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• Make the Web Fast: Automagic site optimization with mod_pagespeed 1.0!

  Make the Web Fast: Automagic site optimization with mod_pagespeed 1.0! Ask and vote for questions at: bit.ly mod_pagespeed is an open-source Apache module that automatically optimizes web pages and resources on them: images, CSS, JavaScript, and much more. In this episode, we'll catch up with Joshua Marantz, the tech lead of the project at Google and talk about the history of mod_pagespeed, its fast growing adoption (130K+ sites!), technical architecture and how it works under the hood. Finally, we'll talk about the upcoming 1.0 release milestone for the project. If you're curious about mod_pagespeed, then this is definitely the show you won't want to miss! From: GoogleDevelopers Views: 0 0 ratings Time: 00:00 More in Science & Technology

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• Is a yobibit really a meaningful unit? [closed]

  - by Joe

  Wikipedia helpfully explains: The yobibit is a multiple of the bit, a unit of digital information storage, prefixed by the standards-based multiplier yobi (symbol Yi), a binary prefix meaning 2^80. The unit symbol of the yobibit is Yibit or Yib.1[2] 1 yobibit = 2^80 bits = 1208925819614629174706176 bits = 1024 zebibits[3] The zebi and yobi prefixes were originally not part of the system of binary prefixes, but were added by the International Electrotechnical Commission in August 2005.[4] Now, what in the world actually takes up 1,208,925,819,614,629,174,706,176 bits? The information content of the known universe? I guess this is forward thinking -- maybe astrophyics or nanotech, or even DNA analysis really will require these orders of magnitude. How far off do you think all this is? Are these really meaningful units?

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• How can one get involved in the Ubuntu Brainstorm team?

  - by Jay

  I've heard it thrown around on a lot of blogs that Ubuntu Brainstorm is the "graveyard of good ideas". I have a bit of a passion for average end-users suggesting the kinds of software they want and they way they think their applications and computers could work. I'm interested in joining the Ubuntu Brainstorm team, maybe to facilitate ideas not getting buried and making it not seem like a dead platform. Unfortunately I'm not very plugged into the "community" so I'm not sure how to go about it. I was hoping someone might be able to point me in the right direction. Thanks.

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• How do I get started with fog type effects in a first person game?

  - by Dream Lane

  Hey guys, I'm currently using JME3 to learn 3d game development in java, and I have run into a situation. I would like to add fog effects to my games, but I don't even know where to start to implement this. I know how to set the camera's far frustum to limit the render distance, but that just simply makes a sharp cutoff. I'd like the fog it up a bit to make it feel more natural. I'm looking for an answer that points me into the correct direction. I'm not looking for specific code snippets or even JME3's engine specifics. I just want to get an idea of how this stuff works in general. Thanks!

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• Beginner help: where to begin [closed]

  - by shad

  I want to learn how to program. A main stream programming language such as Java, C++/C# is my primary target. Currently, I am a high school student planning to take programming, Digital electronics courses next semester. My biggest problem is that I do not know where to start and I have no one to consult with. Should I take a course at my local community college this summer? Get some books or try learning from some internet websites? What would be the best option a book or website? note that this is no longer my words, but rather ChrisF's because he decided to reword the question a bit (bad) and spaced it out better (good).

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• How to achieve excellence in iOS Development? [on hold]

  - by Ashish Pisey

  I have been developing iOS apps for six months now and every day i find something new and exciting to learn. i feel blessed with apple docs and 3rd party APIs.I have four apps on the App Store.i have tried almost all the basic core features of iOS except core-data. MY recent interests are dynamic UI,physics(sprite kit) and social apps.As i feel lost in vast pool of knowledge,i would like to know from you expert iOS developers, what particular features should i concentrate on for the future? should i try opengl-es for 3d gaming for 64 bit processors or stick to basic 2d physics gaming for some time or the evergreen social apps category ? appreciate your help, thanx

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• Starcraft 2 not displaying map in game

  - by AntiFX

  I installed Starcraft II wings of liberty via playonlinux, it installed fine, it starts up fine, but when I go into a game the map does not show, it is just black, but all my buildings/units/mineral line shows up, but everything else is black, also all the abilities do not have any graphics, and I can not see my player portrait in the menus. I am on a 32 bit version of ubuntu 12.04 with wine 1.5.10 I think it is probably a missing package I need to install...but I have no clue which one it would be, or if it is even that. Can anyone help? Thank you in advance!

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• Why Gsettings isn't enough to reset my nautilus settings?

  - by berdario

  I'm trying to narrow down a bug (to eventually report it or give up if it'll turn out that resetting a simple setting will be enough to get rid of it) I noticed that with a brand new user the bug doesn't pop up so I tried to reset the config of my user's nautilus I renamed .config/nautilus I renamed .nautilus2 (strange name... why the 2?) and I did a gsettings reset-recursively org.gnome.nautilus strangely enough, it didn't work: I previously set up to use my home as the desktop folder, and now the key has correctly been resetted $gsettings get org.gnome.nautilus.preferences desktop-is-home-dir false and yet on my desktop I see the contents of my home folder (meaning that the settings have not been resetted) I know that with the transition to gtk3 there've been lots of changes (before I should've used gconf... but now there's dconf and gsettings), so there're quite a bit of question about nautilus... but these unfortunately now seem to be outdated

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• OpenGL: Drawing to a texture

  - by Danran

  Well im just a bit stuck wondering how to draw an item to a texture. Specifically, i'm using; glDrawArrays(GL_LINE_STRIP, indices[0], indices.size()); Because what i'm drawing via the above function updates every-frame, i'm just totally not sure how to go about drawing what i have to a texture. Any help is greatly appreciated! Edit: Well unfortunately my graphics card doesn't support FrameBuffer Objects :/. So i've been trying to get the copy contents from backbuffer method working. Here's what i currently have; http://pastebin.com/dJpPt6Pd And sadly all i get is a white square. Its probably something stupid that i'm doing wrong. Just unsure what it could be?

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• Can I Use A Canonical Tag Instead of a Redirect for Updated Content?

  - by Ewan Heming

  I have some old articles on my blog that get quite a bit of traffic, but are very outdated. I want to remove them from Google's index using the noindex tag, but I'm not sure what the best approach will be to send the same traffic to my new article on the subject without using a redirect (as I want to keep them in my blog archives). I was intending to just put a link at the top of the article pointing to the new one, but was wondering if it was appropriate to use a canonical tag instead; the new article is on the same subject but doesn't contain the same content, so isn't really a copy.

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• How to select which account is logged in at system startup, or none?

  - by hippietrail

  I'm helping out some friends with a tiny hospitality business where one desktop computer has some files used by the business in one account "hotel" but it's mostly used by guests for browsing the web in another account "guest". It's low security, we're not worried about hacking or anything. But we don't want people accidentally moving our files or anything either. But the system always boots into the "hotel" account without asking for a password, even though the account has a password. We want it to boot into the "guest" account. I know a bit about computers generally and Linux but not much about Ubuntu and the ever-changing graphical environment the Linuxes are going through these days. We've looked through the obvious settings/preferences/options and I've done some Googling. I know this should be obvious easy stuff but I can't find it. (We're running 10.04 LTS on a generic aging Intel box.)

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• How can I use a .html file as desktop background/wallpaper?

  - by dudealfred

  I have one of those underpowered netbooks with Lubuntu. I also have an iPod Touch. I'd like the best of both worlds. So I would like to create an active html wallpaper with beautiful little squared icons to launch my webapps through Chromium/Firefox. I've read a bit, but it looks like there isn't really anything that would allow for that. Why? Does anyone have any other alternatives (apart from buying an iPad)? :)

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• Do I need a Point and a Vector object? Or just using a Vector object to represent a Point is ok?

  - by JCM

  Structuring the components of an engine that I am developing along with a friend (learning purposes), I came to this doubt. Initially we had a Point constructor, like the following: var Point = function( x, y ) { this.x = x; this.y = y; }; But them we started to add some Vector math to it, and them decided to rename it to Vector2d. But now, some methods are a bit confusing (at least in my opinion), such as the following, which is used to make a line: //before the renaming of Point to Vector2, the parameters were startingPoint and endingPoint Geometry.Line = function( startingVector, endingVector ) { //... }; I should make a specific constructor for the Point object, or there are no problems in defining a point as a vector? I know a vector have magnitude and direction, but I see so many people using a vector to just represent the position of an object.

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• virt-manager not installing

  - by Registered User

  I am trying to install virt-manager on 11.10 on 64 bit machine sudo aptitude install virt-manager here is where it stopped the install Processing triggers for python-support ... Errors were encountered while processing: libvirt-bin E: Sub-process /usr/bin/dpkg returned an error code (1) A package failed to install. Trying to recover: Setting up libvirt-bin (0.9.2-4ubuntu15) ... useradd: cannot lock /etc/passwd; try again later. adduser: `/usr/sbin/useradd -d /var/lib/libvirt -g kvm -s /bin/false -u 118 libvirt-qemu' returned error code 1. Exiting. dpkg: error processing libvirt-bin (--configure): subprocess installed post-installation script returned error exit status 1 Errors were encountered while processing: libvirt-bin What should be done in this case to resolve it?

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• Getting Started Integrating Windows Azure with Microsoft Office Solutions

  Nearly everyone starts learning anything new by beginning with something simple and adding incremental knowledge. One of the biggest challenges with Windows Azure and SQL Azure is that the simple beginning seems a bit more elusive. The "Hello World" application in the new world of cloud computing, while not overly complex in concept, requires a good measure of preparation and configuration. The following content is designed to aid you in getting started with Windows Azure and SQL Azure in the spirit...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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• Excel duration converts to date

  - by Malcolm Anderson

  I'm working on an Excel 2010 spreadsheet and I'm trying to put in durations for some tasks I want to schedule.The interesting thing is that up until a few minutes ago, I couldn't do it.I was entering in "47:00" and excel was (and still is) converting it to "1/1/1900 23:00:00"In my mind, I want the value to be 47 minutes, but for the life of me I cannot find a fix for this behavior.Here's the weirdest thing, I haven't had this problem in the past.  Usually I put in times, add them up and they work like magic.  Put in 18 entries of 20 minutes each, total them and excel will usually tell me that it's a total of 6 hours.No problem.Today, problem.Here's the weird bit:As I was writing this post, I got it to work.By formatting the column as custom "[hh]:mm" and summing the columns, I can get total times.But the times are still being formatted into dates if I look at the underlying data.  Bottom line, if you need to calculate durations, you can, but don't look too closely at what is happening underneath the covers.

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• How To Sideload Modern Apps on Windows 8

  - by Chris Hoffman

  The average Windows 8 user can only download apps that Microsoft has approved from the Windows Store. Windows 8 offers two ways to sideload unapproved apps, which are intended for developers and businesses with internal apps. These methods cannot be used by the average geek to install unapproved apps from the web. Windows 8’s new interface takes the Apple iOS approach of forbidding unapproved software, not the Android approach of allowing all users to enable sideloading. Note: This only applies to Modern apps in the new Windows 8 interface, not on the desktop. Windows desktop applications can be installed normally. However, you can’t install any desktop applications on devices running Windows RT. Why Does 64-Bit Windows Need a Separate “Program Files (x86)” Folder? Why Your Android Phone Isn’t Getting Operating System Updates and What You Can Do About It How To Delete, Move, or Rename Locked Files in Windows

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• New Window Via JavaScript Clears Parent

  - by Bunch

  This is not a new item at all but I came across it recently. For an app I had been using some JavaScript like: javascript:window.open(someurl.aspx here) to open a new window via a button. That bit of code had been working great in several other apps. Then in one app that same code decided to open the new window correctly while clearing the parent of everything but [object]. The fix ended up being simple, change the javascript to: javascript:void(window.open(someurl.aspx here); Then it worked like I thought it should. Tags: ASP.Net, JavaScript

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• Windows 7 with Ubuntu Problems HP

  - by Brian

  I have a HP e9300z, Have Windows 7 on it currently. x64 bit. I wish to Dual Boot Ubuntu with Windows 7, when i do the windows setup , do not even get the options to Install Alongside with, Just install or Something else. Someone in another forum said something with the HP BIOS, can not find where to change anything. So what do i have to do so Ubuntu sees my HDD with Windows? Manually make partition? Only have 1 partition my C: Windows. Thanks.

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• Anyone know about AppDynamics? Does Microsoft already have something similiar? Event viewer? Im confused

  - by punkouter

  We have a big collection of java (80%) and .Net (20%) apps.. And the people in charge want a way to monitor the applications somehow. So they told me they are interested in AppDynamics? I have spent a bit looking into it but I still don't get it. Can someone tell me what its about ? From my understanding it seems like you would someone inject the AppDynamics API in your code to tell about differnt events that occur? So sounds like Event Viewer ? I am on the .NET side of this and seems to me we can just write data to a log and report off of that data.. I don't get what the additional complexity of using'AppDynamics' does. Maybe it is overkill ??

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• W520 External monitor setup with Ubuntu 12.10

  - by user108372

  I just installed a fresh Ubuntu 12.10 64-Bit Desktop on my Lenovo W520. It looks like there are a lot of challenges around making it work with out of the box Nouveau drivers or propriety Nvidia drivers or Intel GPU. I looked at couple of notes on how to make it work with Bumblebee with Optimus Nvidia. None of them seems to work for 12.10. Anybody has a solid answer on this? It seems like a lot of people are suffering from this. Here is my xrandr output. Let me know if you need any additional information. Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192 LVDS1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 344mm x 193mm 1920x1080 60.0*+ 59.9 50.0 1680x1050 60.0 59.9 1600x1024 60.2 1400x1050 60.0 1280x1024 60.0 1440x900 59.9 1280x960 60.0 1360x768 59.8 60.0 1152x864 60.0 1024x768 60.0 800x600 60.3 56.2 640x480 59.9 VGA1 disconnected (normal left inverted right x axis y axis) Thanks, Sef

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• Is it possible to use two different shells for different terminal windows?

  - by NES

  Is it possible to use another shell for scripts than for standard terminal use? The problem is, i use fish as shell at the moment and i find i very convenient. But i would like to learn a bit of shell programming in Ubuntu. Since there are differences between those two it would be nice, to work with fish and bash at the same time, perhaps in different terminal windows? i know i can write a shell script and have to put the interpreter in the beginning. But for testing developing at commandline i would find it useful to fast switch between shells or use two different terminal windows with different shells in one session at the same time?

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• Exciting DBA and BI role in London for fast growing startup

  - by simonsabin

  One of my clients is looking for a DBA and a BI developer. They are a very exciting dotcom company with cutting edge technology and are growing fast  A bit older than a startup but they still have that feel about them. They are based in North London and are a very nice company to work for, flexible hours, working from home. Plus they are willing to pay for the right candidate. There is at least 1 DBA and 1 BI role going. If you are interested then let me know http://sqlblogcasts.com/blogs/simons...(read more)

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• Best skill set for a max. income entry level job? [closed]

  - by Emmett Gear

  I am interested in getting a bit more experience with programming before I get a job. What languages/skills are currently seeing the highest rates of employment? Are web-developers typically better-paid than desktop software programmers? Do web-developers require a wider skill set? I often see a number of different languages being listed as necessary on web development job applications. Will most potential employers except me to be very familiar with command line Linux? (I'm a Windows guy myself, but I've used Linux in the past). I realize that specialists in dying languages like COBOL or FORTRAN can make a lot of money too, but I am not interested in stuff like that.

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• Is JScript dying? If so, where should I go? [closed]

  - by David Is Not Here

  I recently poked around Google for a little bit, looking for information about coding JScript. It's very sparse, which surprised me -- it took a link to a link to find Microsoft's own reference, which appears to omit most if not all references to console-based scripting that extends past Javascript. I'm working with the console here, not a webpage, so input and output seems very different than what Microsoft explains. If JScript is dying (and it appears to be so), where do I go from here? VBScript? My options are limited because the computers I'm using this on are carefully patrolled for new software. JScript's similarity to JavaScript was the biggest reason I had chosen it for porting over some of my prior work. I'm specifically looking for, at best, a console scripting language that doesn't need any extra software on Windows XP or higher, that at least supports standard input, output, pause, and file manipulation, little else.

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