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  • Scaling up an apache server

    - by pehrs
    I have an Ubuntu server running apache2 which i expect to be hit by around 500-1000 (concurent) users for a limited amount of time. The server serves a mixture of custom (rather light) php pages connected to a postgresql db (around 20 Mb in size) and static content. The hardware is stable and pretty beefy: Intel Xeon E5420 @ 2.5 GHz 12 GB RAM During previous rushes on this server I have increased ServerLimit, the MaxClients for the MPM modules and decreased Timeout and KeepAliveTimeout. It has worked, but been sluggish and I have a feeling more can be done. How would you suggest configuring the Apache server to handle this kind of load?

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  • CodePlex Daily Summary for Tuesday, December 18, 2012

    CodePlex Daily Summary for Tuesday, December 18, 2012Popular Releasessb0t v.5: sb0t 5 Template for Visual Studio: This is the official sb0t 5 template for Visual Studio 2010 and Visual Studio 2012 for C# programmers. Use this template to create your own sb0t 5 extensions.F# PowerPack with F# Compiler Source Drops: PowerPack for FSharp 3.0 + .NET 4.x + VS2010: This is a release of the old FSharp Power Pack binaries recompiled for F# 3.0, .NET 4.0/4.5 and Silveright 5. NOTE: This is for F# 3.0 & .NET 4.0 or F# 3.0 & Silverlight 5 NOTE: The assemblies are no longer strong named NOTE: The assemblies are not added to the GAC NOTE: In some cases functionality overlaps with F# 3.0, e.g. SI Units of measurecodeSHOW: codeSHOW AppPackage Release 16: This release is a package file built out of Visual Studio that you can side load onto your machine if for some reason you don't have access to the Windows Store. To install it, just unzip and run the .ps1 file using PowerShell (right click | run with PowerShell). Attention: if you want to download the source code for codeSHOW, you're in the wrong place. You need to go to the SOURCE CODE tab.Move Mouse: Move Mouse 2.5.3: FIXED - Issue where it errors on load if the screen saver interval is over 333 minutes.LINUX????????: LINUX????????: LINUX????????cnbeta: cnbeta: cnbetaCSDN ??: CSDN??????: CSDN??????PowerShell Community Extensions: 2.1.1 Production: PowerShell Community Extensions 2.1.1 Release NotesDec 16, 2012 This version of PSCX supports both Windows PowerShell 2.0 and 3.0. Bug fix for HelpUri error with the Get-Help proxy command. See the ReleaseNotes.txt download above for more information.VidCoder: 1.4.11 Beta: Added Hungarian translation, thanks to Brechler Zsolt. Update HandBrake core to SVN 5098. This update should fix crashes on some files. Updated the enqueue split button to fit in better with the active Windows theme. Updated presets to use x264 preset/profile/level.BarbaTunnel: BarbaTunnel 6.0: Check Version History for more information about this release.???: Cnblogs: CNBLOGSSandcastle Help File Builder: SHFB v1.9.6.0 with Visual Studio Package: General InformationIMPORTANT: On some systems, the content of the ZIP file is blocked and the installer may fail to run. Before extracting it, right click on the ZIP file, select Properties, and click on the Unblock button if it is present in the lower right corner of the General tab in the properties dialog. This new release contains bug fixes and feature enhancements. There are some potential breaking changes in this release as some features of the Help File Builder have been moved into...Electricity, Gas and Temperature Monitoring with Netduino Plus: V1.0.1 Netduino Plus Monitoring: This is the first stable release from the Netduino Plus Monitoring program. Bugfixing The code is enhanced at some places in respect to the V0.6.1 version There is a possibility to add multiple S0 meters Website for realtime display of data Website for configuring the Netduino Comments are welcome! Additions will not be made to this version. This is the first and last major Netduino Plus V1 release. The new development will take place with the Netduino Plus V2 development board in mi...CRM 2011 Visual Ribbon Editor: Visual Ribbon Editor (1.3.1116.8): [FIX] Fixed issue not displaying CRM system button images correctly (incorrect path in file VisualRibbonEditor.exe.config)My Expenses Windows Store LOB App Demo: My Expenses Version 1: This is version 1 of the MyExpenses Windows 8 line of business demo app. The app is written in XAML and C#. It calls a WCF service that works with a SQL Server database. The app uses the Callisto toolkit. You can get it at https://github.com/timheuer/callisto. The Expenses.sql file contains the SQL to create the Expenses database. The ExpensesWCFService.zip file contains the WCF service, also written in C#. You should create a WCF service. Create an Entity Framework model and point it to...BlackJumboDog: Ver5.7.4: 2012.12.13 Ver5.7.4 (1)Web???????、???????????????????????????????????????????VFPX: ssClasses A1.0: My initial release. See https://vfpx.codeplex.com/wikipage?title=ssClasses&referringTitle=Home for a brief description of what is inside this releaseLayered Architecture Solution Guidance (LASG): LASG 1.0.0.8 for Visual Studio 2012: PRE-REQUISITES Open GAX (Please install Oct 4, 2012 version) Microsoft® System CLR Types for Microsoft® SQL Server® 2012 Microsoft® SQL Server® 2012 Shared Management Objects Microsoft Enterprise Library 5.0 (for the generated code) Windows Azure SDK (for layered cloud applications) Silverlight 5 SDK (for Silverlight applications) THE RELEASE This release only works on Visual Studio 2012. Known Issue If you choose the Database project, the solution unfolding time will be slow....Fiskalizacija za developere: FiskalizacijaDev 2.0: Prva prava produkcijska verzija - Zakon je tu, ova je verzija uskladena sa trenutno važecom Tehnickom specifikacijom (v1.2. od 04.12.2012.) i spremna je za produkcijsko korištenje. Verzije iza ove ce ovisiti o naknadnim izmjenama Zakona i/ili Tehnicke specifikacije, odnosno, o eventualnim greškama u radu/zahtjevima community-a za novim feature-ima. Novosti u v2.0 su: - That assembly does not allow partially trusted callers (http://fiskalizacija.codeplex.com/workitem/699) - scheme IznosType...Bootstrap Helpers: Version 1: First releaseNew ProjectsAsh Launcher: The ash launcher is a launcher for the ash modpack for minecraftAsynchronous PowerShell Module: psasync is a PowerShell module containing simple helper functions to allow for multi-threaded operations using Runspaces. ClearVss: ClearVss clear any reference of Visual SourceSafe in yours solution. You'll no longer have to delete and modify solution files by hand. It's developed in C#dewitcher Framework: A rly cool Framework, made for use with COSMOS. - Console-class that supports colored, horizontal- and vertical- centered text printing - more =PGTD Pad: Notepad for GTD TechniqueHTML/JavaScript Rendering Web Part: HTML/JavaScript Render Web Part - replaces the SharePoint Content Editor Web Part (CEWP). Permits flying in script, HTML, etc. to a SharePoint Page.Kracken Generator and Architecture Tool for Visual Studio 2012: Welcome to Kracken a suite of tools for creating code from Architecture models. This program is the pet project of Tracy Rooks.Logica101: Aplicación para visualización de procesos algebraicosManaged DismApi Wrapper: This is a managed wrapper for the native Deployment Image Servicing and Management (DISM) API. This allows .NET developers to call into the native API instead Mvc web-ajax: A Javascript library for displaying lists and editing objects N2F Yverdon InfoBoxes: A simple extension (plus some resources) for managing information boxes on a given page.N2F Yverdon Solar Flare Reflector: The solar flare reflector provides minimal base-range protection for your N2F Yverdon installation against solar flare interference.newplay: goodPhnyx: The project is under re-structuring - look backPigeonCms: Cms made with c# (using NET framework 3.5, SqlServer2005 or Express edition) with many Joomla-like features. Poppæa: Very early version of a c# library for cassandra nosql database. For now it adds support for the new CQL3 protocol in cassandra 1.2+. Proximity Tapper: Proximity Tapper is a developer tool for working with NFC on both Windows Phone and Windows, and allows you to build NFC apps in the Windows Phone emulator.SharePoint 2010 SpellCheck: SharePoint 2010 SpellCheck Project will let you enable spelling check functionality in SharePoint 2010 using SpellCheck.asmxShift8Read Community Credit Tool (DotNetNuke Module): A simple DotNetNuke Module I created for submitting content to Community-Credit.comTempistGamer Client: The tempistgamers game client manager. Includes a cross-platform, cross-game UI to allow for player interactivity. While the program itself manages the games.testtom12122012tfs02: fdstesttom12172012tfs02: uioTEviewer: The Transient Event Viewer is an application designed for visualization and analysis of transient events.trucho-JCI: summaryTypeSharp: TypeSharp is a C# to TypeScript code generatorWeiboWPSdk: To make wp applications about sina weibo more easily.XNA Games Core: XNA Core Game Programming library. Uses interfaces and delegates, in tune with the .NET way, with inheritence used for implementation reuse.

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  • terminal tools and logs for debugging TCP issues

    - by kellogs
    I have a server which I am testing for functionality (not load, not stress) with tsung. 50 users / second, 100 total users. Judging from tsung (tsung is the testing framework) graphs, there TCP connections (red line) drops to 0 while the commenced user sessions (green line) does not. Server logs show nothing to be gripping onto, so I am speculating some kind of TCP issue. Should this be the case ? Where would I look further on the server, any logs / tools to be looking at ? Only SSH available, no GUI. > root@XMPP:~# cat /etc/lsb-release > DISTRIB_ID=Ubuntu > DISTRIB_RELEASE=11.10 > DISTRIB_CODENAME=oneiric > DISTRIB_DESCRIPTION="Ubuntu 11.10" Thank you

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  • Functional testing in the verification

    - by user970696
    Yesterday my question How come verification does not include actual testing? created a lot of controversy, yet did not reveal the answer for related and very important question: does black box functional testing done by testers belong to verification or validation? ISO 12207:12208 here mentiones testing explicitly only as a validation activity, however, it speaks about validation of requirements of the intended use. For me its more high level, like UAT test cases written by business users ISO mentioned above does not mention any specific verification (7.2.4.3.2)except for Requirement verification, Design verification, Document and Code & Integration verification. The last two can be probably thought as unit and integrated testing. But where is then the regular testing done by testers at the end of the phase? The book I mentioned in the original question mentiones that verification is done by static techniques, yet on the V model graph it describes System testing against high level description as a verification, mentioning it includes all kinds of testing like functional, load etc. In the IEEE standard for V&V, you can read this: Even though the tests and evaluations are not part of the V&V processes, the techniques described in this standard may be useful in performing them. So that is different than in ISO, where validation mentiones testing as the activity. Not to mention a lot of contradicting information on the net. I would really appreciate a reference to e.g. a standard in the answer or explanation of what I missed in the ISO. For me, I am unable to tell where the testers work belong.

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  • Why can't I create direct3d objects?

    - by quakkels
    I've been programming professionally for years using languages like VBScript, JavaScript, and C#. As a hobby, I'm getting into some c/c++ and games programming with DirectX. I am running into an issue where I cannot create direct3d objects. I am using Visual C++ 2010 Express. After I installed vc++2010express I then installed the June 2010 release of DirectX. I am trying to include DirectX via #pragma statements. This is the code I have so far in my winmain.cpp source file: #include <Windows.h> #include <d3d11.h> #include <time.h> #include <iostream> using namespace std; #pragma comment(lib, "d3d11.lib") #pragma comment(lib, "d3dx11.lib") // program settings const string AppTitle = "Direct3D in a Window"; const int ScreenWidth = 1024; const int ScreenHeight = 768; // direct3d objects LPDIRECT3D11 d3d = NULL; // this line is showing an error The type LPDIRECT3D11 is showing an error: Error: Identifier "LPDIRECT3D11" is undefined Am I missing something here to get VC++2010Express to recognize and load the DirectX libs? Thanks for any help.

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  • IIS NLB Web Farm to front Single Tomcat Instance

    - by Brent Pabst
    I've got a single Tomcat 6 server that hosts a JSP app. We just spun up a new IIS 7.5 web farm to host our other internal apps. Currently the machine that hosts Tomcat is also running IIS 7 with the ISAPI filter loaded to provide front-end handling for the JSP app. I'd like to move the IIS portion to the web farm to consolidate our IIS presence and let the Tomcat server just serve and run Java and Tomcat. Has anyone done this, is it even possible while ensuring session state is properly maintained? I had it up and running using the IIS Tomcat Connector http://tomcatiis.riaforge.org/ but after a while the communication between the boxes slowed and pages would not load. In addition it seemed like some of our authentication tickets were timing out. Thanks for any ideas or reference material!

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  • Permission forbidden on localhost with apache2

    - by N Alex
    Here is what I am trying to do. I tried to add another folder to apache and I get the following error when trying to acces testing/index.html. The idea is that I would like to have for every customer a folder like /home/neagoe/Work/InterWebs/Projects/[PROJECT NAME]/CustomerProjects/website/dist. Forbidden You don't have permission to access /index.html on this server. Apache/2.2.22 (Ubuntu) Server at testing Port 80 Here are the steps that I followed: Step1: sudo chmod a+x /home/neagoe/Work/InterWebs/Projects/testing/CustomerProjects/website/dist Step2: sudo chown -R www-data:www-data /home/neagoe/Work/InterWebs/Projects/testing/CustomerProjects/website/dist sudo chmod -R 775 /home/neagoe/Work/InterWebs/Projects/testing/CustomerProjects/website/dist Step3: sudo adduser $USER www-data Step4: sudo a2enmod userdir Step5: sudo cp /etc/apache/sites-available/default /etc/apache/sites-available/testing I edited the file /etc/apache/sites-available/testing so it looks like this: <VirtualHost *:80> ServerAdmin webmaster@localhost ServerName testing DocumentRoot /home/neagoe/Work/InterWebs/Projects/testing/CustomerProjects/website/dist <Directory /> Options FollowSymLinks AllowOverride None </Directory> <Directory /home/neagoe/Work/InterWebs/Projects/testing/CustomerProjects/website/dist/ > Options Indexes FollowSymLinks MultiViews AllowOverride All Order allow,deny allow from all </Directory> ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/ <Directory "/usr/lib/cgi-bin"> AllowOverride None Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch Order allow,deny Allow from all </Directory> ErrorLog ${APACHE_LOG_DIR}/error.log # Possible values include: debug, info, notice, warn, error, crit, # alert, emerg. LogLevel warn CustomLog ${APACHE_LOG_DIR}/access.log combined </VirtualHost> Step6: I edited hosts ("/etc/hosts") so it looks like this: 127.0.0.1 localhost 127.0.0.1 testing # The following lines are desirable for IPv6 capable hosts ::1 ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters Step7: sudo a2ensite testing sudo service apache2 restart I searched for about 2 hours on the internet but I can't figure out what went wrong. All the pages that I found following the same steps as described above. I know there are similar questions here on the internet, but the answer is to change permission to the directory which I did on Step2. I am sorry if this is really a duplicate but I could't find the right answer. Thank you! PS. I asked this also on AskUbuntu but didn't get any answers so I'm trying my luck here. Edit: There isn't much on the error log or the access log. On the access.log: ::1 - - [10/Aug/2013:11:23:28 +0300] "OPTIONS * HTTP/1.0" 200 126 "-" "Apache/2.2.22 (Ubuntu) (internal dummy connection)" ::1 - - [10/Aug/2013:11:23:29 +0300] "OPTIONS * HTTP/1.0" 200 126 "-" "Apache/2.2.22 (Ubuntu) (internal dummy connection)" ::1 - - [10/Aug/2013:11:23:31 +0300] "OPTIONS * HTTP/1.0" 200 126 "-" "Apache/2.2.22 (Ubuntu) (internal dummy connection)" ::1 - - [10/Aug/2013:11:23:32 +0300] "OPTIONS * HTTP/1.0" 200 126 "-" "Apache/2.2.22 (Ubuntu) (internal dummy connection)" ::1 - - [10/Aug/2013:11:23:33 +0300] "OPTIONS * HTTP/1.0" 200 126 "-" "Apache/2.2.22 (Ubuntu) (internal dummy connection)" ::1 - - [10/Aug/2013:11:23:34 +0300] "OPTIONS * HTTP/1.0" 200 126 "-" "Apache/2.2.22 (Ubuntu) (internal dummy connection)" ::1 - - [10/Aug/2013:11:23:35 +0300] "OPTIONS * HTTP/1.0" 200 126 "-" "Apache/2.2.22 (Ubuntu) (internal dummy connection)" 127.0.0.1 - - [10/Aug/2013:11:23:23 +0300] "POST /wordpress-testing/wp-cron.php?doing_wp_cron=1376123003.7026669979095458984375 HTTP/1.0" 200 705 "-" "WordPress/3.6; http://localhost/wordpress-testing" ::1 - - [10/Aug/2013:11:23:36 +0300] "OPTIONS * HTTP/1.0" 200 126 "-" "Apache/2.2.22 (Ubuntu) (internal dummy connection)" ::1 - - [10/Aug/2013:11:23:37 +0300] "OPTIONS * HTTP/1.0" 200 126 "-" "Apache/2.2.22 (Ubuntu) (internal dummy connection)" ::1 - - [10/Aug/2013:11:23:38 +0300] "OPTIONS * HTTP/1.0" 200 126 "-" "Apache/2.2.22 (Ubuntu) (internal dummy connection)" 127.0.0.1 - - [10/Aug/2013:11:31:32 +0300] "GET /index.html HTTP/1.1" 200 485 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:23.0) Gecko/20100101 Firefox/23.0" And the last line repeats for about 200 rows. On the error.log: 1. This lines repeat from time to time. PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php5/20100525 /msql.so' - /usr/lib/php5/20100525/msql.so: cannot open shared object file: No such file or directory in Unknown on line 0 [Sat Aug 10 13:06:42 2013] [notice] Apache/2.2.22 (Ubuntu) PHP/5.4.9-4ubuntu2.2 configured -- resuming normal operations [Sat Aug 10 13:07:36 2013] [notice] caught SIGTERM, shutting down PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php5/20100525/msql.so' - /usr/lib/php5/20100525/msql.so: cannot open shared object file: No such file or directory in Unknown on line 0 [Sat Aug 10 13:07:37 2013] [notice] Apache/2.2.22 (Ubuntu) PHP/5.4.9-4ubuntu2.2 configured -- resuming normal operations 2. And this is the predominant error. (hundreds of lines) [Sat Aug 10 13:07:40 2013] [error] [client 127.0.0.1] (13)Permission denied: access to /index.html denied

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  • If I implement a web-service, how do I respond to POST requests with JSON?

    - by Vova Stajilov
    I have to make a rather complex system for my diploma work. Logically it will consist of the following components: Database Web-service Management with web interface Client iOS application that will consume web-service I decided to implement all the first three components under .NET. Firstly I will create a database depending on the information load - this is clear. But then I need a web-service that will return data in JSON format for iOS clients to consume - that's obvious and not that hard to implement. For this I will use WCF technology. Now I have a question, if I implement the web-service, how will I be able to respond to POST requests with JSON? It probably involves WCF JSON or something related? But I also need some web pages as admin part, so will this web-application be able to consume my centralized web-services as well or I should develop it separately? I just want my web service to act like a set of controllers. There is a related question here but this doesn't quite reflect my question.

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  • Is there a way to create a consistent snapshot/SnapMirror across multiple volumes?

    - by Tomer Gabel
    We use a NetApp FAS 6-series filer with an application that spans multiple volumes. For backup purposes I would like to create a consistent snapshot that spans these volumes at the same point in time (or at least with an extremely low delta); additionally, we'd like to to use SnapMirror to replace the production environment to test volumes. The problem is in creating a consistent snapshot/SnapMirror, since these commands are not transactional and do not take multiple parameters. I tried scripting consecutive "snap create" or "snapmirror resync" commands via SSH, but there's always a 0.5-2 second difference between each snapshot. It's currently "good enough", but I'm seriously concerned about the consistency impact with increased load (we're currently in pre-production). Has anyone managed to create a consistent snapshot that spans several volumes? How did you pull it off?

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  • Cannot restart Ubuntu after replacing Unity with Gnome and purging lightdm

    - by OtagoHarbour
    I am running Ubuntu 11.10. I used the directions here to replace Unity with Gnome. It seemed to work fine until the end of step 2 when I rebooted the computer. When I chose the default option, I just got a black screen. When I choose the restore option and then "Restore normal boot" I get Starting load fallback graphics devices [fail] Starting GNOME Display Manager [ok] Starting Userspace bootsplash [ok] Stopping GNOME Display Manager [ok] Stopping Userspace bootsplash [ok] Starting web server apach22 [fail] (among a lot of OKs) It finally gets to Stopping System V runlevel compatibility [ok] where it hangs. I left it overnight and just had a blank screen when I checked it in the morning. I can "Drop to root shell prompt" and "Drop to root shell prompt with networking". I did see here that one should be able to fix the problem by choosing remount and then doing apt-get install lightdm I tried this as root shell with and without networking and got the message Err http://us.archive.ubuntu.com/ubuntu/ oneric-updates/main lightdm i386 1.0.6-0ubuntu1.7 Could not resolve 'us.archive.ubuntu.com/ubuntu' What is the best way to resolve this problem? Thanks, Peter.

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  • Why does Tomcat try to use the cache when compilation failed?

    - by etheros
    For some reason, it appears Tomcat is trying to hit its compilation cache when compilation failed. For example, if I create a JSP containing nothing but Hello, <%=world%>!, predictably, I get an error: org.apache.jasper.JasperException: Unable to compile class for JSP. Subsequent requests however alternate between this and org.apache.jasper.JasperException: org.apache.jasper.JasperException: Unable to load class for JSP. Further, if I create a JSP containing Hello!, it of course works just fine. If I modify it contain Hello, <%=name%>!, the response alternates between the previously-mentioned compilation error, and the cached Hello!. What's going on?

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  • Best Configuration for Performance - ffmpeg streaming / mp4 /flv

    - by Sam Alex
    I have some mpeg video files and a web page. A visitor comes to that web page and according to the selected options, a php script calls ffmpeg and combines the different mpeg files and then converts it to a mp4 file. That mp4 file is then shown to the visitor using flowplayer. The MP4 creation takes some time and flowplayer takes some time to load the file. What do you think is the best way to accomplish this task ? Should i go for streaming server ? I need to reduce the time taken for conversion. Will converting to FLV be faster ?

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  • SharePoint Saturday DC 2010 Slides, Demo Scripts, and Pictures

    - by Brian Jackett
    Wow! This past weekend I attended SharePoint Saturday Washington DC (SPSDC) which was quite an event to say the least.  For those unfamiliar, SharePoint Saturday is a community driven event where various speakers gather to present at a FREE conference on all topics related to SharePoint.  This made my fifth SharePoint Saturday attended and fourth I’ve spoken at.  SPSDC was a bit different than most SharePoint Saturdays mostly due to the scale of it.  We had almost 950 attendees, over 80 speakers presenting close to 90 sessions, and dozens of sponsors.  A big thanks goes out to the organizers of this event.  They put in a lot of hard work and time to pull this event off and should be very proud of the end result.      For SPSDC I presented “The Power of PowerShell + SharePoint 2007”.  I want to thank all of the attendees of my session for coming and asking some great questions.  Below you can find the slides and demo scripts for this session.  I also took some photos throughout the day (not as many as usual since so much going on) so check them out.  If you have any follow up questions feel free to drop me a line in the comments or the contact link at the top of the site.   Slides and Scripts Click here for the demo scripts and slides posted on my SkyDrive. VERY IMPORTANT NOTE: One thing I forgot to mention in my presentation.  In order to run code against the SharePoint API you need to load the Microsoft.SharePoint.dll assembly first.  Run the below command on the PowerShell console line to complete that:   [void][System.Reflection.Assembly]::LoadWithPartialName("Microsoft.SharePoint") Photos Facebook album -or- My album on Windows Live site (higher res shots). View Full Album         -Frog Out

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  • Accessing the Internet via browser

    - by ucas
    I am on Windows 7 and using Firefox browser. I am using WiFi, but since the morning I cannot access the Internet via the browsers (Firefox, Chrome, or IE). The laptop shows there is Internet connection, Skype is online, but I can't reach the Internet. Then I launched Tor application which creates secure channel and provides its Firefox browser. Well, I can now access the Internet over that browser. So, what might be the problem causing this malfunction? The error: The connection has timed out The server at mail.google.com is taking too long to respond. The site could be temporarily unavailable or too busy. Try again in a few moments. If you are unable to load any pages, check your computer's network connection. If your computer or network is protected by a firewall or proxy, make sure that Firefox is permitted to access the Web. Best regards

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  • Script/ Macro in Excel, by clicking on a cell

    - by Noob Doob
    There's something I want to do in Excel 2010. Specifically, I want to be able to make the open sheet load data from a text file, by clicking -important- on a cell of the current open worksheet. So my specific needs are: If it is possible in some way, to start a macro/script by clicking on a cell. About the script/macro: What would be the preferable, by your opinion, way of implementation. And more specifically, how to automatically import the data needed, only by clicking, without having to continually specify the desirable .txt file each time, only 1 time at max, at start or by using a custom "initalization/configuration" file.

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  • Problems with Maverick upgrade

    - by altenuta
    I upgraded to Maverick 10.10 from Lucid. I have an old Toshiba Satellite with a 1.1 MHz and 256MB RAM. Initially I couldn't get my wireless to work. That solved itself after installing various updates and programs. The problems that remain are: I have to authorize at least 2 times at start-up. This machine is Ubuntu only. No boot load screen. I have a ton of programs and system directories that are in my home folder. Is this normal? It is difficult to wake the computer from sleep. Usually I just shut it down and restart. Tonight I waited and got a message about corrupt memory. The computer takes forever to do just about everything. Slow to start programs or doing things on the web. I am a longtime Mac user (since 1986). I also manage a network of several windoze machines. I am definitely a GUI guy and do very little in the terminal so I really need to know where to begin to get things straightened out. Can I rescue this machine without wiping it and doing a fresh install? This is basically a hobby machine. Aside from all the programs and upgrades I've installed, I have almost no files or documents to worry about saving. Anyone have any ideas about the problems I'm having and the best way to proceed? Thanks, Al

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  • Rule of thumb for cost vs. savings for code re-use

    - by Styler
    Is it a good rule of thumb to always write code for the intent of re-using it somewhere down the road? Or, depending on the size of the component you are writing, is it better practice to design it for re-use when it makes sense with regards to time spent on it. What is a good rule of thumb for spending extra time on analysis and design on project components that have "some probability" of being needed later down the road for other things that may or may need this part. For example, if I have the need for project X to do things A, and B. A definitely needs to be written for re-use because it just makes sense to do so. B is very project specific at the moment, and I can hack it all together in a couple days to finish the project on time and give everyone kudos for being a great team, etc. Or if we say, lets spend a whole friggin' 2 weeks figuring out what project Y/Z might need this thing for and spend a load of extra time on on part B because someday we might need to use it on project Y/Z (where the savings will be realized). I'd imagine a perfect world situation would be a nicely crafted combination of project specific vs. re-use architected components given the project. However some code shops might feel it would be a great idea to write everything for the intention of using it at some point down the road.

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  • Hybrid drive not booting faster than a normal HD

    - by Nigel Trotter
    I have used Windows 7 to create an image of my existing standard 160GB HD and copied this image back to a bigger 500GB Seagate hybrid drive. After copying the image to the hybrid I had to resize the partition, which was fine but after rebooting a few times to "teach" the hybrid, I have no increase in boot speed. It still takes 20-25 seconds to close down and then over a minute to start up. Is this something to do with the way the image lays itself on the drive indiscriminately? Do I need to load the OS on the drive from scratch to get the benefits? My PC with an i5 processor, is using AHCI mode.

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  • Harvard vs. Von Neumann architecture

    - by user32569
    Hi. Our teacher told us, that Harvard architecture is the most evolved and produced architecture today and towards future. but I thing becouse os massive averhead of x86 and Von Neumann nased ARM systems that actually Von Neumann is the most used architecture today. Yes, MCUs with Harvard are even more produced, but since they all have just minor purpose (compared to x86 and ARM based) that Von Neumann is actually the one. Or is it really Harvard? And second, I know this is strange question, but does any architecture combining both exists? to have separate memory for data and programs, therefore faster instruction processing, but still able to work with these as Von Neumann? To be able o load amd unload programs to program memory on the fly? Isnt this the way the x86 should have go? Or would there be some bottleneck that pure Von neumann solves? Thanks.

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  • Which is the best image hosting site for hosting images for the website? [closed]

    - by rahul dagli
    Possible Duplicate: How to find web hosting that meets my requirements? I currently have a website and blog and using a limited web hosting plan. When I upload images on my hosting server it consumes a lot of bandwidth and space. So I was thinking of hosting images on some-other image hosting site and direct linking it to my site. I found out few sites like imageshack, photobucket, tinypic, imgur. However, I see all have certain restrictions. The features i am looking for are as follows: 1. At least 10gb space 2. At least 500gb bandwidth (bec I hav very high traffic) 3. Very high speed even during heavy load like 1000 visitors accessing every hour. 4. Ultra reliable servers (99.9% uptime) 5. Privacy control 6. Must not ever delete image if inactive 7. Create and manage albums 8. Company that will last long in business atleast for next 10 years. 9. Free of cost 10. Hotlinking/ Directlinking image.

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  • Excel 2002 disappears with no error message

    - by i-g
    Excel 2002 closes about 30 seconds after I open it. No further action has to be taken; I open the program, wait a little while, and the window and process just disappears. I'm running Windows XP SP2 with Office 2002 Pro installed. Recently, Outlook 2007 was added to the computer (previously not installed at all.) Word 2002 works fine. Excel 2002 also works fine on another computer with a similar configuration. Things I've already checked for or tried: Verified that no add-ins are enabled. Repairing the installation. Uninstalling and reinstalling. Rename %APPDATA%\Microsoft\Excel I'm guessing that it is trying to load a component that doesn't exist and failing, but I don't know how to proceed. Suggestions welcome. Thank you!

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  • I can't work locally unless connected to the internet - how to fix?

    - by Rodney
    Hi, In Firefox, when I am disconnected from the net, I want to work locally on my local IIS server (Win XP, Firefox 3.5.10). I do NOT have Work Offline checked but FF says that it cannot find my site (ie. the message from FF if you try to access an online site offline) This applies to any localhost URL. I tried 127.0.0.1 and checked my Host file - that does not work either. If I check Work Offline then it shows the Firefox message that it cannot be reached because I have Work Offline checked. Unchecking it does not help. Then - I load up Safari, copy and paste the URL into that browser and it connects to my development localhost site. It is not just browser caching as I can log in etc. So Firefox will not let me develop locally unless I am connected to the internet, which is a problem. Suggestions please?

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  • Trigger IP ban based on request of given file?

    - by Mike Atlas
    I run a website where "x.php" was known to have vulnerabilities. The vulnerability has been fixed and I don't have "x.php" on my site anymore. As such with major public vulnerabilities, it seems script kiddies around are running tools that hitting my site looking for "x.php" in the entire structure of the site - constantly, 24/7. This is wasted bandwidth, traffic and load that I don't really need. Is there a way to trigger a time-based (or permanent) ban to an IP address that tries to access "x.php" anywhere on my site? Perhaps I need a custom 404 PHP page that captures the fact that the request was for "x.php" and then that triggers the ban? How can I do that? Thanks! EDIT: I should add that part of hardening my site, I've started using ZBBlock: This php security script is designed to detect certain behaviors detrimental to websites, or known bad addresses attempting to access your site. It then will send the bad robot (usually) or hacker an authentic 403 FORBIDDEN page with a description of what the problem was. If the attacker persists, then they will be served up a permanently reccurring 503 OVERLOAD message with a 24 hour timeout. But ZBBlock doesn't do quite exactly what I want to do, it does help with other spam/script/hack blocking.

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  • loading 60 images locally fast is it possible...? [closed]

    - by Tariq- iPHONE Programmer
    when my app starts it loads 60 images at a time in UIImageView and it also loads a background music. in simulator it works fine but in IPAD it crashes.. -(void)viewDidLoad { NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; //img.animationImages = [[NSArray arrayWithObjects: MyImages = [NSArray arrayWithObjects: //[UIImage imageNamed: @"BookOpeningB001.jpg"],...... B099,nil]; //[NSTimer scheduledTimerWithTimeInterval: 8.0 target:self selector:@selector(onTimer) userInfo:nil repeats:NO]; img.animationImages = MyImages; img.animationDuration = 8.0; // seconds img.animationRepeatCount = 1; // 0 = loops forever [img startAnimating]; [self.view addSubview:img]; [img release]; [pool release]; //[img performSelector:@selector(displayImage:) ]; //[self performSelector:@selector(displayImage:) withObject:nil afterDelay:10.0]; [self performSelector: @selector(displayImage) withObject: nil afterDelay: 8.0]; } -(void)displayImage { SelectOption *NextView = [[SelectOption alloc] initWithNibName:nil bundle:nil]; [self presentModalViewController:NextView animated:NO]; [NextView release]; } Am i doing anything wrong ? Is there any other alternative to load the local images faster in UIImageView !

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  • mystery Internet traffic to port 445

    - by Ben Collver
    Recently, I noticed traffic from the office network to TCP port 445 on the Internet [a]. Below are the Linux firewall log entries to Facebook's network [b] and Google's network [c]. I would like to identify the source of this traffic. My first guess is that Facebook and Google might be using multiple TCP ports for SSL load balancing. However, I could not confirm this based on the web proxy logs. What else might it be? [a] http://support.microsoft.com/kb/204279 [b] Sep 4 08:30:03 firewall01 kernel: IN=eth0 OUT=eth2 SRC=10.0.0.131 DST=69.171.237.34 LEN=52 TOS=0x00 PREC=0x00 TTL=127 ID=14287 DF PROTO=TCP SPT=51711 DPT=445 WINDOW=8192 RES=0x00 SYN URGP=0 [c] Aug 28 06:02:41 firewall01 kernel: IN=eth0 OUT=eth2 SRC=10.0.0.115 DST=173.194.33.47 LEN=52 TOS=0x00 PREC=0x00 TTL=127 ID=4558 DF PROTO=TCP SPT=49294 DPT=445 WINDOW=8192 RES=0x00 SYN URGP=0

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