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  • Some Early Considerations

    - by Chris Massey
    Following on from my previous post, I want to say "thank you" to everyone who has got in touch and got involved – you are pioneers! An update on where we are right now: paper prototypes v1 To be more specific, we’ve picked two of the ideas that seem to have more pros than cons, turned them into Balsamiq mockups, and are getting them fleshed out with realistic content. We’ll initially make these available to the aforementioned pioneers (thank you again), roll in the feedback, and then open up to get more data on what works and what doesn’t. If you’ve got any questions about this (or what we’re working on right now), feel free to ask me in the comments below. I’ve had a few people express an interest in the process we’re going through, and I’m more than happy to share details more frequently as we go along – not least because you, dear reader, will help us stay on target and create something Good. To start with, here’s a quick flashback to bring you all up to speed. A Brief Retrospective As you may already know, we’re creating a new publishing asset specifically focused on providing great content for web developers. We don’t yet know exactly what this thing will look like, or exactly how it will work, but we know we want to create something that is useful different. For my part, I’m seriously excited at the prospect of building a genuinely digital publishing system (as opposed to what most publishing is these days, which is print-style publishing which just happens to be on the web). The main challenge at this point is working out our build-measure-assess loop to speed up our experimental turn-around, and that’ll get better as we run more trials. Of course, there are a few things we’ve been pondering at this early conceptual stage: Do we publishing about heterogeneous technology stacks from day 1, or do we start with ASP.NET (which we’re familiar with) & branch out later? There are challenges with either approach. What publishing "modes" are already being well-handled? For example, the likes of Pluralsight, TekPub, and Treehouse have pretty much nailed video training (debate about price, if you like), and unless we think we can do it faster / better / cheaper (unlikely, for the record), we should leave them to it. Where should we base whatever we create? Should we create a completely new asset under a new name, graft something onto Simple-Talk (like the labs), or just build something directly into Simple-Talk? It sounds trivial, but it does have at least some impact on infrastructure and what how we manage the different types of content we (will) have. Are there any obvious problems or niches that we think could address really well, or should we just throw ideas out and see what readers respond to? What kind of users do we want to provide for? This actually deserves a little bit of unpacking… Why are you here? We currently divide readers into (broadly) the categories: Category 1: I know nothing about X, and I’d like to learn about it. Category 2: I know something about X, but I’d like to learn how to do something specific with it. Category 3: Ah man, I have a problem with X, and I need to fix it now. Now that I think about it, I might also include a 4th class of reader: Category 4: I’m looking for something interesting to engage my brain. These are clearly task-based categorizations, and depending on which task you’re performing when you arrive here, you’re going to need different types of content, or will have specific discovery needs. One of the questions that’s at the back of my mind whenever I consider a new idea is “How many of the categories will this satisfy?” As an example, typical video training is very well suited to categories 1, 2, and 4. StackOverflow is very well suited to category 3, and serves as a sign-posting system to the rest. Clearly it’s not necessary to satisfy every category need to be useful and popular, but being aware of what behavior readers might be exhibiting when they arrive will help us tune our ideas appropriately. < / Flashback > We don’t have clean answers to most of these considerations – they’re things we’re aware of, and each idea we look at is going to be best suited to a different mix of the options I’ve described. Our first experimental loop will be coming full circle in the next few days, so we should start to see how the different possibilities vary between ideas. Free to chime in with questions and suggestions about anything I’ve just brain-dumped, or at any stage as we go along. If you see anything that intrigued or enrages you, or just have an idea you’d like to share, I’d love to hear from you.

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  • Technical Computing

      Today, Microsoft announced our Technical Computing initiative.    Through the Technical Computing initiative, we will enable scientists, engineers and analysts to more easily model the world at much greater fidelity.  The Technical Computing initiative will address a wide range of users.  One of the most critical elements is to help developers create applications that can take advantage of parallelism on their desktop, in a cluster, and in public and private clouds. ...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Connecting a reliance zte AC2737 netconnect + modem

    - by coditor
    I have a Reliance netconnect+ zte Ac2737. It has an allocated data of 5gb per month. The modem works fine only after the allocated data is over, for which i have to pay extra to the provider. I tried contacting the provider, but it was not of much help. The system detects the modem every time. I assume that it must be a possible problem with the provider, so is there any chance it is the problem of Ubuntu 12.04 LTS 64 bit itself as i have no other reason to think otherwise an it works fine every time on windows.

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  • mod_rewrite for clean URL doesn't work

    - by deathlock
    Basically what I want to do is to convert this: http://localhost/jariungu/user_caleg.php?idCaleg2014=3 into this: http://localhost/jariungu/caleg/3 I have managed to make /jariungu/caleg/3 to direct to the original URL (as in, if I open that URL, it directs me to the appropriate page). The problem is, once opened, the URL returns to the original, ugly one in the address bar. This is what I tried. Could someone provide a help? <IfModule mod_rewrite.c> Options +FollowSymlinks RewriteEngine On RewriteBase /jariungu/ RewriteRule ^caleg\/([0-9]+)\/([a-zA-Z]+\s*[0-9]*)/?$ caleg.php?idCaleg2014=$1&namaCaleg=$2 [NC,L] RewriteRule ^caleg\/([0-9]+)/?$ caleg.php?idCaleg2014=$1 [NC,L] </IfModule>

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  • Rotation, further I go from 0:0, the further the object positions around the origin while rotating

    - by Serguei Fedorov
    For some reason I am having the issue where the following code: global.spriteBatch.Draw(obj.sprite, obj.getPosition(), null, Color.White, obj.rotation, obj.center, 2f, SpriteEffects.None, 1); causes the object to rotate around the origin in such a way, as though there is an offset to the position relative to its location. The calculation for the center it correct and this happens even if I set the pivot to be the location of the object. The further I get from 0:0 the larger the radius or rotation. I am not sure what is going on here because given the following tutorial http://www.riemers.net/eng/Tutorials/XNA/Csharp/Series2D/Rotation.php I have done the code setup correctly. Any ideas? Any help is greatly appreciated!!!

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  • Grub not showing installed kernels

    - by Markus
    Although I have several kernel versions in /boot and having them in my grub.cfg, they are not displayed in the grub boot menu. Running update-grub seems to work, as it puts the kernels in the grub.cfg in /boot/grub. Issueing it gives the following output: Generating grub.cfg ... cat: /boot/grub/video.lst: Datei oder Verzeichnis nicht gefunden Found linux image: /boot/vmlinuz-3.2.0-31-generic Found initrd image: /boot/initrd.img-3.2.0-31-generic /usr/sbin/grub-probe: Fehler: no such disk. /usr/sbin/grub-probe: Fehler: no such disk. Found linux image: /boot/vmlinuz-3.2.0-30-generic Found initrd image: /boot/initrd.img-3.2.0-30-generic /usr/sbin/grub-probe: Fehler: no such disk. /usr/sbin/grub-probe: Fehler: no such disk. /usr/sbin/grub-probe: Fehler: no such disk. done I don't know how to fix that problem. Reinstalling grub via live cd did not help.

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  • rel="Canonical": Ranking Benefits ? & specifying for PDF?

    - by Miak
    I think I understand the basic case for using rel="canonical": to tell google which is the preferred URI when the same page/content may be accessed via more than one URI. This helps you avoid duplicate content penalties. But what else does it do? Does it also affect search ranking? i.e. will the page I specify in the canonical be ranked higher than the others? (if all else equal). And in the case of PDF documents, I understand that you can now specify rel="canonical" for them too, using HTTP headers (i.e. in htaccess). Again, this would obviously help avoid dupilcate content penalties if the PDF content is the same as the HTML page or if it can be accessed in more than one place. But does it affect ranking? or are there any other benefits to doing this.

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  • ROOT_MISMATCH error after following FAQ directions

    - by Adko
    While using Ubuntu One in 11.04 I am unable to change my account info. When I made the switch to 11.04 I forgot that I already had an Ubuntu One account so, I made a new one. However, upon going through one of my email accounts I found my old Ubuntu One login information. I then attempted to switch the account associated with my desktop to my first email. Now, despite following the directions found at https://wiki.ubuntu.com/UbuntuOne/FAQ/WhatToDoWhenSyncdaemonSaysRootMismatch I continue to get the error "File sync error. (local and server roots are different (ROOT_MISMATCH))". Any help would be appreciated.

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  • Using MLP, how to make a link to the according page in the other languages?

    - by lyle
    Hi all, the question says it all, but here's a bit more detail: I help building a bilingual website using MLP on TextPattern. It's trivial to put a link to the top level page of another language, but how to put a link to the current page in another language? Eg. /en/contact should link to /de/kontakt (the same article in another language). I'm sure there are some variables somewhere that I could put into the template that would be filled with the correct links. Thankx in advance. :)

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  • Cannot mount USB disks due to "not authorized" error

    - by shadovv
    I have Ubuntu 12.04 (.2?) installed. I don't plan to need GUI after setup so I modified the grub to start in console. However, whenever I want to start up GUI I need to type startx. Simple/basic stuff. However I seem to be hitting a snag: I am having trouble mounting/accessing USB flash drives in the GUI I started in the console. "Unable to mount location - not authorized". Seemed like it should be an easy fix, but can't figure out how I'm overlooking it. Can someone help me out?

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  • how to fix error when authenticating in U1

    - by Yann
    Like other users, when authenticating in U1 I get this error: Method "CreateItem" with signature "a{sv}(oayay)b" on interface "org.freedesktop.Secret.Collection" doesn't exist. And in /var/log/auth.log: gnome-keyring-daemon[4793]: egg_symkey_generate_simple: assertion `iterations >= 1' failed gnome-keyring-daemon[4793]: couldn't prepare to write out keyring: /home/yann/.gnome2/keyrings/login_1.keyring So I tried to move "login.keyring". I typed no password for the security when logging into U1, accepted non secured way to save passwords. And a message told me the operation successfully completed (in French). But, sync did not work. And u1sdtool --status returned this: State: AUTH_FAILED connection: With User With Network description: auth failed is_connected: False is_error: True is_online: False queues: WORKING I'm sorry U1 doesn't work anymore; it was really useful to me. Can you help me ? Ubuntu 11.10

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  • What's an acceptable "Avg. Page Load Time"?

    - by hawbsl
    Is there any industry rule of thumb for what's considered an unacceptable load time v. an OK one v. a blistering fast one? We're just reviewing some Google Analytics data and getting 0.74 Avg. Page Load Time reported. I guess that's OK. However it would be good if some meatier comparison data were available, or a blog post, or somewhere where there's some analysis of what speeds are generally being achieved by various kinds of sites. Any useful links to help someone interpret these speeds? If you Google it you just get a lot of results dealing with how to improve your speed. We're not at that stage yet.

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  • Compiz Error After Emerald Install

    - by KoopaTroopa
    Salutations! So, once again, I fell to the allure of the window decorator emerald. Where, just like the first time around, (I know I know) upon attempting to back out of emerald to the safety of compiz I'm faced with a problem. Seemingly after several minutes or after opening Chrome any window that isn't maximised has it's borders removed (so there's no close, minimise and maximise etc buttons). I can get them breifly back if I reload compiz via fusion-icon. After a brief chat on IRC it appears compiz is crashing. Here's a pastebin log of me running compiz via terminal. http://pastebin.com/sK65v4Fi I forgot my two vows of 'Never bother using Windows applications via wine or a VM' and 'Thou shalt never not use compiz'. ***GTK-Window-Decorator log gtk-window-decorator (gtk-window-decorator:11027): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap", Segmentation fault ** also posted on ubuntuforums to widen my scope of help.

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  • Cann't find shared folder anymore

    - by SoftTimur
    I use VMware Fusion under Mac, and I have installed Ubuntu 12.04 and Windows 7 as virtual machine. Under Ubuntu, by "shared folder", I used to manage a common folder with Mac via /mnt/hgfs/myfolder. Under Windows, I have set up so that this folder is also accessible. But today I cann't find myfolder anymore under /mnt/hgfs in Ubuntu, while it is still accessible via Windows (and Mac of cause). I tried to restart the machine, reset the sharing settings, it still does not work. Could anyone help?

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  • Abstract skill/talent system implementation

    - by kiliki
    I've been making small 2D games for about 3 years now (XNA and more recently LWJGL/Slick2D). My latest idea would involve some form of "talent tree" system in a real time game. I've been wracking my brain but can't think of a structure to hold a talent. Something like "Your melee attack is an instant kill if behind the target" I'd like to come up with an abstract object rather than putting random conditionals into other methods. I've solved some relatively complex problems before but I don't even know where to begin with this one. Any help would be appreciated - Java, pseudocode or general concepts are all great.

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  • Someone erased the mac os x with ubuntu, how do i get it back?

    - by Azarius Jenkins
    so for a further detail about this, my friend has a macbook pro thats all i know about it specfically aside from the fact it was running os x lion. before this guy got a hold of the computer that he knows, I could hit the command key and the R key to get to the disk utilities and what-not to install OS X Lion on it, but now since whomever my friend let touch th mac, i no longer and do any of the start-up keys for it.. I've been trying to geth the mac os x lion on there and im having no luck what-so-ever, if anyone could help me with this i would be greatly appreciative... if you need anymore info that i may be able to provide please feel free to ask. thank you again.

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  • How to render a retro-like pixel graphics from 3d models?

    - by momijigari
    I was wondering if there's a possibility to render a retro-pixel-like graphics from 3d model in real time? I'm talking about the Starfarer-like graphics. I know it's hand drawn, and it's 2d. But if I need a 3d objects with the same aesthetics? I'm currently working with Flash. But I don't need any ready-solutions, I just want to understand the principle from any other platform if there is one. So if anybody met anything like this I would appreciate your help. (If it's not possible to do in real time, I could at least pre-render a sequence of sprites. It would be much better than creating hundreds of hand-drawn ones)

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  • Java vs COBOL programming examples

    - by Jodi
    I am a COBOL programmer, desperately trying to learn and program Java. Although I understand the OO priciples and concepts, I am at a lost putting all together. I am trying to find some examples on how code will look in COBOL vs Java - something a bit more complicated than "hello world" [I am past that initial headache! :-)], that includes OO principles - basically, a decent 1000+ liner in COBOL, with the Java code to work through. After working through book after book, doing the examples, and even writing small java programs at work, I think working through an example I can compare will be the best way to getting my thinking cap converted, and being able to do in Java what I can do after 10 years with COBOL. Can anybody help?

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  • Network strange problem

    - by Ali
    I have a CPanel server with 5 IPs and a few domains. During night, access to main domain through HTTP return 324 no response many times. After several refresh it comes but many assets won't load and return 324. Using HTTPS is fine. During day HTTP is also fine. But another domain on that very sever works fine all the day through HTTP. The server DNS are ns1 and ns2 of the first domain. Second domain is on the shared IP and first domain has a dedicated IP. I cant resolve the problem :( and appreciate any help so much!

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  • Function keys and Hot are switched

    - by Brian
    I recently got a new laptop and installed 12.10 on it. I noticed right away that the "hot keys" on the F keys didn't always do what was pictured and also I noticed that the "hot keys" and the function keys were reversed. e.g. to close a window I have to hit alt-fn-F2 instead of just alt-F2. This is pretty annoying because I've been using the same keyboard shortcuts for years and I don't really want to have to re-learn them. I would also like to switch what the hot keys do, for example the F3 key is pictured as increase screen brightness but it really puts the computer to sleep. I would like to change this back to increase the brightness I looked in keyboard shortcuts settings but these options are not in there. I also downloaded gconf-editor but was unable to find where to change the shortcuts on it. (they weren't at apps \ metacity \ keybinding_commands like others described) any help would be greatly appreciated

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  • Ubuntu Variant / Linux Distros which uses least system resources (RAM, CPU)?

    - by elegantonyx
    I have a netbook (an older Asus EEEPC 1005HA) which I want to get rid of Windoze on (I like Windows, but I don't think it works well in a netbook environment). Basically, my question is which Ubuntu variant will use the least RAM and CPU running idle, and/or the same question except when running Firefox and Libreoffice Writer, say. I am also open to suggestions of non-Ubuntu Linux distros, but since this is AskUbuntu I thought the first question would be more appropriate. I have a disk drive which I can attach to the netbook, so it doesn't have to be a Ubuntu Variant / Linux Distro which solely boots from a USB drive. I have at my disposal: DVDs, DVD writer/ disk drive, 4gb flash drive, 8 gb flash drive I was thinking either Lubuntu or Archbang / Crunchbang but I would like some help from more knowledgable people Specs: Can't boot into it right now, but I think I have either Intel Atom N270 @1.60ghz OR Intel Atom N280 @1.66ghz (single core, I think) 2gb RAM 160 GB hard drive

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  • Recent Solaris Studio how-to articles

    - by unixman
    There were a few Oracle Solaris Studio articles published recently, check'em out! -How to Develop Code from a Remote Desktop with Oracle Solaris StudioThis article describes the remote desktop feature of the Oracle Solaris Studio IDE, and how to use it to compile, run, debug, and profile your code running on remote servers.-How to Use Remote Development in the IDEThis article describes the modes of remote development available in the Oracle Solaris Studio 12.3 IDE and how to choose the best one for your development environment.-Performance Tips for the Oracle Solaris Studio IDEThis article describes some tips and tricks to help you improve the performance of the Oracle Solaris Studio IDE.

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  • Google Analytics - bad experiences? (esp. adult content)

    - by Litso
    Hello all, I work for a rather large adult website, and we're currently not using Google Analytics. There is an internal debate going on about whether we should start using Analytics, but there is hestitation from certain parties. The main argument is that they fear that Google will get too much insight into our website, and might even block us from the index as a result based on our adult content. Has anyone here ever had such an experience, or know stories about bad experiences with Google Analytics in such a manner? I personally think it will only improve our website if we were able to use Analytics, but the dev team was asked to look into possible negative effects. Any help would be appreciated.

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  • Ubuntu hangs frequently

    - by nishan
    I have an Athlon x2 7750, 2GB RAM and I installed Ubuntu 12.04 LTS on 8Gb moser baer pen drive. Software I installed are: apache2, php5, mysql-server, mysql-workbench, komodo-edit, anjuta. I also wanted gimp but I stopped. Problem is Ubuntu stops responding after 3-4 minute and start responding again for 3-4 minutes. and this continues. I'm use Windows 7 and do not know much about Linux, I wanted to install it on my hard disk. Can community help me on how to get smooth Ubuntu???

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  • The field for entering password freeze if no text is enter quickly after i install cinnamon on 12.04

    - by user109162
    Iam a total newbie to Ubuntu . I installed Cinnamon through terminal . The problem is that when i boot up, if i don't enter the password before 1 or 2 minutes the password field will freeze and won't accept any text inputs.The problem was most likely caused by Cinnamon because i guess the problem started after i tried to install some Cinnamon extensions. Please answer in non-technical way as far as possible. I will never go back to Windows whatever be the outcome. Help me stay on to Ubuntu.

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