under /myapp when the application failed to deploy? Additional info: Since 404 is not an "error state" code, mod_jk does not mark the worker as failed and continues to route the traffic there. Since there might be valid requests to this application also generating 404, I can not configure mod_jk to treat 404 as an "error state"

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• Socks5 proxy "Dante" leaves many child processes stuck in FIN_WAIT2 / CLOSE_WAIT state

  - by Asad R.

  I'm running dante v1.2.1 as a SOCKS proxy server. The proxy works fine but at the end of the day there are around 40-50 or more child processes of sockd running even though there are no active connections. lsof shows that the child processes all have sockets in the CLOSE_WAIT and FIN_WAIT2 state. These child processes stay in this state unless I manually killall/restart the daemon. I'm running Gentoo Linux on a 2.6.24-23-xen kernel. I recently upgraded from dante v1.1.19-r4 which was giving me the exact same problem. Is this a configuration issue with Dante, my system, or is it a coding issue in the dante code?

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