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• Convert Your Workspace to Standing Height for $22

  - by Jason Fitzpatrick

  If you’d love to try out a standing workstation but you don’t want to shell out $$$ to buy or build one, this simple $22 project will raise up your workspace surface on the cheap. All you need is a LACK side table, some shelf brackets, a shelf, and some screws. The side table goes on your desk, the monitors go on the side table, and the keyboard and mouse go on the shelf (mounted to the brackets that have been positioned at the perfect height for your forearms). Hit up the link below for more pictures, tips, and a downloadable build guide. IKEA Standing Desk for $22 [via Unpluggd] How to Banish Duplicate Photos with VisiPic How to Make Your Laptop Choose a Wired Connection Instead of Wireless HTG Explains: What Is Two-Factor Authentication and Should I Be Using It?

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• Reality Check Webinar: How Does Your End User Adoption Fare Against 300 other Companies?

  - by Di Seghposs

  Gain insight into Neochange's 2012 Adoption Insight Report and Compare your End User Adoption Rate and Strategy! Discover why user adoption is a key factor to your IT investment's success and how Oracle UPK Professional can help ensure it!  Join us as Chris Dowse, CEO of Neochange and Beth Renstrom, Manager of Oracle UPK Outbound Product Mangement, reveal the results of the user adoption survey in which user service models and productivity levels of 300 organizations are discussed in detail to identify trends that deliver higher business productivity. See how your organization's productivity and service model match up to those companies who are getting the most out of their IT investment. Thursday, April 5, 2012 -- 2:00 pm ET Click here, to register for the webcast.

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• Red Gate join the SSIS custom component club

  I recently noticed that Red Gate have launched themselves into the SSIS component market by releasing a new Data Cleanser component, albeit in beta for now. It seems to be quite a simple component, bringing together several features that you can find elsewhere, but with a suitable level  polish that you’d expect from them. String operations include find and replace with regular expressions, case formatting and trim, all of which are available today in one form or another, but will the RedGate factor appeal to people? Benefits include ease of use, all operations in one place, versus installing a custom component which many organisations do not like. I’m also interested to see where they take this and SSIS products in general, as it almost seems too simple for RedGate, a company I normally associate with more advanced problem solving. Perhaps they are just dipping a toe in the water with a simple component for now?

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• Persisting natural language processing parsed data

  - by tjb1982

  I've recently started experimenting with natural language processing (NLP) using Stanford's CoreNLP, and I'm wondering what are some of the standard ways to store NLP parsed data for something like a text mining application? One way I thought might be interesting is to store the children as an adjacency list and make good use of recursive queries (Postgres supports this and I've found it works really well). But I assume there are probably many standard ways to do this depending on what kind of analysis is being done that have been adopted by people working in the field over the years. So what are the standard persistence strategies for NLP parsed data and how are they used?

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• How to adjust DPI in 14.04

  - by jake

  I asked about fixing DPI in 12.04. The 14.04 release notes list "Support for High-DPI screens and desktop scaling." Post upgrade, it seems that nothing has changed. Similar symptoms from my previous post persist: The 1" square here is closer to 1/2" Despite the line xserver-command=X -dpi 170 in /etc/lightdm/lightdm.conf, xdpyinfo reports 96x96 dpi I did find that I was able to use the "Scale for menu and title bars" slider in System SettingsDisplays to fix title bar text size instead of setting org.gnome.desktop.interface text-scaling-factor as described here. The last post also mentions that in Gnome 3, DPI is hard coded to 96. Is this a limitation in 14.04? (I am somewhat ignorant to the distinction between Gnome and Unity) Can I do anything to properly set my DPI?

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• Orthographic Projection with variable FOV

  - by cubrman

  We are building agame with orthographic view. The problem we face is the fact that with different resolution you can see different area of the game world. E.g. if you have higher resolution you can see more around you. To solve this we currently use a common scale factor that every model is scaled by, depending on resolution. But this has drawbacks when drawing shadows - I cannot set a higher view angle for the orthographic shadow camera, while when using the perspective shadow camera I get significantly worse shadow quality. So the question is is there any way to controll FOV when using orthographic projection, or, more specifically, what is the easiest way to scale the world uniformly up or down with orthographic projection matrix? I saw that in 3ds MAX you can control FOV for an orthographic camera I wonder how they implemented it.

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• Is there any research about daily differences in productivity by the same programmer?

  - by Rice Flour Cookies

  There has been a flurry of activity on the internet discussing a huge difference between the productivity of the best programmers versus the productivity of the worst. Here's a typical Google result when researching this topic: http://www.devtopics.com/programmer-productivity-the-tenfinity-factor/ I've been wondering if there has been any research or serious discussion about differences in day-to-day productivity by the same programmer. I think that personally, there is a huge variance in how much I can get done on a day by day basis, so I was wondering if anyone else feels the same way or has done any research.

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• Find Out Which Websites are Tracking You Across the Web

  - by Taylor Gibb

  Have you ever wondered where the websites you visit send your information? Well, if you have, read on to find out about this new extension from Mozilla that will tell you how you are tracked across websites. Editor’s Note: Most websites use cookies of some type, and all online advertisers do, including the advertisers on this site. You’re welcome to block cookies if that’s a worry. How to Banish Duplicate Photos with VisiPic How to Make Your Laptop Choose a Wired Connection Instead of Wireless HTG Explains: What Is Two-Factor Authentication and Should I Be Using It?

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• How to Run PowerShell Commands on Remote Computers

  - by Chris Hoffman

  PowerShell Remoting allows you to run individual PowerShell commands or access full PowerShell sessions on remote Windows systems. It’s similar to SSH for accessing remote terminals on other operating systems. PowerShell is locked-down by default, so you’ll have to enable PowerShell Remoting before using it. This setup process is a bit more complex if you’re using a workgroup – for example, on a home network — instead of a domain. How to Make Your Laptop Choose a Wired Connection Instead of Wireless HTG Explains: What Is Two-Factor Authentication and Should I Be Using It? HTG Explains: What Is Windows RT and What Does It Mean To Me?

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• Tree position terminology/naming

  - by wst

  This is a naming things question. I am processing trees (XML documents), and there are often special rules applied to nodes based on structure. It's been very difficult coming up with concise naming conventions for some cases, namely for nodes in the first position among their siblings, along with some recursive relationship: Given an arbitrary node, I want to describe its first child, and then that node's first child, and so on recursively. Given another arbitrary node, I want to describe its parent if the parent is first among its siblings, and that parent's parent if it's first, and so on recursively. Is there existing terminology to describe these tree positions? How would you name a variable or function that captures one of these cases so that it's intuitive to an unfamiliar developer trying to understand an algorithm?

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• Add Multiple Types of Items to the Desktop Context Menu in Windows 7 or 8

  - by Lori Kaufman

  The context menu in Windows provides a convenient place to start programs, access websites, and open folders. There are several ways to add programs to the menu including a registry method and a free tool. We’ve found another free tool, called Right Click Context Menu Adder, that allows you to add more than just programs to the desktop context menu and the folders context menu. It allows you to add folders, web addresses, and files to the menus, as well as programs. Right Click Context Menu Adder is portable and doesn’t need to be installed. To run it, simply extract the .zip file you downloaded (see the link at the end of this article) and double-click on the .exe file. How to Banish Duplicate Photos with VisiPic How to Make Your Laptop Choose a Wired Connection Instead of Wireless HTG Explains: What Is Two-Factor Authentication and Should I Be Using It?

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• What platform is best for Android and iPhone development?

  - by Toy Yoda

  I've been developing non-mobile apps for linux; mainly stuff like interpreters, compilers, database engines and business apps. I've been told that if I wanted to learn how to develop iPhone/iPad applications, I should buy a Mac since Apple has all it's development tools for iPhone/iPad on Mac. Now, what about Android phones / tablets? Are the development tools better on Mac or PC? I need to buy a new laptop, and I would like to factor in mobile development in my choice of PC or Mac.

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• How Uranium Refinement Works [Video]

  - by Jason Fitzpatrick

  While building a nuclear weapon is a complex task in and of itself, the most difficult part is refining uranium. In this informative video, Bill Hammack explains. Weapons and power plants require uranium that contains a greater amount of the isotope uranium-235 than found in natural uranium, which is mostly uranium-238. He outlines the key difficulty in separating the two isotope: They have nearly identical properties. He explains the two key methods for separation: Gas diffusion and centrifuges. What Keeps Nuclear Weapons from Proliferating HTG Explains: What Is Two-Factor Authentication and Should I Be Using It? HTG Explains: What Is Windows RT and What Does It Mean To Me? HTG Explains: How Windows 8′s Secure Boot Feature Works & What It Means for Linux

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• Different iPhone screen resolutions and game graphics

  - by Luke

  We are developing a 2D game for iPhone using cocos2d-x. The artists are drawing the raster graphic for a resoluion of 640x960. For older iPhone devices, those that have a resolution of 320x480, should we provide a completely new set of graphics, to be adapted to the smaller resolution? I was thinking of simply scaling the whole scene of a factor of 2. That would save us the time to write a specific set of graphic elements for the smaller resolution. What is the best practices? How do you guys handle the different screen resolution w.r.t. the graphic part of the game?

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• Designing call center applications, what to consider.

  - by Espen Schulstad

  We have customers calling in to place orders. What sort of considerations should I make when building a call center application. Speed is a factor here. We had a powerbuilder application that was extremly fast for a trained user. We want to have the same sort of speed in our new production system. So some thoughts I've made are: Hotkeys are important. Is it faster to use a "wizard", step by step, or should I try to place everything important about the order logically on one sceen and have another screen where you do all searches, pertinent for that order?

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• Efficient way to calculate "vision cones" on 2D tile map?

  - by OverMachoGrande

  I'm trying to calculate which tiles a particular unit can "see" if facing a certain direction on a tile map (within a certain range and angle of facing). The easiest way would be to draw a certain number of tiles outward and raycast to each tile. However, I'm hoping for something slightly more efficient. A picture says a thousand words: The red dot is the unit (who's facing upwards). My goal is to calculate the yellow tiles. The green blocks are walls (walls are between tiles, and it's easy to check if you can pass between two tiles). The blue line represents something like the "raycasting" method I was talking about, but I'd rather not have to do this. EDIT: Units can only be facing north/south/east/west (0, 90, 180, or 270 degrees) and FoV is always 90 degrees. Should simplify some calculations. I'm thinking there's some sort of recursive-ish/stack-based/queue-based algorithm, but I can't quite figure it out. Thanks!

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• How to set orthgraphic matrix for a 2d camera with zooming?

  - by MahanGM

  I'm using ID3DXSprite to draw my sprites and haven't set any kind of camera projection matrix. How to setup an orthographic projection matrix for camera in DirectX which it would be able to support zoom functionality? D3DXMATRIX orthographicMatrix; D3DXMATRIX identityMatrix; D3DXMatrixOrthoLH(&orthographicMatrix, nScreenWidth, nScreenHeight, 0.0f, 1.0f); D3DXMatrixIdentity(&identityMatrix); device->SetTransform(D3DTS_PROJECTION, &orthographicMatrix); device->SetTransform(D3DTS_WORLD, &identityMatrix); device->SetTransform(D3DTS_VIEW, &identityMatrix); This code is for initial setup. Then, for zooming I multiply zoom factor in nScreenWidth and nScreenHeight.

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• how to really master a programming language

  - by cprogcr

  I know that learning a language, you can simply buy a book, follow the examples, and whenever possible try the exercises. But what I'm really looking is how to master the language once you've learned it. Now I know that experience is one major factor, but what about learning the internals of the language, what is the underlying structure, etc. There are articles out there saying read this book, read that book, make this game and that game. But to me this doesn't mean to master a language. I want to be able to read other people's code and understand it, no matter how hard that is. To understand when to use a function and when another, etc etc. The list could go on and on but I believe I've made the point. :) And finally, take whatever language as an example if needed, though best would be if C was taken as an example.

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• Implementing ASP.NET 4.0 Page.MetaDescription Property

  Before ASP.NET 4.0, you had to manually code your meta description tags. The meta description tag, though no longer used by major search engines in their ranking algorithm, is still an important factor for increasing website traffic. Bear in mind that searchers coming from search engines (such as Google) will only click on the results provided if the meta description is relevant to the query. If you want to increase your organic traffic (traffic coming from search engines) then one thing that you can easily improve are the meta descriptions. In ASP.NET 4.0, this can be easily implemented using...

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• Equation / formula to determine an objects position on an ellipitcal path

  - by David Murphy

  I'm making a space game, as such I need objects to follow an elliptical path (orbit). I've worked out how to calculate all the important aspects of my orbits, the only remaining thing is how to have an object follow it. My Orbit class contains the major, minor (and by extension semi-major,semi-minor) lengths. The focii radius, area and circumference even. What is the equation to determine an objects x/y position (only need 2D) on an ellipse with a certain speed after a period of time. Basically, every frame I want to update the position based on the amount of elapsed time. I would like to have the speed along the path speed up and slow down according to the distance from the object it's orbiting, but not sure how to factor this in to the above given that at any point in time the speed has changed from it's previous speed. EDIT I can't answer my own question. But I found the question and answer is already on stackexchange: Kepler orbit : get position on the orbit over time

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• Coherence Query Performance in Large Clusters

  - by jpurdy

  Large clusters (measured in terms of the number of storage-enabled members participating in the largest cache services) may introduce challenges when issuing queries. There is no particular cluster size threshold for this, rather a gradually increasing tendency for issues to arise. The most obvious challenges are that a client's perceived query latency will be determined by the slowest responder (more likely to be a factor in larger clusters) as well as the fact that adding additional cache servers will not increase query throughput if the query processing is not compute-bound (which would generally be the case for most indexed queries). If the data set can take advantage of the partition affinity features of Coherence, then the application can use a PartitionedFilter to target a query to a single server (using partition affinity to ensure that all data is in a single partition). If this can not be done, then avoiding an excessive number of cache server JVMs will help, as will ensuring that each cache server has sufficient CPU resources available and is also properly configured to minimize GC pauses (the most common cause of a slow-responding cache server).

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• WP: Oracle Multitenant on SuperCluster T5-8: Study of Database Consolidation Efficiency

  - by uwes

  Consolidation in the data center is the driving factor in reducing capital and operational expense in IT today. This is particularly relevant as customers invest more in cloud infrastructure and associated service delivery. Database consolidation is a strategic component in this effort. Oracle Database 12 c introduces Oracle Multitenant , a new database consolidation model in which multiple Pluggable Databases (PDBs) are consolidated within a Container Database (CDB). While keeping many of the isolation aspects of single databases, it allows PDBs to share the system global area (SGA) and background processes of a common CDB . The white paper recently published on OTN: Oracle Multitenant on SuperCluster T5-8: Study of Database Consolidation Efficiency analyzes and quantifies savings in compute resources, efficiencies in transaction processing, and consolidation density of Oracle Multitenant compared to consolidated single instance databases (SIDBs) running in a bare-metal environment.

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• How to quantify product work in Resume?

  - by mob1lejunkie

  One of things I do in my Resume is try to quantify the impact my work has had in the particular company I was with at the time. The reason is it shows the value my work had added to the business. Is this what you guys do as well or am I the only one? In my previous job this was easy as I worked on short/medium internal applications and it was fairly easy to measure end result. For example, external consulting company quoted $50,000 for an application Business Services department wanted I completed it in 3 days so I say I saved the company $48,000. I have been in my current job for 3 years but all of it has been on 1 single well established product. About 30% work is maintenance and 70% work is on new modules. I have worked on various modules like API (WCF), Security (2 factor authentication), etc. How should I quantify work on modules? Many thanks.

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• Importance of having EDU backlinks

  - by maisdesign

  I've built a few links on 50 EDU / GOV websites. 1 of them has PR 8, 3 of them have PR 7, 8 of them PR6,7 of them PR5,12 of them PR4,8 of them PR3, 1 of them PR2, 6 of them PR1, 10 of them PR0. My website has PR3 and is on first page of Google/Yahoo/Bing for a few keywords that I like How long will it take to notice a difference in PR or domain authority? (Don't tell me that PR has no value now, I know it but it is a 'fashion' thing). So you say that DOMAIN Authority isn't an important factor?

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• How can I make a case for "dependency management"?

  - by C. Ross

  I'm currently trying to make a case for adopting dependency management for builds (ala Maven, Ivy, NuGet) and creating an internal repository for shared modules, of which we have over a dozen enterprise wide. What are the primary selling points of this build technique? The ones I have so far: Eases the process of distributing and importing shared modules, especially version upgrades. Requires the dependencies of shared modules to be precisely documented. Removes shared modules from source control, speeding and simplifying checkouts/check ins (when you have applications with 20+ libraries this is a real factor). Allows more control or awareness of what third party libs are used in your organization. Are there any selling points that I'm missing? Are there any studies or articles giving improvement metrics?

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