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• Google BigQuery - Best Practices for Loading your Data and open Office Hours

  Google BigQuery - Best Practices for Loading your Data and open Office Hours Michael Manoochehri and Ryan Boyd from the DevRel team for cloud data services will be streaming to you live! They'll be discussing how to load your data into BigQuery and the various options available -- from commercial ETL tools to App Engine's Pipeline API and MapReduce frameworks, to simple UNIX command-line tools. They'll then open it up for a general office hours on ingestion and other topics. Please use the moderator link to ask your questions. From: GoogleDevelopers Views: 0 0 ratings Time: 00:00 More in Science & Technology

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• conflict with php zend libs and c++ libs(ctime) to build extension for php [migrated]

  - by user69800

  Im going to build an extension for PHP 5.3.x everything is OK when I build without vc++ lib. error C2039: 'clock_t' : is not a member of '`global namespace'' error C2873: 'clock_t' : symbol cannot be used in a using-declaration error C2039: 'asctime' : is not a member of '`global namespace'' error C2873: 'asctime' : symbol cannot be used in a using-declaration and... I include just and got this error. I know this problem is from my include header file in properties that required from PHP zend engine, But I do not know how solve this problem. thanks

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• What should I worry about when changing OpenGL origin to upper left of screen?

  - by derivative

  For self education, I'm writing a 2D platformer engine in C++ using SDL / OpenGL. I initially began with pure SDL using the tutorials on sdltutorials.com and lazyfoo.net, but I'm now rendering in an OpenGL context (specifically immediate mode but I'm learning about VAOs/VBOs) and using SDL for interface, audio, etc. SDL uses a coordinate system with the origin in the upper left of the screen and the positive y-axis pointing down. It's easy to set up my orthographic projection in OpenGL to mirror this. I know that texture coordinates are a right-hand system with values from 0 to 1 -- flipping the texture vertically before rendering (well, flip the file before loading) yields textures that render correctly... which is fine if I'm drawing the entire texture, but ultimately I'll be using tilesets and can imagine problems. What should I be concerned about in terms of rendering when I do this? If anybody has any advice or they've done this themselves and can point out future pitfalls, that would be great, but really any thoughts would be appreciated.

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• Oracle's Director NoSQL Database Product Management talks with ODBMS.ORG

  - by thegreeneman

  I was pinged by one of my favorite database technology sites today, ODBMS.ORG - informing that Dave Segleau, the Director of Oracle NoSQL Database product management spent some time talking with their editor Roberto Zicari about the product.   Its a great interview and I highly recommend the read.  I think its important to understand the connectivity that Oracle NoSQL Database (ONDB) has with BerkeleyDB, as it says a lot about the maturity of ONDB as it relates to data integrity and reliability.  BerkeleyDB has been living the NoSQL life since the beginning of this transition embracing the right tool for the job approach to data management.  Several of the biggest names in NoSQL ( e.g. LinkedIn's Voldemort ) built their NoSQL scale-out solutions leveraging the robust BerkeleyDB storage engine under their distribution architectures.  Oracle commercializing the same via ONDB makes perfect sense given the demonstrated need for this category of technology.

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• Upgrade a Retro Corded Mouse with Wireless Bluetooth Connectivity

  - by Jason Fitzpatrick

  If there’s a beloved retro mouse gathering dust in your office closet for want of wireless connectivity, this detailed tutorial will guide you through upgrading the guts to turn your corded mouse into a Bluetooth model. If you’re handy with a soldering iron and not afraid to hack apart the guts of a modern but inexpensive Bluetooth mouse, you should have no trouble digging right into this project. The end result is a modern mouse packed inside the casing of your old mouse–same old look and feel, brand new engine inside. Hit up the link below to check out the full tutorial. Retro Wireless Apple Mouse [via Lifehacker] HTG Explains: Is ReadyBoost Worth Using? HTG Explains: What The Windows Event Viewer Is and How You Can Use It HTG Explains: How Windows Uses The Task Scheduler for System Tasks

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• Physics from other games

  - by Carlosrdz1

  I'm making a platform engine with XNA Game Studio, and I've solved almost everything about colliding stuff. But now, I'm searching for good physics for the player, I'm trying to emulate characters from other games like Mario from Super Mario World, or MegaMan X... do you know a website or something, where the physics from that games are revealed? I remember seen a page with something like that. Or what's the process you think is the best to emulate physics from other games? Just trial and error? Thank you.

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• Introducing the new Demantra Guided Resolutions!

  - by user702295

  There is a new method to find your solution called guided resolution or search helper. Currently, we cover 5 specific topical areas: Oracle Demantra 7.x and Above Data Loading Guided Resolution Note 1461899.1 Oracle Demantra Load Data Issues Not Necessarily Error Code Related Guided Resolution Note 1468884.1 Oracle Demantra 7.x and Above Workflow Issues Guided Resolution Note 1353217.1 Oracle Demantra 7.x and Above Worksheet Related Guided Resolution Note 1486639.1 Oracle Demantra 7.x and Above Engine Related Guided Resolution Note 1486634.1 The guides will be updated with the latest proven solutions on a regular basis, keeping the contect relevant. What is a guided resolution?   What is the best practice using a guided resolution? How to Use the Demantra Guided Resolution, a Proactive Services Tutorial.  Note 1473992.1

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• Content appearing under multiple categories; anything I can do to prevent duplicate penalty?

  - by dave

  I'm working with a CMS that allows me to post content in to multiple categories. So, I have this link: www.site.com/category/green-cars Here are the GREEN cars TITLE: A Big green car INTRO: this is a great big green car. But then I have this link: www.site.com/category/big-cars Here are the BIG cars TITLE: A Big green car INTRO: this is a great big green car. So essentially - for every item of content, header and the intro sentence is the same regardless of the category the item appears in. Will a search engine penalise the site for having the same content in this way? I've looked at canonical links, but I don't think this is relevant here. All my content points to the same page - but the content may appear in multiple categories first. Or am I worrying about nothing? Thanks.

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• Google ranking - Modal views - google analytics events [duplicate]

  - by minchiya

  This question already has an answer here: How to diagnose a search engine ranking drop? 5 answers I modified a site recently : - I added many google analytics events, to better understand user behaviour. - I added also two buttons on almost all the pages of the site. Those buttons show modal-views (I am using bootstrap) with questions about user opinion. This modals views are on almost all pages of the site. After this modification the ranking of the site decreased on google search from the second place to the seconde page :( Is it the events-collected or the model-views added ? If the model-views are the reason, then how to better do similar surveys ? Did you have please similar experience, or explanation to this ? Perhaps it is the effect of panda4 update. In this cas, what can I look for to improve the site. How to debug the problem/reasons ?

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• write to depth buffer while using multiple render targets

  - by DocSeuss

  Presently my engine is set up to use deferred shading. My pixel shader output struct is as follows: struct GBuffer { float4 Depth : DEPTH0; //depth render target float4 Normal : COLOR0; //normal render target float4 Diffuse : COLOR1; //diffuse render target float4 Specular : COLOR2; //specular render target }; This works fine for flat surfaces, but I'm trying to implement relief mapping which requires me to manually write to the depth buffer to get correct silhouettes. MSDN suggests doing what I'm already doing to output to my depth render target - however, this has no impact on z culling. I think it might be because XNA uses a different depth buffer for every RenderTarget2D. How can I address these depth buffers from the pixel shader?

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• Blogging & SEO - They Go Hand in Hand

  You write a blog loyally every day or so. You provide informative, fascinating substance for your faithful readers. You've even got a number of member links in there, too. But is that this enough to induce great search engine results for your hard work? In all probability not. Certain, you'll get listed with the search engines effortlessly. But without a high twenty listing at one among the majors (Google, Yahoo! or MSN), you will not have traffic, literally, banging down your door....

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• navigation menus and SEO

  - by Rodolfo

  I've always have my doubts about navigation menus effect on SEO. You know, the vertical menus on the top that show in every page in the site linking to main sections and subsections. My issue is that if not done dynamically (i.e. after page is loaded or something), from a search engine's point of view it probably looks like a whole bunch of links in the beginning of the page, and links that probably have nothing to do with the page being analyzed, so it's probably not only confusing it, but also giving link 'juice' to the wrong pages or reducing its value. When I've asked SEO people about this, I usually get a "Google is smart, they'll recognize it as a menu and ignore it" response, but I'm not convinced (and the 'Google is smart' argument sounds almost like religion discussion to me). So does it affect SEO negatively or not? Are there any official posts on this topic?

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• Child object free movement on Parent object

  - by The415

  Just to be straightforward, I am completely new to many aspects of coding and am searching for different specs and guidelines to aid me on my journey to crafting a wonderful game in Epic Games' Unreal Engine 4. Okay, I know upon viewing this, some may have little to no clue what I mean, so I'll put it like this to explain what I mean : Imagine a third person game with a simple model of a character. Now, say I have an object as a torso of a character in a game. Now Say I have an object as a head of the character. How could I keep the head as a child of the torso, but at the same time, allow it to move with the camera angle.

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• Upgrading visual studio with Crystal Reports

  - by jkrebsbach

  In the process up updating an app from Visual Studio 2003 to VS 2008.  It happens to have a couple dozen crystal reports that it executes regarly. Upgraded visual studio to 2008, and when attempting to generate the reports an exception was thrown. A significant portion of the rendering engine for Crystal Reports is not coming from Crystal, it's coming from Visual Studio and those methods and properties have changed over the years.  I needed to upgrade the report generating methods from the VS 2003 way of doing things to the VS 2008 way for the report to generate successfully. Not only that, but this means that while we were previously rendering with Crystal 9 in VS 2003, Visual Studio 2008 will render per Crystal 10, which treats things like column widths in Excel different (by default, at least) so now we have to go through all of our reports and compare outputs for Crystal just to upgrade the Visual Studio environment that I foolishly believed would  not be affected.

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• Insane load average after reboot

  - by Gazzer

  After doing a reboot of Ubuntu server 12.04 LTS (after an apt-get dist-upgrade) my server load (on a 16GB) machine goes insane (around 80) for about 10 or 15 minutes The only things I can think of are these two processes: /usr/bin/mysql --defaults-file=/etc/mysql/debian.cnf --skip-column-names --batch -e ? select concat('select count(*) into @discard from `',? TABLE_SCHEMA, '`.`', TABLE_NAME, '`') ? from information_schema.TABLES where ENGINE='MyISAM' /usr/bin/mysql --defaults-file=/etc/mysql/debian.cnf --skip-column-names --silent --batch --force -e select count(*) into @discard from `information_schema`.`PARTITIONS` Is this normal?

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• Why is JavaScript not used for classical application development (compiled software)?

  - by Jose Faeti

  During my years of web development with JavaScript, I come to the conclusion that it's an incredible powerful language, and you can do amazing things with it. It offers a rich set of features, like: Dynamic typing First-class functions Nested functions Closures Functions as methods Functions as Object constructors Prototype-based Objects-based (almost everything is an object) Regex Array and Object literals It seems to me that almost everything can be achieved with this kind of language, you can also emulate OO programming, since it provides great freedom and many different coding styles. With more software-oriented custom functionalities (I/O, FileSystem, Input devices, etc.) I think it will be great to develop applications with. Though, as far as I know, it's only used in web development or in existing softwares as a scripting language only. Only recently, maybe thanks to the V8 Engine, it's been used more for other kind of tasks (see node.js for example). Why until now it's only be relegated only to web development? What is keeping it away from software development?

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• Seeking advice on system documentation

  - by Shadders

  I have a rating engine (it is basically an algorithm) which when I started had no formal documentation. We have created a functional specification/decomposition which is our business level document but now I need something more technical (a technical specification). What I am struggling to understand is what that document looks like, what format it should be in and to what level of detail we should go into. We are in the process of commenting all of the code. We also have a rough document called a Blueprint which reflects the flow of the model and is written in pseudo code. Is the combination of this blueprint and the model comments sufficient as a Technical Specification?

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• Google nofollow, Disavow and Link Removal Requests

  - by PsychoDad

  I am the owner of http://www.YouReview.net and I am constantly getting requests from people asking me to remove links to their sites or they will Disavow the links and they threaten me with Google penalties. All of this is a bit frustrating because first I use nofollow on any link outside the YouReview.net domain. Second, I've never heard of Google penalizing a site for linking to other websites. My question is twofold: Do disavowed links penalize the site that was disavowed? and Does the "nofollow" attribute on tags absolutely guarantee that the link is not followed and not counted for search engine ranking? Why don't more people know about nofollow?

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• Basic use of Business Rules

  - by shinynewbike

  I have a query on whether the following requirements would need to be designed via Business Rules - this is for a JEE based application where currently this is coded as part of the Business logic. System will create a tax account for every city, county and district combination that imposes tax for only certain cities, counties or districts depending on the taxpayer's business. When the user establishes an account which exists in all subdivisions (i.e. at city or county level), the application must use his tax code and automatically populate all the locations without requiring the user to data enter every location. I assume this would mean a data lookup table from a master table (of tax accounts) and fetch and display all locations. Is there some way in which a Rules Engine can be used to manage these combinations?

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• How can a load and play an .x model using vertex animation in XNA?

  - by Christian

  From a game I developed years ago, I still have character models that my former 3D engine designer created and that I'd like to reuse in a Windows Phone project now. However, the files are in DirectX format (.x) containing keyframe animation only. No bones. No skeleton. There are a lot of animation keys defined on several frames to animate the characters. I don't quite understand how that works, to be frankly. However, I did a lot of research regarding a possible way of getting the characters animated via XNA on Windows Phone and all I found are hints that it is generally possible but not supported. Possibly by implementing own Content Importers and Processors. I didn't find anyone who successfully did something like that yet. How should I go about loading and displaying these models in XNA?

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• Best strategy (tried and tested) for using Box2D in a real-time multiplayer game?

  - by Simon Grey

  I am currently tackling real-time multiplayer physics updates for a game engine I am writing. My question is how best to use Box2D for networked physics. If I run the simulation on the server, should I send position, velocity etc to every client on every tick? Should I send it every few ticks? Maybe there is another way that I am missing? How has this problem been solved using Box2D before? Anyone with some ideas would be greatly appreciated!

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• Efficient way to check for changes to the contents of folders

  - by MrVimes

  I am creating an application that maintains a database of files of a certain type in a given folder (and all subfolders) Initially the program will recurse the folders and add any file it finds of that type to the database. I want the application to have the ability to re-scan the folder and add any files that were not there the last time the folders were scanned. It can't use the date created property of the file because there is a high chance of a file being added to the folders that isn't a new file. I am wondering what the most efficient way of doing this is, and if there is a way that doesn't involve checking each file is in the database already (which, if there are 5000 files would mean 5000 queries of a list 5000 items in size, or 25 million 'checks' for the sql engine to perform) I suppose a more specific question to acheive the same goal would be - is there a property of a file (in Microsoft Windows) that will reliably tell you when that file arrived in that folder.

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• Free ASP.NET MVC 3 Training Videos from Pluralsight

  - by Vincent Maverick Durano

  Normal 0 false false false EN-PH X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman","serif";} For those who are interested: The course looks at the features of the ASP.NET MVC 3 framework, including the new Razor View Engine, the new unobtrusive AJAX features, NuGet Package Management and more.. http://www.asp.net/mvc/pluralsight

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• Infinite terrain shadows

  - by user35399

  I'm creating an infinite terrain engine, which generates the terrain either with fractals or noise. How can I make dynamic shadows for the sun on this terrain, if I don't know in advance what will be rendered in front of the sun. My terrain: The sun is the only light, it is directional, my terrain is generated on a plane which is positioned before the camera, frustum culled and fits the size of the viewing frustum. It is height mapped with generated noise texture, and using tessellation shaders on it. Video:http://www.youtube.com/watch?v=tk6yFwYusOs Dynamic shadows with the infinite terrain.

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• Oculus Rift with Antichamber

  - by Scott Hainline

  Antichamber runs great on linux (steam version). But it is not playable with the Oculus Rift at this point. The issues are: 1) no headtracking 2) graphics are not being split and distorted by Oculus SDK My current plan is to use LD_PRELOAD to add the functionality, this seems to be the linux equivalent of DLL injection. Antichamber appears to be using SDL, I'm hoping this can be configured to use the headtracking data as a joystick and apply the graphics distortion, but I am not sure which functions I should be looking for. Is there a simpler way of getting these issues resolved? Is SDL the right choice here? Would appreciate any information on how the Unreal Engine 3 works under linux; and library injection too.

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