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• Has anyone used Sproutcore?

  - by Sam Lee

  Has anyone used Sproutcore for a web application? If so, can you give me a description of your experience? I am currently considering it, but I have a few concerns. First, the documentation is bad/incomplete, and I'm afraid that I'll spend lots of time figuring things out or digging through source code. Also, I'm a bit hesitant to use a project that is relatively new and could undergo significant changes. Any thoughts from people who have developed in Sproutcore are appreciated! EDIT/PS: Yes, I've seen this post: http://stackoverflow.com/questions/370598/sproutcore-and-cappuccino . However I'm interested in a bit lengthier description of Sproutcore itself from someone who's used it for a significant project.

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• What job is better for a newbie, one that requires you to create a new program frequently, or something like software maintenance?

  - by MobileDev123

  One of my friends has just completed his college degree and is ready to join the programmers' world. Today he has two offers, one with new projects every time, and another with software maintenance. The remaining factors are not important to him, what he wants to know is which option is better? My experience goes with second option because my first job was the maintenance one and I could learn how my fellow programmers made mistakes while coding . But I soon switched to a new job which required me to create new project every time. I enjoyed both but I must admit that my first job has given me a more advantage today. But it's not necessary that my experience can give benefit to him. But I want to know what is general approach? If I have to give him final verdict on these two, what should I tell him? Edit Everybody deserves one up vote here, I am really learning a lot from you guys.

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• Crontab opens as blank page, cannot save

  - by Sarah

  I am really not familiar with linux, and only started using it recently, so be patient with me. I am trying to control a camera on regular intervals through a script that is called upon in the crontab. When I start up the computer, I can open crontab, edit and save, and everything is executed correctly. However, I can never open crontab a second time, unless I restart the computer first. If I type crontab -e, I get a blank page, located in the /tmp directory. I can enter my commands in there, but cannot save it. I don't know if this is relevant, but when I try sudo crontab -e, I get something like "no cron installed for root". Any help is really appreciated! Sarah

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• World of Warcraft like C++/C# server (highload)

  - by Edward83

  I know it is very big topic and maybe my question is very beaten, but I'm interesting of basics how to write highload server for UDP/TCP client-server communications in MMO-like game on C++/C#? I mean what logic of retrieving hundreds and thousands packages at the same time and sending updates to clients? Please advice me with architecture solutions, your experience, ready-to-use libraries. Maybe you know some interesting details how WoW servers work. Thank you! Edit: my question is about developing, not hardware/software tools;

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• Skype does not save user configuration

  - by varsketiz

  On Ubuntu 10.10, I have recently started to experience this problem: For some reason Skype won't save any settings except "Sign in on startup". When Skype starts and tries to sign in it is unsuccessful (it shows incorrect password, in red) every time (I have provided the correct password). I always have to click to show contacts in groups, it does not remember it. Every time I have to go to options and update some notification settings. I know all these things should be "remembered" by Skype - this problem started only recently. I don't recall fiddling with any permissions that could have likely caused that. Do you know what the problem might be? I uninstalled (marking for complete configuration removal) and re-installed Skype, but it still remembers my username (why??). Can I find Skype configuration files on the filesystem somewhere and change permissions for them - or even better - edit the files to set what I want?

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• Static HTML to Wordpress Migration SEO Implications?

  - by Kayle

  Recently, I migrated a client's site to a new server and a new home within wordpress so they could more easily edit their website and start a blog section. The static site was 10 years old a was showing up at place #3 for it's primary keyword, consistently, according to my client, and has dropped to rank #6-8 following the migration. At launch, we made sure the urls were identical (save the removal of ".htm" which we used 301 redirects to compensate for) and we generated a new XML map and pinged google with the new site. We keep a 404 log to make sure we're not losing any incoming links. We also have Google Webmaster Tools on this site and have zero errors/suggestions, everything seems ok. I was told by numerous sources that Google would not penalize us for the use of 301s, but it's the only thing I can think of right now that is different about the site, other than the platform. Any ideas about what we could be getting docked for?

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• Shouldn't we count characters of code and comments instead of lines of code and comments? [closed]

  - by Gabriel

  Counting lines of code and comments is sometimes bogus, since most of what we write may be written in one or more lines, depending column count limitations, screen size, style and so forth. Since the commonly used languages (say C, C++, C# and Java) are free-form, wouldn't it be more clever to count characters instead? Edit: I'm not considering LOC-oriented programming where coders try to artificially match requirements by adding irrelevant comments or using multiple lines where less would be enough (or the opposite). I'm interested in better metrics that would be independent of coding style, to be used by honest programmers.

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• I've had Tomboy twice delete a single important note. What's going on there?

  - by Mittenchops

  Not sure what's going on here, but here's the best I can describe: I use Tomboy extensively, for notes, collecting throw-away passwords,etc. Once a couple of months ago, a very important note just disappeared. No reference to the title, no deleting, no way of tracking it down---it was just like it had never existed. The same thing just happened today. I think the note in question was actually open when I rebooted, so maybe that's related. Has anyone else encountered something similar? EDIT: Happened 3 times Seems to be the last note I have open when shutting down (which is usually the most important) is deleted without a trace.

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• Google Keyword Competition rating

  - by Eric

  Google offers a Keyword application that allows me to see the number of time a particular query has been made in Google. There is a column in the results named "Competition" (Actually its Concurrence in French, I'm just translating). Its a rating from 0 to 1, as in percentage. What indicator is that? EDIT * Is this something useful I should rely on? I'm not sure about how to interpret this data. Should I go for less competitive keywords with a lower number of searches or not worry about it and go for the highly searched keywords anyway? Is 50% considered high? what about 75% ? I have a very niche market that sell expensive offline services, so the very long tail is my goal (I assume). If you didn't already figured out, I'm very new to SEO =)

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• How much to charge for Wordpress installation?

  - by Jack Duluoz

  I know this isn't properly a technical question but I hope this is ok here. The question is simple: how much should I charge a customer for a Wordpress installation & configuration? Configuration simply means I have to install him a theme (which is not provided by me), various plugins and maybe edit some lines of code here and there to make the whole thing work fine. MORE INFO I don't do this for a living, I'm just doing this for this single customer. He told me he wants to customize some features of the blog which I think will require a bit of code editing, but these will be small modifications, because I already told him that more substantial modifications will be billed separately. I don't know exactly how long will this take, but probably just 1 day for the setup and some more days to adapt the blog to the customer requests which will eventually come up later

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• How to present an Android Augmented Reality application?

  - by Egor

  I'm currently working on my diploma project - an application for Android that uses the Augmented Reality technology. I'll have to make a presentation of my app and I can't really think of a way to show this kind of application to the crowd. Anyone has ideas? Will really appreciate an elegant solution! EDIT The application shows users the information about the places around, some kind of Layar + Google Places. So the issue is that to use the application you must turn around with your device in hands to see the icons on the screen. Presentation would have been easier if I could just lay the device on the table and use the app.

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• Resolution Independent 2D Rendering in XNA

  - by AttackingHobo

  I am trying to figure out the best way to render a 2d game at any resolution. I am currently rendering the game at 1920x1200. I am trying scale the game to any user selected resolution without changing the way I am rendering, or game logic. What is the best way to scale a game to any arbitrary resolution? Edit: I am trying to achieve this: http://www.david-amador.com/2010/03/xna-2d-independent-resolution-rendering/ but I think the code he has is for a different version of XNA because I cannot find that method overload he uses.

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• How can I reach over 100% volume with a keyboard shortcut?

  - by suli8

  sometimes the sound of videos isn't enough for me. so i reach the sound indicator , over sound preferences and change it to a level higher than 100%. the question is how can i do it from the keyboard? now i can control the volume from the keyboard but it's maximum is 100%. is there a way to do that? EDIT 1: how to use amixer to do it? (as Lyrositor suggested) EDIT2: the closest answer , as Jo-erland, suggested is to set a hotkey to bring up the gnome-volume-control, and then to use left and right arrows to change volume also beyond the 100% mark. any other suggestions, to make this 1 step only? is it possible to set a hotkey to do a sequence of commands ?

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• How do you organize your projects?

  - by Sergio

  Do you have any particular style of organizing projects? For example, currently I'm creating a project for a couple of schools here in Bolivia, this is how I organized it: TutoMentor (Solution) TutoMentor.UI (Winforms project) TutoMentor.Data (Class library project) How exactly do you organize your project? Do you have an example of something you organized and are proud of? Can you share a screenshot of the Solution pane? In the UI area of my application, I'm having trouble deciding on a good schema to organize different forms and where they belong. Edit: What about organizing different forms in the .UI project? Where/how should I group different form? Putting them all in root level of the project is a bad idea.

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• Why can't I copy files to var/www/html?

  - by Alaa M.

  I copy some files, go to /var/www/html, right click, Paste isn't available. Why is that? I tried the command sudo nautilus, it opened the files navigation window, I navigated to /html, still the same problem. I also tried gksudo nautilus but it said: The program 'gksudo' is currently not installed. You can install it by typing: sudo apt-get install gksu I installed it, tried again, same problem. What should I do? edit: Figures that I was accessing the files inside a .zip directory and I shoulda extracted them first. Solved

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• E-commerce + CMS: 2 sites or one?

  - by Guandalino

  Ok, let's say that a customer already has a CMS managed web site but now wants to sell goods online using an E-commerce platform (Magento in this case). My question is, does it make any difference between choosing to have just one site running both CMS and E-commerce (www.mycompany.com, or to have one site for the CMS (www.mycompany.com) and another (www.mycompany-shop.com) for E-commerce? I'd like to know the pros and cons of these approaches, so that I can advice the customer for the best. --EDIT I forgot to say that I'd prefer to have 2 separated web sites. This way I shouldn't have to learn how to integrate them together (one in Python, the other in PHP).

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• What is the best way to implement paginated text editing in Python?

  - by W.F

  I'm trying to build a formatted text editor in python. I need the editor to be paginated on edit mode. Same as in all popular word processors - when the user is editing the document what he/she sees is a representation of the actual, physical, page. I've tried looking into PySide but I can't find any ready solution to this, nor I can work out a way to do it myself. I am totally open to new technologies, so if you think Python is not the right choice here I would love to hear about new stuff (especially when I'm this new to UI coding). It only needs to be cross-platform and let me do rapid development (hence me looking for an out-of-the-box solution to this). Please suggest the best way to implement this. Please also note that I am looking for either a ready solution or an advice on how to tackle this. Thank you very much !

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• What ports should I open for listen and/or transmit in my firewall to keep internet ok?

  - by H_7

  What are the minimum ports and services that should I allow/open for listen and/or transmit in my firewall (I am using Firestarter) to keep my internet running ok? Some talk about what services, which port uses, and why it matters should be nice too. Thanks for any advice. I have some bet to the answer 80 http 443 https 53 dns EDIT: I will just browse some sites. I have a windows virtual machine, so I ll use it too, bu t just normal navigation too. No torrents, IRC's, FLASH, etc.. Thanks for attention. hmmm... lost! Linux Mint 9 here.

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• Are there any open source projects for car engine sound simulation?

  - by Petteri Hietavirta

  I have been thinking how to create realistic sound for a car. The main sound is the engine, then all kind of wind, road and suspension sounds. Are there any open source projects for the engine sound simulation? Simply pitching up the sample does not sound too great. The ideal would be to something that allows me to pick type of the engine (i.e. inline-4 vs v-8), add extras like turbo/supercharger whine and finally set the load and rpm. Edit: Something like http://www.sonory.org/examples.html

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• 20 to 40 seconds pause during the boot on 12.04

  - by Vilmantas Baranauskas

  I've just installed new ASRock B75M-ITX Mainboard and fresh Ubuntu 12.04 on it. During the boot, there is a 20 to 40 seconds pause when goa-daemon is starting (/var/log/syslog): Jul 7 11:13:28 sirius goa[1933]: goa-daemon version 3.4.0 starting [main.c:112, main()] Jul 7 11:13:51 sirius kernel: [ 102.771893] ata3.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen Any ideas what is wrong and how should I proceed trouble-shooting this? EDIT: Thank you for the tip regarding ATA. I've found following in the logs: Jul 8 10:54:20 sirius kernel: [ 6.007532] ata1: link is slow to respond, please be patient (ready=0) Jul 8 10:54:20 sirius kernel: [ 10.648618] ata1: COMRESET failed (errno=-16) The problem vanished when I've reconnected the Intel G1 SSD from SATA3 to SATA2 connector.

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• Loud fans despite cool system under Linux (but not Windows)

  - by Sman789

  My new desktop computer runs almost silently under Windows, but the fans seem to run on a constantly high setting under Linux. Psensor shows that the GPU (with NVidia drivers) is thirty-something degrees and the CPU is about the same, so it's not just down to Linux somehow being more processor-intensive. I've read that the BIOS controls the fans under Linux, which makes sense given the high fan speeds when in BIOS as well. It's under Windows, when the ASUS AI Suite 3 software seems to take control, that the system runs more quietly and only speeds the fans up when required. So is there a Linux app which offers a similar dynamic control of the fans, or a setting hidden somewhere in the ASUS BIOS which allows the same but regardless of the OS? EDIT - I've tried using lm-sensors and fancontrol, but pwmconfig tells me "There are no pwm-capable sensor modules installed". This is after the sensors-detect command does find an 'Intel digital thermal sensor', and despite the sensors working fine in apps like psensor. Help getting this to work would likely solve the problem.

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• What is a Histogram, and How Can I Use it to Improve My Photos?

  - by Eric Z Goodnight

  What’s with that weird graph with all the peaks and valleys? You’ve seen it when you open Photoshop or go to edit a camera raw file. But what is that weird thing called a histogram, and what does it mean? The histogram is one of the most important and powerful tools for the digital imagemaker. And with a few moments reading, you’ll understand a few simple rules can make you a much more powerful image editor, as well as helping you shoot better photographs in the first place. So what are you waiting for? Read on!  What is a Histogram, and How Can I Use it to Improve My Photos?How To Easily Access Your Home Network From Anywhere With DDNSHow To Recover After Your Email Password Is Compromised

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• What's the difference between my nameserver and CName settings?

  - by Josh Mcquiston

  I have purchased a domain name(mxsoup.net) through GoDaddy, and it is just parked. In order to set up my custom URL for my SourceAudio site, they give me the following instructions: In order to host your site at a your own URL, we need you to set up some DNS records to point your URL to us. Specifically, we need two CNAME references, one for 'www.mxsoup.net' and one for 'secure.mxsoup.net', both of which should point to 'web2.sourceaudio.com'. But the rep on the phone at GoDaddy said that my site is hosted at HostMonster.com, and therefore I need to talk to them to accomplish this(which is possibly true, but my business owner says he hasn't purchased hosting for this particular domain, yet he does have some other sites in his hostmonster hosting acct.) My GoDaddy account shows that my nameservers are pointing at NS1.HOSTMONSTER.COM, and NS2.HOSTMONSTER.COM, and I can edit those. But is this the same as setting up the CNAME as described above? Any help would be greatly appreciated!

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• Why is my Quickly app full of fail?

  - by bstpierre

  I tried to use quickly on Ubuntu 12.04 to create an application, but it does not behave as described in that linked page. I don't get a popup when creating the application (see error below). % quickly create ubuntu-application foo Creating project directory foo Creating bzr repository and committing Launching your newly created project! (foo:16847): GLib-GIO-ERROR **: Settings schema 'org.gnome.desktop.interface' is not installed Congrats, your new project is setup! cd /tmp/foo/ to start hacking. It creates a project, but when I try to run, it crashes and burns: % cd foo % quickly run (foo:22639): GLib-GIO-ERROR **: Settings schema 'org.gnome.desktop.interface' is not installed Is this because I'm not using gnome-shell? What can I do to get a working project? (Edit: As a side note, I'd be willing to debug this myself, but I don't even get a traceback. What do I have to do to get quickly to give me a traceback?)

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• Is it possible to construct a cube with less than 24 vertices

  - by Telanor

  I have a cube-based world like minecraft and I'm wondering if there's a way to construct a cube with less than 24 vertices so I can reduce memory usage. It doesn't seem possible to me for 2 reasons: the normals wouldn't come out right and per-face textures wouldn't work. Is this the case or am I wrong? Maybe there's some fancy new dx11 tech that can help? Edit: Just to clarify, I have 2 requirements: I need surface normals for each cube face in order to do proper lighting and I need a way to address a different indexes in a texture array for each cube face

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