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• Identifying which pattern fits better.

  - by Daniel Grillo

  I'm developing a software to program a device. I have some commands like Reset, Read_Version, Read_memory, Write_memory, Erase_memory. Reset and Read_Version are fixed. They don't need parameters. Read_memory and Erase_memory need the same parameters that are Length and Address. Write_memory needs Lenght, Address and Data. For each command, I have the same steps in sequence, that are something like this sendCommand, waitForResponse, treatResponse. I'm having difficulty to identify which pattern should I use. Factory, Template Method, Strategy or other pattern. Edit I'll try to explain better taking in count the given comments and answers. I've already done this software and now I'm trying to refactoring it. I'm trying to use patterns, even if it is not necessary because I'm taking advantage of this little software to learn about some patterns. Despite I think that one (or more) pattern fits here and it could improve my code. When I want to read version of the software of my device, I don't have to assembly the command with parameters. It is fixed. So I have to send it. After wait for response. If there is a response, treat (or parse) it and returns. To read a portion of the memory (maximum of 256 bytes), I have to assembly the command using the parameters Len and Address. So I have to send it. After wait for response. If there is a response, treat (or parse) it and returns. To write a portion in the memory (maximum of 256 bytes), I have to assembly the command using the parameters Len, Address and Data. So I have to send it. After wait for response. If there is a response, treat (or parse) it and returns. I think that I could use Template Method because I have almost the same algorithm for all. But the problem is some commands are fixes, others have 2 or 3 parameters. I think that parameters should be passed on the constructor of the class. But each class will have a constructor overriding the abstract class constructor. Is this a problem for the template method? Should I use other pattern?

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• google chrome : http authentication issue on iframe

  - by Daniel Dzussa

  I have an HTML file with 2 links http://versionplus.in/pass/new.html, both links are in an iframe to load the contents inside the iframe. I have two protected directories one on the same server and other on another server. If you click on either link it will popup the login box, same for both links in all browsers except google chorme. google chrome doesn't show login box for the protected folder on another server, how can I fix this ?

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• Ubuntu Linux won't display netbook's native resolution

  - by Daniel

  FYI: My Netbook model is HP Mini 210-1004sa, which comes with Intel Graphics Media Accelerator 3150, and has a display 10.1" Active Matrix Colour TFT 1024 x 600. I recently removed Windows 7 Starter from my netbook, and replaced it with Ubuntu 12.10. The problem is the OS doesn't seem to recognise the native display resolution of 1024x600 i.e. the bottom bits of Ubuntu is hidden beneath the screen & the only 2 available resolutions are: the default 1024x768 and 800x600. I've also thought about replacing Ubuntu with Lubuntu or Puppy Linux, as the system does run a bit slow, but I can't, as then I won't be able to access the taskbar and application menu which will be hidden beneath the screen. Only Ubuntu with Unity is currently usable, as the Unity Launcher is visible enough. I was able to define a custom resolution 1024x600 using the Q&A: How set my monitor resolution? but when I set that resolution, there appears a black band at the top of the screen and the desktop area is lowered, with bits of it hidden beneath the screen. I tried leaving it at this new resolution and restarting the system to see if the black band would disappear & the display will fit correctly, but it gets reset to 1024x768 at startup and displays following error: Could not apply the stored configuration for monitors none of the selected modes were compatible with the possible modes: Trying modes for CRTC 63 CRTC 63: trying mode 800x600@60Hz with output at 1024x600@60Hz (pass 0) CRTC 63: trying mode 800x600@56Hz with output at 1024x600@60Hz (pass 0) CRTC 63: trying mode 640x480@60Hz with output at 1024x600@60Hz (pass 0) CRTC 63: trying mode 1024x768@60Hz with output at 1024x600@60Hz (pass 1) CRTC 63: trying mode 800x600@60Hz with output at 1024x600@60Hz (pass 1) CRTC 63: trying mode 800x600@56Hz with output at 1024x600@60Hz (pass 1) CRTC 63: trying mode 640x480@60Hz with output at 1024x600@60Hz (pass 1) Trying modes for CRTC 64 CRTC 64: trying mode 1024x768@60Hz with output at 1024x600@60Hz (pass 0) CRTC 64: trying mode 800x600@60Hz with output at 1024x600@60Hz (pass 0) CRTC 64: trying mode 800x600@56Hz with output at 1024x600@60Hz (pass 0) CRTC 64: trying mode 640x480@60Hz with output at 1024x600@60Hz (pass 0) CRTC 64: trying mode 1024x768@60Hz with output at 1024x600@60Hz (pass 1) CRTC 64: trying mode 800x600@60Hz with output at 1024x600@60Hz (pass 1) CRTC 64: trying mode 800x600@56Hz with output at 1024x600@60Hz (pass 1) CRTC 64: trying mode 640x480@60Hz with output at 1024x600@60Hz (pass 1)

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• How do I remove my Windows 7 setup from a Windows/Ubuntu dual-boot?

  - by Tom

  Previously my OS was Window 7 and some day it began to show problems with booting and finally it didn't boot at all. I tried to repair it but it didn't get repaired. Then I installed Ubuntu 14.04 LTS alongside Windows and am impressed much by Ubuntu. So I want to remove all my Windows files. I searched Google to know how to do it and I found OS-Uninstaller. I have some doubts before proceeding with OS-Uninstaller - I need to keep my photos, songs, movies and personal files in my system even if Windows is removed. Normally Windows files are installed in the C Drive. My personal files are not in the C Drive. So will removing Windows files affect my personal files ? Did the OS-Uninstaller affect Ubuntu anyway ? Please note that I want to remove only the Windows installation files(the files added to my system by Windows during its installation). I don't want to change the NTFS partition to any other format since there is a probability that I will install newer version of Windows later.

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• How do I manipulate the Url of my Silverlight testpage.aspx?

  - by Daniel

  I am making an XNA game using Silverlight over the web. My testpage.aspx is linked to from a previous page where the client selects certain elements. The testpage.aspx URL changes depending on what I have sent to it. Now in my mainpage.cs file I would like to call certain functions depending on what was passed, but I am unsure how to manipulate or even access the URL. Is there a specific class in the Silverlight library I can use? Thank you for your time.

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• How to implement "bullet time" in a multiplayer game?

  - by Tom

  I have never seen such a feature before, but it should provide an interesting gameplay opportunity. So yes, in a multiplayer/real-time environment (imagine FPS), how could I implement a slow motion/bullet time effect? Something like an illusion for the player that's currently slo-mo'ed. So everybody sees him "real-time", but he sees everything slowed down. Update A sidenote: keep in mind that a FPS game has to be balanced in order for it to be fun. So yes, this bullet time feature has to be solid, giving a small advantage to the "player", while not taking away from other players. Plus, there is a possibility that two players could activate their bullet time at the same time. Furthermore: I'm going to implement this in the future no matter what it takes. And, the idea is to build a whole new game engine for all this. If that gives new options, I'm more then interested in hearing the ideas. Meanwhile, here with my team we're thinking about this too, when our theory will be crafted, I'm going to share it here. Is this even possible? So, the question on "is this even possible" has been answered, now it's time to find the best solution. I'm keeping the "answer" until something exceptionally good comes up, like a prototype theory with something close to working pseudo code.

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• When is it reasonable to create my own programming language?

  - by Daniel Rikowski

  Are there types of killer applications, classes of algorithmic problems, etc., where it is better, in the long run, to create my own language? PS: Just to be sure, I mean a new programming language and a compiler, not a new compiler for an existing language. EDIT: Thank you for the answers. Can you provide some examples, where it is absolutly unnecessary to create a DSL or cases in which a DSL might be a good idea?

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• Which isometric angles can be mirrored (and otherwise transformed) for optimization?

  - by Tom

  I am working on a basic isometric game, and am struggling to find the correct mirrors. Mirror can be any form of transform. I have managed to get SE out of SW, by scaling the sprite on X axis by -1. Same applies for NE angle. Something is bugging me, that I should be able to also mirror N to S, but I cannot manage to pull this one off. Am I just too sleepy and trying to do the impossible, or a basic -1 scale on Y axis is not enough? What are the common used mirror table for optimizing 8 angle (N, NE, E, SE, S, SW, W, NW) isometric sprites?

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• Forking a repo on GitHub but allowing new issues on the fork

  - by Tom Swirly

  I have previously forked other people's repos on GitHub, and I have noticed that issues stay with the original repo, and that I can't file issues on the forked repo. I now have the following task. I am working for a small business where development was being done by one of the principals on his personal account. He has amicably left the project, and we would like to migrate that project away from his personal account to a new "role" account on GitHub. I would naturally fork the repo, in order to preserve the code history, but then I'll end up with a repo where we can't file new issues, which is quite undesirable. How can I make a copy of this original repo into our new account, ideally still preserving code history, but be able to file new issues within this new account?

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• Are there any significant advantages to using a native language for mobile app development?

  - by Karl Daniel

  Forgive me if this question has already been answered but I couldn't quite find the answer I was looking for. What I wanted to know was, is there any significant advantage to using a native language when developing and deploying apps to a mobile environment? The reason I ask is for a long while now I've been using Objective-C, Apple's native language for iOS, to build my apps. However I've been wondering whether or not there is any real benefit to doing this, over using a non-native language like JavaScript and then deploying it through a service like 'Phone Gap'? I do stress 'significant' advantages as native languages are always more likely to have the upper hand when it comes to speed and access to the latest APIs. However in general I don't see using a non-native language or a service like 'Phone Gap' causing and major slow down to my apps or restricting my development. Additionally having the ability to deploy to multiple services is also very handy indeed. This is why I put the question, are there any significant advantages to using a native language for mobile app development?

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• Ubuntu 12.04 - syslog showing "SGI XFS with ACLs, security attributes, realtime, large block/inode numbers, no debug enabled"

  - by Tom G

  I have been seeing these random logs in syslog on our production system. There is no XFS setup. Fstab only shows local partitions, only EXT3 . There is nothing in crontabs either. The only file system related package I have installed is 'nfs-kernel-server' Kernel version is 3.2.0-31-generic . kernel: [601730.795990] SGI XFS with ACLs, security attributes, realtime, large block/inode numbers, no debug enabled kernel: [601730.798710] SGI XFS Quota Management subsystem kernel: [601730.828493] JFS: nTxBlock = 8192, nTxLock = 65536 kernel: [601730.897024] NTFS driver 2.1.30 [Flags: R/O MODULE]. kernel: [601730.964412] QNX4 filesystem 0.2.3 registered. kernel: [601731.035679] Btrfs loaded os-prober: debug: running /usr/lib/os-probes/mounted/10freedos on mounted /dev/vda1 10freedos: debug: /dev/vda1 is not a FAT partition: exiting os-prober: debug: running /usr/lib/os-probes/mounted/10qnx on mounted /dev/vda1 10qnx: debug: /dev/vda1 is not a QNX4 partition: exiting os-prober: debug: running /usr/lib/os-probes/mounted/20macosx on mounted /dev/vda1 macosx-prober: debug: /dev/vda1 is not an HFS+ partition: exiting os-prober: debug: running /usr/lib/os-probes/mounted/20microsoft on mounted /dev/vda1 20microsoft: debug: /dev/vda1 is not a MS partition: exiting os-prober: debug: running /usr/lib/os-probes/mounted/30utility on mounted /dev/vda1 30utility: debug: /dev/vda1 is not a FAT partition: exiting os-prober: debug: running /usr/lib/os-probes/mounted/40lsb on mounted /dev/vda1 debug: running /usr/lib/os-probes/mounted/70hurd on mounted /dev/vda1 debug: running /usr/lib/os-probes/mounted/80minix on mounted /dev/vda1 debug: running /usr/lib/os-probes/mounted/83haiku on mounted /dev/vda1 83haiku: debug: /dev/vda1 is not a BeFS partition: exiting os-prober: debug: running /usr/lib/os-probes/mounted/90bsd-distro on mounted /dev/vda1 83haikuos-prober: debug: running /usr/lib/os-probes/mounted/90linux-distro on mounted /dev/vda1 os-prober: debug: running /usr/lib/os-probes/mounted/90solaris on mounted /dev/vda1 os-prober: debug: /dev/vda2: is active swap Why would this randomly show up? This also spawns multiple "jfsCommit" processes.

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• How to Update Remote Diagnostic Agent (RDA) to Latest Version?

  - by Daniel Mortimer

  Remote Diagnostic Agent (RDA) 4.28 was released on 12th June. Full details can be found in this My Oracle Support documentRDA 4 Release Notes [ID 414970.1]From a Fusion Middleware Core Component, Install and Administration perspective this latest release does not offer any significant new features or changes. However, despite the lack of Fusion Middleware specific new features in version 4.28, Remote Diagnostic Agent still comes as highly recommended. It is incredibly useful problem solving / troubleshooting aid. Support engineers dealing with Service Requests often request RDA output as it collects just about everything you might need to get a view of the state and configuration of the host operating system, network setup and Fusion Middleware components. To find out more take a look at Running RDA Against Oracle Fusion Middleware 11g [ID 853437.1] Getting Started With Remote Diagnostic Agent: Case Study - Oracle WebLogic Server (Video) [ID 1262157.1] Note: While the latter document looks at RDA from the perspective of WebLogic Server, much of the advice given in the videos can be applied to other Fusion Middleware products.Ok, let's get back on track with the topic suggested by the title. If you are already familiar with Remote Diagnostic Agent you may ask the question - 'How do I keep my RDA at the latest version?' The answer is in "Running RDA Against Oracle Fusion Middleware 11g [ID 853437.1]". To quote: There are two methods: 1. Upgrade RDA via OCM (Oracle Configuration Manager) Refer to the advice given in: Remote Diagnostic Agent (RDA) Upgrade README [ID 1309034.1] OR 2. Manually download and upgrade to the latest version. To quote from Remote Diagnostic Agent (RDA) 4 - FAQ [ID 330363.1] +++++++++++++++++++++++++++++++++++++++++++++++++++++++ How do I upgrade my RDA 4.x installation from the prior release? The most simplest and reliable way to upgrade your RDA installation is delete or move your old installation to a new location. Then install the new release into the location you had the prior release installed. If you want to reuse you old setup.cfg file, you can place the older version into the new <rda> directory and it will try to upgrade your setup.cfg to the new features. A second approach is to install the latest RDA into another directory, then if needed copy the old setup.cfg file to the new RDA directory. When the new RDA is run for the first time, it will try to upgrade your setup.cfg to the new features. +++++++++++++++++++++++++++++++++++++++++++++++++++++++ The upgrade method via Oracle Configuration Manager is nice because it allows RDA to be auto updated whenever a new release of RDA is made available (which roughly speaking is every 3 months). However, it does require you to install and configure Oracle Configuration Manager in addition to RDA. A quick guide to Fusion Middleware 11g and OCM can be found in this support document.Configuring OCM in Oracle Fusion Middleware 11g? A Quick and Easy Guide [ID 1096871.1]

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• PayPal - Account management

  - by Tom

  I'm running an app that gets small donations (Micro payments up to ~11 USD) and also I'm doing some freelancing where I get some higher payments over PayPal too. (~900 USD a month) Is it possible to have 2 accounts on PayPal? (I'm asking because if someone send me money for my freelancing, they get the contact information from the app - Like [email protected] instead of [email protected] ) Thanks.

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• Detect Open Space in Farseer

  - by Tom G

  I'm working on a 2D platformer using XNA and Farseer. I would like the player's character to be able to grab and climb up ledges. Detecting a collision between the player and the side of a wall is simple enough with the OnCollision delegate, but I have to admit I'm a bit stumped on how to detect that there's enough clearance for the PC to mount the ledge. Essentially, I want to ensure there's an appropriately sized rectangle above and to the left or right of the PC (depending on their direction) and I'm not sure how I would check for such a space. Any suggestions on how to determine there is nothing in the simulated world within some bounding rectangle?

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• Should I Learn C/C++ Even If I Just Want To Do Web Programming?

  - by Daniel

  My goal is to be able to create online apps and dynamic, database driven websites. For instance, if in the future I get the idea for the next Digg or Facebook, I want to be able to code it myself. To arrive there I think I have basically two paths: Path 1 Start at a basic level, learning C, then C++ for OOP, then algorithms and data structures, with the goal of getting a solid grasp of computer programming. Only then move to PHP/MySQL/HTTP and start working on practical programming projects. Path 2 Start directly with PHP/MySQL/HTTP and getting my hands dirty with practical projects right away. What would you guys recommend?

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• What's wrong with circular references?

  - by dash-tom-bang

  I was involved in a programming discussion today where I made some statements that basically assumed axiomatically that circular references (between modules, classes, whatever) are generally bad. Once I got through with my pitch, my coworker asked, "what's wrong with circular references?" I've got strong feelings on this, but it's hard for me to verbalize concisely and concretely. Any explanation that I may come up with tends to rely on other items that I too consider axioms ("can't use in isolation, so can't test", "unknown/undefined behavior as state mutates in the participating objects", etc.), but I'd love to hear a concise reason for why circular references are bad that don't take the kinds of leaps of faith that my own brain does, having spent many hours over the years untangling them to understand, fix, and extend various bits of code. Edit: I am not asking about homogenous circular references, like those in a doubly-linked list or pointer-to-parent. This question is really asking about "larger scope" circular references, like libA calling libB which calls back to libA. Substitute 'module' for 'lib' if you like. Thanks for all of the answers so far!

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• Preparing yourself for Code challenges

  - by Daniel Fath

  Just a few days ago I discovered Codility, and I tried their challenges. And I must say. I got my behind handed to me on a platter. I'm not sure what the problem was, but I'll lick my wounds and wait for the solution to come out and compare it with my own. In the meantime, I want to get ready for the next challenge so I'm reading their previous blog posts and seeing how to solve their previous problems. There are a lot of new things I haven't heard about like (Cartesian trees, various sort algorithms, etc.) So, how does one prepare for such challenges (especially the O(x) time and space complexity). What should I read to prepare for such a task?

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• A simple example of movement prediction

  - by Daniel

  I've seen lots of examples of theory about the reason for client-side prediction, but I'm having a hard time converting it into code. I was wondering if someone knows of some specific examples that share some of the code, or can share their knowledge to shed some light into my situation. I'm trying to run some tests to get a the movement going (smoothly) between multiple clients. I'm using mouse input to initiate movement. I'm using AS3 and C# on a local Player.IO server. Right now I'm trying to get the Client side working, as I'm only forwarding position info with the client. I have 2 timers, one is an onEnterFrame and the other is a 100ms Timer, and one on mouseClick listener. When I click anywhere with a mouse, I update my player class to give it a destination point On every enterFrame Event for the player, it moves towards the destination point At every 100ms it sends a message to the server with the position of where it should be in a 100ms. The distance traveled is calculated by taking the distance (in Pixels) that the player can travel in one second, and dividing it by the framerate for the onEnterFrame handler, and by the update frequency (1/0.100s) for the server update. For the other Players, the location is interpolated and animated on every frame based on the new location. Is this the right way of doing it?

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• How do Unity 12.04/Compiz bindings really work?

  - by Daniel

  There is a bewildering array of places to set bindings, all inconsistent with one another. E.g. in Unity's System Settings having the Ctrl-key highlight the mouse position is an on/off choice. I like the feature, but not on such a prominent key where I keep activating it accidentally. The keyboard shortcuts allow only one binding per command, where I might like a convenient one on the external keyboard and an emergency alternative for when I'm on the road. Keyboard custom shortcuts has a nice interface, but allows only key bindings — besides it doesn't seem to work for me. So I activated CCSM Commands. There I have the choice of key-, mouse- and/or edge bindings. Whereas some places in CCSM offers only one or two of these binding possibilities, randomly at the whim of the programmer. I have not found a way to differentiate a mouse-drag from a click. E.g. I want <SuperMouse1-drag anywhere on a window to move it, while if I don't drag, it should be raise-lower. On the title bar I want the same without needing the <Super key. Now I find raise-lower only in System Settings where I can't assign a mouse binding. If therefore in CCSM I fallback to only lower and put move on the same binding, the window already gets lowered on mouse down, and I can then invisibly move it. Very useful! I have <Altasciicircum get in the way of an Emacs binding, with some to me useless popup overlay. I can find it nowhere, so I can't turn it off. So how can I go without these frontends until they have matured, and instruct Compiz directly, for example in the way Emacs or Sawfish have keymaps, and separate ones for each context, with inheritance?

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• upgrade from 11.10 to 12.04 killed my network connectivity

  - by Daniel

  I have a wired network connection that worked fine in version 11.10. I upgraded to 12.04 and immediately after the upgrade was completed, the OS reported my "cable unplugged". It is not unplugged and it is not defective. I have a D-link DFE-530TXS 10/100 ethernet NIC and I see what seems to be the generic 10050 driver loaded. Is there any way to just flush anything and everything to do with the network configuration and have Ubuntu reset/find everything again? If not...is there any way I can get it to realize that my network cable is not unplugged? (considering it worked mere minutes before). Thanks.

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• Array manipulation in gsettings' set command

  - by Daniel

  Is there an easy way to do array manipulation in gsettings? I am comparing gsettings to OS X's defaults command that offers the defaults domain --array key overwrite-value and defaults domain --array-add key added-value interface for manipulating arrays. As far as I can tell there is only gsettings set domain key "['overwrite-value']" available to gsettings. Not really pretty for when you want to add or remove one entry from an array. I have seen a suggestion that allow me to add to an array, but I would rather use a interface if there is one.

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• mod_rewrite problems - redirect subdomain to different domain

  - by Tom

  I must have a brain freeze as I can not get my rewrite rules working. RewriteEngine On RewriteCond %{HTTP_HOST} ^otherdomain\.example\.com [NC] RewriteRule ^(.*) http://www.otherdomain.com/ [R=permanent,L] RewriteCond %{HTTP_HOST} ^(www\.)?example\.com [NC] RewriteCond %{REQUEST_URI} ^/otherdomain [NC] RewriteRule ^(.*) http://www.otherdomain.com/ [R=permanent,L] What I want is essential to redirect otherdomain.example.com and example.com/otherdomain to otherdomain.com

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• How do I fix broken installation?

  - by Daniel

  Let me start off by saying I'm dual booting 11.04 and Windows 7 on a Thinkpad T61p. The problem may have arisen when I hit the power button during normal startup. I'm fully aware how stupid this is. I don't know why I did it. I did it. Now, I can't get in to Ubuntu. Windows works fine. But when I try to start Ubuntu normally, it seems to run some checks, and does not start up. Sometimes, I see a black screen, and it tells me that it's running certain checks, and then, [ok]. Like... Battery Check Somethingorother [ok] It'll give me 1-5 of these. And then it just does nothing, and I have to turn it off. When I try to start in safe mode... I tried low graphics mode, and after going through a couple of dialogue boxes, I'm brought right back to the safe mode dialogue box. And if I hit 'resume,' a shell pushes up (still that grey on black "your computer is broken" type shell) and asks me to log in. I do, and try to run unity. It tells me something along the lines of: WARNING no DISPLAY variable set and then sets it to " :0" , which doesn't work. And then I can't do anything, really, and I have to restart. (I don't know how to do this from the command line, so I just hard reset. That command would be helpful). Does anybody have any idea how I can get Ubuntu working right again? FTP is less pleasant in Explorer than it is in Nautilus or w/e it is now.

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• Tester/Doer pattern: Assume the caller conforms to the pattern or be defensive and repeat the check?

  - by Daniel Hilgarth

  Assume a simple class that implements the Tester/Doer pattern: public class FooCommandHandler : ICommandHandler { public bool CanHandle(object command) { return command is FooCommand; } public void Handle(object command) { var fooCommand = (FooCommand)command; // Do something with fooCommand } } Now, if someone doesn't conform to the pattern and calls Handle without verifying the command via CanHandle, the code in Handle throws an exception. However, depending on the actual implementation of Handle this can be a whole range of different exceptions. The following implementation would check CanHandle again in Handle and throw a descriptive exception: public void Handle(object command) { if(!CanHandle(command)) throw new TesterDoerPatternUsageViolationException("Please call CanHandle first"); // actual implementation of handling the command. } This has the advantage that the exception is very descriptive. It has the disadvantage that CanHandle is called twice for "good" clients. Is there a consensus on which variation should be used?

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• Dualboot (Win 8 / Ubuntu 13) is stuck at 'switching to clocksource'

  - by Daniel Puscht

  for days I have been crawling the web for solutions to my problem, but couln't find any. Here it is: I got a new Laptop (ASUS Vivobook S200E) with Win 8 OEM preinstalled. I wanted to create a dual-boot system with Ubuntu 13 next to it. I read about UEFI and that I have to turn of Secure Boot and use the existing EFI partition as bootloader for Ubuntu. So I did. I also ran boot-repair reinstalling the GRUB. The result is when I start the computer I get into the boot menu. So far, so good. When I pick Win everthing is fine. But when I choose Ubuntu (recovery) the system starts, but gets stuck at the line '[1.806366] Switching to clocksource tsc'. I already tried other versions of Ubuntu (12.04.2, 12.10). I played with boot-repair (using the recommended fix, setting everything manually). But nothing works. It's always the same issue. I read that it could be a problem concerning graphic drivers, but this I can hardly believe. If this is any help, boot-repair gave me this link to post in fora. http://paste.ubuntu.com/5810391/ Thanks for any help in advance

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