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• Oracle University New Courses (Week 12)

  - by swalker

  Oracle University released the following new (versions of) courses recently: Database Oracle Enterprise Manager Cloud Control 12c: Install & Upgrade (2 days) Using Oracle Enterprise Manager Cloud Control 12c Introduction to Big Data (1 day seminar) Introduction to Oracle NoSQL Database (1 day seminar) Oracle Database Administration I: Certification Exam Preparation Seminar (Training On Demand) Development Tools Oracle Database SQL: Certification Exam Preparation Seminar (Training On Demand) MySQL MySQL for Beginners (4 days) Fusion Middleware Oracle Service Bus 11g: System Admin, Design & Integrate Accelerated (5 days) Oracle WebLogic Server 11g: Administration Essentials (Training On Demand) Oracle Solaris Developing and Deploying Applications on Oracle Solaris 11 (3 days) Fusion Applications Fusion Applications: Installation and Administration (4 days) E-Business Suite R12.x Oracle E-Business Suite Essentials for Implementers (Training On Demand) R12.x Implement Oracle Workflow (Training On Demand) R12.x Oracle Applications System Administrator Fundamentals (Training On Demand) PeopleSoft PeopleSoft PeopleTools I Rel 8.50 (Training On Demand) Get in contact with your local Oracle University team for more details and course dates. Stay Connected to Oracle University: LinkedIn OracleMix Twitter Facebook Google+

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• Oversizing images to produce better looking pages?

  - by Joannes Vermorel

  In the past, improper image resizing used to be a big no-no of web design (not mentioning improper compression format). Hence, for years I have been sticking to the policy where images (PNG or JPG) are resized on the server to match the resolution pixel-wise they will have with the rendered page. Now, recently, I hastily designed a HTML draft with oversized images, using inline CSS style such as width:123px and height:123px to resize the images. To my (slight) surprise, the page turned out to look much better that way. Indeed, with better screen resolution, some people (like me), tend to browse with some level of zoom (aka 125% or even 150% zoom), otherwise fonts are just too small on-screen. Then, if the image is strictly sized, the enlarged image appears blurry (pixel interpolation effect), but if the image is oversized the results is much better. Obviously, oversizing images is not an acceptable pattern if your website is intended for mobile browsing, but is there case where it would be considered as acceptable? Especially if the extra page weight is small anyway.

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• Fixed Sized Buffer or Variable Buffers with C# Sockets

  - by Keagan Ladds

  I am busy designing a TCP Server class in C# that has events and allows the user of the class to define packets that the server can send a receive by registering a class that is derived from my "GenericPacket" class. My TCPListener uses Async methods such as .BeginReceive(..); My issue is that because I am using the .BeginReceive(); I need to specify a buffer size when I call the function. This means I cant read the whole packet if one of my defined packets is too big. I have thought of creating a fixed sized Header that gets read using .BeginRead(); and the read the rest using Stream.Read(); but this will lead to the whole server having to wait for this operation to complete. I would like to know if anyone has come across this before and I would appreciate any suggestions.

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• migrating from struts2, looking for a new framework

  - by adhg

  We are supposed to start a relatively big project that will require lots of computation and analysis. Presentation (UI) for the end user is very crucial (graphs, tabels...) So far we've been using struts2. It's ok+. It has some drawbacks (specially if you work with tiles and all that XML) but if you get the lingo - you're ok. One option on the table is to continue using struts2 with jquery and all the other stuff that we've been doing for so long. Alternatively, I think we have an opportunity to learn something new and maybe a bit better then struts2. My question is this: Anyone has migrated from struts2 to something new and can share the experience. Or had some great experience witha particular java framework. Many thanks for any pointers.

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• Slides, Scripts, and Photos from SharePoint Saturday New Orleans 2011

  - by Brian Jackett

  This weekend I presented “Managing SharePoint 2010 Farms with PowerShell” at SharePoint Saturday New Orleans.  This was my first time visiting New Orleans so I was excited for the experience.  A big thanks to everyone who attended my session.  I condensed the material a little but the slides and scripts below have additional material that we couldn’t cover.  Let me know if you have any comments, questions, or feedback.  Thanks. Slides and Scripts     Managing SharePoint 2010 Farms with PowerShell   Photos     <coming soon since the conference is still ongoing>         -Frog Out

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• How do you avoid working on the wrong branch?

  - by henginy

  Being careful is usually enough to prevent problems, but sometimes I need to double check the branch I'm working on (e.g. "hmm... I'm in the dev branch, right?") by checking the source control path of a random file. In looking for an easier way, I thought of naming the solution files accordingly (e.g. MySolution_Dev.sln) but with different file names in each branch, I can't merge the solution files. It's not that big of a deal but are there any methods or "small tricks" you use to quickly ensure you're in the correct branch? I'm using Visual Studio 2010 with TFS 2008.

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• As an IT contractor, is it better to be a specialist or a jack-of-all-trades? [on hold]

  - by alimac83

  I've just entered the contracting market as a web developer and I've having a tough time figuring out how to plan for the future. Several developers I've worked with in the past have told me to become a specialist in one technology/area in order to secure the big contracts. However I've also heard from other sources that it's better to spread your expertise so that you're not limited in the types of work you can go for. Personally I've pretty much been involved in both back and front-end technologies during the course of my career, with slight variations in the weighting of each depending on the job. I don't really have a favourite - I enjoy it all. My question is mainly to the experienced contractors though: Do you feel specialising has helped your career or is it better to know a bit of everything? Thanks

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• A bacon- (and module-) saving PowerShell incident

  - by AaronBertrand

  Earlier today I made a big goof. I opened a module in Notepad, intending to use it as the basis for a new module. I was in the process of using "File > Save As" when my phone rang just at the precise instant that, for some reason, made me click on "File > Save" by mistake. After hitting Ctrl+Z 30 times to try to get the old version of the module back, I remembered that Notepad has never had more than one level of Undo. Back when I was coding ASP by hand, I was very well aware of this, but I...(read more)

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• DOT implementation

  - by Denis Ermolin

  I have some DOT(damage over time) implementation problems. My game runs on 30 FPS speed. Current implementation is: let's say hero cast spell which make 1 damage per second. So on every frame i do (pseudo code): damage_done = getRandomDamage() * delta_time; I accumulate damage and when it becomes more then 0 then subtract rounded damage from current health and so on. With 30 FPS and 1 DPS it will be 1/33 = 0.05... We know that floats a not precise enough to sum 30 circulating decimals and have exact 1 in the end. But HP is discrete value and that's why 1 DPS will not have 1 damage after 1 second because value will be 0.9999..... It's not so big deal when you have 100000 DPS - +/- 1 damage will not be noticeable. But if i have 1, 5 DPS? How modern RPG's implemented DOT's?

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• Screenshot Tour: 10 New Features in Android 4.2 Jelly Bean

  - by Chris Hoffman

  Android 4.2 improves on Android 4.1 in numerous ways, adding a variety of new features. Android 4.2 isn’t as big an update as Android 4.1, also called Jelly Bean, but it’s a definite improvement. If you have a Nexus 7 or Galaxy Nexus, you should be getting this update very soon. Unfortunately, it will likely take quite a bit longer for manufacturers to ship Android 4.2 on non-Nexus devices. How To Delete, Move, or Rename Locked Files in Windows HTG Explains: Why Screen Savers Are No Longer Necessary 6 Ways Windows 8 Is More Secure Than Windows 7

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• World of Warcraft like C++/C# server (highload)

  - by Edward83

  I know it is very big topic and maybe my question is very beaten, but I'm interesting of basics how to write highload server for UDP/TCP client-server communications in MMO-like game on C++/C#? I mean what logic of retrieving hundreds and thousands packages at the same time and sending updates to clients? Please advice me with architecture solutions, your experience, ready-to-use libraries. Maybe you know some interesting details how WoW servers work. Thank you! Edit: my question is about developing, not hardware/software tools;

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• New Bing Maps

  - by MikeParks

  Normally I don't stray too far from Programming and TFS on my blog posts but I'm just really impressed with how much Silverlight has improved Bing maps. I use to be big on MapQuest, then hopped over to Google, but now the new Bing Maps have everything I need. The two coolest features are right on the main page. All you have to do is go to http://www.bing.com/maps/explore/, enter your city and hit enter in the search box, then look in the lower left corner under the EXPLORE section. Check out the "What's nearby" and "Restaurants" links. The best part is, if you're interested in doing any Silverlight programming, they have a Bing Maps Silverlight Control Interactive SDK. I was thinking about coding something....but they've pretty much got it down :) Pretty impressive stuff.

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• What could be a reason for cross-platform server applications developer to make his app work in multiple processes?

  - by Kabumbus

  So we consider a server app development - heavily loaded with messing with big data streams.An app will be running on one powerful server. a server app shall be developed in form of crossplatform application - so to work on Windows, Mac OS X and Linux. So same code many platforms for standing alone server architecture. We wonder what benefits does distributing applications not only over threads but over processes as wall would bring to programmers and to server end users and why? Some people sad to me that even having 48 cores, 4 process threads would be shared via OS throe all cores... is it true BTW?

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• Is it unwise to blacklist an IP address?

  - by hawbsl

  We have a form on a commercial website which has been abused (but only once or twice) by someone from a particular IP address. A colleague wants to blacklist that IP address from the website. Seems to me that's overkill, and that there's a risk that genuine customers sharing that same IP address would be blacklisted too. I suppose a big part of my question is how many people might be sharing that same IP address and could be affected by our blacklist. I suspect that's a "how long's a piece of string" question but some ballpark answer would be really helpful. We're in the UK if that's significant.

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• RPC protocols comparison

  - by Ricardo

  I have to select a protocol/technology to use for communicating a client-server architecture, with support both for Python and C. The main requirements are: Symmetrical communication in between ends: clients establish a connection and servers can send data back to clients through the same connection. Avoid excessive overhead by using HTTP or a big stack (if possible, TCP direct communication). TLS/SSL support for secure communications. Ease of implementation. For that, I evaluated the following protocols/communications technologies. Is the information on this table accurate and correct? (*1) TLS support for RPyC is based in a no-longer supported Python library.

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• Is HR The New IT?

  - by Scott Ewart

  Is HR The New IT?  As recruitment, on-boarding and development head to the cloud and mobile devices put sophisticated tools into everyone’s hands, HR leaders are discovering that technology savvy and analytical skills are key to effective talent management. In this article by Ladan Nikravan in the September edition of Talent Management magazine, Oracle's own Chris Leone, SVP of Fusion Strategy, gives his take on how Technology trends such as social, mobile, big data and the cloud are creating a fundamental change in how employees and HR create value and relationships within the networked organization. Read the full article here: http://d27vj430nutdmd.cloudfront.net/23555/122778/122778.1.pdf

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• How to reduce errors in dynamic language such as python, and improve my code quality

  - by Martin Luo

  I post the origin question in stackoverflow, some people suggest me to post here I've always have trouble with dynamic language like Python. Several problems: Typo error, I can use pylint to reduce some of these errors. But there's still some errors that pylint can not figure out. Object type error, I often forgot what type of the parameter is, int? str? some object? Also, forgot the type of some object in my code. Unit test might help me sometimes, but I'm not always have enough time to do UT. When I need a script to do a small job, the line of code are 100 - 200 lines, not big, but I don't have time to do the unit test, because I need to use the script as soon as possible. So, many errors appear. So, any idea on how to reduce the number of these problems?

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• Placing of copyright notice in source code

  - by Diana Dcn

  I'm about to release a project of mine that I'm really proud of under the GNU GPL and I have some questions: Should one attach a copyright notice on each and every source code file from their project? I think it's a bit ridiculous to claim copyright on a 3 line abstract class. Should I attach a copyright notice only to really important source code files? Can I not attach the whole standard thingy? Because it's big and bulky and gets in the way... If so, is the variant below ok/enough? Copyright year firstname lastname. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation.

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• No root partition

  - by christian ashton

  I'm having serious problems trying to install ubuntu 14.04 on my Toshiba Satellite C850 laptop. Whenever I try to install it it says "No root file system found. Please correct this error from the partitioning menu." I've tried to create new partitions but I don't know what size to make them etc. can someone please help me on this? (Is there a way to create partitions through the terminal? I'm new to ubuntu) but i was on it 2 days ago, laptops crashed and now I can't get past the installation. I've created a new partitioning table just need guidance on which partitions to create and how big to make them. I have absolutely no partitions whatsoever on my hard drive (or whatever the partitions are part of) so it will need to be from the very start. Thanks in advance!

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• Which features of user story management should an agile team look for?

  - by Sonja Dimitrijevic

  In my research study, I need to identify the key features of user story management tools that can be used to support agile development. So far, I identified the following general groups of features: User role modeling and personas support, User stories and epics management, Acceptance testing support, High-level release planning, Low-level iteration planning, and Progress tracking. Each group contains some specific features, e.g., support for story points, writing of acceptance tests, etc. Which features of user story management should an agile team look for especially when switching from tangible tools (index cards, pin boards and big visible charts) to a software tool? Are some features more important than the others? Many thanks in advance!

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• I want to be a programmer! [closed]

  - by Mohamed Abd El Maged

  I am a doctor. I have a bachelor of medicine and general surgery. I want to change my career and work as a programmer in big companies such as Microsoft, Oracle, ... this is my dream ! I haven't got any degree in IT or Computer science. The question here is: Is it possible to achieve my dream and work as professional programmer in the future? Another question: if applicable, which certifications should I strive to get?

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• GUI question : representing large tree

  - by Peter

  I have a tree-like datastructure of some six levels deep, that I would like to represent on a single webpage (can be tabs, trees; ....) In each level both childnodes and content are possible. Presenting it like a real tree would be not very usable (too big). I was thinking in the lines of hiding parts of the tree when you drill down and presenting a breadcrumbs or the like to keep you informed as to where you are... I guess my question boils down to : any ideas / examples ? Tx!

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• Azure

  - by Grant Fritchey

  I've been tasked to learn SQL Azure, as well as test all the Red Gate products on it. My one, BIG, fear has been that I'll receive some mongo bill in the mail because I've exceeded the MSDN testing limit. I know people that have had that problem. I've been trying to keep an eye on my usage, but, let's face it, it's not something I think about every day. But now I don't have to. Red Gate has been working with Azure, long before I showed up. They already released a little piece of software that I just found out about, it's called CloudTally. It gathers your usage and sends you a daily email so you can know if you're starting to approach that limit. Check it out, it's free.

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• What is the path to JavaScript mastery?

  - by Eric Wilson

  I know how we start with JavaScript, we cut-and-paste a snippit to gain a little client-side functionality or validation. But if you follow this path in trying to implement rich interactive behavior, it doesn't take long before you realize that you are creating a Big Ball Of Mud. So what is the path towards expertise in programming the interaction layer? What books, tutorials, exercises, and processes contribute towards the ability to program robust, maintainable JavaScript? We all know that practice is important in any endeavor, but I'm looking for a path similar to the answer here: http://stackoverflow.com/questions/2573135/

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• How to perform a detailed and quick 3D performance test

  - by gsedej

  I am wondering how to quickly test performance of my 3D graphics. Since glxgears is not benchmark what should I use. Also glxgears sometimes stuck at 60FPS, you cannot even compare before/after driver update (e.g. adding xorg-edgers PPA). Even glxgears doesn't really work out of box. One possibility is screensavers, but you can't see FPS. I am also not willing to install 600MB nexuiz, specially if I am running on Live-CD. Other 3D games are also very big... Unigine tests are too demanding for opensource drivers (problems with too low OpenGL and probably texture compression (S3TC...)). I would also like to test OpenGL 2.x extentions. How to quickly test your 3D performance?

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