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• CodePlex Daily Summary for Thursday, April 22, 2010

  CodePlex Daily Summary for Thursday, April 22, 2010New ProjectsAllegiance Modulus: - Display a list of all mods (installed/not installed/downloadable) - Allow user to install a mod - Allow a user to uninstall a mod - Keep backups ...Chatterbot JBot: PL: Program sieciowy JBot jest chatterbotem. EN: Network program JBot is chatterbot.Composite WPF Extensions: Extensions to Composite Client Application Library for WPFDwarrowdelf: Game concept in progressEntourage FrameG: Entourage lets users quickly and easily edit and create text . You will no longer have to download and install huge files and Entourage is 0% overw...FMon: file monGeckoBrowser: GeckoBrowser is a plugin for the great HTPC software MediaPortal. GeckoBrowser is a integrated WebBrowser for MediaPortal. It uses the Firefox (Gec...General Watcher: Watches things from the config file.GeoUtility Library: GeoUtility is an easy to use coordinate conversion library. It can be used for desktop/web development in CLI implementations like .NET, MONO. Supp...HidLib C++/CLR: HibLib is a USB Hid Communications Library written in C++/CLR IJW for the closest library you can get to a native USB Hid library. The project curr...HTML Shot: Server side component that generates a png/jpg image from arbitrary html code sent from the browser. Provides a quick way to enable printing arbit...MetaTagger: Core: MetaTagger: Core is a core set of meta data tagging libraries for use with .Net applicationsMUD--: MUD-- is a remake of MUD++ which never left devolution. MUD-- is a OOP oriented C++ MUD library, it is still in the planning stage. OpenLigaDB-Databrowser: A Silverlight 4-based Databrowser for the Community-Sportsdata-Webservice www.OpenLigaDB.deReduce Image to Specified Black Pixel Count: Takes in a picure path and an int n, and saves a white bitmap with the darkest n pixels from the image black. Posting this so that I can referen...Salient.MachineKeyUtils: Wraps encryption and password related functions from MachineKey, CookieProtectionHelper and MembershipProvider for use in other scenarios.Silverlight WebRequestHelper: WebRequestHelper is a very simple helper project, created for using HttWebRequest in Silverlight in a very simple and easiest way.Splinger FrameXi: Splinger FrameXi makes spelling a doddle with a huge and getting larger directory with LOADS of people contributing to make it the best in its field!SQL Server and SQL Azure Performance Testing: Enzo SQL Baseline: Run SQL statements in SQL Azure (or SQL Server) and capture performance metrics of your SQL statements (reads, writes, CPU...) against multiple dat...Sql Utils: A series of Java-based SQL import/export utilsSuggested Resources for .NET Developers: Suggested Resources is a proof of concept in aggregation of online content inside Visual Studio and analysis of a developers work, in order to sugg...SupportRoot: SupportRoot is a minimal helpdesk ticketing system focusing on speed and efficiency.Translate !t: Translate !t translates Image/Text containing English, German, French & Spanish to many different languages using Bing Translator. WCF Lab: To demonstrate different connectivity scenarios using WCF servicesWebAPP - Automated Perl Portal: Web portal system written in Perl. Full featured and multilingual.WIM4LAB: Laboratory Information Management System. ASP.NET C# MSSQL2005New Releases3D TagCloud for SharePoint 2010: 3D TagCloud v1.0: This realease contains the webpart itself.Bluetooth Radar: Version 2.1: Fix - "Right Click Crashes the application" bug Change OBX to push send Add current bluetooth device information + change device radiomode Ad...DirectQ: Release 1.8.3b: Contains updates and improvements to 1.8.3a. This should really be 1.8.4 given the extent of the changes, but I don't want to confuse a version nu...DotNetNuke® Store: 02.01.32 RC: What's New in this release? New Features: - A new setting 'Secure Cookie' in the Store Admin module allow to encrypt cookie values. Only the curren...Entourage FrameG: entourage frameg 1.0: Complete starter for entourageframeg.html enclosed as startentouragehtml.html and here you can find test CSS files and more! EXTRACT ALL FILES FROM...Entourage FrameG: FIMYID PRO: fimyid- find-my-id. YOU MUST download hidden.js and have the web server .pl file ready!Event Scavenger: Viewer version 3.0.1: Fixed an issue with the Viewer with highlighting not working properly (due to code rearranging from old version to new one for CodePlex). Viewer ve...FMon: First Edition: First EditionFolder Bookmarks: Folder Bookmarks 1.5.6: This is the latest version of Folder Bookmarks (1.5.6), with the new Quick Add feature and bug fixes. It has an installer that will create a direct...GameStore League Manager: League Manager 1.0.6: Bug fixes for bugs found in 1.0.5 and earlier. Fixes the crashing bug when a membership number of more than 6 digits is entered. Changes the dat...GeckoBrowser: GeckoBrowser v0.1 - RAR Package: GeckoBrowser Release v0.1.0.2 Please read Plugin installation for installation instructions.HTML Shot: Initial Source Code Release: Zip file includes a VS 2008 solution with two projects HTMLShot DLL project HTMLShot sample websiteMapWindow6: MapWindow 6.0 msi April 21: This version includes the latest bug fixes. This also includes the beginnings of some fixes that update the projection library to return NaN value...METAR.NET Decoder: Release 0.5.x (replacement of 0.4.x): Release 0.4.x was upgraded to 0.5.x due to major error issue included in previous one. Release Notes First public release. Main of the application...MongoMvc - A NoSQL Demo App with ASP.NET MVC: MongoMVC: A NoSql demo app using MongoDB, NoRM and ASP.NET MVCPanBrowser: 1.2.1: updated to FSharp 2.0.0.0PokeIn Comet Ajax Library: Chat Sample of PokeIn CS2010: C# Sample of PokeIn. You need to download the latest PokeIn Library and add to project as a reference to run this samplePokeIn Comet Ajax Library: Chat Sample VB 2010: VB.NET Sample of PokeIn. You need to download the latest PokeIn Library and add to project as a reference to run this sampleProject Santa: Project Santa v1.1: fixed some errors created from last minute adjustments. progress bar is now completely functional. added much more error checking. cleaned up some...RoTwee: RoTwee (11.0.0.1): Version for update to .NET Framework 4.0Sem.GenericTools.ProjectSettings: 2010-04-21 ProjectSettings Ex-Importer: Exports and imports project settings from/to CSV files. This release does fix the issue of missing/misordered build types in project files. Also th...Sharepoint Permissions Manager: Version 0.2: Added support of both WSS3.0 and MOSS2007Silverlight WebRequestHelper: WebRequestHelper 1.0: The usage of this project is so simple. all you need to do is following: WebRequest webRequest = WebRequest.Create("http://api.twitte...SilverlightFTP: SilverlightFTP Beta ENG: English version, fixed copy-paste.sNPCedit: sNPCedit v0.8b (Alpha): + Added: support for version 5 (will be imported and saved as version 10) + Fixed: order of chinese week days in event section (week starts with su...Splinger FrameXi: Splinger FrameXi 1.0: DOWNLOAD ALLLL FILES and start in Splinger FrameXi.html . EXTRACT ALL FILES FROM .ZIP ARCHIVE!!!!SQL Server and SQL Azure Performance Testing: Enzo SQL Baseline: Enzo SQL Baseline 1.0: Use this download to install and deploy the sample application and its source code. The installer gives you the option to install the Windows appli...StoreManagement: v1: First (and probably final) version. Should be stable.TFS WitAdminUI: some bug fixed: When project name includes empty space, error fire. So i fix. Download zip file and unzip to TFS2010 or TFS2008. And Excute WitAdminUI.exe. Becaus...TFTP Server: TFTP Server 1.1 Installer: Release 1.1 of the Managed TFTP Server. New Features: Runs as windows service. Supports multiple TFTP servers on different endpoints, each servi...Thinktecture.IdentityModel: Thinktecture.IdentityModel v0.8: Updated version - includes the plumbing for REST/OData Services and UI authorization.Translate !t: Translate !t[Setup]: Translate !tSetupTranslate !t: Translate !t[Source Code]: Translate !tSource CodeWatchersNET CKEditor™ Provider for DotNetNuke: CKEditor Provider 1.10.02: BETA small fixesWeb Service Software Factory: Web Service Software Factory 2010 Beta: To use the Web Service Software Factory 2010, you need the following software installed on your computer: • Microsoft Visual Studio 2010 (Ultima...Windows Workflow Foundation on Codeplex: WF ADO.NET Activity Pack CTP 1: WF ADO.NET Activity Pack CTP 1 The Microsoft WF ADO.NET Activity Pack CTP 1 is the first community technology preview (CTP) release of ADO.NET acti...Windows Workflow Foundation on Codeplex: WF State Machine Activity Pack CTP 1: WF State Machine Activity Pack CTP 1The Microsoft WF State Machine Activity Pack CTP 1 is the first community technology preview (CTP) release of a...WPF Inspirational Quote Management System: Release 1.2.0: - Fixed non-working delete quote button. - Changed layout of quote edit page, font and colour. - Lightened background colour of settings page.WPF Inspirational Quote Management System: Release 1.2.1: - Only display an underline under Author links if a Reference URL is present.xlVBADevTools: 0.1 Two mostly inadequate tools...: Since I was blogging about it (), it seemed appropriate to upload LOCutus, in all its 2002 "glory" (hah!) and make it available for download.XP-More: 0.9.5: Added support for saved state files (.vsv) Added version updates check Added a check to make sure the assumed VM folder exists (this will be do...Most Popular ProjectsRawrWBFS ManagerSilverlight ToolkitAJAX Control ToolkitMicrosoft SQL Server Product Samples: DatabaseWindows Presentation Foundation (WPF)patterns & practices – Enterprise LibraryASP.NETMicrosoft SQL Server Community & SamplesPHPExcelMost Active Projectspatterns & practices – Enterprise LibraryRawrBlogEngine.NETFarseer Physics EngineDotNetZip LibraryNB_Store - Free DotNetNuke Ecommerce Catalog ModulePHPExcelGMap.NET - Great Maps for Windows Forms & PresentationIonics Isapi Rewrite FilterEsferatec.Text.RegularExpressions

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• What is the economic rationale behind programmers who work on a open source project (free) instead of a commercial project (not free)?

  - by Kim Jong Woo

  I can't understand why some people dedicate so much hour into a completely open source project without closing it and yielding greater profit from it. I don't think profiting from your code is evil, I think it's a great motivator. Why do some people feel that commercial software and generating money from it is bad? There seems to be this black and white thinking that open source = good, commercial = bad. I hardly find this convincing, and often commercial companies which are supported by sales produce very good results. An open source software in the same niche can't compete against the corporation. Of course, sometimes this is completely the other way around where private companies produce inferior product compared to open source counterparts. So help me understand, why do programmers open source their code when there is commercial prospects for it? Shouldn't the rational programmer or human being make every effort to capitalize on their opportunity cost? Working on a open source project for months when you could've spent the same number of hours at commidity wage or some other monetary compensation?

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• Imperative vs. LINQ Performance on WP7

  - by Bil Simser

  Jesse Liberty had a nice post presenting the concepts around imperative, LINQ and fluent programming to populate a listbox. Check out the post as it’s a great example of some foundational things every .NET programmer should know. I was more interested in what the IL code that would be generated from imperative vs. LINQ was like and what the performance numbers are and how they differ. The code at the instruction level is interesting but not surprising. The imperative example with it’s creating lists and loops weighs in at about 60 instructions. .csharpcode, .csharpcode pre { font-size: small; color: black; font-family: consolas, "Courier New", courier, monospace; background-color: #ffffff; /*white-space: pre;*/ } .csharpcode pre { margin: 0em; } .csharpcode .rem { color: #008000; } .csharpcode .kwrd { color: #0000ff; } .csharpcode .str { color: #006080; } .csharpcode .op { color: #0000c0; } .csharpcode .preproc { color: #cc6633; } .csharpcode .asp { background-color: #ffff00; } .csharpcode .html { color: #800000; } .csharpcode .attr { color: #ff0000; } .csharpcode .alt { background-color: #f4f4f4; width: 100%; margin: 0em; } .csharpcode .lnum { color: #606060; } 1: .method private hidebysig instance void ImperativeMethod() cil managed 2: { 3: .maxstack 3 4: .locals init ( 5: [0] class [mscorlib]System.Collections.Generic.IEnumerable`1<int32> someData, 6: [1] class [mscorlib]System.Collections.Generic.List`1<int32> inLoop, 7: [2] int32 n, 8: [3] class [mscorlib]System.Collections.Generic.IEnumerator`1<int32> CS$5$0000, 9: [4] bool CS$4$0001) 10: L_0000: nop 11: L_0001: ldc.i4.1 12: L_0002: ldc.i4.s 50 13: L_0004: call class [mscorlib]System.Collections.Generic.IEnumerable`1<int32> [System.Core]System.Linq.Enumerable::Range(int32, int32) 14: L_0009: stloc.0 15: L_000a: newobj instance void [mscorlib]System.Collections.Generic.List`1<int32>::.ctor() 16: L_000f: stloc.1 17: L_0010: nop 18: L_0011: ldloc.0 19: L_0012: callvirt instance class [mscorlib]System.Collections.Generic.IEnumerator`1<!0> [mscorlib]System.Collections.Generic.IEnumerable`1<int32>::GetEnumerator() 20: L_0017: stloc.3 21: L_0018: br.s L_003a 22: L_001a: ldloc.3 23: L_001b: callvirt instance !0 [mscorlib]System.Collections.Generic.IEnumerator`1<int32>::get_Current() 24: L_0020: stloc.2 25: L_0021: nop 26: L_0022: ldloc.2 27: L_0023: ldc.i4.5 28: L_0024: cgt 29: L_0026: ldc.i4.0 30: L_0027: ceq 31: L_0029: stloc.s CS$4$0001 32: L_002b: ldloc.s CS$4$0001 33: L_002d: brtrue.s L_0039 34: L_002f: ldloc.1 35: L_0030: ldloc.2 36: L_0031: ldloc.2 37: L_0032: mul 38: L_0033: callvirt instance void [mscorlib]System.Collections.Generic.List`1<int32>::Add(!0) 39: L_0038: nop 40: L_0039: nop 41: L_003a: ldloc.3 42: L_003b: callvirt instance bool [mscorlib]System.Collections.IEnumerator::MoveNext() 43: L_0040: stloc.s CS$4$0001 44: L_0042: ldloc.s CS$4$0001 45: L_0044: brtrue.s L_001a 46: L_0046: leave.s L_005a 47: L_0048: ldloc.3 48: L_0049: ldnull 49: L_004a: ceq 50: L_004c: stloc.s CS$4$0001 51: L_004e: ldloc.s CS$4$0001 52: L_0050: brtrue.s L_0059 53: L_0052: ldloc.3 54: L_0053: callvirt instance void [mscorlib]System.IDisposable::Dispose() 55: L_0058: nop 56: L_0059: endfinally 57: L_005a: nop 58: L_005b: ldarg.0 59: L_005c: ldfld class [System.Windows]System.Windows.Controls.ListBox PerfTest.MainPage::LB1 60: L_0061: ldloc.1 61: L_0062: callvirt instance void [System.Windows]System.Windows.Controls.ItemsControl::set_ItemsSource(class [mscorlib]System.Collections.IEnumerable) 62: L_0067: nop 63: L_0068: ret 64: .try L_0018 to L_0048 finally handler L_0048 to L_005a 65: } 66:   67: Compare that to the IL generated for the LINQ version which has about half of the instructions and just gets the job done, no fluff. .csharpcode, .csharpcode pre { font-size: small; color: black; font-family: consolas, "Courier New", courier, monospace; background-color: #ffffff; /*white-space: pre;*/ } .csharpcode pre { margin: 0em; } .csharpcode .rem { color: #008000; } .csharpcode .kwrd { color: #0000ff; } .csharpcode .str { color: #006080; } .csharpcode .op { color: #0000c0; } .csharpcode .preproc { color: #cc6633; } .csharpcode .asp { background-color: #ffff00; } .csharpcode .html { color: #800000; } .csharpcode .attr { color: #ff0000; } .csharpcode .alt { background-color: #f4f4f4; width: 100%; margin: 0em; } .csharpcode .lnum { color: #606060; } 1: .method private hidebysig instance void LINQMethod() cil managed 2: { 3: .maxstack 4 4: .locals init ( 5: [0] class [mscorlib]System.Collections.Generic.IEnumerable`1<int32> someData, 6: [1] class [mscorlib]System.Collections.Generic.IEnumerable`1<int32> queryResult) 7: L_0000: nop 8: L_0001: ldc.i4.1 9: L_0002: ldc.i4.s 50 10: L_0004: call class [mscorlib]System.Collections.Generic.IEnumerable`1<int32> [System.Core]System.Linq.Enumerable::Range(int32, int32) 11: L_0009: stloc.0 12: L_000a: ldloc.0 13: L_000b: ldsfld class [System.Core]System.Func`2<int32, bool> PerfTest.MainPage::CS$<>9__CachedAnonymousMethodDelegate6 14: L_0010: brtrue.s L_0025 15: L_0012: ldnull 16: L_0013: ldftn bool PerfTest.MainPage::<LINQProgramming>b__4(int32) 17: L_0019: newobj instance void [System.Core]System.Func`2<int32, bool>::.ctor(object, native int) 18: L_001e: stsfld class [System.Core]System.Func`2<int32, bool> PerfTest.MainPage::CS$<>9__CachedAnonymousMethodDelegate6 19: L_0023: br.s L_0025 20: L_0025: ldsfld class [System.Core]System.Func`2<int32, bool> PerfTest.MainPage::CS$<>9__CachedAnonymousMethodDelegate6 21: L_002a: call class [mscorlib]System.Collections.Generic.IEnumerable`1<!!0> [System.Core]System.Linq.Enumerable::Where<int32>(class [mscorlib]System.Collections.Generic.IEnumerable`1<!!0>, class [System.Core]System.Func`2<!!0, bool>) 22: L_002f: ldsfld class [System.Core]System.Func`2<int32, int32> PerfTest.MainPage::CS$<>9__CachedAnonymousMethodDelegate7 23: L_0034: brtrue.s L_0049 24: L_0036: ldnull 25: L_0037: ldftn int32 PerfTest.MainPage::<LINQProgramming>b__5(int32) 26: L_003d: newobj instance void [System.Core]System.Func`2<int32, int32>::.ctor(object, native int) 27: L_0042: stsfld class [System.Core]System.Func`2<int32, int32> PerfTest.MainPage::CS$<>9__CachedAnonymousMethodDelegate7 28: L_0047: br.s L_0049 29: L_0049: ldsfld class [System.Core]System.Func`2<int32, int32> PerfTest.MainPage::CS$<>9__CachedAnonymousMethodDelegate7 30: L_004e: call class [mscorlib]System.Collections.Generic.IEnumerable`1<!!1> [System.Core]System.Linq.Enumerable::Select<int32, int32>(class [mscorlib]System.Collections.Generic.IEnumerable`1<!!0>, class [System.Core]System.Func`2<!!0, !!1>) 31: L_0053: stloc.1 32: L_0054: ldarg.0 33: L_0055: ldfld class [System.Windows]System.Windows.Controls.ListBox PerfTest.MainPage::LB2 34: L_005a: ldloc.1 35: L_005b: callvirt instance void [System.Windows]System.Windows.Controls.ItemsControl::set_ItemsSource(class [mscorlib]System.Collections.IEnumerable) 36: L_0060: nop 37: L_0061: ret 38: } Again, not surprising here but a good indicator that you should consider using LINQ where possible. In fact if you have ReSharper installed you’ll see a squiggly (technical term) in the imperative code that says “Hey Dude, I can convert this to LINQ if you want to be c00L!” (or something like that, it’s the 2010 geek version of Clippy). What about the fluent version? As Jon correctly pointed out in the comments, when you compare the IL for the LINQ code and the IL for the fluent code it’s the same. LINQ and the fluent interface are just syntactical sugar so you decide what you’re most comfortable with. At the end of the day they’re both the same. Now onto the numbers. Again I expected the imperative version to be better performing than the LINQ version (before I saw the IL that was generated). Call it womanly instinct. A gut feel. Whatever. Some of the numbers are interesting though. For Jesse’s example of 50 items, the numbers were interesting. The imperative sample clocked in at 7ms while the LINQ version completed in 4. As the number of items went up, the elapsed time didn’t necessarily climb exponentially. At 500 items they were pretty much the same and the results were similar up to about 50,000 items. After that I tried 500,000 items where the gap widened but not by much (2.2 seconds for imperative, 2.3 for LINQ). It wasn’t until I tried 5,000,000 items where things were noticeable. Imperative filled the list in 20 seconds while LINQ took 8 seconds longer (although personally I wouldn’t suggest you put 5 million items in a list unless you want your users showing up at your door with torches and pitchforks). Here’s the table with the full results. Method/Items 50 500 5,000 50,000 500,000 5,000,000 Imperative 7ms 7ms 38ms 223ms 2230ms 20974ms LINQ/Fluent 4ms 6ms 41ms 240ms 2310ms 28731ms Like I said, at the end of the day it’s not a huge difference and you really don’t want your users waiting around for 30 seconds on a mobile device filling lists. In fact if Windows Phone 7 detects you’re taking more than 10 seconds to do any one thing, it considers the app hung and shuts it down. The results here are for Windows Phone 7 but frankly they're the same for desktop and web apps so feel free to apply it generally. From a programming perspective, choose what you like. Some LINQ statements can get pretty hairy so I usually fall back with my simple mind and write it imperatively. If you really want to impress your friends, write it old school then let ReSharper do the hard work for! Happy programming!

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• Minty Bug: Build an FM Bug Inside a Mint Container

  - by ETC

  Electronics projects that have real world (and showing off to your friends) potential are the most fun; today we take a look at a clever FM bug design hidden in a mint container. At PyroElectro Projects they wanted to try something new with the whole electronics-in-mint-container genre. They opted to turn a container of Ice Breakers Frost mints (the Ice Breakers response to Altoid Mints, presumably) into a small FM bug. The most clever part of the design is that the container still holds mints. Aside from a small black dot on the back of the case you’d have little reason to believe it was anything buy a box of mints. Check out the video below to see the mint container unpacked and the hidden electronics payload revealed: If you’re interested in the project hit up the link below for additional information. FM Bug Transmitter Mint Box [Pyro Electro Projects via Hack A Day] Latest Features How-To Geek ETC How to Get Amazing Color from Photos in Photoshop, GIMP, and Paint.NET Learn To Adjust Contrast Like a Pro in Photoshop, GIMP, and Paint.NET Have You Ever Wondered How Your Operating System Got Its Name? Should You Delete Windows 7 Service Pack Backup Files to Save Space? What Can Super Mario Teach Us About Graphics Technology? Windows 7 Service Pack 1 is Released: But Should You Install It? Get the MakeUseOf eBook Guide to Hacker Proofing Your PC Sync Your Windows Computer with Your Ubuntu One Account [Desktop Client] Awesome 10 Meter Curved Touchscreen at the University of Groningen [Video] TV Antenna Helper Makes HDTV Antenna Calibration a Snap Turn a Green Laser into a Microscope Projector [Science] The Open Road Awaits [Wallpaper]

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• links for 2010-06-03

  - by Bob Rhubart

  @rluttikhuizen: Fault handling in Oracle SOA Suite 11g "When it comes to technical faults," says  Oracle ACE Ronald van Luttikhuizen, "you probably do not want to design error handling in the process itself." (tags: soa oracleace oracle otn) Adrian Campbell: Enterprise Architecture and Zombies EA blogger Adrian Campbell invokes Harry Potter, the Lord of the Rings, Black Adder, and "Pride and Prejudice and Zombies" in this interpretation of Gartner's 10 EA pitfalls. (tags: entarch zombies gartner) Nathalie Roman: Oracle Forms -- alive and kicking Oracle ACE Director Nathalie Roman offers details on a recent Oracle Forms Modernization seminar.  (tags: oracle otn oracleace fusionmiddleware soa) Trond-Arne Undheim: Is Openness at the heart of the EU Digital Agenda? Trond-Arne Undheim shares some insight into the upcoming OpenForum Europe Summit 2010, to be held in Brussels. (tags: oracle otn entarch architect) Chris Raby: Oracle Financial Analytics Presentations and Photos Chris Raby shares details on Rittman Mead's series of seminars that combine the company's in-depth technical knowledge with a greater focus on the business perspective.  (tags: entarch bi architect oracle otn) June Oracle Technology Network NEW Member Benefits - books books and more books!!! Details on how OTN members can get discounts on books from APress, CRC, Pearson, and Packt Publishing.  (tags: oracle otn community books discounts) Manoj Neelapu: Oracle Service Bus + SOA in same server Manoj Neelapu's  tutorial covers on how to do create a domain in which SOA and Oracle Service Bus run in a single JVM . (tags: oracle otn soa architect)

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• Ubuntu 14.04 boot error on Windows 8.1 - SYSLINUX 4.07 EDD

  - by nainai

  I want to replace Windows 8.1 that came with my laptop with Ubuntu 14.04. I keep getting a black screen with this line: SYSLINUX 4.07 EDD 2013-07-25 Copyright (C) 1994-2013 H. Peter Anvin et al Things I did before: turned off fast boot disabled secure boot switched to Legacy instead of UEFI (even though a tutorial I found said this isn't really needed anymore, I still did anyway because I read it from the laptop's user guide: "If you need to install a legacy operating system, such as Windows (that is, any operating system before Windows 8), Linux or Dos, etc on your computer, you must change the boot mode to Legacy support." I chose to load from USB. and then that SYSLINUX 4.77 EDD.... appears I tried to install using the same USB on an old Lenovo S10-3. It worked. Though that S10-3 runs Lubuntu. Still it's probably safe to say that it's not the USB that has problems, right? Thanks for any help. I can't wait to have Ubuntu :) edit: This might be useful info. The USB is 16GB X-Stor Fat32. I used YUMI.

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• Ubuntu can't find the correct max resolution with Samsung SyncMaster SA300

  - by fatmatto

  i decided to install ubuntu also on my desktop PC (Windows has been exorcised from my life) but i am having some problems i didn't have with previous hardware configurations. My display is a Samsung SyncMaster SA300, on windows vista the maximum resolution (1920x1080) worked well, but now, ubuntu (after installing fglrx drivers) tells me that the maximum resolution is 1600x1200 I googled a lot last night, and i found a lot of people solving this (on different displays though) with xrandr. I was not able to do it, because xrandr keep complaining "you goddamn maximum resolution is 1600x1600". What xranrd clean command say is: mattia@fatdesktop:~$ xrandr Screen 0: minimum 320 x 200, current 1600 x 1200, maximum 1600 x 1600 DFP1 disconnected (normal left inverted right x axis y axis) CRT1 disconnected (normal left inverted right x axis y axis) CRT2 connected 1600x1200+0+0 (normal left inverted right x axis y axis) 0mm x 0mm 1600x1200 60.0*+ 1400x1050 60.0 1280x1024 60.0 47.0 43.0 1440x900 59.9 1280x960 60.0 1280x800 60.0 1152x864 60.0 47.0 43.0 1280x768 59.9 56.0 1280x720 60.0 50.0 1024x768 60.0 43.5 800x600 60.3 56.2 47.0 720x576 50.0 720x480 60.0 640x480 60.0 TV disconnected (normal left inverted right x axis y axis) CV disconnected (normal left inverted right x axis y axis) Then according to other internet posts and forums: mattia@fatdesktop:~$ cvt 1920 1080 60 # 1920x1080 59.96 Hz (CVT 2.07M9) hsync: 67.16 kHz; pclk: 173.00 MHz Modeline "1920x1080_60.00" 173.00 1920 2048 2248 2576 1080 1083 1088 1120 -hsync +vsync So now i have to add that modeline mattia@fatdesktop:~$ xrandr --newmode "1920x1080_60.00" 173.00 1920 2048 2248 2576 1080 1083 1088 1120 -hsync +vsync mattia@fatdesktop:~$ xrandr --addmode CRT2 1920x1080_60.00 And here comes the pain: mattia@fatdesktop:~$ xrandr --output CRT2 --mode 1920x1080_60.00 xrandr: **screen cannot be larger than 1600x1600 (desired size 1920x1080)** See? screen cannot be larger than 1600x1600 (desired size 1920x1080) At this point, the 1920x1080 option appears inside the resolution choice menu (the graphical one). But last night, when i tried to select it, my screen went black, and i had to power off the pc. Any clues? am i on the wrong path?

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• Friday Fun: Vehicles

  - by Mysticgeek

  Friday has finally arrived and it’s time to ignore spreadsheets and TPS reports and waste time playing a flash game. Today we take a look at the fun puzzle game called Vehicles. Vehicles This is a fun game with cartoon style graphics where you navigate vehicles to solve different puzzles. You navigate the vehicles through different puzzle situations by clicking on them with your mouse. You’re given basic instructions on how to complete each level. You’ll need to strategically place the vehicles so you can knock the black vehicles off the screen. As you progress up the levels, they become more challenging and if you need to, you can restart it at any time. Since it’s Friday, and you’re sick of your job, Vehicles is a fun puzzle game to keep your mind of the boringness of work until it’s time for weekend freedom. Play Vehicles at FreeWebArcade Similar Articles Productive Geek Tips Friday Fun: Relieve Workweek Frustration Playing Mad MondayFriday Fun: Uphill RushFriday Fun: Battlefield HeroesFriday Fun: Portal, the Flash VersionFriday Fun: Play 3D Rally Racing in Google Chrome TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips VMware Workstation 7 Acronis Online Backup DVDFab 6 Revo Uninstaller Pro FetchMp3 Can Download Videos & Convert Them to Mp3 Use Flixtime To Create Video Slideshows Creating a Password Reset Disk in Windows Bypass Waiting Time On Customer Service Calls With Lucyphone MELTUP – "The Beginning Of US Currency Crisis And Hyperinflation" Enable or Disable the Task Manager Using TaskMgrED

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• How to Remote View and Control Your Android Phone

  - by Jason Fitzpatrick

  If you’ve ever wished you could see your Android phone’s screen on your desktop or remote control it using your mouse and keyboard we’ll show you how in this simple guide to gaining remote access to your Android device. Why would you want to gain access? When you’re done with this tutorial you’ll be able to view your phone’s screen on your computer monitor which is great for: putting your Android notifications right along side other notification boxes on your monitor, using it like an on-monitor caller ID, and taking screenshots and screencasts. Also if your phone is rooted (and it should be! rooting unlocks so many great features) you’ll gain the ability to use your computer’s keyboard and mouse to control your Android phone. Remote keyboard/mouse control is great for inputting data on the tiny screen without needing to peck at the on-screen keyboard. Latest Features How-To Geek ETC RGB? CMYK? Alpha? What Are Image Channels and What Do They Mean? How to Recover that Photo, Picture or File You Deleted Accidentally How To Colorize Black and White Vintage Photographs in Photoshop How To Get SSH Command-Line Access to Windows 7 Using Cygwin The How-To Geek Video Guide to Using Windows 7 Speech Recognition How To Create Your Own Custom ASCII Art from Any Image Google Cloud Print Extension Lets You Print Doc/PDF/Txt Files from Web Sites Hack a $10 Flashlight into an Ultra-bright Premium One Firefox Personas Arrive on Firefox Mobile Focus Booster Is a Sleek and Free Productivity Timer What is the Internet? From the Today Show January 1994 [Historical Video] Take Screenshots and Edit Them in Chrome and Iron Using Aviary Screen Capture

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• very long boot up with Ubuntu 10.04.4

  - by wt70707

  I installed Ubuntu 10.04.3 on Atom. Then I do the update and upgrade with: #apt-get update #apt-get upgrade #apt-get dist-upgrade The system can boot up now but in almost 2 minutes. After power on and system test, it will stop at "Verifying DMI pool data" for 10 seconds before the GRUB menu comes up. Then after the choosing of one item, to the start up of OS there is 100 seconds of black screen. The start up after that is normal and the operations in the system is also normal. I am concerned with if it is of hardware problem, or just some problem with the kernel. Also I want to know after "Verifying DMI pool data" what is done? And after we choose an item in GRUB menu, what does the system do? And where can I see the procedure of the whole boot up? The /var/log/boot.log is too simple, and this is it: fsck from util-linux-ng 2.17.2 fsck from util-linux-ng 2.17.2 /dev/mmcblk0p5: clean, ...... /dev/mmcblk0p1: clean, ...... * Starting AppArmor profiles Skipping profile in /etc/apparmor.d/disable: usr.bin.firefox OK] * Setting sensors limits OK]

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• Couldn't pass the signin screen

  - by Amokrane

  I have an issue here with my computer using ubuntu 10.10 on a 64 bits machine. When I start it, I have the login screen, I enter my credentials but instead of starting the session it reloads the login screen again. I checked the disc using fsck and it seems clean. How should I proceed to diagnose and repair this issue? Thanks! [Edit] I went to the log files, this is what I got: auth.log pam_unix (gdm:session): session opened for user amokrane by (uid=0) pam_ck_connector (gdm:session): nox11 mode, ignoring PAM_TTY :0 pam_unix (gdm:session) :session closed for user amokrane messages.log No ACPI video bus found I also took a shot with my camera of the black screen that appears between the two login screens, it says something like: fsck from util-linux-ng 2.17.2 /dev/sdc4 : propre, xxxx files, xxxx blocs Starting AppArmor profiles Skipping profiles in /etc/apparmor.d/disable: usr.bin.firefox Setting sensors limits Starting postgreSQL ... /var/log/Xorg.0.log [ 25.375] (II) intel(0): Modeline "1920x1080"x60.0 172.80 ... [ 28.850] (II) Power Button: Close [ 28.850] (II) UnloadModule: "evdev" [ 29.910] (II) Power Button: Close [ 28.910] (II) UnloadModule: "evdev" [ 28.941] (II) AT Translated Set 2 keyboard: Close [ 29.000] (II) ImPS/2 Generic Wheel Mouse: Close [ 29.000] (II) UnloadModule: "evdev" [ 29.039] ddxSigGiveUp: Closing log Update I tried the following: Ctrl-Alt-F1 on the login screen (to runt the console). sudo pkill startx sudo rm /tmp/.X0-locl startx But it tells me that the x server is already running.

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• Friday Fun: Play MineSweeper in Google Chrome

  - by Asian Angel

  Are you addicted to MineSweeper and love to play it when taking a break from work? Now you can add that mine sweeping goodness to Google Chrome with the Chrome MineSweeper extension. Find Those Mines! Once the extension has been installed simply click on the “Toolbar Button” to access the game (opens in a new tab). The “emoticons” at the top of the tab window indicate the difficulty level of game play available. Sometimes you can make quick progress in a short time with this game… Only to lose moments later. So you do have to plan your strategy out carefully. You will be surprised (or perhaps alarmed?) at just how quickly you get addicted to playing “just one more round”! Want a bigger challenge? Click on the “middle emoticon” to access a tougher level. The ultimate level…how much mine sweeping punishment are you up for?   Conclusion If you are a MineSweeper fan then this will be a perfect addition to your browser. For those who are new to this game then you have a lot of fun just waiting for you. Links Download the Chrome MineSweeper extension (Google Chrome Extensions) Similar Articles Productive Geek Tips How to Make Google Chrome Your Default BrowserPlay a New Random Game Each Day in ChromeEnable Vista Black Style Theme for Google Chrome in XPIncrease Google Chrome’s Omnibox Popup Suggestion Count With an Undocumented SwitchFriday Fun: Play 3D Rally Racing in Google Chrome TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips Revo Uninstaller Pro Registry Mechanic 9 for Windows PC Tools Internet Security Suite 2010 PCmover Professional YoWindoW, a real time weather screensaver Optimize your computer the Microsoft way Stormpulse provides slick, real time weather data Geek Parents – Did you try Parental Controls in Windows 7? Change DNS servers on the fly with DNS Jumper Live PDF Searches PDF Files and Ebooks

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• .Net Rocks Visual Studio 2010 Road Trip coming to Raleigh, NC May 6th

  - by Jim Duffy

  Listen up .NET developers within 50 miles of Research Triangle Park, NC!  Take out that red, blue, green, black or any other color Sharpie marker you fancy and circle May 6th! Fellow Microsoft Regional Directors Carl Franklin and Richard Campbell are going to be bringing the .Net Rocks Visual Studio 2010 Road Trip to town. What’s that you say, you’ve never been to a .Net Rocks Road Trip event and don’t know what to expect? Let me help with that. I stol… uhhh… I mean I was “inspired” by some content I found on the event information page. “Carl and Richard are loading up the DotNetMobile (a 30 foot RV) and driving to your town again to show off their favorite bits of Visual Studio 2010 and .NET 4.0! Richard talks about Web load testing and Carl talks about Silverlight 4.0 and multimedia. And to make the night even more fun, we’re going to bring a mystery rock star from the Visual Studio world to the event and interview them for a special .NET Rocks Road Trip show series. Along the way we’ll be giving away some great prizes, showing off some awesome technology and having a ton of laughs. So come out to the most fun you can have in a geeky evening – and learn a few things along the way about web load testing and Silverlight 4!“   I know I’ll be there so what are you waiting for? Head over to the event registration page and sign up today! Have a day. :-|

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• Login Screen returns to login screen

  - by AbeFM

  After many many reboots in a couple days while experimenting with BIOS settings effecting the speed Hardbrake runs at, today I find after a reboot that I have to type in password to log in - ordinarily I have this disabled. When I DO enter my password, it goes to a black screen for a bit, then returns. I can log in as guest, which does the same thing (minus the password) and if I use the wrong password, it complains instead of doing the same. Using the install disc, I see three partitions on my drive, a ~200 MB boot sector, and two 32 GB (one extended) which seem to share the rest of the SSD. Running FSCK seems to generate tons of errors. The odd bits: All my background stuff is running - I can access stuff served by Subsonic, and see network shares from my windows machines. I can log in in another terminal and do stuff... I just can't get into the GUI/OS proper. Sort of at a loss where to start. Would be happy to free drive of errors if I could (I've another machine, I could mount drive over USB and check it), but it seems everything else is working? edit: Screensaver also seems to kick on, even from fsck's run from the boot menu. i3-2100t, H67 chipset I believe, 12.10, everything's been working fine for the better part of a year. Seen several similar topics, but either they turn out to be something unrelated (fresh install or known graphics issues) or there are no answers. I'm happy to get any logs/info anyone want.

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• UEFI/GPT Win 7 Load Failure in Dual Boot and no GRUB2 [Ubuntu 12.04]

  - by cristian_jordache

  Configuration: MBB: ASRock X79 Extreme6 Win 7 installed on a INTEL 40GB SSD (GPT partitioned) Ubuntu 14.04 on a CORSAIR 30GB SSD (Ext4 and SWAP) I had Windows 7 installed previously in UEFI mode, using 3 partitions (GPT) and works fine if left alone. In UEFI BIOS settings I can see sometimes a "Windows Boot Manager" and other times (?) a "UEFI Intel" entry for INTEL HDD and Windows will boot properly selecting the one available at that time. I installed Ubuntu 14.04 after Win 7 w/o changing any UEFI BIOS settings and it works fine only if the BIOS is set w/ the Ubuntu partition as the first drive to boot, in AHCI mode. If both SSD drives are connected, the Win7 Intel boot drive can be chosen as first boot device but only as an "AHCI Intel drive" (No "Windows Boot Manager" nor "UEFI Intel device" options available in BIOS Boot menu) and Win7 will not load properly as long as the Ubuntu Crucial SSD is NOT PHYSICALLY DISCONNECTED. Windows will try, start booting for few seconds but will fail replacing Win7 logo and that startup animation with w/ the "old" white progress bar and then and will notify that there is a issue and prompt the user to try to Load Win 7 in Normal Mode again or try a Recovery Mode to fix it. If I let Windows INTEL HDD boot via BIOS/UEFI - Windows Boot manager selection, I may see the purple screen of Grub2 loaded for a while, but there's no selection for Ubuntu or Windows and/or then machine is not booting, showing a black screen and a small command prompt cursor blinking on top. So far the only option I see to have Ubuntu boot side by side w/ Win 7 is to reformat the Win7 SDD and set it boot in legacy BIOS mode with a MBR instead of GPT. Per my understanding this is a quite complex issue to fix (Rod Smith's answer was pretty helpful: UEFI boot on my Asus k52f) but any other suggestions are welcome. I find a bit odd that I can boot properly Windows7 SSD or an Ubuntu DVD using a DVD drive set in UEFI-BIOS in "AHCI mode" and w/ using "UEFI/Windows Boot Manager" booting option but I cannot boot a secondary SSD-HDD w/ Ubuntu having the same BIOS/UEFI Boot configuration. Looks like plugging the second SSD [the Ubuntu partition] is interfering with boot options in UEFI-BIOS.

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• Nervous about the "real" world

  - by Randy

  I am currently majoring in Computer Science and minoring in mathematics (the minor is embedded in the major). The program has a strong C++ curriculum. We have done some UNIX and assembly language (not fun) and there is C and Java on the way in future classes that I must take. The program I am in did not use the STL, but rather a STL-ish design that was created from the ground up for the program. From what I have read on, the STL and what I have taken are very similar but what I used seemed more user friendly. Some of the programs that I had to write in C++ for assignments include: a password server that utilized hashing of the passwords for security purposes, a router simulator that used a hash table and maps, a maze solver that used depth first search, a tree traveler program that traversed a tree using levelorder, postorder, inorder, selection sort, insertion sort, bit sort, radix sort, merge sort, heap sort, quick sort, topological sort, stacks, queues, priority queues, and my least favorite, red-black trees. All of this was done in three semesters which was just enough time to code them up and turn them in. That being said, if I was told to use a stack to convert an equation to infix notation or something, I would be lost for a few hours. My main concern in writing this is when I graduate and land an interview, what are some of the questions posed to assess my skills? What are some of the most important areas of computer science that are prevalent in the field? I am currently trying to get some ideas of programs I can write in C++ that interest and challenge me to keep learning the language. A sodoku solver came to mind but am lost as to where to start. I apologize for the rant, but I'm just a wee bit nervous about the future. Any tips are appreciated.

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• Dell Docking Station Doesn’t Detect USB Mouse and Keyboard

  - by Ben Griswold

  I’ve found myself in this situation with multiple Dell docking stations and multiple Dell laptops running various Windows operating systems.  I don’t know why the docking station stops recognizing my USB mouse and keyboard – it just does.  It’s black magic.  The last time around I just starting plugging the mouse and keyboard into the docked laptop directly and went about my business (as if I wasn’t completing missing out on a couple of the core benefits of using a docking station.)  I guess that’s what happens when you forget how you got yourself out of the mess the last time around.  I had been in this half-assed state for a couple of weeks now, but a coworker fortunately got themselves in and out of the same pickle this morning.  Procrastinate long enough and the solution will just come to you, right? Here’s how to get yourself out of this mess: Undock your computer Unplug your docking station Count to an arbitrary number greater than 12.  (Not sure this is really required, but…) Plug your docking station back in Redock your machine I put my machine to sleep before taking the aforementioned actions.  My coworker completely shutdown his laptop instead.  The steps worked on both of our Win 7 machines this morning and, who knows, it might just work for you too. 

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• Killer content for my Kindle - The Economist with no need for an iPad - yipeee!

  - by Liam Westley

  I admin it, I was jealous of someone's iPad. They were reading The Economist, for free, as they were a print subscriber. I'm a print subscriber too. However, I don't have an iPad or an iPhone, just an Android phone and a Kindle. As soon as I got the Kindle, I looked up how to get The Economist on it. £9.99 per month. Hmmm, twice as much again as a my print subscription and I wanted to maintain the print subscription. No way Amazon. Fortunately some nice person wrote similar comments on The Economist subscription for Kindle, but added a very important additional nugget of information; and there is no need, as a print subscriber you can just use the free Calibre e-book creation tool anyway. So I downloaded it, searched for The Economist online 'recipe', entered my login name and password (part of my print subscription) and off went Calibre to screen scrape every single article from the Christmas 2010 issue into a .mobi file, complete with front cover image and full indexing. It's wonderful. Truely wonderful. Every section individually indexed, with each article separated and all inline images preserved. It even feels wonderfully retro, back to the days when The Economist only used black and white images. So many thanks the guys behind Calibre and The Economist recipe creators. Finally, I have my essential Kindle content that I've been waiting for.

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• file error /boot/grub/i386-pc/normal.mod trying to repair boot, live dvd install probleml

  - by user179295

  I have seen that there are a lot of threads about this problem. I had Windows 8 installed on my series 3 samsung i5 computer and I tried to install ubuntu 13.04. This is what I did: Because of the secure boot I can't install ubuntu from the dvd. So I went in the bios and disabled secure boot and enabled ''CSM''. I went out of the bios and windows 8 couldn't boot more. So I follow a guide on this thread ( Installing on a Pre-Installed Windows 8 System (UEFI Supported) ) and on ubuntu I tried to repair the boot by inserting this code in the terminal: sudo add-apt-repository ppa:yannubuntu/boot-repair sudo apt-get update sudo apt-get install boot-repair Then I ran boot-repair and I follow all the steps. Then I reboot the sistem and saw the black screen that says: error: file '/boot/grub/i386-pc/normal mod' not found grub rescure> Now I saw a lot of guides about this problem but I can't understand how to reistall ubuntu trough the live dvd that I used to install it the first time... I put it in the computer but nothing appears.. so what should I do now? I'm a noob on ubuntu and I have read all the things about this grub 2 install and know where the problem comes from but how to start the dvd??

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• Wubi doens't work anymore - shows 'No wubildr' error

  - by Joe

  Basics: HP Mini 311 Ubuntu netbook edition 10.04 (installed via Wubi) Symptoms: I load to Windows Boot Manager as usual. Options are Windows 7 and Ubuntu Netbook, like usual. Selecting Windows 7 does as it should. Loading Ubuntu Netbook, though, does not take me to the usual screen where it lets me select versions of Ubuntu (sorry for bad wording, not sure what the real name is called; it's where you select from about 6 items; I always picked the first due to lack of knowledge without issue). Instead it flashes an error in white on a black screen then restarts very quickly. It took me a few restarts, but here is the error: Try (hd0,0): NTSF5 No wubildr Try (hd0,1): NTSF5: Situation: I have no clue what caused it. The only thing I did last night on Ubuntu was install Skype, but the mic didn't work instantly so I got lazy and switched to Windows 7 and used Skype on there. When I tried to switch back to Ubuntu it began this. (There may be something I forget... it was 5 in the morning). There were no recent updates that I remember. No weird activity. Just... random. Help please?

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• My Expert F# Book has now arrived!

  - by MarkPearl

  So it has finally arrived from Amazon. Expert F# by Don Syme, Adam Granicz & Antonio Cisternino. I got a note from the post office yesterday that I needed to collect a package from their offices. After paying a 10% customs fee (that I wasn’t expecting) I had my new Yellow & Black F# Book… it’s so shinny. Trust my luck though – I have a few university assignments due this week as well as a crazy week of work so it has been sitting on my desk for a day and I haven’t managed to get into it. Eventually I managed to take a few minutes this evening to page through it and it looks really good. I can’t wait! So my goal this week is to cover Chapter 2 (by the end of the weekend) and put the appropriate posts up. F# is slowly working on me but I am keen to get a deeper understanding of the language which I am hoping this book will help me achieve.

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• How to get ip-address out of SPAMHAUS blacklist?

  - by ???????? ????? ???????????

  I frequently read that it is possible to remove individual ip-addresses from SPAMHAUS blacklisting. OK. Here is 91.205.43.252 (91.205.43.251 - 91.205.43.253) used by back3.stopspamers.com (back2.stopspamers.com, back1.stopspamers.com) in geo-cluster on dedicated servers in Switzerland. The queries: http://www.spamhaus.org/query/bl?ip=91.205.43.251 http://www.spamhaus.org/query/bl?ip=91.205.43.252 http://www.spamhaus.org/query/bl?ip=91.205.43.253 tell that: 91.205.43.251 - 91.205.43.253 are all listed in the SBL80808 blacklist And SBL80808 blacklist tells: "Ref: SBL80808 91.205.40.0/22 is listed on the Spamhaus Block List (SBL) 01-Apr-2010 05:52 GMT | SR04 Spamming and now seems this place is involved in other fraud" 91.205.43.251-91.205.43.253 are not listed amongst criminal ip-addresses individually but there is no way to remove it individually from black listing. How to remove this individual (91.205.43.251-91.205.43.253) addresses from SPAMHAUS blacklist? And why the heck SPAMHAUS is blacklisting spam-stopping service? This is only one example of a bunch. My related posts: Blacklist IP database Update: From the answer provided I realized that my question was not even understood. This ip-addresses 91.205.43.251 - 91.205.43.253 are not blacklisted individually, they are blacklisted through its supernet 91.205.40.0/22. Also note that dedicated server, ISP and customer are in much different distant countries. Update2: http://www.spamhaus.org/sbl/sbl.lasso?query=SBL80808#removal tells: "To have record SBL80808 (91.205.40.0/22) removed from the SBL, the Abuse/Security representative of RIPE (or the Internet Service Provider responsible for supplying connectivity to 91.205.40.0/22) needs to contact the SBL Team" There are dozens of "abusers" in that blacklist SBL80808. The company using that dedicated server is not an ISP or RIPE representative to treat these issues. Even if to treat it, it is just a matter of pressing "Report spam" on internet to be again blacklisted, this is fruitless approach. These techniques are broadly used by criminals and spammers, See also this my post on blacklisting. This is just one specific example but there are many-many more.

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• Is it reasonable to expect knowing the whole stack bottom up?

  - by Vaibhav Garg

  I am an Sr. developer/architect/Product Manager for embedded systems. The systems that I have had experience with have typically been small to medium size codebases - typically close to 25-30K LOC in C, using 8-16 and 32 bit low end microcontrollers. The systems have been entirely bootstrapped by our team - meaning right from the start-up code to the end application code has either been written by the team, or at the very least, is thoroughly understood and maintained by us. Now, if we were to start developing more complex systems with complex peripherals, such as USB OTG et al. (think, low end cell phones), there are libraries and stacks available commercially and from chip vendors that reduce the task to just calling the right APIs and being able to use those peripherals. Now, from a habit point of view, this does not give me and the team a comfortable feeling, not being able to comprehend the entire code tree, with virtual black boxes at the lower layers. Is it reasonable to devote, and reserve, time getting into the details of how the APIs are implemented, assuming that the same would also entail getting into details of relevant standards (again, for USB as an example)? Or, alternatively, should a thorough understanding of the top level usage of the APIs be sufficient? This of course assumes that the source codes to all libraries are available, which they are, in almost all cases. Edit: In partial response to @Abhi Beckert, the documentation is refreshingly very comprehensive and meticulously maintained, AFAIK and been able to judge. I have not had a long experience with the same.

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• Grub options are not visible on booting on Samsung ATIV Book 9 Lite running Ubuntu 14.04

  - by mjwittering

  I've managed to install Ubuntu 14.04 on my new Samsung ATIV Book 9 Lite ultrabook. After updating some configuratiosn in the UEFI installation was very easy. The only questions and issue I believe I'm still experience is when booting. I believe when the laptop would be displaying the grub boot options I see the following. There is a black screen with a purple border of 10px around the screen. I'd like to know how I can update my system so that I see the grub boot manager. I've run these commands: sudo cat /etc/default/grub # 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=10 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" GRUB_CMDLINE_LINUX="" # 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" The command was not possible, sudo efibootmgr.

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• Stencil mask with AlphaTestEffect

  - by Brendan Wanlass

  I am trying to pull off the following effect in XNA 4.0: http://eng.utah.edu/~brendanw/question.jpg The purple area has 50% opacity. I have gotten pretty close with the following code: public static DepthStencilState AlwaysStencilState = new DepthStencilState() { StencilEnable = true, StencilFunction = CompareFunction.Always, StencilPass = StencilOperation.Replace, ReferenceStencil = 1, DepthBufferEnable = false, }; public static DepthStencilState EqualStencilState = new DepthStencilState() { StencilEnable = true, StencilFunction = CompareFunction.Equal, StencilPass = StencilOperation.Keep, ReferenceStencil = 1, DepthBufferEnable = false, }; ... if (_alphaEffect == null) { _alphaEffect = new AlphaTestEffect(_spriteBatch.GraphicsDevice); _alphaEffect.AlphaFunction = CompareFunction.LessEqual; _alphaEffect.ReferenceAlpha = 129; Matrix projection = Matrix.CreateOrthographicOffCenter(0, _spriteBatch.GraphicsDevice.PresentationParameters.BackBufferWidth, _spriteBatch.GraphicsDevice.PresentationParameters.BackBufferHeight, 0, 0, 1); _alphaEffect.Projection = world.SystemManager.GetSystem<RenderSystem>().Camera.View * projection; } _mask = new RenderTarget2D(_spriteBatch.GraphicsDevice, _spriteBatch.GraphicsDevice.PresentationParameters.BackBufferWidth, _spriteBatch.GraphicsDevice.PresentationParameters.BackBufferHeight, false, SurfaceFormat.Color, DepthFormat.Depth24Stencil8); _spriteBatch.GraphicsDevice.SetRenderTarget(_mask); _spriteBatch.GraphicsDevice.Clear(ClearOptions.Target | ClearOptions.Stencil, Color.Transparent, 0, 0); _spriteBatch.Begin(SpriteSortMode.Immediate, null, null, AlwaysStencilState, null, _alphaEffect); _spriteBatch.Draw(sprite.Texture, position, sprite.SourceRectangle,Color.White, 0f, sprite.Origin, 1f, SpriteEffects.None, 0); _spriteBatch.End(); _spriteBatch.Begin(SpriteSortMode.Immediate, null, null, EqualStencilState, null, null); _spriteBatch.Draw(_maskTex, new Vector2(x * _maskTex.Width, y * _maskTex.Height), null, Color.White, 0f, Vector2.Zero, 1f, SpriteEffects.None, 0); _spriteBatch.End(); _spriteBatch.GraphicsDevice.SetRenderTarget(null); _spriteBatch.GraphicsDevice.Clear(Color.Black); _spriteBatch.Begin(); _spriteBatch.Draw((Texture2D)_mask, Vector2.Zero, null, Color.White, 0f, Vector2.Zero, 1f, SpriteEffects.None, layer/max_layer); _spriteBatch.End(); My problem is, I can't get the AlphaTestEffect to behave. I can either mask over the semi-transparent purple junk and fill it in with the green design, or I can draw over the completely opaque grassy texture. How can I specify the exact opacity that needs to be replace with the green design?

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