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  • Report from OpenWorld Shanghai

    - by jmorourke
    Oracle OpenWorld Shanghai 2013 was held July 22nd – 25th at the International Expo Center in Shanghai, China. The conference drew over 19,000 attendees from 44 countries. In addition, 580 CxOs attended the Executive Edge program, and 430+ partners attended the Oracle Partner Network Exchange. The conference included a number of sessions on Big Data, Business Analytics, Business Intelligence and Enterprise Performance Management delivered by Oracle, our partners and customers.  I had the pleasure to attend the conference and delivered three sessions focused on Oracle’s Hyperion Enterprise Performance Management (EPM) applications. Each of my sessions was well-attended, and in a few cases was standing room only, so there is clearly a lot of interest in the China market in EPM. The EPM and BI demo pods in the DemoGrounds at the conference also received a lot of traffic. In addition to the conference sessions I delivered, I had several meetings with customers and partners in Shanghai.These sessions and meetings I attended made clear the interest that customers in China have in improving their planning, management reporting, financial reporting, and profitability management processes. In fact, with the China Ministry of Finance now standardizing on XBRL for annual reporting across multiple agencies in China, there is a great opportunity here for our disclosure management application. One interesting finding is that the China market may not be ready for cloud-based applications as many companies are state-owned and have security concerns, so on-premise applications are likely to see continued demand.  For more information about the Oracle OpenWorld China 2013 conference, please check the web  site:  http://www.oracle.com/events/apac/cn/en/openworld/index.htmlAnd don’t forget, Oracle OpenWorld San Francisco 2013 is just around the corner in September of 2013. Please check the web site for registration and content information: http://www.oracle.com/openworld/index.html

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  • What is wrong with my logic for the divide and conquer algorithm for Closest pair problem?

    - by Programming Noob
    I have been following Coursera's course on Algorithms and came up with a thought about the divide/conquer algorithm for the closest pair problem, that I want clarified. As per Prof Roughgarden's algorithm (which you can see here if you're interested): For a given set of points P, of which we have two copies - sorted in X and Y direction - Px and Py, the algorithm can be given as closestPair(Px,Py): Divide points into left half - Q, and right half - R, and form sorted copies of both halves along x and y directions - Qx,Qy,Rx,Ry Let closestPair(Qx,Qy) be points p1 and q1 Let closestPair(Rx,Ry) be p2,q2 Let delta be minimum of dist(p1,q1) and dist(p2,q2) This is the unfortunate case, let p3,q3 be the closestSplitPair(Px,Py,delta) Return the best result Now, the clarification that I want is related to step 5. I should say this beforehand, that what I'm suggesting, is barely any improvement at all, but if you're still interested, read ahead. Prof R says that since the points are already sorted in X and Y directions, to find the best pair in step 5, we need to iterate over points in the strip of width 2*delta, starting from bottom to up, and in the inner loop we need only 7 comparisions. Can this be bettered to just one? How I think is possible seemed a little difficult to explain in plain text, so I drew a diagram and wrote it on paper and uploaded it here: Since no one else came up with is, I'm pretty sure there's some error in my line of thought. But I have literally been thinking about this for HOURS now, and I just HAD to post this. It's all that is in my head. Can someone point out where I'm going wrong?

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  • Antenna Aligner part 1: In the beginning.

    - by Chris George
    Picture the scene, it's 9pm, I'm in my caravan (yes I know, I've heard all the jokes!) with my family and I'm trying to tune the tv by moving the aerial, retuning, moving the aerial again, retuning... 45 mins and much cursing later I succeed. Surely there must be an easier way than this? Aha, an app; there must be an app for that? So I search in the AppStore for such an app, but curiously drew a blank. Then the seeds of the idea started to grow. I can code, I work in a software house with lots of very clever people, surely I can make an app that points to the nearest digital tv transmitter! Not having looked into app development before, I investigated how one goes about making an iPhone app and was quickly greeted by a now familiar answer "Buy a mac!". That was not an option for many reasons, mostly wife related! My dreams were starting to fade until one of my colleagues pointed out that within Red Gate, the very company I work for, there was on-going development on a piece of software that would allow me to write an app using Visual Studio on a Windows machine, Nomad! Once I signed up for the beta program I got to work learning the Jquery mobile / Phonegap framework. Within a couple of hours I had written (in Visual Studio), built in the cloud (using Nomad) and published (via TestFlight) my first iPhone app onto my iPhone ! It didn't do much, but it was a step in the right direction. To be continued...

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  • How difficult is it for an artist to make their own artwork cohesive to another artists' style? [on hold]

    - by user36200
    I have a lot of artwork I purchased from a website, but the artist who drew the game assets is unavailable. I need to create additional artwork which fits with this style, but I am not an artist- nor do I have any idea of how artists work. Obviously, the solution is to find a new artist, who I can pay to draw this artwork while keeping it to look at certain way. I am scared of wasting money though. I don't want to contract an artist, only to find out it is extremely difficult for someone to match another person's art style. I don't need it to be identical, I just need it to be cohesive. I also want to know what I'm asking of people, before I ask them. Artists are workers just like me, and deserve to be understood when contracted. As an artist, is it extra difficult or time consuming to alter your artwork to match a certain style? Does it require a lot of talent to make a cohesive piece of art? To be specific, I am talking about structures, such as 2D symbols of towns for a map. They all have this "gritty" penciling effect to them and lots of saturated colors, which is what will be required when I say "cohesive". Along with looking like the architecture belongs in the same world.

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  • Artificial Intelligence ... how to make an object roam freely/avoid other objects, and model consciousness? [on hold]

    - by help bonafide pigeons
    Say a simple free roam battle scene in which a player runs around freely and engages in battle with other enemies/objects, as shown below: The dragon/dinosaur (or whatever that thing I drew appears to be) will, by some measure, try and avoid attacks so it is modeled to appear to have a conscious desire to avoid pain. My question is ... since this is very complex, many possible strategies for solving this, algorithms, etc., what is the basic idea behind how this would be accomplished in any sort? Like, we can assume the enemy in the picture is not just going to aimlessly hop around and avoid, but freely be modeled to behave as if it were really exploring/fighting. For the best example I can give, witness the behavior of the enemies in Final Fantasy 12 in this video: http://www.youtube.com/watch?v=mO0TkmhiQ6w How do the pros, or how would anyone attempt solve/implement this? PS: I have tried several times to give an image the "illusion" that is has a conciousness, but aside from emulating a real animal's consciousness in complete, I fall short and get choppy moving images that follow predictable patterns, error-prone movements, and the worst imaginable scenario of a battle engagement.

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  • What makes you look like a bad developer (ie a hacker) [on hold]

    - by user134583
    This comes from a lot of people about me, so I have to look at myself. So I would wonder what make one a bad developer (ie a hacker). These are a few things about me I used IDE intensively, all features, you name it: auto-completion, refactoring, quick fixes, open type, view hierarchy, API documentation, etcc When I deal with writing code for a project in domain I am not used to (I can't have fluency in this, this is new), I only have a very rough high level ideas. I don't use the standard modeling diagrams for early detail planning. Unorthodox diagrams that I invented when I need to draw the design in details. I don't use UML or similar, I find them not enough. I divide the sorts of diagram I drew into 3 types. Very high level diagrams which probably can be understood by almost anybody. Data entity diagram used for modeling data objects only (like ER diagrams and tree for inheritances and composition). Action diagrams for agents/classes and their interactions on data objects they contain. Constantly changing the interface (public methods) between interacting agents/classes if the need arises. I am more refrained when the interface and the module have matured Write initial concept code in a quick hackie way just so that the module works in the general cases so that I can play around with it. The module will be re-factored intensively after playing around so I could see more corner cases that I couldn't or (wouldn't want) anticipate before writing code. Using JUnit for integration-like test by using TestSuite class and ordering Unit test classes in the suite Using debugger almost anytime there is a problem instead of reading the code Constantly search on the internet for how to do some thing with some library that I haven't used a lot. So judgment, am I a bad developer? a hacker? Put in other words, to make sure this is not considered off-topic: - Is this bad practice to make your code too agile during incubating/prototyping phase of software development - Is it bad practice to use JUnit for integration testing, (I know there are other framework for integration testing, but those frameworks are for a specific products, not general)

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  • HMTL5 Anti Aliasing Browser Disable

    - by Tappa Tappa
    I am forced to consider writing a library to handle the fundamental basics of drawing lines, thick lines, circles, squares etc. of an HTML5 canvas because I can't disable a feature embedded in the browser rendering of the core canvas algorithms. Am I forced to build the HTML5 Canvas rendering process from the ground up? If I am, who's in with me to do this? Who wants to change the world? Imagine a simple drawing application written in HTML5... you draw a shape... a closed shape like a rudimentary circle, free hand, more like an onion than a circle (well, that's what mine would look like!)... then imagine selecting a paint bucket icon and clicking inside that shape you drew and expecting it to be filled with a color of your choice. Imagine your surprise as you selected "Paint Bucket" and clicked in the middle of your shape and it filled your shape with color... BUT, not quite... HANG ON... this isn't right!!! On the inside of the edge of the shape you drew is a blur between the background color and your fill color and the edge color... the fill seems to be flawed. You wanted a straight forward "Paint Bucket" / "Fill"... you wanted to draw a shape and then fill it with a color... no fuss.... fill the whole damned inside of your shape with the color you choose. Your web browser has decided that when you draw the lines to define your shape they will be anti-aliased. If you draw a black line for your shape... well, the browser will draw grey pixels along the edges, in places... to make it look like a "better" line. Yeah, a "better" line that **s up the paint / flood fill process. How much does is cost to pay off the browser developers to expose a property to disable their anti-aliasing rendering? Disabling would save milliseconds for their rendering engine, surely! Bah, I really don't want to have to build my own canvas rendering engine using Bresenham line rendering algorithm... WHAT CAN BE DONE... HOW CAN THIS BE CHANGED!!!??? Do I need to start a petition aimed at the WC3???? Will you include your name if you are interested??? UPDATED function DrawLine(objContext, FromX, FromY, ToX, ToY) { var dx = Math.abs(ToX - FromX); var dy = Math.abs(ToY - FromY); var sx = (FromX < ToX) ? 1 : -1; var sy = (FromY < ToY) ? 1 : -1; var err = dx - dy; var CurX, CurY; CurX = FromX; CurY = FromY; while (true) { objContext.fillRect(CurX, CurY, objContext.lineWidth, objContext.lineWidth); if ((CurX == ToX) && (CurY == ToY)) break; var e2 = 2 * err; if (e2 > -dy) { err -= dy; CurX += sx; } if (e2 < dx) { err += dx; CurY += sy; } } }

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  • The Programmer's Bill of Rights

    - by Martin
    I know Jeff has written about this subject on his coding horror blog in the past but I am interested in learning the opinions of a broad set of developers. I agree wholeheartedly with his statement: I propose we adopt a Programmer's Bill of Rights, protecting the rights of programmers by preventing companies from denying them the fundamentals they need to be successful. So, if you could propose one item to the bill of rights, what would it be?

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  • ASP.NET MVC Routing Via Method Attributes

    - by TorgoGuy
    In the StackOverflow Podcast #54, Jeff mentions they register their URL routes in the StackOverflow codebase via an attribute above the method that handles the route. Sounds like a good concept (with the caveat that Phil Haack brought up regarding route priorities). Could someone provide some sample to to make this happen? Also, any "best practices" for using this style of routing?

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  • Should Competent Programmers be "Mathematically Inclined"

    - by Abhijeet Patel
    From a blog post by Jeff Atwood of the same title, I can tell from personal experience that it's much more easier to grasp math after having worked professionally as a developer for a while. I appreciate math much more as I can see it's real world applicability. Can you recommend any resources/books that can help become familiar and comfortable with the kind of math concepts that developers should be familiar with for being well rounded and effective developers.

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  • Redis autocomplete

    - by Alfred
    Hi, How can I implement an autocomplete using redis? Say for example I have an array ["alfred","joel","jeff","addick"]. When I type a I get ["alfred", "addick"] I hope you get the point. How can I implement this using redis commands efficiently(if possible but I think it is). It would be great if I could get some simple commands I can try out via telnet to mimic this behaviour. Thanks P.S: Merry x-mas to all of you :)

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  • jQuery toggle div from select option

    - by Jeffrey
    I'm in need to toggle divs from a dropdown select option box. I'd like it similar to asmselect for jquery but instead of listing the option tag I'd like it to display a hidden div. Is there anything like this out there? Or anyone know how to set it up? Thanks, Jeff.

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  • Cassandra API equivalent of "SELECT ... FROM ... WHERE id IN ('...', '...', '...');"

    - by knorv
    Assume the following data set: id age city phone == === ==== ===== alfred 30 london 3281283 jeff 43 sydney 2342734 joe 29 tokyo 1283881 kelly 54 new york 2394929 molly 20 london 1823881 rob 39 sydney 4928381 To get the following result set .. id age phone == === ===== alfred 30 3281283 joe 29 1283881 molly 20 1823881 .. using SQL one would issue .. SELECT id, age, phone FROM dataset WHERE id IN ('alfred', 'joe', 'molly'); What is the corresponding Cassandra API call that would yield the same result set in one command?

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  • Single-Stage vs Two-Stage Animation for iPhone Apps?

    - by Devoted
    What are single-state and two-stage animation for rotating an iPhone window? This is the "error" message I get in the Debugger Console (nothing crashes): Using two-stage rotation animation. To use the smoother single-stage animation, this application must remove two-stage method implementations. I was working through the book "Beginning iPhone Development: Exploring the iPhone SDK" by Apress (Dave Mark, Jeff LaMarche) on the Swap Project.

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  • Can't browse svn repo using TortoiseSVN on Windows Server 2008

    - by afsharm
    Hi, Environment is: Windows Server 2008 R2 x64 Slik-Subversion-1.6.11-x64 TortoiseSVN-1.6.8.19260-x64-svn-1.6.11 I have setted up svn srvice based on Jeff Atwood guidlines and can connect work with host via svn command lines like svn list svn://localhost, but TortoiseSVN can't connect to it even on server machine itself. All firewall types are off. TortoiseSVN error message is: Can't connect to host 'localhost': No connection could be made because the target machine actively refused it. How can I solve this problem? Thanks in Advance,

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  • Do you have any tips for commenting code?

    - by Rob Wells
    G'day, I've read both of Steve McConnell's excellent Code Complete books "Code Complete" and "Code Complete 2" and was wondering if people have any other suggestions for commenting code.co My commenting mantra could be summed up by the basic idea of expressing "what the code below cannot say". While enjoying this interesting blog post by Jeff about commenting I was still left wondering "When coding, when do you feel a comment is required?"

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  • How do you pronounce "Latex"?

    - by Brian
    How do you pronounce "Latex"? In university my lecturers all called it LAY-tec, but I was just listing to StackOverflow podcast #69 where Joel and Jeff call it LAH-tec. I've also heard LAY-tex (like latex rubber) but that pronunciation seems to be universally shunned but people who actually use Latex.

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  • Advice for Architecture Design Logic for software application

    - by Prasad
    Hi, I have a framework of basic to complex set of objects/classes (C++) running into around 500. With some rules and regulations - all these objects can communicate with each other and hence can cover most of the common queries in the domain. My Dream: I want to provide these objects as icons/glyphs (as I learnt recently) on a workspace. All these objects can be dragged/dropped into the workspace. They have to communicate only through their methods(interface) and in addition to few iterative and conditional statements. All these objects are arranged finally to execute a protocol/workflow/dataflow/process. After drawing the flow, the user clicks the Execute/run button. All the user interaction should be multi-touch enabled. The best way to show my dream is : Jeff Han's Multitouch Video. consider Jeff is playing with my objects instead of the google maps. :-) it should be like playing a jigsaw puzzle. Objective: how can I achieve the following while working on this final product: a) the development should be flexible to enable provision for web services b) the development should enable easy web application development c) The development should enable client-server architecture - d) further it should also enable mouse based drag/drop desktop application like Adobe programs etc. I mean to say: I want to economize on investments. Now I list my efforts till now in design : a) Created an Editor (VB) where the user writes (manually) the object / class code b) On Run/Execute, the code is copied into a main() function and passed to interpreter. c) Catch the output and show it in the console. The interpreter can be separated to become a server and the Editor can become the client. This needs lot of standard client-server architecture work. But some how I am not comfortable in the tightness of this system. Without interpreter is there much faster and better embeddable solution to this? - other than writing a special compiler for these objects. Recently learned about AXIS-C++ can help me - looks like - a friend suggested. Is that the way to go ? Here are my questions: (pl. consider me a self taught programmer and NOT my domain) a) From the stage of C++ objects to multi-touch product, how can I make sure I will develop the parallel product/service models as well.? What should be architecture aspects I should consider ? b) What technologies are best suited for this? c) If I am thinking of moving to Cloud Computing, how difficult/ how redundant / how unnecessary my efforts will be ? d) How much time in months would it take to get the first beta ? I take the liberty to ask if any of the experts here are interested in this project, please email me: [email protected] Thank you for any help. Looking forward.

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  • Incorrect syntax near ','.

    - by jeffreyshek
    I get the following error from the SQL Script I am trying to run: Msg 102, Level 15, State 1, Line 10 Incorrect syntax near ','. This is the SQL script: IF NOT EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].HDDB_DataSource]') AND OBJECTPROPERTY(id, N'IsUserTable') = 1) BEGIN CREATE TABLE [dbo].[HDDB_DataSource]( [ID] [int] IDENTITY(1,1) NOT NULL, [Name] [nvarchar](255) NOT NULL, [Type] [nvarchar](50) NOT NULL, [XmlFileName] [nvarchar](255) NULL, [ConnectionString] [nvarchar](255) NULL), CONSTRAINT [PK_DataSource] PRIMARY KEY CLUSTERED ( [ID] ASC ) ON [PRIMARY] ) ON [PRIMARY] END I am using SQL Server 2005 if that helps. Jeff

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  • Can't get multiple panel plots with chartSeries function from quantod package in R

    - by Milktrader
    Jeff Ryan's quantmod package is an excellent contribution to the R finance world. I like to use chartSeries() function, but when I try to get it to display multiple panes simultaneously, it doesn't work. par(mfrow=c(2,2)) chartSeries (SPX) chartSeries (SPX, subset="2010") chartSeries (NDX) chartSeries (NDX, subset="2010") would normally return a four-panel graphic as it does with the plot() function but in the chartSeries example it runs through all instances one at a time without creating a single four-panel graphic.

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  • Elf: Dump symbol value in BSS, DATA or RODATA?

    - by noloader
    I have a ELF shared object with a symbol initialized to a value. I want to know what the value of a symbol is. I know objdump -T will give me the symbol's address and length but I need the value: $ arm-linux-androideabi-objdump -T libcrypto.so.1.0.0 | grep -i FIPS_signature 001a9668 g DO .bss 00000014 FIPS_signature However, hexdump knows nothing about ELF sections, offsets and virtual addresses, so I can't use the information: $ hexdump -v -x -n 0x14 -s 0x001a9668 libcrypto.so.1.0.0 $ How do I dump the value of the symbol? Jeff

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