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• A testing feedback/report tool?

  - by Mert

  I'm thinking of developing a pluggable test and assessment module. This tool will be used especially for desktop application projects to report and log errors, bugs, missing features and suggestions from testers. The tool will be plugged to the application by putting a small icon to the application itself. When pressed the tool will be visible where user can create entries about the application. Is there already a tool like that? I am not speaking about UI testing btw. For example, this tool might have a form consisting of Page name Environment information Entry type (can be bug, feature request, suggestion) Message User Info (name, contact etc) Date I think such a tool can greatly help testers prepare reports. Developers can understand the issue better and track all the reports.

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• Bash does not remember programs with non 0 exit status in history

  - by Amigable Clark Kant

  I enter a command. It fails. I press arrow up, modify something and enter it again ... hold it right there. It used to work like that. Now it's more like: I enter a command. It fails. I press arrow up, get the last command which didn't fail, likely "ls" or something useless and I type the whole thing again back by hand. What happened? It wasn't always like this. But it's quite some time since this behavior changed, I'll give you that. Some years ago, at least. How do I put some sanity back into my bash prompt?

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• Software bug/defect classification

  - by Dustin K

  We're trying to come up with terms that better describe our bugs/defects. To us, the term 'bug' or 'defect' is too generic and doesn't accurately reflect what is happening. For example, instead of saying that there is a bug (in the general sense), we'd rather say what type of bug (an error, or enhancement, or improvement, etc.). What names do you use for describing 'bugs'? I found http://www.softwaredevelopment.ca/bugs.shtml which has some pretty good classifications. How do you classify them?

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• Geometry Shader input vertices order

  - by NPS

  MSDN specifies (link) that when using triangleadj type of input to the GS, it should provide me with 6 vertices in specific order: 1st vertex of the triangle processed, vertex of an adjacent triangle, 2nd vertex of the triangle processed, another vertex of an adjacent triangle and so on... So if I wanted to create a pass-through shader (i.e. output the same triangle I got on input and nothing else) I should return vertices 0, 2 and 4. Is that correct? Well, apparently it isn't because I did just that and when I ran my app the vertices were flickering (like changing positions/disappearing/showing again or sth like that). But when I instead output vertices 0, 1 and 2 the app rendered the mesh correctly. I could provide some code but it seems like the problem is in the input vertices order, not the code itself. So what order do input vertices to the GS come in?

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• Is there a language between C and C++?

  - by Robert Martin

  I really like the simple and transparent nature of C: when I write C code I feel unencumbered by "leaky abstractions" and can almost always make a shrewd guess as to the assembly I'm producing. I also like the simple, familiar syntax for C. However, C doesn't have these simple, helpful doodads that C++ offers like classes, simplified non-cstring handling, etc. I know that it's all possible to implement in C using jump tables and the like, but that's a bit wordy at times, and not very type-safe for various reasons. I'm not a fan of the over-emphasis on objects in C++, though, and I'm gun shy of the 'new' operator and the like. C++ seems to have just a few too many hiccups to, for instance, be used as a system programming language. Does there exist a language that sits between C and C++ on the scale of widgets and doodads? Disclaimer: I mean this as purely a factual question. I do not intend to anger you because I don't share your view that C{,++} is good enough to do whatever I'm planning.

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• I can't do "sudo"

  - by Klevin92

  Let's describe it from the beginning: I was planning to re-enable the password requirement in LightDM for security reasons. But, since my PC's been sluggish these times, it FC'd the password setup when I was entering and now I can't enter it even with combinatorics. I have followed the tips in the Help page, but with all of them I have issues: I try to enter recovery mode (so that I type passwd and my name and change it), but it is a black screen just like my boot screen (because of nVidia graphic card compatibility issue), then I can't do anything I also tried the editting "shadow" file, but the guide talks about some commas that I just don't see where they are supposed to be. I even tried deletting the keyring file like it's said, but nothing happens (except that I lose the other passwords) So is there anything I can do to have my password back? (a bonus would be stopping all this sluggish, apps not responding, etc)

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• Project Coin: JSR 334 has a Proposed Final Draft

  - by darcy

  Reaching nearly the last phase of the JCP process, JSR 334 now has a proposed final draft. There have been only a few refinements to the specification since public review: Incorporated language changes into JLS proper. Forbid combining diamond and explicit type arguments to a generic constructor. Removed unusual protocol around Throwable.addSuppressed(null) and added a new constructor to Throwable to allow suppression to be disabled. Added disclaimers that OutOfMemoryError, NullPointerException, and ArithmeticException objects created by the JVM may have suppression disabled. Added thread safely requirements to Throwable.addSuppressed and Throwable.getSuppressed. Next up is the final approval ballot; almost there!

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• How should calculations be handled in a document database

  - by Morten

  Ok, so I have a program that basically logs errors into a nosql database. Right now there is just a single model for an error and its stored as a document in the nosql database. Basically I want to summarize across different errors and produce a summary of the "types" of errors that occured. Traditionally in a SQL database the this normalization would work with groupings, sums and averages but in a NoSQL database I assume I need to use mapreduce. My current model seems unfit for the task, how should I change the way I store "models" in order to make statistical analysis easy? Would a NoSQL database even be the right tool for this type of problem? I'm storing things in Google AppEngine's BigTable, so there are some limitations to think of as well.

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• How to correct Google Earth's "invalid HTTP request" notice?

  - by Hejar Mukriyani

  I am running Ubuntu 12.04. As you might know Google Earth 7 doesn't work in Ubuntu 12.04 yet. I installed Google Earth via make-googleearth-package --force command. My installation was saccesful. At the beginning everything was working fine. But after some days I had a problem. When I type in "Fly to" box a city I wanted to search for it. It gives me "invalid HTTP request" error as seen in the picture: How to solve? P.S: I removed and reinstalled it but problem still consists. I can search globe via mouse only.

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• How do I mount this HDD?

  - by Casval Deikun

  I have a Windows HDD attached to an external docking bay on my Ubuntu System, but the HDD brings up an error message: Mounting exited with exit code 14:windows is hibernated, refused to mount. Failed to mount '/dev/sde2':Operation not permitted. The NTFS partition is hibernated. Please resume and shutdown windows properly or mount the volume read-only with the 'ro' mount option, or mount the volume read-write with the 'remove_hiberfile' mount option. For example type in command line: mount -t ntfs-3g-o remove_hiberfile/dev/sde2/media/FE46D60C46D5C615 I am at a loss for exactly how to remove the hiberfile, or even mount it as read-only or read-write. I tried directly copy and pasting that exact command into my terminal, but it said: mount:only root can do that I do not know what to do at this point. I do need to get the information off of this drive, but I do not have a computer to put it in. Does anyone know what I should do from here?

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• Is there a snippets program that allows for tab entry of variables across the mac?

  - by Jeremy Smith

  I love Sublime Text editor and the ability to create code snippets like so: <snippet> <content><![CDATA[\$("${1:selector}").${2:method}]]></content> <tabTrigger>jq</tabTrigger> </snippet> This allows me to type jq[tab] and then have it expand to $("selector").method where I am able to tab through the string 'selector' and 'method' in order to change them. But what I'd really like to do is use this same snippet when working in Chrome Dev Tools, so I was looking for a mac snippets program that could support this. However, the three programs that I looked at (Keyboard Maestro, Snippets, CodeBox) don't support the ability to tab through to highlight predetermined strings and change them. Does anyone know of an app that will do this?

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• How can I open an .xps file in Evince?

  - by Jakob

  On projects.gnome.org I read that evince/Document Viewer supports xps-files. But when I try to open an xps-file I get the error message Unable to open documentFile type Zip archive (application/zip) is not supported Reading "the full list of supported document formats" on live.gnome.org I can't find xps there. Now I ask myself (and you): Isn't Document Viewer able to open xps-files, or is there something wrong with that xps-file I try to open? I specifically want to do this with Ubuntu 11.10 Oneiric. The PPA ppa:medigeek/evince-xps has no solution for 11.10, and the xpstopdf utility mixes up the letters from my xps file totally - the new pdf then isn't usable. I want to see a solution for Evince or Gnome in general, not get a recommendation for a KDE application like here.

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• Is it appropriate for a class to only be a collection of information with no logic?

  - by qegal

  Say I have a class Person that has instance variables age, weight, and height, and another class Fruit that has instance variables sugarContent and texture. The Person class has no methods save setters and getters, while the Fruit class has both setters and getters and logic methods like calculateSweetness. Is the Fruit class the type of class that is better practice than the Person class. What I mean by this is that the Person class seems like it doesn't have much purpose; it exists solely to organize data, while the Fruit class organizes data and actually contains methods for logic.

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• Will rewriting your .htaccess to 404 to return search results from your site negatively effect your ranking in Google?

  - by leeand00

  Depending on the type of site that you are running, it may or may not be advantageous to display search results instead of a 404 page, when someone visits a non-existent page on your site. I believe that the site I've been maintaining recently would benefit from this as it is the site of a publication. With a publication the more people you can get to read your site the better. But after reading up on how Google ranks the "quality" of your site, where you will appear in SERPs, based on how much the meta text of a page relates to the content of the page, I have to wonder if making a 404 page link to the search results would harm the "quality" of your site in Google eyes.

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• Is it a good idea to create shared UI library that would render natively on different platforms?

  - by Maciej Donajski

  I am designing an application that has following flow: User designs a form using web application (J2EE backend application) The form is sent to mobile device (Android) Mobile device User fills out the form designed in 1. Results are synced with backend. One of my ideas is to create a common java UI library for creating the type of forms that I need. This library would also have a native renderers for different platforms (Web and Android would be implemented first). The whole point of it is to have a native experience on web and android side. Are there any existing solutions to meet the requirements that I have? Is it a good approach to achieve them?

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• Switch encoding of terminal with a command

  - by Tomas Lycken

  One of the servers I quite often ssh to uses western encoding instead of utf-8 (and there's no way I can change that). I've started writing a bash script to connect to this server, so I won't have to type out the entire address every time, but I would like to improve this script so it also changes the encoding of the terminal window correctly. The change I need to do can be performed using the mouse by navigating to "Terminal"-"Set Character Encoding..."-"Western (ISO-8859-1)". Is there a terminal command that does the same thing, for the current terminal window/screen? To clarify: I'm not interested in ways of switching the locale of the system on the remote site - that system is administered by someone else, and I have no idea what stuff might depend on the latin-1 encoding there. What I want to do is to let this terminal window on my side switch character encoding to the above mentioned, in the same way I can do with my mouse and the menus.

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• JUJU and ERROR environment has no access-key or secret-key

  - by Riccardo Magrini

  following the official guide: [1]https://juju.ubuntu.com/docs/config-maas.html and considered that I've generated the ssh key (added it to UI of MAAS) and the API key, my environments.yaml file presents in this way: environments: maas: type: maas maas-server: 'http://x.x.x.x/MAAS/' maas-oauth: 'NDPA86PsEzS7bFynSy:vqJLkyHUJbvYzbtY5Q:sXXXXXXXXXXXXXXXXXXXXXX admin-secret: 'nothing' default-series: precise authorized-keys-path: ~/.ssh/id_rsa.pub # or any file you want. when I try to run the command: juju bootstrap receive the following error: ERROR environment has no access-key or secret-key Someone can explain me where is the wrong? MAAS and JUJU are installed using their ppa stable on an Ubuntu 12.04.3 Server

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• Google Analytics - Unable to get GA Tracking

  - by Pure.Krome

  We've been using GA for a few years with no probs. About 2-3 weeks ago we tried to clean up some of our tracking and on one of our profiles, it's not working anymore (since oct 10.) First, some context then some GA Debugging code. 1. Context. We have the following setup: different root domains AND different sub-domains on one of the root domains. www.website.com www.website.com.au www.anotherWebsite.com foo.website.com baa.website.com So what we're doing is the following: each root domain and each sub-domain get their own tracking code. This way we can allow separate people (from outside our company) to access only their own data. Eg. a manager for foo.website.com can only see data related to that domain .. and see data on the other domains. Have a last account which is the SUM of all the domains. this is for us. so we can see total numbers. So to do this, we have two trackers that fire off, on the page. the individual accounts all work fine - they seem to be tracking data ok. the 'global' account is not working and this gives us the = Tracking Not Installed error. This has been going on since oct 10. So the wait 24/48/72 hours thing is waaaaay over. 2. GA Debug code. Installing GA Debug chrome extension gives the following output. I've tried to hide anything that could be considered secret. UA-XXXXX34-1 == Global account (which isn't working any more). UA-XXXXX34-11 == Specific account for www.website.com _gaq.push processing "_setAccount" for args: "[UA-XXXXX34-1]": ga_debug.js:18 _gaq.push processing "_setDomainName" for args: "[website.com]": ga_debug.js:18 _gaq.push processing "_setAllowLinker" for args: "[true]": ga_debug.js:18 _gaq.push processing "_trackPageview" for args: "[]": ga_debug.js:18 Track Pageview ga_debug.js:18 Tracking beacon sent! utmwv=--snipped-- Account ID : UA-XXXX234-1 Page Title : Some page title Host Name : www.website.com Page : / Referring URL : - Hit ID : 1923583969 Visitor ID : 785310647 Session Count : 51 Session Time - First : Thu Aug 23 2012 15:20:17 GMT 1000 (AUS Eastern Standard Time) Session Time - Last : Mon Oct 29 2012 11:41:46 GMT 1100 (AUS Eastern Summer Time) Session Time - Current : Mon Oct 29 2012 12:19:23 GMT 1100 (AUS Eastern Summer Time) Campaign Time : Thu Aug 23 2012 15:20:17 GMT 1000 (AUS Eastern Standard Time) Campaign Session : 1 Campaign Count : 1 Campaign Source : (direct) Campaign Medium : (none); Campaign Name : (direct) Language : en-gb Encoding : UTF-8 Flash Version : 11.4 r31 Java Enabled : true Screen Resolution : 1050x1680 Browser Size : 1033x861 Color Depth : 32-bit Ga.js Version : 5.3.7d Cachebuster : 1846514973 ga_debug.js:18 _gaq.push processing "_setAccount" for args: "[UA-XXXX234-11]": ga_debug.js:18 _gaq.push processing "_setDomainName" for args: "[website.com]": ga_debug.js:18 _gaq.push processing "_setAllowLinker" for args: "[true]": ga_debug.js:18 _gaq.push processing "_trackPageview" for args: "[]": ga_debug.js:18 Track Pageview ga_debug.js:18 Tracking beacon sent! utmwv=--snipped-- Account ID : UA-XXXX234-11 Page Title : SomePageTitle Host Name : www.website.com Page : / Referring URL : - Hit ID : 1923583969 Visitor ID : 785310647 Session Count : 51 Session Time - First : Thu Aug 23 2012 15:20:17 GMT 1000 (AUS Eastern Standard Time) Session Time - Last : Mon Oct 29 2012 11:41:46 GMT 1100 (AUS Eastern Summer Time) Session Time - Current : Mon Oct 29 2012 12:19:23 GMT 1100 (AUS Eastern Summer Time) Campaign Time : Thu Aug 23 2012 15:20:17 GMT 1000 (AUS Eastern Standard Time) Campaign Session : 1 Campaign Count : 1 Campaign Source : (direct) Campaign Medium : (none); Campaign Name : (direct) Language : en-gb Encoding : UTF-8 Flash Version : 11.4 r31 Java Enabled : true Screen Resolution : 1050x1680 Browser Size : 1033x861 Color Depth : 32-bit Ga.js Version : 5.3.7d Cachebuster : 1580443754 and this is the js code he have. BTW, it is inside a <head></head> <script type="text/javascript"> var _gaq = _gaq || []; _gaq.push( ['_setAccount', 'UA-XXXX234-1'], ['_setDomainName', 'website.com'], ['_setAllowLinker', true], ['_trackPageview'] ,['b._setAccount','UA-XXXX234-11'], ['b._setDomainName','website.com'], ['b._setAllowLinker',true], ['b._trackPageview'] ); (function () { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); })(); </script> Finally, I've triple checked that the UA is the correct text. and yes, the global account is -1 and the specific domain is -11. Anyone have any suggestions to help?

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• Schedule sending mail of a log file content

  - by user3215

  I have postfix mail agent installed and I've configured gmail relay and I could send mails from the terminal as below: root@statino1:~# mail -s "subject_here" [email protected] CC: <hit enter for empty cc> Type the mesage here press Ctrl+d I have to send a log file contents as a mail and schedule it to run everyday. How do I send log file contents as mail message, how do I automate the inputs of mail command? so that I can schedule it. Anybody has any idea?

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• Live CD doesn't boot, drops to Busy Box shell

  - by D3c3nt Boy

  I am a Windows user and I'm keen to shift to Linux, so I made live CD of Ubuntu 10.10 (Maverick). This is my very first time to use Ubuntu. I put CD in the drive and set the BIOS to boot it, and the Ubuntu CD worked and logo of Ubuntu appears on screen. But suddenly before the start up screen it shows this: Busy Box v 1.5 (Ubuntu 1: 1.15.31 ubuntu5) built in shell (ash) enter help for a list of built in commands When I type help and press enter, the list of commands appear like below: alias break cd chdir command continue echo eval exec export ... This is my first time so i have no idea what to do. I restarted my pc several times but it happens every time. Please help me. What should I do?

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• What are graphs in laymen's terms

  - by Justin984

  What are graphs, in computer science, and what are they used for? In laymen's terms preferably. I have read the definition on Wikipedia: In computer science, a graph is an abstract data type that is meant to implement the graph and hypergraph concepts from mathematics. A graph data structure consists of a finite (and possibly mutable) set of ordered pairs, called edges or arcs, of certain entities called nodes or vertices. As in mathematics, an edge (x,y) is said to point or go from x to y. The nodes may be part of the graph structure, or may be external entities represented by integer indices or references. but I'm looking for a less formal, easier to understand definition.

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• How do I teach bash in Ubuntu some curse words?

  - by NitinAb

  When bash encounters an unknown command(word?) it does this : The program 'hello' can be found in the following packages: * hello * hello-debhelper Try: sudo apt-get install <selected package> what I would like to know is how this is done so I can edit it or add something before it to cross check the unknown word from a home grown dictionary which would have phrase:reply pairs that can then be sent to output. I am guilty of not looking enough for it around .. but the few bash guides I tried digging up didn't have anything on this. Maybe I am looking at the wrong places .. any pointers? And yes I am doing this so every time I type wtf when a program fails , I want something nice thrown back at me...

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• With respect to gnome-session, what is a "component"?

  - by Alistair Buxton

  Under /usr/share/gnome-session/sessions are files which describe the different types of sessions available from gnome-session. In these files is a list of required components, eg for shell: RequiredComponents=gnome-shell;gnome-settings-daemon; or for fallback: RequiredComponents=gnome-panel;gnome-settings-daemon; This appears to be a list of executables, but it is not. If I change gnome-panel to some other type of panel, the session does not start, and I see the following errors in ~/.xsession-errors: gnome-session[2003]: WARNING: Unable to find required component 'xfce4-panel' So my question: What is a component, how are they defined, and where does gnome-session look for them?

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• Problem with Bash script: 'declare: not found'

  - by Ashfame

  I had a script which was running fine but when I ran it today, it says declare: not found. I am using bash shell and path at the starting of the script is correct. Two flagged lines in my script are as follows: declare -a RESPONSE RESPONSE=($RESULT) It also says ( is unexpected but I guess that is coming up because of the first error. Worth mentioning point is when I type in declare directly works fine. declare | grep USER shows USER=ashfame USERNAME=ashfame values="$SVN_BASH_USERNAME"; So, whats wrong here?

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• Intel NUC Video Blur

  - by donopj2

  I recently purchased the D34010WYKH NUC and I figured this would be a great time to make the jump to a Linux based system. I'm running Ubuntu 14.04, and I'm having an issue with video rendering that is driving me mad. Essentially videos (all 1080p mkv files) appear to be slowly blurring, and its most noticeable when the camera remains on a scene for a long period of time. Then all of a sudden the video will correct the blur and the image will be sharp, only to begin happening again followed by more sudden and noticeable corrections. I have seen the exact same issue in both VLC and XBMC and across several different videos. I have installed the latest Intel graphics drivers, and searched the web but to be honest I'm not sure how to accurately describe this problem. I'm also quite new to the OS, so my experience tinkering is limited. Has anyone experienced this type of issue before? Can it be resolved?

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