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• Microsoft Access 2010: How to Modify Tables

  As you work with Microsoft Access 2010, it is highly likely that you will run in to times where you need to modify the fields contained within your tables. Luckily, this is a task that is not hard to accomplish, and this tutorial will teach you how to do so. Before you begin modifying tables, you should be aware that there are basically three different ways in which you can affect or control the type of data that enters your fields, which are data types, character limits, and validation rules. We will be taking a look at them today, so let's begin, shall we? Keep in mind that for this tutor...

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• Ubuntu 12.10 with kernel 3.5.0-18 failing to boot

  - by Chaitanya

  I had 12.04 with kernel 3.0.2. Today I have updated my system and got 12.10 with kernel 3.5.0-18. Now when I boot my machine with 3.5 kernel, it starts until the page where I enter my password. Within seconds, I get a page with looooong list of some commands or list. I can't take screen-shot of that. It looks something like: [1.2234978942837]kjsahfa;lsfksld;fkjsf;owieurwirejw/rnw;erkjwelrjw2309480432 [1.3294823498230948]as;lfjsf;iuwrijrwjlkerjw;rekwer;lkwjre;lkjRIJWEORIWE'JJA; Luckily, in my boot page, I have 3.0.2 kernel also. When I boot with 3.0.2 kernel there is no problem. But when I boot with 3.5.0, it throws that weird error. I wont be able to do anything at that time. None of the keys work. I have to forcibly shutdown the machine and restart with 3.0.2 kernel. Please help.

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• Mono Tools for Visual Studio 1.1 has been released!

  Mono Tools for Visual Studio 1.1 has officially been released, containing several of the most requested features, as well as many bugfixes. Mono Tools for Visual Studio is a commercial add-in for Microsoft? Visual Studio? that enables developers to build, debug, and deploy .NET applications targeting Mono from within their preferred IDE. Along with many bugfixes and small enhancements, the Mono Tools 1.1 update features the following improvements: Smarter Remote File Copying Automatically...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Google I/O 2010 - Measure in milliseconds: Meet Speed Tracer

  Google I/O 2010 - Measure in milliseconds: Meet Speed Tracer Google I/O 2010 - Measure in milliseconds redux: Meet Speed Tracer GWT 201 Kelly Norton It turns out that web apps can be slow for all sorts of opaque and unintuitive reasons. Don't be fooled into thinking that bloated, slow JavaScript is the only culprit. This session introduces you to Speed Tracer, a new GWT tool that can tell you exactly where time is going within the browser. For all I/O 2010 sessions, please go to code.google.com From: GoogleDevelopers Views: 7 0 ratings Time: 01:00:53 More in Science & Technology

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• BizTalk 2010 - BAM Portal - No Views to Display

  - by Stuart Brierley

  Our latest BizTalk Server 2010 development project is utilising BizTalk as the integration ring around a new and sizable implementaion of Dynamics AX 2012. With this project we have decided to use BAM to monitor the processes within our various new applications.Although I have been specialising in BizTalk for around 9 years, this is my first time using BAM so it is an interesting process to be going through.Recently when deploying a solution I was attempting to check the BAM Portal to see that the View that I had created was properly deployed and that the Activity I was populating was being surfaced in the Portal as expected. Initially I was presented with the message "No view to display" in the "My Views" area of the BAM Portal landing page.This was because you need to set the permissions on the views that you want to see from the command line using the bm.exe tool:bm.exe add-account -AccountName:YourServerOrDomain\YourUsername -View:YourViewThis tool can be found in the BAM folder at the BizTalk installation location:C:\Program Files (x86)\Microsoft BizTalk Server 2010\Tracking

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• Form Validation, Dependant Drop Downs, Data Level Security in OWS for DotNetNuke - 5 Videos

  In this tutorial we demonstrate some very advanced techniques for building a car parts application in Open Web Studio. Throughout the tutorial we cover form input, validation, how to use dependant drop down lists, populating checkbox lists and introduce a new concept of data level security. Data level security allows you to control which data a user can access within a module. The videos contain: Video 1 - How to Setup Form Validation Video 2 - Car Parts Application, Assigning Security Roles into a Global Session Variable Video 3 - How to Build the Categories Module with Data Level Security Video 4 - How to Build the SubCategories Module and Use SubQuery Video 5 - How to Build the Car Parts List Module Total Time Length: 44min 19secsDid you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• transparent home directory encryption

  - by user86458

  #1 I'm very new to the ubuntu home directory encryption or rather ecryptfs folder encryption. I read about the same within Dustin's blog & tried implementing it. Problem or query is my home directory is encrypted & has a www folder ... now when I reboot the system the decryption doesnt happen at startup/boot & apache is not able to find the files rather the folder www since it is not mounted ... in order to mount it I have to login .... is there a way by which an encrypted home / private folder can be mounted at boot without human intervention ? #2 I have installed ubuntu server 11.10 & had selected "encrypt home directory" when installing the same. With ubuntu things are working transparently even after reboot & without logging in. Kindly can anyone pls explain or guide on the same ?

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• Upgrade or replace a Wubi installation?

  - by Torben Gundtofte-Bruun

  I've got Windows 7 with Wubi 11.10 installed. I would like to upgrade to 12.04 but I'm not sure what the best path would be. I'm not skilled enough to use Ubuntu all the time, and my iPhone requires me to run some Windows version for the damn iTunes software. I would love to run Windows XP but I can't figure out how to install it via USB -- my computer has no cd drive. I'd like to run Windows XP and Wubi 12.04 on top of that. Or, perhaps, Ubuntu 12.04 natively and Windows XP alongside of that. So I guess I have 2 questions: (lazy) Should I upgrade my Wubi from inside Ubuntu, or should I remove Wubi 11.10 from within Windows and install a brand new Wubi 12.04? (proper) How can I install Windows XP and Ubuntu 12.04 alongside each other? Update: I am going to create a separate question post about the above #2 question... I realize it's wrong to ask two questions in one post when they are that different.

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• What do you use to organize your team knowledge?

  - by Stefano Verna

  Last year, me and three good old friends of mine founded a small web/mobile development team. Things are going pretty well. We're learning a lot, and new people are joining the group. Keeping knowledge always updated and in-sync is vital for us. Long emails threads are simply not the way to go for us: too dispersing and confusing, and hard to retrieve after a while. How your team manages and organizes common knowledge? How do you collect and share useful resources (articles, links, libraries, etc) inside your team? Update: Thanks for the feedback. More than using a wiki to share team common procedures or informations, I'd like to share external links, articles, code libraries, and be able to comment them easily within my team. I was particularly interested in knowing if you're aware of any way/webservice to share a reading list with a team. I mean, something like Readitlater/Instapaper, but for teams, maybe with some stats available, like "# of coworkers who read it".

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• What is an acceptable GC frequency for a SlimDX/Windows/.NET game?

  - by Rei Miyasaka

  I understand that the Windows GC is much better than the Xbox/WP7 GC, being that it's generational and multithreaded -- so I don't need to worry quite as much about avoiding memory allocation. SlimDX even has some unavoidable functions that generate some amount of garbage (specifically, MapSubresource creates DataBoxes), yet people don't seem to be too upset about it. I'd like to use some functional paradigms to write my code too, which also means creating objects like closures and monads. I know premature optimization isn't a good thing, but are there rules of thumb or metrics that I can follow to know whether I need to cut down on allocations? Is, say, one gen 0 GC per frame too much? One thing that has me stumped is object promotions. Gen 0 GCs will supposedly finish within a millisecond or two, but if I'm understanding correctly, it's the gen 1 and 2 promotions that start to hurt. I'm not too sure how I can predict/prevent these.

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• Diagramming software with API allowing high customisation of shapes and actions

  - by jenson-button-event

  I am after something like Visio or Lucid. A relatively simple charting/diagramming tool, to build tree-like structures from (my) pre-defined nodes (squares), but with a powerful API. Requirements: limit the type of objects allowed to be dropped on the diagram validate a model (e.g. node of type A must precede node of type B; must enter node Title) export a model import a model Our domain is very specific, and its a tool we'd want to offer to some of our power users. The $500 Visio licence isn't really within the business model. I'll put no constraints on framework or deployment (web or desktop) - is there anything out there?

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• OPN Certification during Oracle PartnerNetwork Exchange at OpenWorld

  - by Harold Green

  Join Us and Earn Your OPN Certification during Oracle PartnerNetwork Exchange at OpenWorld San Francisco, October 1-4, 2012 As a benefit to partners attending this year's OPN Exchange event, the Oracle Partner Network is offering Certification testing free of charge* to over 100 exam titles.  Successful completion of these exams give you the credential of Certified Specialist and counts toward your company Specialization and upgrade within the OPN Program.  Exams are offered during 10 different sessions and spaces will fill up quickly.   All you need to do is register for OPN Exchange and then select your session using the schedule builder.  On the day of your exam, be sure to bring your OPN Company ID, and Oracle Testing ID (Pearson VUE account ID).  Study guides are available online in the links below. Don't miss this exclusive opportunity to become Oracle Certified this year at Oracle PartnerNetwork Exchange at OpenWorld 2012.  Event Link: http://www.oracle.com/opnexchange/learn/test-fest/index.html *Available exams: http://www.oracle.com/partners/en/most-popular-resources/oow-testfest-exams-1836714.html

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• How can Java be improved so that it no longer needs to perform type erasure? [closed]

  - by user63904

  The official Java tutorial on generics explains type erasure and why it was added to the compiler: When a generic type is instantiated, the compiler translates those types by a technique called type erasure — a process where the compiler removes all information related to type parameters and type arguments within a class or method. Type erasure enables Java applications that use generics to maintain binary compatibility with Java libraries and applications that were created before generics. This most likely was a pragmatic approach, or perhaps the least painful one. However, now that generics is widely supported across the industry, what can be done in order for us to not need type erasure? Is it feasible with out needing to break backwards compatibility, or if it is feasible, is it practical? Has the last the last statement in the quote above become self referential? That is: "type erasure enables Java applications that use generics to maintain binary compatibility with Java libraries and applications that were created with Java versions that perform type erasure."

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• Broken Links in different browsers

  - by kdorival

  Hi I'm having problems with our website, http://www.accessiblehomehealthcare.com, which is a wordpress 2.7 (version). All of a sudden our RSS links broke on the right side, which has happened before and I fixed it within 5 mins. Now, when I fix it, it doesn't look right in different version of I.E. or Firefox, I have I.E. 8 and Firefox 3.6.15 and it looks good for the most part, but there are a few parts where the links are broken. One browser the links would look ok but go to another page and the links or logos would be broken. Certain parts of the website should be static(identical) to the other pages of the site, but if a link is broken on one page, its perfect on another page. I was wondering was there a secret code for wordpress to keep the sites compatible with all browser versions or is there a bigger issue???? Any help or suggestions will help???

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• How can I determine whether a shellscript runs as root or not?

  - by EvilPhoenix

  This is something I've been curious about. I make a lot of small bash scripts (.sh files) to do tasks that I routinely do. Some of those tasks require everything to be ran as superuser. I've been curious: Is it possible to, within the BASH script prior to everything being run, check if the script is being run as superuser, and if not, print a message saying You must be superuser to use this script, then subsequently terminate the script itself. The other side of that is I'd like to have the script run when the user is superuser, and not generate the error. Any ideas on coding (if statements, etc.) on how to execute the aforementioned?

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• Is Ubuntu MAAS free? Will it remain like that?

  - by Bruno Pereira

  Ubuntu MAAS, very cool, awesome in fact, looks like a unique tool for several jobs. It looks free, but part of its documentation starts already with clauses that would scare anyone with interest in it: Documentation is copy righted by Canonical; Documentation must be used only for non-commercial purposes; If documentation is distributed within the non-commercial clause you must retain copyright; It just sounds a lot for a guide on how to install MAAS + Juju + Openstack and that scares me a bit. Under what license is Ubuntu MAAS distributed and what would be the reasoning for being so worried about copyrighting a guide like that so heavily? Is Ubuntu MAAS free? Will it continue like that?

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• Preventing Duplicates on Google

  - by abel

  I am currently using a rewrite rule to enable access to .php pages, without using the php extension. However to prevent old links from breaking, the pages can still be accessed via links containing the .php extension too. For eg. domain.com/page.php can now be accessed at domain.com/page All the links on the website now use domain.com/page type links within the site. However older incoming links will still link to the .php pages, meaning Google will index both pages and mark them as duplicate. I have two plans to remedy the situation. Use a php 301 redirect: When a page is accessed with the .php extension, I can redirect each page individually using a 301 redirect using php Using Canonical: Place a canonical tag on each page, pointing to the ".php" less version My Question: Are both methods equally efficacious in preventing Google from indexing my ".php" pages? Which method should be preferred, by convention or otherwise?

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• Jumpshare Makes It Dead Simple To Drag, Drop, and Share 150+ File Formats

  - by Jason Fitzpatrick

  If you’re looking for a super simple way to share files with friends and coworkers Jumpshare offers drag and drop file transfer with a powerful built in file viewer. You don’t need to register, install any software, or do anything but drag the file, drop it onto the Jumpshare interface, and share the link with your friend. Share the link and your friend can watch the real-time progress of the file upload as well as download or view the completed files within the Jumpshare file viewer. Files are hosted for two weeks before deletion. Hit up the link below to take it for a test drive. Jumpshare HTG Explains: Is ReadyBoost Worth Using? HTG Explains: What The Windows Event Viewer Is and How You Can Use It HTG Explains: How Windows Uses The Task Scheduler for System Tasks

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• if ('constant' == $variable) vs. if ($variable == 'constant')

  - by Tom Auger

  Lately, I've been working a lot in PHP and specifically within the WordPress framework. I'm noticing a lot of code in the form of: if ( 1 == $options['postlink'] ) Where I would have expected to see: if ( $options['postlink'] == 1 ) Is this a convention found in certain languages / frameworks? Is there any reason the former approach is preferable to the latter (from a processing perspective, or a parsing perspective or even a human perspective?) Or is it merely a matter of taste? I have always thought it better when performing a test, that the variable item being tested against some constant is on the left. It seems to map better to the way we would ask the question in natural language: "if the cake is chocolate" rather than "if chocolate is the cake".

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• Advertising cookies ( ad sense ) on google chrome [closed]

  - by zack

  ok first I'm not sure if this is right stackexchange site to ask but I'm not sure if there is better one as question is quite general When I visit one site, and if this site runs google adsense campaign, I can see its ads on other sites. I suppose this is cookie from this site and than it's showing ads using the cookie However, I removed this specific cookie and cleared cache, and I can still see this same ad showing on other sites running adsense My question is, is there is something wrong with google chrome, is there a possibility that Google stores data within google chrome itself? If not, how else they could trace which ads to show?

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• Is there industry demand for developers who have no GUI experience?

  - by James Jeffery

  Is there still demand for developers who crate software without GUI's in the industry? Are jobs still in demand? I only ask because I write a lot of software for myself in C. I mainly use FreeBSD without a GUI. My software is for data mining, automation and marketing purposes most of the time as this is the field I work in. I find that a GUI is not needed and I feel comfortable working within a console. I've never worked for a company as a programmer, but in the industry do you have dedicated programmers who work exclusively on the GUI's and other who write the logic?

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• Convert each slide to PNG with LibreOffice Impress in terminal with excel graph

  - by Dean

  I need to convert each slide in a powerpoint presentation to a PNG with the command line. I have tried to convert it to a PDF then to individual PNGs but the images haven't exported properly. These images are graphs originally from Microsoft Excel. If I export it as a PNG from within LibreOffice the graph exports properly, but not if I convert it to a PDF first using unoconv or the export tool in LibreOffice Impress. Here is a couple of examples, in impress: As you can see the image works. But when this is exported to PDF it looks like: So whats going wrong? As if its directly exported to PNG in libreoffice it looks exactly as is in the presentation. Also if I convert it to the LibreOffice file format this also happens.

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• Phonon - Audio Hardware Setup

  - by Michael

  Does anyone know what configuration file is modified when I change settings within this area of the system settings? I keep choosing my Logitech USB Headset as the soundard, and, when I hit apply, it accepts that change and all is good. However, as soon as I close the system settings window, it loses the setting, so I have to leave it open all the time. How can I make this setting permanent? Thanks for any assistance. I'm actually running Kubuntu 11.10.

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• Efficient way to calculate "vision cones" on 2D tile map?

  - by OverMachoGrande

  I'm trying to calculate which tiles a particular unit can "see" if facing a certain direction on a tile map (within a certain range and angle of facing). The easiest way would be to draw a certain number of tiles outward and raycast to each tile. However, I'm hoping for something slightly more efficient. A picture says a thousand words: The red dot is the unit (who's facing upwards). My goal is to calculate the yellow tiles. The green blocks are walls (walls are between tiles, and it's easy to check if you can pass between two tiles). The blue line represents something like the "raycasting" method I was talking about, but I'd rather not have to do this. EDIT: Units can only be facing north/south/east/west (0, 90, 180, or 270 degrees) and FoV is always 90 degrees. Should simplify some calculations. I'm thinking there's some sort of recursive-ish/stack-based/queue-based algorithm, but I can't quite figure it out. Thanks!

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• Is the "One Description Table to rule them all" approch good?

  - by DavRob60

  Long ago, I worked (as a client) with a software which use a centralized table for it's codified element. Here, as far as I remember, how the table look like : Table_Name (PK) Field_Name (PK) Code (PK) Sort_Order Description So, instead of creating a table every time they need a codified field, they where just adding row in this table with the new Table_Name and Field_Name. I'm sometime tempted to use this pattern in some database I design, but I have resisted to this as from now, I think there's something wrong with this, but I cannot put the finger on it. It is just because you land with some of the structure logic within the Data or something else?

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