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• NetBeans at JavaOne Latin America 2012

  - by TinuA

  The place to be in early December is Sao Paolo, Brazil, for JavaOne 2012 Latin America (pt_ BR site)--and the NetBeans team will be making the trip!Drop-in on technical sessions and hands-labs that show the latest features of the NetBeans IDE in action. Watch demos of HTML5, CSS3 and JavaScript support in NetBeans IDE 7.3 (Release: Winter 2013) and find out how developers can easily and quickly create rich Web and mobile applications. Discover how the IDE provides the best and latest support for building JavaEE and JavaFX 2.0 applications, and join the conversation about what's up ahead for NetBeans development.With over 50 technical sessions, tons of demos and labs, JavaOne Latin America is the conference to attend to enhance your coding skills and mingle with experts and developers from the Oracle and Java communities. Mark your calendars and check out NetBeans IDE in the following sessions! Tuesday, December 4 12:15 - 13:15 Designing Java EE Applications in the Age of CDI Speakers: Michel Graciano, Consultant, Summa Technologies do Brasil; Michael Santos, TecSinapse Mezanino: Sala 14 Wednesday, December 5 10:00 - 11:00 Make Your Clients Richer: JavaFX and the NetBeans Platform Speakers: Gail Anderson, Director of Research; Paul Anderson, Director of Training, Anderson Software Group, Inc. Mezanino: Sala 12 Thursday, December 6 13:45 - 14:45 Unlocking the Java Platform with NetBeans Speaker: John Jullion-Ceccarelli, Software Development Director, Oracle Keynote Hall 15:00 - 16:00 Project EASEL: Developing and Managing HTML5 in a Java World Speaker: John Jullion-Ceccarelli, Software Development Director, Oracle Mezanino: Sala 14 See full conference schedule for detailed agenda. Get more JavaOne news.

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• Subscription based eCommerce Site selling Physical Goods

  - by Kash

  I want to implement a system where customers can buy physical products as subscription with recurring billing. Customers will come to my site, visit product page and buy stuff. They need to register an account before purchasing. After registration they will be forwarded to payment processor for payment and after successful payment they will be returned back to my site. Requirement: I dont want to use Paypal as a payment processor. It will be recurring payment on monthly, quarterly, bi-annual or annual basis. Customers can login to my site in order to view their Order History, Profile Management and can edit their Billing and/or Shipping details. Customers can cancel their Subscription any time after login to their account on my site. Plan: Currently I am using wordpress with WooCommerce plugin for eCommerce functionality. I am planning to use Amazon as a payment processor. I have searched WooCommerce Extension Drectory and found WC Subscription extension that can be used for my site. But I just confirmed from the Support WC Subscription only support recurring payment with Paypal and Stripe, no other payment processor is supported at the moment. Questions: According to my need, what will be the best solution? I am open to switch the platform from Wordpress to something else that can fulfill my requirement.

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• How can I generate a view or projection matrix for OpenGL 3.+

  - by Ken

  I'm transitioning from OpenGL 2 to OpenGL 3.+ and to GLSL 1.5. I'm trying to avoid using the deprecated features. My question how do we now generate the view or projection matrix. I was using the matrix stack to calculate the projection matrix for me; GLfloat ptr[16]; gluPerspective(...); glGetFloatv(GL_MODELVIEW_MATRIX, ptr); //then pass ptr via a uniform to the shader But obviously the matrix stack is deprecated. So this approach is not the best an option going forward. I have the 'Red Book', 7th ed, which covers 3.0 & 3.1 and it still uses the deprecated matrix functions in it's examples. I could write some utility-code myself to generate the matrices. But I don't want to re-invent this particular wheel, especially when this functionality is required for every 3D graphics program. What is the accepted way to generate world,view & projection matrices for OpenGL? Is there an emerging 'standard' library for this? Or is there some other hidden (to me) functionality in OpenGL/GLSL which I have overlooked?

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• RAM caching causes severe performance drops

  - by B T

  I have read plenty of threads on memory caching and the standard response of "large cache is good, it shouldn't effect performance", "the kernel knows best". I have recently upgraded from 12.04 to 12.10 and changed from VirtualBox to VMware Workstation and the performance differences are severe (I suspect it is because of the latter). When I am running my virtual machine the system load monitor graph shows less than 50% memory usage generally. System load indicator is showing me that the rest of my RAM is used in the cache all the time. Plain and simple this is the comparison: BEFORE Cache was very sparingly used, pretty much none of my memory usage was the cache Swappiness was 0 (caused my memory to be used first, then swap only if needed) Performance was quite good and logical RAM was used fully first, caching was minimal. I could run enough software to utilize my full 4GB of RAM without any performance degradation whatsoever Swap space was then used as needed which was obviously slower (I am on a HDD) but was still usable when the current program was loaded into memory AFTER Cache is used to fill the full 4GB as soon as my virtual machine is run Swappiness is 0 (same behaviour as before but cache uses full memory straight away) Performance is terrible and unusable while running Ubuntu software Basic things like changing windows takes 2 minutes + Changing screens happens frame by frame over sometimes up to 5 minutes Cannot run an IDE and VM like I could with ease before So basically, any suggestions on how to take my performance back to how it was before while keeping my current setup? My suspicion is VMWare is the problem, but how do I see what is tied to the use of the cache? Surely there is a way to control this behaviour in software as polished as VMware? Thanks EDIT: Could also be important to note that the behaviour differs depending on whether VMware is open or closed. If VMware is open, then the ram will lock at like 50% and 50% cache and go into the complete lock up mentioned above. Contrastingly, if VMware is closed (after being open), then the RAM will continue to rise as it needs / cache will stay as the complete remaining memory and there is no noticeable performance degradation.

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• Dealing with the customer / developer culture mismatch on an agile project

  - by Eric Smith

  One of the tenets of agile is ... Customer collaboration over contract negotiation ... another one is ... Individuals and interactions over processes and tools But the way I see it, at least when it comes to interaction with the customer, there is a fundamental problem: How the customer thinks is fundamentally different to how a software engineer thinks That may be a bit of a generalisation, yes. Arguably, there are business domains where this is not necessarily true---these are few and far between though. In many domains though, the typical customer is: Interested in daily operational concerns--short-range tactics ... not strategy; Only concerned with the immediate solution; Generally one-dimensional, non-abstract thinkers; Primarily interested in "getting the job done" as opposed to coming up with a lasting, quality solution. On the other hand, software engineers who practice agile are: Professionals who value quality; Individuals who understand the notion of "more haste less speed" i.e., spending a little more time to do things properly will save lots of time down the road; Generally, very experienced analytical thinkers. So very clearly, there is a natural culture discrepancy that tends to inhibit "customer collaboration". What's the best way to address this?

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• What is the standard place for static library files on Unix/Ubuntu

  - by Max

  Hi, I am trying to install a library manually, well actually just put it in a sensible location preferably in my LIB path. I have a lib[...].a file and a bunch of headers pertaining to that static library file. If I look under /usr/lib/ I see only .so files, likewise for /lib/, /lib32/ etc. I figure I could chuck it in there, but is there any place where it can get cozy with other .a files or is that as good place as any? I'm not an library expert, but I'm pretty sure it won't matter functionally, but I'd like to learn conventional best practice. Also, where is the standard place to put the headers? Thanks!

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• How not to suffer from ideologists when you're a pragmatic person?

  - by Lukas Eder

  My story: I'm a pragmatic person. Sometimes, the most simple solution to a problem to get the job done is the one that fits best for me, if its not an utter blasphemy and reproach to any design principles. Check out my answer to this question on stackoverflow. Simple. Works. Was accepted. Could be improved. Is clearly not perfect. And along comes this guy. He downvotes me, comments on the question how his answer is better, more accurate etc and calls me "plain wrong". Reminds me of this comic strip. :-) While on stackoverflow I can laugh at these things because those people are far away, in the real world I'm suffering from ideologies every now and then. Heck, I'm not creating a miracle piece of software, I need to keep that huge legacy thing running, and it's an adventure to me every day. I don't have the time or passion to beautify my code (or other people's code) to that extent. My question(s): How do you deal with ideologies / ideologists, when you're a pragmatic person? How do you deal with pragmatism / pragmatists, when you're an ideologic person? I'm interested in both point of views. Tell me your experience. But please, be fair, somewhat objective, and understand that you may NOT be entirely correct and your opinion is NOT the only true one... :-)

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• Displaying device contacts with an indication that the contact is registered to the app

  - by Prasanna Aarthi

  We are developing a mobile app that needs to pick up device contacts, display them and indicate if the contact has already registered with this app. We have our DB in the server and the app fetches data using web services. What will be the best approach to implement the above scenario taking performance into consideration. Option 1: Every time user opens the app,fetch the contacts and send the list of email addresses to the server, check with the registered email ids and return the list of registered users in the contact list. In this approach whenever user opens the particular page, he needs to wait for few seconds to load data, but the contacts will be the latest from the device. Option 2: First time when the user opens the app, fetch contacts ,send the entire list of contacts and save it in the DB, retrieve list of registered users in the contacts then save this to local DB. From now on, data will be fetched from local DB and displayed. When a new user registers in the app, again check with records in central DB and send list of new users who are in your contacts that have registered to your app. This list will be added to local DB. and the process continues. In this case the new contacts added by user will not be updated in the app but retrieval and display of records would be quick. What would be the correct approach? In case there is a better way of doing this, please let me know.

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• When to use http status code 404

  - by Sybiam

  I am working on a project and after arguing with people at work for about more than a hour. I decided to know what people on stack-exchange might say. We're writing an API for a system, there is a query that should return a tree of Organization or a tree of Goals. The tree of Organization is the organization in which the user is present, In other words, this tree should always exists. In the organization, a tree of goal should be always present. (that's where the argument started). In case where the tree doesn't exist, my co-worker decided that it would be right to answer response with status code 200. And then started asking me to fix my code because the application was falling apart when there is no tree. I'll try to spare flames and fury. I suggested to raise a 404 error when there is no tree. It would at least let me know that something is wrong. When using 200, I have to add special check to my response in the success callback to handle errors. I'm expecting to receive an object, but I may actually receive an empty response because nothing is found. It sounds totally fair to mark the response as a 404. And then war started and I got the message that I didn't understand HTTP status code schema. So I'm here and asking what's wrong with 404 in this case? I even got the argument "It found nothing, so it's right to return 200". I believe that it's wrong since the tree should be always present. If we found nothing and we are expecting something, it should be a 404. Extra Also, I believe the best answer to the problem is to create default objects when organizations are created, having no tree shouldn't be a valid case and should be seen as an undefined behavior. There is no way an account can be used without both trees. For that reasons, they should be always present.

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• Quarterly E-Business Suite Upgrade Recommendations: October 2012 Edition

  - by Steven Chan (Oracle Development)

  I've previously published advice on the general priorities for applying EBS updates.  But what are your top priorities for major upgrades to EBS and its technology stack components? Here is a summary of our latest upgrade recommendations for E-Business Suite updates and technology stack components.  These quarterly recommendations are based upon the latest updates to Oracle's product strategies, support deadlines, and newly-certified releases.  Upgrade Recommendations for October 2012 EBS 11i users should upgrade to 12.1.3, or -- if staying on 11i -- should be on the minimum 11i patching baseline, EBS 12.0 users should upgrade to 12.1.3, or -- if staying on 12.0 -- should be on the minimum 12.0 patching baseline, EBS 12.1 users should upgrade to 12.1.3. Oracle Database 10gR2 and 11gR1 users should upgrade to 11gR2 11.2.0.3. EBS 12 users of Oracle Single Sign-On 10g users should migrate to Oracle Access Manager 11g 11.1.1.5. EBS 11i users of  Oracle Single Sign-On 10g users should migrate to Oracle Access Manager 10g 10.1.4.3. Oracle Internet Directory 10g users should upgrade to Oracle Internet Directory 11g 11.1.1.6. Oracle Discoverer users should migrate to Oracle Business Intelligence Enterprise Edition (OBIEE), Oracle Business Intelligence Applications (OBIA), or Discoverer 11g 11.1.1.6. Oracle Portal 10g users should migrate to Oracle WebCenter 11g 11.1.1.6 or upgrade to Portal 11g 11.1.1.6. All Windows desktop users should migrate from JInitiator and older Java releases to JRE 1.6.0_35 or later 1.6 updates. All Firefox users should upgrade to Firefox Extended Support Release 10. Related Articles Extended Support Fees Waived for E-Business Suite 11i and 12.0 On Database Patching and Support: A Primer for E-Business Suite Users On Apps Tier Patching and Support: A Primer for E-Business Suite Users EBS Support Information Center + Patching & Maintenance Advisor Available on My Oracle Support What's the Best Way to Patch an E-Business Suite Environment?

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• How do I host multiple SSL websites on a single EC2 instance using Amazon Elastic Load Balancers?

  - by Developr

  If I have 3 separate websites which all require SSL (separate certificates) that I want to host on the same EC2 instance(s) across multiple availability zones so that we have the ability to scale and be highly available, how do I achieve this using ELBs in my Amazon VPC? Each site requires a separate IP address, so I have added multiple private IPs to the EC2 instance, but I am unsure how to bind the ELB to a certain IP on the instance. I was also able to setup multiple ELB pointing to the same instance, but again, I am not seeing any way to bind each ELB to a separate IP on the instance. If this is not possible, what is the best option? Run each site on a separate EC2 instance / ELB combo (expensive and harder to maintain) Give each site a separate public IP and use Route 53 to do the load balancing (seems like a hack) Use a different load balancer option such as HAProxy that should be able to work like a normal load balancer appliance. Please help!

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• Vlan and Switch setting - dummy

  - by Andras Sebestyen

  I need to speak tomorrow the network engineer and I would like to understand his so apologise for the Dummy question: In the school we have a cab with a 24 port Netgear manageable switch with an admin and curriculum VLAN settings. Usually, as I over heard, in the morning and around 4.30pm there are a slowdown period on the computers which connect to this switch. No one could track this back yet. Questions: What is the best way to track back this slowdown Would it be a temporary solution to physical separate the two network with 2 switches If that would work how can I link them together to be able to see the curriculum from the admin side. Do I need an extra router then? Too many questions but I have no clue where to start and the gentleman will be paid by hours... can you see where I am coming from?:) Could you guide me in the right direction please? Any comment would be appreciated and please send links if you down vote the question:)

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• Prevent EC2 machine from halt, poweroff, shutdown

  - by Adam Matan

  Hi, EC2 Ubuntu servers erase all disk contents when being shut down. Following an unfortunate accident, I have decided to prevent the command-live halt, poweroff and shutdown. What's the best way to do it? I thought about renaming these commands (at /sbin) to something like HALT_RENAMED___ERASES_ALL_DISK_CONTENTS. Are there any files, other than the three listed above, that needs to be handled? I've noticed that halt and poweroff are merely links to reboot. Should reboot be renamed, too? Adam

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• Oracle Cloud Solutions @ Cloud Expo East (June 10-12)

  - by Gene Eun

  Oracle is proud to be the Platinum Sponsor at next week's Cloud Expo East (June 10-12) at the Javits Center in New York City.  This is the fourth consecutive year Oracle has sponsored Cloud Expo. As in years past, Oracle has a full schedule of sessions shown below. We'd love to have you be our guest at Cloud Expo East and have you attend one of our sessions and hear more about our thought leadership and leading solutions in the Cloud and Big Data. We'll also have booth #207, so please stop by and see a demo of many of our cloud offerings. Date  Time  Session Title  Track  Room Tuesday, June 10 4:40 pm - 5:15 pm Top 5 Best Practices for your Application Platform As a Service Cloud Business and the API Economy | Deploying the Cloud TBD Wednesday, June 11 9:10 am - 10:10 am Cloud Odyssey:  A Hero’s Quest All Tracks (Keynote) Keynote Hall Wednesday, June 11 10:15 am - 10:45 am Big Data Management System: Smart SWL Processing Across Hadoop and Your Data Warehouse All Tracks (General Session) Keynote Hall Wednesday, June 11 2:50 pm - 3:25 pm Plug into the Cloud: Your Blueprint to Database as a Service Mobile | Hot Topics TBD Wednesday, June 11 2:50 pm - 3:25 pm From Supply-led to Demand-led: Lead Your IT to Better Serve Your Users Cloud Business and the API Economy | Deploying the Cloud TBD Thursday, June 12 2:50 pm - 3:25 pm Reduce Complexity and Accelerate Innovation with IaaS and PaaS Cloud Business and the API Economy | Deploying the Cloud TBD At Cloud Expo East, you'll get to learn about and experience the latest in Cloud and Big Data. If you don't have a pass to Cloud Expo, no problem. Oracle is giving away FREE VIP Gold Passes! We would love to have you attend Cloud Expo on us. Just go to Oracle's Cloud Expo 2014 event registration page and follow the instructions for a complimentary pass. Stay tuned to this blog and follow us on Twitter (@OracleCloudZone) during and after Cloud Expo for more insight and observations about this year's conference.

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• Feasability of mobile 2D multiplayer RPG game with interactive bitmap background

  - by user2827214

  I'm looking to develop a 2D multiplayer RPG game for Android, with a bird's eye view similar to that of zelda/pokemon. The game is very simple in all ways since my intent is for thousands of players to occupy the same world which I imagine requires good performance. However, I am unsure about the performance requirements of two properties: the tile map that is used as a background is dynamic (interactive). For example, a player steps in the water, and the water turns black. Every tile in the game does this. the tile map is the same object used for all players, but it is displayed differently on each user's mobile device, even though the players exist in the same world. For example, the water that turned black is displayed as red on all other players' screens. I have knowledge of java, but almost none regarding game dev. tools. Is there a best process for these requirements? Should I develop in pure java, or use some tool like Slick2D etc.? How performance intensive are these properties, if even possible? Edit: There are no collisions in the game or difficult animations, I am imagining simply changing the colors of the tiles (like in the examples), and a client-server architecture

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• How to grant secure access to an untrusted developer to an exisiting virtual host?

  - by Margaret Thorpe

  Our security policy does not permit ftpd on our servers. Our trusted developers use ftps to access our webservers and they have full access to the server. How do we grant limited access to a single untrusted developer for an existing virtual host. Ive configured rssh to only allow sftp to our untrusted developer, but we dont want him browsing around our other sites. I've investigated chroot, but it seems overly complex and more for restricting access to their home folders. I want to limit access to /srv/www/vhostx/ and below. Whats the best solution?

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• Java Not Recognized As Default Application

  - by John

  I just installed java according to this article, and 'java -version' displays java version "1.7.0_07" Java(TM) SE Runtime Environment (build 1.7.0_07-b10) Java HotSpot(TM) 64-Bit Server VM (build 23.3-b01, mixed mode) 'update-alternatives --config java' returns this: There are 2 choices for the alternative java (providing /usr/bin/java). Selection Path Priority Status ------------------------------------------------------------ 0 /usr/bin/gij-4.6 1046 auto mode 1 /usr/bin/gij-4.6 1046 manual mode * 2 /usr/local/java/jdk1.7.0_07/bin/java 1 manual mode Press enter to keep the current choice[*], or type selection number: with update-alternatives --config javac (or javaws) returning similarly. however java isn't listed in the default applications menu when I click on a .jar file and go to "open with application". I tried to install java this way, and on the update-alternatives part of the command returned me: /etc/alternatives/[java,javac,javaws] is dangling, it will be updated with best choice I just confirmed that I can use java, as 'java -jar file.jar' does work. Just figured that I'd mention it, don't know why I didn't before, but when I right click on a .jar file, java 7 run-time isn't even listed there, it seems that the file-manager isn't recognizing it as a program, but it is there, and it does work...

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• How can I make an actual compact cassette "tape" mix-tape from iTunes?

  - by MikeN

  I want to make an actual compact cassette mix-tape as a gift for someone. I use iTunes to manage all of my music. So a few questions: If I gather a bunch of songs on a playlist for sides A/B of the tape, how can I ensure that the volume for all songs is the same as it plays on the tape? I was thinking of finding an old compact casette recorder and putting the single line sterio output of my Mac to the casette's microphone input. Is that a good way to record onto the actual tape? How long is each side of a compact tape? Is there a default speed the tape plays at? Let's say I want to mesh some songs together so that they will completely fill up one side of a tape (cut off 10 seconds off the end of one song or the beginning of another song), what's the best way to do that?

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• How to limit click'n'drag movement to an area?

  - by Vexille

  I apologize for the somewhat generic title. I'm really don't have much clue about how to accomplish what I'm trying to do, which is making it harder even to research a possible solution. I'm trying to implement a path marker of sorts (maybe there's a most suitable name for it, but this is the best I could come up with). In front of the player there will be a path marker, which will determine how the player will move once he finishes planning his turn. The player may click and drag the marker to the position they choose, but the marker can only be moved within a defined working area (the gray bit). So I'm now stuck with two problems: First of all, how exactly should I define that workable area? I can imagine maybe two vectors that have the player as a starting point to form the workable angle, and maybe those two arcs could come from circles that have their center where the player is, but I definetly don't know how to put this all together. And secondly, after I've defined the area where the marker can be placed, how can I enforce that the marker should only stay within that area? For example, if the player clicks and drags the marker around, it may move freely within the working area, but must not leave the boundaries of the area. So for example, if the player starts dragging the marker upwards, it will move upwards until it hits he end of the working area (first diagram below), but if after that the player starts dragging sideways, the marker must follow the drag while still within the area (second diagram below). I hope this wasn't all too confusing. Thanks, guys.

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• Is Linq having a mind-numbing effect on .NET programmers?

  - by Aaronaught

  A lot of us started seeing this phenomenon with jQuery about a year ago when people started asking how to do absolutely insane things like retrieve the query string with jQuery. The difference between the library (jQuery) and the language (JavaScript) is apparently lost on many programmers, and results in a lot of inappropriate, convoluted code being written where it is not necessary. Maybe it's just my imagination, but I swear I'm starting to see an uptick in the number of questions where people are asking to do similarly insane things with Linq, like find ranges in a sorted array. I can't get over how thoroughly inappropriate the Linq extensions are for solving that problem, but more importantly the fact that the author just assumed that the ideal solution would involve Linq without actually thinking about it (as far as I can tell). It seems that we are repeating history, breeding a new generation of .NET programmers who can't tell the difference between the language (C#/VB.NET) and the library (Linq). What is responsible for this phenomenon? Is it just hype? Magpie tendencies? Has Linq picked up a reputation as a form of magic, where instead of actually writing code you just have to utter the right incantation? I'm hardly satisfied with those explanations but I can't really think of anything else. More importantly, is it really a problem, and if so, what's the best way to help enlighten these people?

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• Handling Deployment to Multiple Environments

  - by JayGee

  How should I handle deploying web applications to multiple servers? Constraints I have a dev, test and prod environment. No build server is available. Developers can't deploy to prod. The people that do deploy to prod copy files from test to prod. They don't have VS installed. Currently The way it's handled is using web.config transform. However, to deploy to prod involves putting prod code on the test server where it's copied over. Problem Sometimes simple mistakes are made, such as forgetting to change test back to the right environment after deployment. Or the test config gets moved to prod instead of the prod config. Solution So the question is, what is the best way to prevent mistakes from happening? My first thought is let the app determine which server it's on at runtime and use the appropriate settings/connection strings/etc... However, the server names could change in the not too distant future. So if multiple apps are hard coded, that would mean updating all of them. The easiest way to handle that situation would be to place a DLL in the GAC that determines the environment. Are there any drawbacks or possible complications that this would cause? Or is there a better solution to the problem than this?

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• Component-wise GLSL vector branching

  - by Gustavo Maciel

  I'm aware that it usually is a BAD idea to operate separately on GLSL vec's components separately. For example: //use instrinsic functions, they do the calculation on 4 components at a time. float dot = v1.x*v2.x + v1.y * v2.y + v1.z * v2.z; //NEVER float dot = dot(v1, v2); //YES //Multiply one by one is not good too, since the ALU can do the 4 components at a time too. vec3 mul = vec3(v1.x * v2.x, v1.y * v2.y, v1.z * v2.z); //NEVER vec3 mul = v1 * v2; I've been struggling thinking, are there equivalent operations for branching? For example: vec4 Overlay(vec4 v1, vec4 v2, vec4 opacity) { bvec4 less = lessThan(v1, vec4(0.5)); vec4 blend; for(int i = 0; i < 4; ++i) { if(less[i]) blend[i] = 2.0 * v1[i]*v2[i]; else blend[i] = 1.0 - 2.0 * (1.0 - v1[i])*(1.0 - v2[i]); } return v1 + (blend-v1)*opacity; } This is a Overlay operator that works component wise. I'm not sure if this is the best way to do it, since I'm afraid these for and if can be a bottleneck later. Tl;dr, Can I branch component wise? If yes, how can I optimize that Overlay function with it?

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• Language parsing to find important words

  - by Matt Huggins

  I'm looking for some input and theory on how to approach a lexical topic. Let's say I have a collection of strings, which may just be one sentence or potentially multiple sentences. I'd like to parse these strings to and rip out the most important words, perhaps with a score that denotes how likely the word is to be important. Let's look at a few examples of what I mean. Example #1: "I really want a Keurig, but I can't afford one!" This is a very basic example, just one sentence. As a human, I can easily see that "Keurig" is the most important word here. Also, "afford" is relatively important, though it's clearly not the primary point of the sentence. The word "I" appears twice, but it is not important at all since it doesn't really tell us any information. I might expect to see a hash of word/scores something like this: "Keurig" => 0.9 "afford" => 0.4 "want" => 0.2 "really" => 0.1 etc... Example #2: "Just had one of the best swimming practices of my life. Hopefully I can maintain my times come the competition. If only I had remembered to take of my non-waterproof watch." This example has multiple sentences, so there will be more important words throughout. Without repeating the point exercise from example #1, I would probably expect to see two or three really important words come out of this: "swimming" (or "swimming practice"), "competition", & "watch" (or "waterproof watch" or "non-waterproof watch" depending on how the hyphen is handled). Given a couple examples like this, how would you go about doing something similar? Are there any existing (open source) libraries or algorithms in programming that already do this?

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• Windows Shares / NTFS permissions on folder redirection in Active Directory

  - by Shawn Gradwell

  A client has folder redirection in AD setup on each user's Home Folder set to the Z:\ drive as \server\share\username. A Group Policy redirects the user's Documents to the user's Home Folder with the option 'Grant the user to exclusive rights to Documents' selected. The share on the server has permissions for the relevant user security group with 'Full Control', but each user's folder only have NTFS permissions only for 'CREATOR OWNER' and 'Domain Admins'. Why can the different users access other user's folders? I thought the most restrictive permissions applied effectively between the share and the NTFS permissions. Also, this setup has been like this for years, and this client recently updated all client computers to Windows 7. What is the best way to setup this redirection now? I assume only in Group Policy, also Basic Redirection - to create a folder for each user under the root path?

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• Worst SysAdmin Accident

  - by Ward

  In line with the question about Best sysadmin accident, what's the worst accident you've been involved in? Unlike the previous question, I mean "worst" in the sense of most system damage or actual harm to people. I'll start with mine: We have two remote wiring closets that are at the end of a 100-foot corridor which has a metal grate for the floor. After we had Cat6 cable installed, the contractors cleaned up all the debris that dropped through the grating to the concrete 3 feet below. A co-worker and I entered the corridor to check on the progress one day but were distracted and didn't notice that a piece of grating had been moved aside. My buddy stepped into air and his chest slammed into the steel crossbar. He was winded and sore enough to take a couple days off, but luckily the steel beam had rounded edges and the size of the opening was such that he didn't smack his head into it or the floor below. Obviously we learned that areas where the floor is partially removed need to be flagged.

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