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• OSD desktop-clock that does not get in your way?

  - by YSN

  Hello, is there a clock application, that can be placed on your screen like a widget staying always on top but automatically fades away on mouseover enabling you to click through it on items below, (behaves pretty much like the Ubuntu notifications in that sense). I am aware, that there are screenlets and gdesklets widget apps, but those are buggy, look outdated, and do not comply with the criteria listed above. What I have in mind is a clock that is large, (digital), always visible (on top of all other windows), and does not disrupt your work (e.g. you can still click that scroll bar or button if it is just below the clock, since the clock fades away on hovering). A tool called "OSD-Lyrics" that show lyrics for songs and behaves exactly the way I described above. So it should be possible (and even easier) to do the same with a clock. Thanks in advance, YSN

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• I want a non admin user to install software. What commands do I need to add to sudoers?

  - by Chance

  I want to edit the /etc/sudoers file so that a non-admin user can install software via the Software Center in Linux Mint 10. The reason for this is that I want a user to have the capability to install programs, but not make any other configuration changes to the system. So far I have the following (some of these may not make sense, I was just trying whatever I thought of) username ALL= /usr/bin/aptitude username ALL= /usr/bin/dpkg username ALL= /usr/local/bin/apt-get username ALL= /usr/lib/linuxmint/mintUpdate/mintUpdate.py username ALL= /usr/bin/software-center username ALL= /usr/bin/synaptic So far, it allows me to do updates without asking for my password, but it will not let me install software without entering an admin password. I am aware of this question, How can I set the Software Center to install software for non-root users?, but this goes the route of modifying the PolicyKit, whereas I'm interested in a sudo solution, because it seems a simpler way to go.

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• List of eCommerce sites that use end-to-end SSL?

  - by Jon Schneider

  My development team is considering implementing an eCommerce site using end-to-end SSL -- that is, every page on the site is accessed via an https:// URL -- rather than the more traditional "mixed mode" where most pages are accessed via http:// and only "secure" pages such as login and credit card entry are redirected to https://. Pros of doing such a "pure SSL" approach include avoidance of some session-hijacking attacks such as Firesheep; cons include performance considerations. My question is: Is anyone aware of a list of eCommerce websites (especially USA-based sites), or even specific websites, that use this end-to-end SSL approach? I'm especially interested in "regular" eCommerce sites rather than banks or other "financial" sites.

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• How a .NET Programmer learn Big Data/Hadoop? [on hold]

  - by Smith Pascal Jr.

  I have been ASP.NET developer for sometime now and I have been reading a lot about Big Data- Hadoop and its future as to how it is the next technology in IT and how it would be useful to create million of jobs in US and elsewhere in the world. Now since Hadoop is an open source big data tool which is managed by Apache Server Foundation Group, I'm assuming I have to be well aware of JAVA - Correct me if I'm wrong. Moreover, How a .NET programmer can learn Big Data and its related technologies and can work professionally full time into this technology? What challenges and opportunities does a .NET professional face while changing the technology platform? Please advice. Thanks

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• Google I/O 2010 - Deep dive on Gmail contextual gadgets

  Google I/O 2010 - Deep dive on Gmail contextual gadgets Google I/O 2010 - Building context-aware extensions for Gmail - Deep dive on Gmail contextual gadgets Enterprise 201 Dan Holevoet How much time do your users spend in email everyday? Wouldn't it be nice if you could seamlessly integrate your apps into the rich context offered by their email and allow them to avoid shifting to new applications for various tasks? Gmail contextual gadgets allow you to register regular expressions and insert gadgets into e-mail messages based on their content. In this session, you'll learn how to create and distribute these powerful gadgets. For all I/O 2010 sessions, please go to code.google.com From: GoogleDevelopers Views: 7 0 ratings Time: 52:39 More in Science & Technology

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• Metsys.Bson - the BSON Library

  Earlier this month I detailed the implementation of the bson serialization we used in Norm - the C# MongoDB driver. I've since extracted the serialization/deserialization code and created a standalone project for it - in the hopes that it might prove helpful to someone. If you need an efficient binary protocol to transfer data, look no further. There are two methods you need to be aware of: Serializer.Serialize and Deserializer.Deserialize. User u1 = new User{...}; byte[] bytes = Serializer.Serialize(u1); User...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• OpenSSL installed, but Ruby unable to require it

  - by uomoinverde

  I'm trying to setup github-pages on my Ubuntu laptop, and following the guide provided by Github I have to install the bundler package; giving the command ~$ gem install bundler returns me this error. ERROR: While executing gem ... (Gem::Exception) Unable to require openssl, install OpenSSL and rebuild ruby (preferred) or use non-HTTPS sources Then I have installed OpenSSL, launched the command to update software and stuff and tried again to install bundler, but the error kept showing. How can I fix this? Is there any specific command to rebuild ruby making it aware about the fact that openSSL is now installed?

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• Programmer desk: L-shaped (corner) or rectangular? [closed]

  - by GoodEnough

  I'm thinking about switching my L-shaped desk for a rectangular one, but since I can't try before actually buying the desk, I'd like to know what other people think about the matter. Is it simply a matter of preference? What are the pros and cons of each type of desk? Also, I'm guessing a rather deep desk is necessary (I was thinking over 70cm/27''). Btw, I'm aware of this question, but it doesn't talk about this specific point. Same question on StackOverflow for anyone interested in an answer.

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• How to write a product definition?

  - by Skarab

  I would like to learn how to write a software product definition. Therefore I am looking for online materials or books, which would help me to learn more about this topic. I would like to learn: what must be in what must not to be in how to make a product definition to sell internally the product finding balance between use case descriptions (the why), and feature descriptions (the how). ... I am aware that it is not something that can learn in 15 minutes but I think such a discussion could help me to have a good start.

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• Alternatives to NSMutableArray for storing 2D grid - iOS Cocos2d

  - by SundayMonday

  I'm creating a grid-based iOS game using Cocos2d. Currently the grid is stored in an NSMutableArray that contains other NSMutableArrays (the latter are rows in the grid). This works ok and performance so far is pretty good. However the syntax feels bulky and the indexing isn't very elegant (using CGPoints, would prefer integer indices). I'm looking for an alternative. What are some alternatives data structures for 2D arrays in this situation? In my game it's very common to add and remove rows from the bottom of the grid. So the grid might start off 10x10, grow to 17x10, shrink to 8x10 and then finally end with 2x10. Note the column count is constant. I've consider using a vector<vector<Object*>>. Also I'm vaguely aware of some type of "fast array" or similar offered by Cocos2d. I'd just like to learn about best practices from other developers!

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• New Java EE/GlassFish Testimonial

  - by reza_rahman

  As you may be aware, we have been making a concerted effort to ask successful Java EE/GlassFish adopters to come forward with their stories. A number of such stories were shared at this year's GlassFish Community event at JavaOne. In addition to Adam Bien's testimonial (which we posted earlier), another story that really stands out is the one from Stephan Janssen. Stephan is one of the main organizers of Devoxx and the webmaster of the popular Parleys e-learning platform. Parleys, which won the Duke's Choice award this year, runs on GlassFish as does the Devoxx CFP/registration website. Stephan's story is particularly interesting because he talks about his reasons and experience of moving from Tomcat to GlassFish and from Spring to Java EE. See what Stephan had to say here.

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• How to share my wireless connection to other wireless devices

  - by user89464

  I am aware that I can share my wired internet connection to other devices wirelessly, but what I need now is a little more complex. I am limited to one device over the wifi but would like my macbook to have internet as well. It's in another room so ethernet is not really an option. I really would like to share the wireless from my ubuntu (it's on more) to other wireless devices. After some light googling I can't find anything even remotely useful as they all involve an ethernet cable at some point. Has anyone here had any luck with anything similar? I am running 12.04 LTS just for reference and have a Belkin G wireless USB device. If anyone knows a possible procedure I can find out about the chipset etc. if needed. I understand there may be hardware limitations.

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• Handling different screen densities in Android Devices?

  - by DevilWithin

  Well, i know there are plenty of different-sized screens in devices that run Android. The SDK I code with deploys to all major desktop platforms and android. I am aware i must have special cares to handle the different screen sizes and densities, but i just had an idea that would work in theory, and my question is exactly about that method, How could it FAIL ? So, what I do is to have an ortho camera of the same size for all devices, with possible tweaks, but anyway that would grant the proper positioning of all elements in all devices, right? We can assume everything is drawn in OpenGLES and input handling is converted to the proper camera coordinates. If you need me to improve the question, please tell me.

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• Upgrade Ubuntu Server from 11.04 to 11.10 without internet connection

  - by Tony Marciano

  We have application software that really likes Ubuntu Server 11.10. I need to upgrade several 11.04 servers to this version. Two questions: The servers that need to be upgraded do not have Internet access in our datacenter due to security reasons. I need to download the updates/upgrades to a secure system and then transfer them to the datacenter servers for installation. Is anyone aware of the steps involved? How/where do I get the 11.10 updates from? I don't see an option on the Ubuntu site for downloading specific versions of the OS and/or upgrades.

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• Is there a Visual Studio style tool/IDE?

  - by Tim

  I have been developing in the windows space with Visual Studio for a while now with work, but I have also been using Ubuntu for a while and am keen to get into some software development for linux. I should also note. I am not looking for .NET and I am aware of mono. I am also familiar with c++ development and some python, so the language isn't so much relevant as the "all in one" aspect. I was interested to know if there is a useful all in one code/debug/design(gui) IDE similar to something like Visual Studio but for linux?

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• HTML 5, Fluid Pages and Google Mobile Index

  - by Bob

  I am currently migrating my site to HTML5, at the same time designing pages so that they are "fluid" and are equally presentable for a mobile or a large screen. I took the fluid approach so as not to have to develop a separate application for mobile devices and I'm pleasantly surprised with the results that look equally as good on an iPhone as they do on a large screen. Then I went into the Google Webmaster Tools facility and became aware of the Google Mobile Index. I'm confused now as HTML5 doesn't seem to be supported by Google Mobile Indexing. Does this mean that when I go live with my new "pride and joy" HTML5 site on a mobile it won't appear on any Google searches as it's not in the Google Mobile Index?

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• Is there a good way to get pixel-perfect collision detection in XNA?

  - by ashes999

  Is there a well-known way (or perhaps reusable bit of code) for pixel-perfect collision detection in XNA? I assume this would also use polygons (boxes/triangles/circles) for a first-pass, quick-test for collisions, and if that test indicated a collision, it would then search for a per-pixel collision. This can be complicated, because we have to account for scale, rotation, and transparency. WARNING: If you're using the sample code from the link from the answer below, be aware that the scaling of the matrix is commented out for good reason. You don't need to uncomment it out to get scaling to work.

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• SVG images grow and create scrollbars when on the server

  - by zuko

  Okay so I embedded some SVG images into my page and opened it locally on Chrome and it looked fine. I upload the same file to the server and look at the page online and the SVG images have grown by maybe 5-10% and are surrounded by scroll bars like they are overflowing. I think it probably has to do with my lack of knowledge on how SVG and Embed work. What's really puzzling me though, is that it works fine locally. (I have cache disabled.) Help? Thanks. Edit: code HTML: <embed type="image/svg+xml" src="content/web-logo.svg"/> There's no CSS on the image. I'm not sure if I was just wrong before or if I changed something I'm not aware of, but it doesn't appear to be actually changing size anymore. It just decides to stuff it into a scrollbox. pic: https://www.dropbox.com/s/wt1aufi7nl1fpyi/svg-problem.png

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• Google displaying swf menu in SiteLinks

  - by m90

  I have a website that uses a Flash based menu as its main navigation. A plain HTML fallback version is "lying underneath", the swf is embedded using swfobject. swfobject.embedSWF('MENU.swf', 'menu', '1000', '600', '8.0.0', 'ext/expressInstall.swf', {}, {wmode:'transparent',bgcolor:'#666666'}, {}); Somehow Google now started displaying a link to the swf-file in the SiteLinks (noting [SWF] beforehand) which is pretty ugly as the Flash content gets all scrambled and all you see is a random string of characters and numbers (it looks "hacked" to me, although I do know it is not). Also, the link to the swf is plain useless as it relies on JavaScript-functions in the HTML-document. I already demoted the swf in the Webmaster Tools, yet in some situations the link will still show up. Is anyone aware of this problem (I haven't found too much on this on the Internet) and knows how I can keep the search results from linking to the swf?

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• Correctly indexing multiple domains with same content in Google and others

  - by AJweb

  I have a client with a dozen territorial domains, like mydomain.co.uk, mydomain.fr, mydomain.de, etc Most of these domains hold a different language of the same dynamic content (shop), but some, like co.uk and .com, have the same language and content, except for some content customized to each country/domain in the front page, contact and other pages. I am aware that we should use the canonical meta tag to mark those duplicated contents, but, we want the co.uk to be present in UK ( indexed in google.co.uk ) and the .com to be present in US and other countries, for example, or least that is the goal. Is there anything we can do to "help" google determine the geographical meaning of each domain? If we mark with canonical tag the .com and co.uk sites, do you know how google will decide which one to show on a given search?

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• Why after each restart, my local .NET sites take time to load for the first time?

  - by Saeed Neamati

  I'm developing sites based on .NET platform. I usually deploy these sites on my local IIS, so that I can test them and see their functionality before going live. However, each time I restart windows, it seems that sites take a long time to run for the first time. I know about JIT and I'm also aware of this question, but it doesn't answer my question. Does JIT happens every time you restart windows? Is it related to creation of w3wp.exe process? Why sites are so slow for the first request after each restart?

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• Unity Occlusion Portals: What and How?

  - by Nick Wiggill

  (Here I eat my words on Meta about posting Unity questions on Unity Answers... since that site is less responsive than this one.) Unity provides cell-based Occlusion Culling (via Umbra, I believe). However, a newer feature that it supports is Occlusion Portals. The question is, if BSP-based occlusion culling is already a feature of Unity, what do portals add, and how? PS. This question is not "What are portals?" -- I'm aware of the original Quake BSP-style portals -- which is partly why I find the explicit portal concept in Unity odd, since it uses BSP anyway.

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• Asked to make a 2d platformer [on hold]

  - by Fendorio

  I've been tasked with creating a simple 2D platformer top be put on a webpage. The game is pretty much a simple Super Mario type game. I've been playing around with C# and C++ now for a couple years, so I'm aware that Unity offers a route to making a web game but for such a simplistic project i'm afraid that using unity would be overkill... i.e. slow, nobody wants to install the web player for a game with < 5 mins playtime. Html5 canvas/JS seems to jump out at me over flash, as that seems to be being pushed out. Any suggestions on a route to take would be greatly appreciated

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• Logic in Entity Components Systems

  - by aaron

  I'm making a game that uses an Entity/Component architecture basically a port of Artemis's framework to c++,the problem arises when I try to make a PlayerControllerComponent, my original idea was this. class PlayerControllerComponent: Component { public: virtual void update() = 0; }; class FpsPlayerControllerComponent: PlayerControllerComponent { public: void update() { //handle input } }; and have a system that updates PlayerControllerComponents, but I found out that the artemis framework does not look at sub-classes the way I thought it would. So all in all my question here is should I make the framework aware of subclasses or should I add a new Component like object that is used for logic.

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• How does one block unsupported web browsers?

  - by Sn3akyP3t3

  Web browsers with an end of life no longer receive security updates which not only makes them vulnerable to the end user, but I imagine its not safe for the server's which receive visits by them either. Is it practical to block or enforce and notify the end user that their browser is unsafe and unsupported? If so, how would one achieve that? I don't know of any official or crowd-sourced listing with that information to parse and keep up to date. I'm aware that the practice can be custom built with User Agent parsing and feature detection for HTML5 enabled browsers.

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