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• How does timeseal work? [on hold]

  - by Simon Meyer

  I know the the fics (free internet chess server: www.freechess.org/) does use a program called timeseal to measure the time that a user needed to take a move. This timeseal is some time measurement on the client. Measuring on the client is much better and fairer than measuring the time on the server since you don't lose time just by having a bad connection. But since fics has a lot of interfaces to play on - what prevents rogue interfaces to say that they always only used 0.1 seconds for any move? Does anyone know how this is handled? Just a sidenote: i don't want to build a rogue interface, but i'm trying to build something similar that is measuing client side time but should not be easy to cheat on.

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• Is there a way to play the role of Javascript with any other language like C#?

  - by Gulshan

  Is there a way to play the role of Javascript with any other language like C#? One way came up in my head is, having silverlight installed, using C# instead of Javascript for all the client side scripting (Though C# is not a scripting language). Is it possible? I am not talking about something like GWT(Java) or Script#(C#). Probably the question can be stated as- "With silverlight installed, can I do everything supported by Javascript(like DOM manipulation etc) with C#?" Hope it's clearer.

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• Does my JavaScript look big in this?

  - by benhowdle89

  As programmers, you have certain curtains to hide behind with your code. With PHP all of your code is server side preprocessed, so this never see's the light of day as far as the user is concerned. If you have maybe rushed through some code for a deadline, as long as it functions correctly then the user never needs to know how many expletives you've inserted into the comments. However with more and more applications being written for the web, with a desktop feel implemented by AJAX and popular frameworks like jQuery being banded around to every Tom, Dick and Harry, how can a programmer maintain some dignity and hide his/her JavaScript code without it being flaunted like dirty laundry when the users hit Right Click-View Source or Inspect Element. Are there any ways to hide JavaScript application logic/code?

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• How Can I Safely Destroy Sensitive Data CDs/DVDs?

  - by Jason Fitzpatrick

  You have a pile of DVDs with sensitive information on them and you need to safely and effectively dispose of them so no data recovery is possible. What’s the most safe and efficient way to get the job done? Today’s Question & Answer session comes to us courtesy of SuperUser—a subdivision of Stack Exchange, a community-driven grouping of Q&A web sites. The Question SuperUser reader HaLaBi wants to know how he can safely destroy CDs and DVDs with personal data on them: I have old CDs/DVDs which have some backups, these backups have some work and personal files. I always had problems when I needed to physically destroy them to make sure no one will reuse them. Breaking them is dangerous, pieces could fly fast and may cause harm. Scratching them badly is what I always do but it takes long time and I managed to read some of the data in the scratched CDs/DVDs. What’s the way to physically destroy a CD/DVD safely? How should he approach the problem? The Answer SuperUser contributor Journeyman Geek offers a practical solution coupled with a slightly mad-scientist solution: The proper way is to get yourself a shredder that also handles cds – look online for cd shredders. This is the right option if you end up doing this routinely. I don’t do this very often – For small scale destruction I favour a pair of tin snips – they have enough force to cut through a cd, yet are blunt enough to cause small cracks along the sheer line. Kitchen shears with one serrated side work well too. You want to damage the data layer along with shearing along the plastic, and these work magnificently. Do it in a bag, cause this generates sparkly bits. There’s also the fun, and probably dangerous way – find yourself an old microwave, and microwave them. I would suggest doing this in a well ventilated area of course, and not using your mother’s good microwave. There’s a lot of videos of this on YouTube – such as this (who’s done this in a kitchen… and using his mom’s microwave). This results in a very much destroyed cd in every respect. If I was an evil hacker mastermind, this is what I’d do. The other options are better for the rest of us. Another contributor, Keltari, notes that the only safe (and DoD approved) way to dispose of data is total destruction: The answer by Journeyman Geek is good enough for almost everything. But oddly, that common phrase “Good enough for government work” does not apply – depending on which part of the government. It is technically possible to recover data from shredded/broken/etc CDs and DVDs. If you have a microscope handy, put the disc in it and you can see the pits. The disc can be reassembled and the data can be reconstructed — minus the data that was physically destroyed. So why not just pulverize the disc into dust? Or burn it to a crisp? While technically, that would completely eliminate the data, it leaves no record of the disc having existed. And in some places, like DoD and other secure facilities, the data needs to be destroyed, but the disc needs to exist. If there is a security audit, the disc can be pulled to show it has been destroyed. So how can a disc exist, yet be destroyed? Well, the most common method is grinding the disc down to destroy the data, yet keep the label surface of the disc intact. Basically, it’s no different than using sandpaper on the writable side, till the data is gone. Have something to add to the explanation? Sound off in the the comments. Want to read more answers from other tech-savvy Stack Exchange users? Check out the full discussion thread here.     

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• Unable to install Ubuntu 12.10 on windows 8 machine/ error no5

  - by JOBIN VARGHESE

  installing crashes at halfway of 'copying files' showing an i\o device error error no5; there was problem in beginning of installation too, ubuntu was not detecting the installed windows 8. my system is a dell inspiron 5520 laptop ,with 1 tb WDC hard disk in GPT ,with EFI . my current partition is like 102 mb EFI SYSTEM partition 200 gb Windows 8 ntfs 22 gb root Ext4 8 gb swap 20 db home Ext4 680 gb ntfs Drive for storing all my files. i tried both dvd disc and usb drive, both resulted in same error. inbuild dell hardware diagnosis utility showed both hard disk and dvd drive as healthy what may be the reason and how can i install ubuntu along side my windows 8?

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• Master Degree in MIS for computer science student

  - by tnhan07

  I'm junior student in computer science. After taking half of my major related courses, I found that I don't like this theoretical side of IT. As a result, I decided that I would devote my career to CIS/MIS because it is more interesting. However, some veteran programmers in this forum said that having a strong computer science foundation would help much for CIS. Therefore, I think it's better for me to complete my CS degree then have a Master Degree in MIS than have a minor in MIS. After some internet searching, I found that top universities(in my reach) offering master degree in CIS/MIS are all business schools, is there any obstacle for a CS student who lacks of business knowledge like me if I study in these schools? Do you have any advice for me?

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• JAX-RS 2.0 Early Draft - Third Edition Available

  - by arungupta

  JAX-RS 2.0 Early Draft Third Edition is now available. This updated draft include new samples explaining the features and clarifications in content-negotiation, discovery of providers, client-side API, filters and entity interceptors and several other sections. Provide feedback to users@jax-rs-spec. Jersey 2.0, the Reference Implementation of JAX-RS 2.0, released their fourth milestone a few days ago as well. Several features have already been implemented there. Note, this is an early development preview and several parts of the API and implementation are still evolving. Feel like trying it out? Simply go to Maven Central (of course none of this is production quality at this point). The latest JAX-RS Javadocs and Jersey 2.0 API docs are good starting points to explore. And provide them feedback at [email protected] or @gf_jersey.

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• Tyrus 1.1

  - by Pavel Bucek

  It might seem like there is not much time passed since Tyrus 1.0 (Java API for WebSocket reference implementation) release, but the fact is it was frozen several weeks before going public and development in the trunk continued. Tyrus 1.1 brings some new features and improvements: client-side proxy support simple command line client various stability/performance fixes (see below for complete list) Individual blog posts about highlighted features will follow, same as related user guide chapters.. stay tuned! Tyrus 1.1 is already integrated in Glassfish trunk - you can download nightly build or upgrade to newer Tyrus manually (replace all Tyrus jars; I know this is not very user friendly, so I'll try to come up with some better solution or at least simple guide). Complete list of bugfixes/improvements: TYRUS-180 TYRUS-176 TYRUS-192 TYRUS-186 TYRUS-191 TYRUS-187 TYRUS-172 TYRUS-194 TYRUS-179 TYRUS-178 TYRUS-200 TYRUS-177 TYRUS-181 TYRUS-203 TYRUS-205 TYRUS-198 TYRUS-202 TYRUS-188 TYRUS-149 Related links: https://tyrus.java.net https://java.net/jira/browse/TYRUS/

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• Alt Key + Mouse Scroll is the New Text Zoom In/Out in NetBeans

  - by Geertjan

  When the text zoom in/out, via "Ctrl Key + Mouse Wheel", was introduced in editors in a recent version of NetBeans IDE, many people cheered. Others booed because the combination "Ctrl Key + Mouse Wheel" is often pressed accidentally, especially when the user scrolls in the editor while intending to use some Ctrl shortcut, such as paste, which is Ctrl-v. So, in NetBeans IDE 7.2, the text zoom in/out is now "Alt Key + Mouse Wheel": http://netbeans.org/bugzilla/show_bug.cgi?id=212484 Remember that the text change only persists for as long as the file is open. So, if you've accidentally resized the text (i.e., in the current situation, prior to 7.2, where unintended side effects may happen because of Ctrl key usage), you can just close the file and reopen it to get the text size back to the way it was before.

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• Is it possible to get the old workspaceswitcher back in the top-panel?

  - by Arne

  I just updated my Ubuntu from 10.04 to 12.04 yesterday and so far I'm very satisfied with it. There is only one thing which is still missing to get back just the same comfort as I had with the previous version. I work on 4 workspaces and would like to have the ability to switch from one to another by just one click. With Gnome there was the possibility to add the workspace switcher to the top-panel next to the system tray and I could easily click on just the workspace I wanted to switch to. Of course there I could switch by using the keyboard shortcuts, but I would like to use the mouse in addition. I don't like using the switcher on the left side because it's much slower. Is it possible to get the old workplace switcher back in the panel at the top?

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• SQLSat65, Great Perf Counters Poster from Quest

  - by merrillaldrich

  I was fortunate to be able to attend the Vancouver BC SQLSaturday this past weekend, and it was excellent! Great sessions, good facility, well attended. Nice work, and a huge thank you to the volunteers that made that happen. One side perk: I got a copy of this terrific performance counters poster from Quest, which you can download as a PDF for free. Very handy, especially as a teaching tool. I'm using it for my SCOM MP work. Check it out....(read more)

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• Enable Parental Controls in Windows 7

  The Internet is a fascinating yet scary world. This is especially true for those with young children who are just making their way online. As a parent it s not really plausible for you to be by your child s side at all times. Thus when they are using the computer you could probably use some help in monitoring their actions. Luckily Windows 7 s Parental Controls feature can help.... Microsoft? Cloud Power See How Companies are Using the Cloud to Cut Costs. Watch a Demo.

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• AGPL License - does it apply in this scanerio?

  - by user1645310

  There is an AGPLv3 based software (Client) that makes web service calls (using SOAP) to another software (Server - commercial, cloud based). There is no common code or any connection whatsoever between these two except for the web service calls being made. My questions - Does the Server need to be AGPL too? I guess not - but would like to confirm. Let us say the end point URL for the Server can be configured on the Client side (by editing an XML file) to connect it to different Servers (again, there is no connection other than the webservice calls being made) does it require any of these Servers being AGPL? Are there any issues in running the Client as a DLL that is loaded by other commercial applications on users' desktops? Does it require these other applications also to be AGPL? Appreciate your quick response. Pluto!

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• Server overhead caused by bots?

  - by giuseppe

  I have one customer website causing overhead (http://www.modacalcio.it/en/by-kind/football-boots.html). With htop opened, I am trying navigate the website and the much load of the website is done by the ajax link being placed on the left side of the website. The website is hosted by a VPS with 3 proc and 2GB RAM, with enough hard with disk space. The real problem is that this website is new and not visited much. From the http-status module I am seeing that the overhead is caused by bots (Google bots, Bing bots, hrefs checker and so on). So I thought that's probably due to those spiders trying to crawl all those links at once - could this be causing this overhead? I have also put rel="nofollow" in those links, but this doesn't keep the bots away. Is there any way through code or Plesk to disable those links to those bots?

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• Best resources to learn Game Development from a Java background?

  - by Julio

  Hi guys, I'm an enterprise Java programmer, however something I've been interested in and what got me into the whole programming thing was the idea of being able to create a game. Just wondering if anybody could offer any advice, or book recommendations. The side I am most interested in is game engine design and implementation. People may say "ahh but plenty exist why write your own" - its purely for learning purposes, seeing how things work and so on. So far I've taken a look at LWJGL, but achieved nothing too serious. Thanks.

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• Arbitrary projection matrix from 6 arbitrary frustum planes

  - by Doub

  A projection matrix represent a tranformation from the camera view space to the rendering system clip space. In other words, it defines the transormation between a 6-sided frustum to the clip cube. The glOrtho and glFrustum use only 6 parameter to define such a projection, but impose several constraints on the frustum that will get projected to the clip cube: the near and far planes are parallel, the left and right planes intersect on a vertical line, and the top and bottom planes intersect on a horizontal lines, both lines being parallel to the near and far planes. I'd like to lift these restrictions. So, from the definition of the 6 frustum side planes (in whatever representation you see fit), how can I compute a general projection matrix?

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• Wrong content for URL cache on Google

  - by user32592

  I have this website natural-track.com and when I do a cache check I get a completely different website,This is Google's cache of http://www.backpackers-planet.com/modules.php?name=Web_Links&l_op=visit&lid=3379 , unrelated to my site. I have checked with the host, they say all is well on their side. How can we fix it? The site also went off from Google Search. We are about to rebuild this site to a better professional platform but first we would like to have an idea of what happened and how to fix it.

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• Best resources to learn Game Development from a Java background?

  - by Julio

  I'm an enterprise Java programmer, however something I've been interested in and what got me into the whole programming thing was the idea of being able to create a game. Just wondering if anybody could offer any advice, or book recommendations. The side I am most interested in is game engine design and implementation. People may say "ahh but plenty exist why write your own" - its purely for learning purposes, seeing how things work and so on. So far I've taken a look at LWJGL, but achieved nothing too serious. Thanks.

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• Web.NET is Closing Fast

  - by Chris Massey

  The voting for sessions has now closed, and sadly only half of the potential sessions could make it through. On the plus side, the sessions that floated to the top look great and, with the votes in, Simone and Ugo have moved right along and created a draft agenda to whet our appetites. Take a look, and let them know what you think. I’d also strongly recommend that you get ready to grab your tickets when they become available next week (specifically, September 18th), as places are going to be snapped up fast. In case you need a reminder as to why Web.NET is worth your time: Complete focus on web development Awesome sessions All-night hackathon Free (although I urge you to make a donation to help Simone and Ugo create the best possible event) Put October 20th in your calendar, and start packing. I’ve already booked my flights, and am perusing the list of hotels while I eat my lunch. Bonus Material There will be a full day of RavenDB training on Monday the 22nd of October, run by Ayende himself, and attending Web.NET will get you a 30% discount on the cost of the session.

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• May I remove ads from feed in my news reader app?

  - by Mahdi Ghiasi

  I'm creating a News Reader app for Tablets and PCs. My app is fetching data from news sources by RSS feed of websites (in the server-side). But some of these sites are showing some advertising banners at the end of each article. Should I remove those banners from the feed? Am I legally/ethically allowed to do this? And what about If I want to put some other ads in my application? (Right at the end of each article) I mean, If I want to have my own advertising service... Update: And what if I use feed for content titles and summaries, but use other thing, like Readability API to show full article, and then put my own ads below content? (Readability gets the HTML page, and gives you a clean page without any ads and such.)

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• How is the iOS support in UDK compared to Unity?

  - by Joe

  I have some significant experience in Unity for web clients, but I'm skeptical about the 3K$ price tag to create/deploy iOS games. I noticed UDK now supports iOS, and appears to have "free" version control- and it's only 100$ from what I can tell. My primary question is: Does UDK make iOS development and deployment easy, or do you have to jump through a couple of hoops to make it work? A few side questions not worth another post: How hard is the transition from Unity to UDK? Is UnrealScript easy to pick up from a C/C# background? Does the UDK have good documentation compared to Unity?

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• NEON Intrinsic Support in CE7

  - by Kate Moss' Open Space

  Just a side note for people who may be interested in creating high performance code to take advantage on NEON instruction set but wish to use NEON intrinsic instaed of coding assembly. Compiler won't generate NEON opcode unless application use the NEON intrinsic explicitly. Basically, you need ARMv7 build enviroment, so compiler can emit NEON opcode. Intrinsic prototype can be found in public\COMMON\sdk\inc\arm_neon.h and that is all you got. If you ever find an NEON opcode does not have corresponding intrinsic, you still need to use the old trick - write that part of code in assembly.

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• GDD-BR 2010 [1C] Google Web Tookit: What it is, How it Works and Deeper Dives

  GDD-BR 2010 [1C] Google Web Tookit: What it is, How it Works and Deeper Dives Speaker: Chris Ramsdale Track: Cloud Computing Time slot: C [12:05 - 12:50] Room: 1 Level: 151 If you're like the rest of us, at some point in your web app development you've wondered if there was an easier solution. One that includes built-in debuggers, code refactoring, reliable syntax highlighting, etc. After all, why should the server-side and desktop programmers get all of the good tools? The good news is that with Google Web Toolkit (GWT) you do have access to these tools. And in this session, Chris Ramsdale will get you up and running with GWT, including what it is, how it works, and deeper dives into generators, native Javascript interop, and compiler optimizations. From: GoogleDevelopers Views: 1 0 ratings Time: 35:02 More in Science & Technology

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• The next step for a graduate?

  - by Michael Hobbs

  I will complete my degree in Computer Science in July of 2013 however I will have two years of military service left. I would like to get some hands on C#/C++ programming experience in the mean time. I have been looking around the web at all the open source project that are out there. There are literally 10's of thousands. How would you go about picking one that is: A) good for a graduate level programmer B) will probably go somewhere, and C) are willing to take a novice under their wing. I would even be happy to work for a company for free, remotely as a debugger, tester, or what have you. As a side note would prefer to stick in the C# realm but understand I need to branch out at the same time.

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• How can I map the docky anchor button so that it will launch the unity dash?

  - by user76179

  Example of a Docky Dock I have the Docky dock on my desktop. It has an anchor logo button (as seen on the left side image of the link above) that brings up the Docky settings. I want to map it so that it opens my dash instead. I believe I can do this through gconf and by setting the docky button to either my super key or the necessary path required to open the dash function (but I do not know this path or how to code a button to a keyboard key). How can I map the docky anchor button so that it will launch the unity dash (as similar to when you simply tap the super key)?

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