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• Performance Testing &ndash; Quick Reference Guide &ndash; Released up on CodePlex

  - by Shawn Cicoria

  Why performance test at all right?  Well, physics still plays a role in what we do.  Why not take a better look at your application – need help, well, the Rangers team just released the following to help: The following has both VS2008 & VS2010 content: http://vstt2008qrg.codeplex.com/ Visual Studio Performance Testing Quick Reference Guide (Version 2.0) The final released copy is here and ready for full time use. Please enjoy and post feedback on the discussion board. This document is a collection of items from public blog sites, Microsoft® internal discussion aliases (sanitized) and experiences from various Test Consultants in the Microsoft Services Labs. The idea is to provide quick reference points around various aspects of Microsoft Visual Studio® performance testing features that may not be covered in core documentation, or may not be easily understood. The different types of information cover: How does this feature work under the covers? How can I implement a workaround for this missing feature? This is a known bug and here is a fix or workaround. How do I troubleshoot issues I am having

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• Updating, etc., automatically

  - by Steve D

  Is there a way to set up Ubuntu 12.04 (or earlier versions) so that all recommended updates are done automatically, say once a week? When I say automatically, I mean no password entry or user intervention required. This sounds like a stupid request, so let me tell why I'm asking. My grandfather knows nothing about computers; he uses his solely to read Yahoo! mail. I want to get rid of his clunky, spyware-ridden Windows XP and install Ubuntu. I want to set it up so when he turns the computer on, after a couple minutes, voila!, Yahoo! mail, already signed in, ready to go. The problem is I don't want to have to go over there every week or so and make sure everything is up-to-date, he hasn't accidentally installed any spyware, etc. So can this be done? Is this the best way to set things up for my grandfather? Are there other things I should be worried about when it comes to keeping things hassle-free for him? Please don't post anything like "why not teach him how to... blah blah blah". My grandfather is 80 years old and has made it clear email is the only thing he will ever use a computer for! Thanks!

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• Need old version Firefox Java plugin

  - by Bryan

  I need to use Java 1.6.0_20 for the software I'm running. I went to the Oracle website and downloaded jre1.6.0_20 and installed it on my computer, but can't seem to get Firefox to load Java. If I download directly from http://www.java.com/en/download/manual.jsp, the plugin works fine but is the wrong version, and I can't find on www.java.com anywhere to download any of the previous versions. According to the help (can't post link because of spam prevention), I need to go into the Java Control Panel and enable it for Mozilla. I've done this multiple times, but every time I go in to the control panel and check the box, click Apply and Save, as soon as I go back in the box is unchecked. Does anyone know either why the box is unchecked, or where I can download the old JRE that also is configured for Firefox?

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• Where can I find more information on "Kinds of Information Systems" [on hold]

  - by arielnmz

  Disclaimer: This is not a Power User question, but rather more of the Computer Enthusiasts kind. Also, I don't know the right site to post this kind of question. I'm writing a paper in which I am asked to mention and describe "5 types of information systems" to which my teacher explained: Like Web, Mobile, etc…, for example… He also said that we're not able to mention and describe those mentioned above. So the question is: What is the right topic to research or look into for more information about these different types of "information systems"?

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• Can you boot/install/restore a MacBook Pro with a MacBook Air USB stick?

  - by zekel

  The new MacBook Airs don't have optical drives, so you can't install or restore the OS via DVD. They include a little USB stick for this purpose. I have a MacBook Pro and a MacBook Air. Does anyone know if it will work with my MacBook Pro? I'm thinking about removing my optical drive to put in another HD. The only sticky situation I might get into is if I need to do an install or restore on the road without an external DVD drive. (Good article on replacing optical drive with hard drive enclosure: remiel.info/post/1601242301/making-the-leap-to-ssd-on-a-macbook)

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• What Computing/Programming Qualifications should I aspire for

  - by indevel

  I am a computing science post graduate in my first job from after my degree. During my 12 month review my boss posed the question "What can we do for you in terms of progressing your career?". This got me thinking, after university I hadn't really thought about what other qualifications were available. So this is my question, what courses/qualifications should I be looking to do. Which are highly regarded and which would be really useful to complete. I've searched Google it but all I see is a jumble of courses with no idea of the credibility of each. Any help is much appreciated. I'm traditionally a systems architect, but with this job I've turned to more embedded work so Id like to edge towards electronics, embedded programming, real time OS to help with my work also it would be more likely to be accepted if it was related to my job. Finally UK based courses/ qualifications are a must as travel is probably out of the question. Help me grow as a programmer.

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• Can't use HTTPS with ServerXMLHTTP object

  - by Imraan

  I am supporting a Classic ASP application that connects to a payment gateway via HTTPS. Up until recently there have been no issues. A few days ago this broke without the code, IIS config or anything local changing. Its broken on at least 3 separate servers. The last run of Windows Updates was in late November, but bringing the servers' updates up date has not resolved the problem. A code snippet is below. Dim oHttp Dim strResult Set oHttp = CreateObject("MSXML2.ServerXMLHTTP") oHttp.setOption 2, 13056 oHttp.open "POST", SOAP_ENDPOINT, false oHttp.setRequestHeader "Content-Type", "application/soap+xml; charset=utf-8" oHttp.setRequestHeader "SOAPAction", SOAP_NS + "/" & SOAP_FUNCTION oHttp.send SOAP_REQUEST Below is a dump of the error object :- Number: -2147012852 Description: A certificate is required to complete client authentication Message: A certificate is required to complete client authentication I initially posted the question on Stackoverflow (http://stackoverflow.com/questions/9212985/cant-use-https-with-serverxmlhttp-object) thinking it was a code issue, but further investigation seems to point to a server issue.

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• [EF + Oracle]Object Context

  - by JTorrecilla

  Prologue After EF episodes I and II, we are going to see the Object Context. What is Object Context? It is a class which manages the DB connection, and the different Entities of our model. When Visual Studio creates the EF model, like I explain previously, also generates a Class that extends ObjectContext. ObjectContext provides: - DB connection - Add, update and delete functions. - Object Sets of Entities. - State of Pending Changes. This class will give a function, for each Entity, like  Esta clase va a contar con una función, para cada entidad, del tipo “AddTo{ENTITY}({Entity_Type } value)”, which are going to add a Entity to the related ObjectSet. In addition, it has a property, for each Entity, like “ObjectSet<TEntity> Entity”, does will keep the related record set. It will be filled with the CreateObjectSet<TEntity> function of Base class (ObjectContext). What is an ObjectSet? It is a class that allows us to manage the Entity Set from a Type. It inherits from: · ObjectQuery<TEntity> · IObjectSet<TEntity> · IQueryAble<TEntity · IEnumerable<TEntity · IQueryAble · IEnumerable An ObjectSet is a class property that allows query, insert, delete and update records from a determinate Entity. In following chapters we will see how to query Entities. LazyLoadingEnabled A very important property of the Context is “LazyLoadingEnabled”. This Boolean property lets indicate if the data loading is lazy, in other words, the Object will not be created and query until not be needed. Finally In this post we have seen what the VS generated context is, some of the characteristics, and where to see Entity data. In next chapters we will see, CRUD operations, and how to query ObjectSets.

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• Problem connecting with RDP between Mac and Win2k3 server

  - by salle55

  I have an iMac running Mac OS X 10.5.8 and the RDP Connection Client 2.0.1. http://salle.dyndns.org/misc/rdp%5Fproblem1.png When I try to connect to a Windows 2003 Server on the same network I get a dialog saying "Remote Desktop Connection cannot verify the identity of the computer that you want to connect to". Picture: salle.dyndns.org/misc/rdp_problem2.png And when I press the Connect-button in the previous dialog I get the same message in another dialog: Picture: salle.dyndns.org/misc/rdp_problem3.png I can connect to the Win2k3 server from a Vista machine, and it used to work from the Mac as well. I stopped working from the Mac after I did some configuration on the win2k3 server, removed and added the the connection in the Terminal Services Configuration: Picture: salle.dyndns.org/misc/rdp_problem4.png What do I need to do to be able to connect from the Mac again? (I have not enough reputation to post multiple links or images)

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• What to do with old hard drives?

  - by caliban

  I have over 100+ old hard drives, ranging from 100MB Quantums to 200GB WDs, most of them PATA, some SATA. Most still working. The squirrel mentality runs in my family - hoard everything, discard nothing. Thus, and this is a relevant question - any suggestions on how to put these drives to use (anything) instead of them just being deadweights and space takers around the office? Hopeful objectives and suggestions to keep in mind when you post an answer : Should showcase your geekiness, or plain fun, or serve a social purpose, or benefit the community. You do not need to limit your answer to only one hard drive - if your project needs all 100++, bring it on! Your answer need not be limited to one project per hard drive - if one hard drive can be used for multiple projects, bring it on! If additional accessories need be purchased, make sure they are common. Don't tell me to get a moon rock or something. The projects you suggested should serve a utility, and not just for decoration purposes.

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• Can someone help me?

  - by user38124

  Sorry, but I want to say something here, my friend have a new software called "Edited out see revisions 8.0", it can help people to reset any windows password. As I am kind for this website, so I want to know where can help me to submit it? Can you give me some advice? Here is a lilltle message about key 8.0: blablabla spam marketing can I submit the software link here ? for this, friends who view my post can go and help me for some advices to improve it? Thank you very much!

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• Lots of Internet browsing issues, all browsers

  - by dario_ramos

  Before the upgrade, everything was working fine. Now, however, I can connect to the Internet but a lot of stuff fails, and the weirdest thing is that it happens with Firefox, Chromium and Opera. Some of the things that fail: I can't log in to Stack Overflow, after entering user/pass it loads for a long time on Firefox and throws Error 408 (browser request timed out) on Chromium and Opera I can't log in to Hotmail, similar symptoms I can login to Facebook, but when I try to write a comment, or just post something in my wall, it stays loading for a long time, and then fails The first two issues seem to be related to secure pages, and the second one is another issue altogether, I believe. However, they all happen with all browsers, which is really weird. Talking about weird: I connect using a Huawei SmartAX MT 810 USB modem, which cost me blood and tears to get it working under Ubuntu. I ordered an ethernet modem/router with my ISP, and I'm still waiting, but this issue intrigues me anyway. Has anyone experienced this kind of problems? I Googled around, but couldn't find a similar case.

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• Creating a seperate static content site for IIS7 and MVC

  - by JK01

  With reference to this serverfault blog post: A Few Speed Improvements where it talks about how static content for stackexchange is served from a separate cookieless domain... How would someone go about doing this on IIS7.5 for a ASP.NET MVC site? The plan so far: Register domain eg static.com, create a new website in IIS Manually copy the js / css / images folders from MVC as is so that they have the same paths on the new server Enable IIS gzip settings (js/css = high compression, images = none) Set caching with far future expiry dates <clientCache cacheControlCustom="public" /> in the web.config Never set any cookies on the static.com site Combine and minimize js / css Auto deploy changes in static content with WebDeploy Is this plan correct? And how can you use WebDeploy to deploy the whole web app to one server and then only the static items to another? I can see there is a similar question, but for apache: Creating a cookie-free domain to serve static content so it doesn't apply

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• How can I make my browser(s) finish AJAX requests instead of stopping them when I switch to another page?

  - by Tom Wijsman

  I usually need to deal with things on a page right before switching to yet another page, this ranges from "liking / upvoting a comment or post" up to "an important action" and doesn't always come with feedback on whether the action actually proceeded. This is a huge problem! I assume the action to proceed once I start the particular AJAX request, but because I switch to another page it didn't actually happen because the AJAX request got aborted. This has left me several times with coming back to the page and seeing my action didn't take place at all; to give you an idea how bad this is, this even happened once when commenting on Super User! Is there a way to tell my browser to not drop these AJAX connections but simply let them finish?

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• lighttpd not reliable

  - by schneck

  Hi there, I have a lighttpd running which serves a django-based webservice. It was running well for some months, but from today on, it returns a 410 sometimes, and sometimes fails silently. To test, I make a curl-call, which most time runs fine; it returns some json test-data. Some times. however, it does not return any data, but the call seems to have run well, since I don't get an error code. When I post to my webservice via third-party-packaged like boto, I sometimes get a "410 gone" - but I do not find any entry in the lighttpd error log. Any ideas what the problem could be or how to avoid this? Thanks a lot

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• Returning "200 OK" in Apache on HTTP OPTIONS requests

  - by i..

  I'm attempting to implement cross-domain HTTP access control without touching any code. I've got my Apache(2) server returning the correct Access Control headers with this block: Header set Access-Control-Allow-Origin "*" Header set Access-Control-Allow-Methods "POST, GET, OPTIONS" I now need to prevent Apache from executing my code when the browser sends a HTTP OPTIONS request (it's stored in the REQUEST_METHOD environment variable), returning 200 OK. How can I configure Apache to respond "200 OK" when the request method is OPTIONS? I've tried this mod_rewrite block, but the Access Control headers are lost. RewriteEngine On RewriteCond %{REQUEST_METHOD} OPTIONS RewriteRule ^(.*)$ $1 [R=200,L]

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• Can observer pattern be represented by cars and traffic lights?

  - by eeerahul

  I wanted to verify with all of you, if I have a correct Observer Pattern analogy. The scenario is as follows: Consider, at a junction, there is a traffic signal, having red, yellow and green lights respectively. There are vehicles facing the traffic signal post. When it shows red, the vehicles stop, when it shows green, the vehicles move on. In case, it is yellow, the driver must decide whether to go or to stop, depending on whether he/she has crossed the stop line or not. At the same time, there are vehicles that do not care about the signal. They would do as they like. The similarities are that, the Traffic Signal happens to be the subject, notifying its states by glowing the appropriate lights. Those looking at it and following the signal are the ones subscribed to it, and behave according to the state of the subject. Those who do not care about it, are sort-of un-subscribed from the traffic signal. Please tell me, if you think this is a correct analogy or not?

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• Shader compile log depending on hardware

  - by dreta

  I'm done with the core of my graphics engine and I'm testing it on every platform I can get my hands on. Now, what I noticed is that different drivers return different shader and program compile log content. For example, on my friend's laptop if you successfuly compile a shader then the log is simply empty. However on my PC I get some useful information along with it. So if I compile a vertex shader, I'll get: Vertex shader was successfully compiled to run on hardware. Which isn't that impressive, but is what happens when I compile a program. On my friend's computer the log is empty, since the program compiles. However on my own computer I get: Vertex shader(s) linked, fragment shader(s) linked. Which is awesome, because I'm attaching a geometry shader with 0 (I have a geometry shader file with trash, so it doesn't compile and the pointer is set to 0), and the compiler just tells me which shaders linked. Now it got me thinking, if I was going to buy a graphics card, is there a way for me to get the information about whether or not I'll get this "extended" compile information? Maybe it's vendor specific? Now I don't expect an answer TBH, this seems a bit obscure, but maybe somebody has any experience with this and could post it.

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• Handling expected supervisord exit codes

  - by Mulkave

  I am using supervisord inside a Docker container to manage my running processes and would like to also use it to trigger certain commands - run them once and expect them to exit with 0. Here's one example: [program:central-seed-posts] command = /usr/bin/php /var/www/app/artisan post autostart = false autorestart = false startsecs = 3 startretries = 0 exitcodes = 0 stderr_logfile=/tmp/central/posts-stderr-supervisor.log stdout_logfile=/tmp/central/posts-stdout-supervisor.log And I'm using nsenter's docker-enter with supervisorctl start central-seed-posts to trigger it but I would also like to handle a successful exit instead of supervisor telling me ERROR (abnormal termination) Does it have to do with supervisor events ?

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• How to know if it's phishing or not in android apps?

  - by Zakaria Dza

  In IM apps (not only), there is a browser frame that appears and prompts for example to connect to facebook account, ebuddy for example (can't post pictures :( ) http://nsa34.casimages.com/img/2013/06/26//130626121230193046.jpg My question is: how can I know if this frame is from facebook.com and not a phishing website. I know that the apps in the play store are legit (mostly at least), but how can we trust apps that we install from outside the store? Or is there any way to check the credentials form action? Thanks for your answers and sorry for my bad english. (And sorry for the picture, couldn't make a screenshot ;-) )

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• Test JPQL with NetBeans IDE 7.3 Tools

  - by Geertjan

  Since I pretty much messed up this part of the "Unlocking Java EE 6 Platform" demo, which I did together with PrimeFaces lead Çagatay Çivici during JavaOne 2012, I feel obliged to blog about it to clarify what should have happened! In my own defense, I only learned about this feature 15 minutes before the session started. In 7.3 Beta, it works for Java SE projects, while for Maven-based web projects, you need a post 7.3 Beta build, which is what I set up for my demo right before it started. Then I saw that the feature was there, without actually trying it out, which resulted in that part of the demo being a bit messy. And thanks to whoever it was in the audience who shouted out how to use it correctly! Screenshots below show everything related to this new feature, available from 7.3 onwards, which means you can try out your JPQL queries right within the IDE, without deploying the application (you only need to build it since the queries are run on the compiled classes): SQL view: Result view for the above: Here, you see the result of a more specific query, i.e., check that a record with a specific name value is present in the database: Also note that there is code completion within the editor part of the dialog above. I.e., as you press Ctrl-Space, you'll see context-sensitive suggestions for filling out the query. All this is pretty cool stuff! Saves time because now there's no need to deploy the app to check the database connection.

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• Need help creating a batch file to replace "." with "-"

  - by Brandon Ogle

  Like the title says, I need help creating a batch file to replace "." with "-", however I need to perserve the file extensions and it needs to work through the subfolders. I found another post on here that got the effect I wanted but it also swapped the . in my file extensions. I am a completely ignorant regarding shell script so please be detailed in your response. I have no idea what any of the switches mean or even how to specify the path for that matter. Thanks!

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• How do I find broken symlinks automatically on Windows?

  - by HughG

  Not sure if this is bad style, but I'm asking this question here because I couldn't find the answer elsewhere, and then I worked out one solution on my own. I'd be interested to see other people's solutions, but after a few days I'll post my own. In my specific case, I'm running on Windows 7, but I'd be interested in answers for other/older versions of Windows. I realise that one answer is "install a version of Unix find, and then solve as for Unix", but I wanted a more "native" solution. EDIT 2012-07-17: Clarification: by "automatically" I ideally mean something I can run as part of a script, rather than a GUI tool which does all the work at the press of a button, because I'll want to do this unattended.

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• Cisco 2950 Express Setup

  - by adamtor45

  I've been donated a Cisco Catalyst 2950 Switch by the company I work for to have a play with. I've reset it back to Factory Defaults, but having an issue with getting to Express Setup. I've followed the Express Setup (And Factory Reset) guide as listed here: Catalyst 2950 Switch Getting Started Guide Everything goes fine, until I get to step 10, I enter 10.0.0.1 into the browser, but I just get a Error 324 response. ServerFault wouldn't let me post a picture, so here is a link to the browser screenshot: Does anyone have any suggestions as to what this may be? Thanks in advance!

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• RAM Part Numbers - Meaning?

  - by 1Up

  I hope this is the appropriate stackexchange to post this question. EDIT: I'm attempting to replace faulty ram and am trying to understand the meanings of the label to make correct decision. I have a 2gb stick of ram which appears to have gone bad. It is a SAMSUNG Top line: 2GB 1Rx8 PC3-10600U-9-10-A0 The part number: M378B5773CH0-CH9 1051 Doing a number of searches, I end up here: http://www.reusetek.com/samsung-m378b5773ch0-ch9-1110-4gb-2x2gb-1rx8-pc310600u-09-10-a0-ddr3-desktop-memory/ M378B5773CH0-CH9 1110 Notice there is a difference: 1051 OR 1110 What is the meaning of the part number, and the last 4 digits? Is this a significant difference, and one that affects the machine?

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