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• Advice On Price Comparison Affiliate Programs

  - by pixelcook

  I want a price comparison feature on my site similar to Consumer Reports' "Price & Shop" section. They use PriceGrabber.com, but as far as I can tell they have a special deal with CR, so I can't get a similar service for my site. I've gathered that I need to use an affiliate network, but the whole thing seems so shady, I don't really know what sites are legit, and I don't know what sites offer the price comparison feature. Datafeedfile.com comes up a lot during my searches, but the ugly site makes me wary. Does anyone have any experience with this? What affiliate networks do you recommend? Or should I be looking at something else altogether?

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• Collision Detection in Java for a game

  - by gordsmash

  Im making a game in Java with a few other people but we are stuck on one part of it, making the collision detection. The game is an RPG and I know how to do the collision detection with the characters using Rectangles, but what I dont know how to do is the collision detection for the maps. What I mean by that is like so the character cant walk over trees or water and that stuff but using rectangles doesnt seem like the best option here. Well to explain what the game maps are gonna look like, here is an example http://i980.photobucket.com/albums/ae287/gordsmash/7-8.jpg Now I could use rectangles to get bounds and stop the player from walking over the trees and water but that would take a lot of them. But is there another easier way to prevent the player from walking over the trees and obstacles besides using Rectangles?

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• Graphics on boot split into three sections

  - by a sandwhich

  I just installed 13.04 onto a new laptop because of the ease of install with the uefi bios. When I boot the system though, the screen is split into three sections each about 640x200 at the top of the screen, with the active terminal mirrored across them. Although I can login, startx fails due to something about a file. I have tried booting with vga=711 and normal nomodeset with no success. Booting the live usb I originally installed from results in the same issue. The graphics driver in the xorg.conf.something from what I can make out is set to vesa, but it could be set to some other four character value that is similar to vesa, hard to tell. How can I fix this? One thing to note, the laptop has two dedicated GT 750m's, along with the intel 4000 built into the processor. This is what it looks like, the purple box is what the grub2 menu was in before boot.

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• Larry Ellison cikk, tervek a Sun-nal, az ember az Iron Man 2-bol

  - by Fekete Zoltán

  2010. május 12-én jelent meg a következo cikk az Oracle-rol és Larry Ellisonról (az Oracle CEO-ja): Special Report: Can That Guy in Ironman 2 Whip IBM in Real Life?. Larry szerepel az Iron Man 2 c. filmben is, ahogyan korábbi blogbejegyzésemben már írtam róla: Larry Ellison is szerepel az Iron Man 2 c. filmben, a nyúlfarknyi 3 másodperces szerepben önmagát alakítja. A következokben a cikkbol idézek. "...Sun under Oracle should be larger than Sun ever was", azaz a Sun az Oracle kezében sokkal jobban fog muzsikálni, mint korábban önállóan. "He added that he expects profit from Sun's operations to boost Oracle's earnings in the current quarter, which ends May 31.", azaz Larry már a két hét múlva végetéro pénzügyi negyedévben is profitot remél a Sun termékekbol.

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• When there's no TCO, when to worry about blowing the stack?

  - by Cedric Martin

  Every single time there's a discussion about a new programming language targetting the JVM, there are inevitably people saying things like: "The JVM doesn't support tail-call optimization, so I predict lots of exploding stacks" There are thousands of variations on that theme. Now I know that some language, like Clojure for example, have a special recur construct that you can use. What I don't understand is: how serious is the lack of tail-call optimization? When should I worry about it? My main source of confusion probably comes from the fact that Java is one of the most succesful languages ever and quite a few of the JVM languages seems to be doing fairly well. How is that possible if the lack of TCO is really of any concern?

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• Disabling Password and Key Login

  - by Matthew Miller

  I want to disable the login prompt to access the Passwords and Keys. Right clicking the prompt does not bring up a change password dialogue. Under Applications System Tools Preferences there is "Passwords and Keys" but right clicking that does not allow me to change the password either. There is no Password and Keys selection under Accessories. I used to be able to change the password to a blank character, which allowed it to automatically login, but there doesn't seem to be an option for that now. Using Gnome 3 in 12.10 Thank you

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• SSIS - The expression cannot be parsed because it contains invalid elements at the location specifie

  - by simonsabin

  If you get the following error when trying to write an expression there is an easy solution Attempt to parse the expression "@[User::FilePath] + "\" + @[User::FileName] + ".raw"" failed.  The token "." at line number "1", character number "<some position>" was not recognized. The expression cannot be parsed because it contains invalid elements at the location specified. The SSIS expression language is a C based language and the \ is a token, this means you have to escape it with another one. i.e "\" becomes "\\", unlike C# you can't prefix the string with a @, you have to use the escaping route. In summary when ever you want to use \ you need to use two \\

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• How do I rebuild a corrupt dpkg status file?

  - by Ramón

  Whenever I type sudo apt-get remove and then press the Tab key for auto-completion I get the following message: grep-status: /var/lib/dpkg/status:15945: expected a colon. I don't see anything especially strange at line 15945 in the status file. It's a dot character in the description field of a mono library package and inserting a colon did not help. Removing the line containing the dot did not work either. Overwriting the file with status-old resulted in the same message. Is there some way to rebuild the status file?

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• Fan running constantly on a Dell D420 laptop

  - by Halik

  I'm running latest Ubuntu 12.04 beta on a Dell D420 laptop. The fan is spinning almost constantly - even after turning the PC off, letting it cool down, and then turning it back on, the fan will turn on after some idle time. Not to mention any CPU work. The CPU temps are normal, in range of 50-55 idle, and up to 70 with some load. It wouldn't be an issue, but the same PC running Fedora, or Arch Linux, had a much more modest fan profile - the temps were managed while you seldom heard the fan. To counter the problem, I currently use i8k tools, set manual temperature thresholds which seemed to have worked, but the i8kmon has a tendency to cycle the fan between lower and higher state within aboutin a second intervals - which is extremely annoying. As far as I can tell I did not run any special software (beside laptop-mode-tools), or any additional kernel modules when running Arch Linux and I can't tell about Fedora.

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• Design pattern for isomorphic trees

  - by Peregring-lk

  I want to create a data structure to work with isomorphic tree. I don't search for a "algorithms" or methods to check if two or more trees are isomorphic each other. Just to create various trees with the same structure. Example: 2 - - - - - - - 'a' - - - - - - - 3.5 / \ / \ / \ 3 3 'f' 'y' 1.0 3.1 / \ / \ / \ 4 7 'e' 'f' 2.3 7.7 The first "layer" or tree is the "natural tree" (a tree with natural numbers), the second layer is the "character tree" and the third one is the "float tree". The data structure has a method or iterator to traverse the tree and to make diferent operations with its values. These operations could change the value of nodes, but never its structure (first I create the structure and then I configure the tree with its diferent layers). In case of that I add a new node, this would be applied to each layer. Which known design pattern fits with this description or is related with it?

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• Stupid Geek Tricks: How To Download Firefox On a New Computer Without Using Internet Explorer

  - by Chris Hoffman

  Internet Explorer-haters often say that the only good use for Internet Explorer is downloading Firefox or Chrome. But if you really don’t like IE, you can use Windows’ built-in FTP support to download and install Firefox without ever opening IE. Sure, you could just open Internet Explorer and download Firefox from Mozilla’s website, but where’s the geeky fun in that? This trick is about Firefox because Mozilla provides an FTP server, while Google doesn’t seem to. Downloading Firefox without using Internet Explorer may also come in handy if Internet Explorer is crashing and isn’t working properly on your system. 8 Deadly Commands You Should Never Run on Linux 14 Special Google Searches That Show Instant Answers How To Create a Customized Windows 7 Installation Disc With Integrated Updates

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• Flash framerate reliability

  - by Tim Cooper

  I am working in Flash and a few things have been brought to my attention. Below is some code I have some questions on: addEventListener(Event.ENTER_FRAME, function(e:Event):void { if (KEY_RIGHT) { // Move character right } // Etc. }); stage.addEventListener(KeyboardEvent.KEY_DOWN, function(e:KeyboardEvent):void { // Report key which is down }); stage.addEventListener(KeyboardEvent.KEY_UP, function(e:KeyboardEvent):void { // Report key which is up }); I have the project configured so that it has a framerate of 60 FPS. The two questions I have on this are: What happens when it is unable to call that function every 1/60 of a second? Is this a way of processing events that need to be limited by time (ex: a ball which needs to travel to the right of the screen from the left in X seconds)? Or should it be done a different way?

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• PHP security regarding login

  - by piers

  I have read a lot about PHP login security recently, but many questions on Stack Overflow regarding security are outdated. I understand bcrypt is one of the best ways of hashing passwords today. However, for my site, I believe sha512 will do very well, at least to begin with. (I mean bcrypt is for bigger sites, sites that require high security, right?) I´m also wonder about salting. Is it necessary for every password to have its own unique salt? Should I have one field for the salt and one for the password in my database table? What would be a decent salt today? Should I join the username together with the password and add a random word/letter/special character combination to it? Thanks for your help!

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• How to better adjust more then 2 keyboard layouts

  - by zetah

  From time to time I have to use characters not present in my two layouts: Latin and Cyrillic and instead digging in Character map I thought to additionally add 2 more keyboard layouts. My issue with this approach is that most of the time I use just two layouts, and while changing to different layout (Alt-Shift) I now have to press couple of times to switch to previous layout. It's not just number of pressings, but I have to press two keys at once and track keyboard indicator which is distracting. I tried some options presented in keyboard settings, but I think there is no option that I would like - change just between first two layouts on Alt-Shift, and if I want to use additional layout I can choose it from keyboard indicator drop-down menu. Any ideas how this might be possible

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• Oracle VM & Virtualisation

  - by Alex Blyth

  Hi AllHere are the details for Wednesday's (28th April 2010) webcast on "Oracle VM & Virtualisation" with Special Guest - Dean Samuels, Principal Sales Consultant for Oracle VM and Oracle Enterprise Linux -  beginning at 1.30pm (Sydney, Australia Time) :Webcast is at http://strtc.oracle.com (IE6, 7 & 8 supported only)Conference ID for the webcast is 6690427Conference Key: oraclevmEnrollment is required. Please click here to enroll.Please use your real name in the name field (just makes it easier for us to help you out if we can't answer your questions on the call)Audio details:NZ Toll Free - 0800 888 157 orAU Toll Free - 1800420354 (or +61 2 8064 0613Meeting ID: 7914841Meeting Passcode: 28042010Talk to you all tomorrowAlex

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• OOW2012 Session: Identity Management and the Cloud

  - by Darin Pendergraft

  Cloud architecture and the agility and cost savings it provides are compelling reasons for companies to consider this alternative deployment option.  However, concerns about security keep customers from making the investment. If you are at Oracle Openworld 2012, please join us for a discussion about IDM and the Cloud - Wednesday,  October 3 @ 1:15 pm - 2:15 pm in Moscone West 3008. Mike Neuenschwander and Melody Liu from Oracle will host special guests John Houston from UPMC, Tim Patterson from CONAGRA Foods Inc., and John Hill from SaskTel as they discuss how customers are addressing security and identity issues in the cloud. Click the link for a full session description: session description

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• How to check any undocumented methods provided by apple?

  - by Mahbubur R Aaman

  The following tools is provided by Apple dlopen dlsym objc_getClass sel_registerName objc_msgSend Those are listing Objective-C selectors, or strings. Objective-C selectors are stored in a special region of the binary, and therefore Apple could extract the content from there, and check if you've used some undocumented Objective-C methods. How to utilize these tools to find undocumented Objective-C methods? EDIT: Recently, one of my App rejected due to using one undocumented methods. -[UIDevice setOrientation] Since, selectors are independent from the class you're messaging, even if my custom class defines -setOrientation: irrelevant to UIDevice, there will be a possbility of being rejected.

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• Cool Cleaner for Android Makes Cache and History Wiping a Snap

  - by Jason Fitzpatrick

  Cool Cleaner for Android is a free application that consolidates the process of clearing the varies caches and histories on your Android dead-simple wiping. If you frequently clear the cache and history files for applications on your phone, Cool Cleaner will save you a ton of time. Rather than navigating to various applications and sub-menus to clear out the cache and the history, Cool Cleaner acts as a dashboard for all your apps. From the History and Cache tabs in the app you can wipe everything from your outgoing call log to your Market search history and more. If the app has a history file or cache you can wipe it from Cool Cleaner–including non-stock apps like Facebook, TweetDeck, game apps, etc. Cool Cleaner is a free ad-supported application. Hit up the link below to read more and grab a copy. Cool Cleaner [Android Market via Addictive Tips] How To Make a Youtube Video Into an Animated GIFHTG Explains: What Are Character Encodings and How Do They Differ?How To Make Disposable Sleeves for Your In-Ear Monitors

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• A good interpreted language for a small embedded project

  - by Earlz

  I have an mbed which has a small ARM Cortex M3 on it. Basically, my effective resources for the project are ~25Kb of RAM and ~400Kb of Flash. For I/O I'll have a PS/2 keyboard, a VGA framebuffer(with character output), and an SD card for saving/loading programs(up to a couple of Mb maybe) The reason I ask this here is because I'm trying to figure out what programming language to implement on the thing. I'm looking for an interpreted language that's easy for me to implement, and won't break the bank on my resources. I also intend for this to be at least possible to write on th device itself, though the editor can be interpreted(yay bootstrapping) Anyway, I've looked at a few simple languages. Some nice candidates: Forth BASIC Scheme? Has anyone done something like this or know of any languages that can fit this bill or have comments about my three candidates so far?

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• Why don't we use dynamic (server-side generated) CSS?

  - by ern0

  As server-side generated HTML is trivial (and it was the only way to make dynamic webpages before AJAX), server-side generated CSS is not. Actually, I've never seen it. There are CSS compilers, but they generate CSS files which can be used as static. Technically, it requires no special libraries, the HTML style tag should reference to the PHP(/ASP/whatever) templater script instead of the static CSS file, and the script should send out CSS content-type header - that's all. Does it have cache problems? I don't think so. The script should send out no-cache etc. headers. Is it problem for designers? No, they should edit the CSS template (as they edit the HTML template). Why we don't use dynamic CSS generators? Or if there's any, please let me know.

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• .Net Rocks TV - Architecting Windows Phone Applications

  - by psheriff

  I recently completed a .NET Rocks TV show with Carl Franklin. In this episode I discuss some design decisions that will help you create architecturally sound Windows Phone applications. Of course, many of the techniques will also apply to Silverlight and WPF application development as well. Check out the episode at http://www.dnrtv.com/default.aspx?showNum=184   Good Luck with your Coding,Paul Sheriff   ** SPECIAL OFFER FOR MY BLOG READERS **Visit http://www.pdsa.com/Event/Blog for a free video on Silverlight entitled Silverlight XAML for the Complete Novice - Part 1.

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• Do people in non-English-speaking countries code in English?

  - by Damovisa

  With over 100 answers to this question it's highly likely that your answer has already been posted. Please don't post an answer unless you have something new to say I've heard it said (by coworkers) that everyone "codes in English" regardless of where they're from. I find that difficult to believe, however I wouldn't be surprised if, for most programming languages, the supported character set is relatively narrow. Have you ever worked in a country where English is not the primary language? If so, what did their code look like? Edit: Code samples would be great, by the way...

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• 3DS Max exporting too many vertexes for model

  - by Juan Pablo

  I have a sample model of a cube and a buddha downloaded from internet in 3ds format which I can load correctly into my program and view them without problem, but wanted to try and create my own model. I created a simple box mesh in 3ds max, and exported it as .3ds (Converted to mesh - export as .3ds) When inspecting the .3ds file with a hex viewer, I was expecting to see 8 vertexes and 12 faces declared (as the model I downloaded from internet). But what i found was that it listed 26 vertexes, and 12 faces! And when I try to load that file with my .3ds viewer, my parser isn't detecting the face block (0x4120), which is strange because it worked for other objects downloaded from internet. Do I have to set any special property in order to export a 3ds file with minimum vertexes and a vertex-index list?

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• Live Meeting error: malformed email address... or IS IT???

  - by PeterBrunone

  During a remote SharePoint training session this morning, Live Meeting presented one of our instructors with the following gem:  "An attendee email address is malformed".  This was particularly troubling since a wizard took care of adding all the entries, and they looked correct (even after being sifted through my character analysis tool).As it turns out, the addresses were indeed correct.  As sometimes happens, though, at the line breaks, it looked like there was no space between the semicolon and the following email address.  Since I'm a member in good standing of the "I wonder what this button does" school of thought, I added an extra space after each of these cramped little semicolons -- and the invitation executed flawlessly.Coincidence?  Maybe... but you can bet I'm going to keep trying dumb stuff like that when the error message doesn't make sense.  Think of it as the tech support equivalent of "Ask a silly question..."

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• Does software rot refer primarily to performance, or to messy code?

  - by Kazark

  Wikipedia's definition of software rot focuses on the performance of the software. This is a different usage than I am used to; I had thought of it much more in terms of the cleanliness and design of the code—in terms of the code's having all the standard quality characteristics: readability, maintainability, etc. Now, performance is likely to go down when the code becomes unreadable, because no one knows what is going on. But does the term software rot have special reference to performance? or am I right in thinking it refers to the cleanliness of the code? or is this perhaps a case of multiple senses of the term being in common usage—from the user's perspective, it has do with performance; but for the software craftsman, it has to do more specifically with how the code reads?

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