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  • Cross Platform Data Access with Xamarin & C# For iPhone, iPad, and Android - Local, Web Services, & Sql Server

    - by Wallym
    The following is a link to cross platform data access training with Xamarin & C#.   It is intended for use on iPhone, iPad, and Android devices.  The course covers local data in Sqlite, calling Web Services via REST and JSON, and calling Sql Server. Url: http://www.learnnowonline.com/course/cpx2/xamarin-cross-platform-data-access/  Course Data  Applications live on data. These applications can vary from an online social network service, to a company’s internal database, to simple data, and all points in between. This Course will focus on how to easily access data on the device, communicate back and forth with a web service, and then finally to a SQL server database. Outline Local Data (27:36) Introduction (00:36) Problem (01:57) Solution (02:01) LINQ (02:03) LINQ Status (00:48) SQLite (02:18) SQLite - .Net Developers (00:50) SQLite-net (01:07) SQLite-net Attributes (02:10) Getting Started (01:09) CRUD (01:05) SQLite Platforms (01:17) Demo: SQLite – Android (04:53) Demo: SQLite – iOS (04:56) Summary (00:20) Web Services Data (32:43) Introduction (00:19) Async Commands (03:15) HttpClient (01:26) HTTP Verbs (01:29) Notes (00:58) GET Operation (01:37) JSON.NET (01:50) Images (01:16) Other Http Verbs (01:27) Post (03:18) Demo: Http – iOS prt1 (05:26) Demo: Http – iOS prt2 (05:28) Demo: Http – Android (04:20) Summary (00:27) Direct Data (12:33) Introduction (00:23) Remote Data - Direct (02:47) Sql Server (01:15) Demo: Sql Server – iOS (04:15) Demo: Sql Server – Android (01:49) "codepage 1252 not supported" (01:03) Other Resources (00:43) Summary (00:15) Note: Thanks to Frank Kreuger for his data access library Sqlite-Net.  It is very helpful and I have used it in some other projects beyond just this training session.

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  • Caching in the .NET Stack: Inside-Out

    - by Elton Stoneman
    Originally posted on: http://geekswithblogs.net/EltonStoneman/archive/2013/06/28/caching-in-the-.net-stack-inside-out.aspxI'm delighted to have my first course published on Pluralsight - Caching in the .NET Stack: Inside-out.   It's a pretty comprehensive look at caching in .NET solutions. The first half covers using local, remote and persistent cache stores inside the solution, including the .NET MemoryCache, NCache Express, AppFabric Caching, memcached, Azure Table Storage and local disk stores. The second half covers caching outside the solution in HTTP clients and proxies, and how to set up ASP.NET WebForms, MVC, Web API and WCF projects to use HTTP validation and expiration caching.   The course takes a hands-on approach, starting with a distributed solution that has no caching, analysing key points which can benefit from caching, and adding different types of cache. At the end of the course I run through a set of before and after performance tests, stressing the solution under load. Without caching and with 60 concurrent users the page response time maxes out at 18 seconds - with caching that falls to 2 seconds, so it's a huge improvement from very little effort. I’d be glad to hear feedback if you watch the course, especially if it’s as positive as my editor’s.

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  • dpkg E: Sub-process /usr/bin/dpkg returned an error

    - by user81269
    I decided to shift around my partitions on my hard drive for a fresh install of Kubuntu. I booted my Ubuntu 10.10 live disc, shifted everything around and attempted to install grub and it didn't work, so I burnt an Ubuntu 12.04 disc and installed it. I got the computer working and wanted to install some packages, but didn't have an internet connection at the time. So (I know this was stupid) I got some debs from previous versions of Ubuntu, as I needed my music, and the other install took a long of time to boot. Once I got my internet connection back, everything worked ok, for a little while. Then I stumbled upon this problem after removing ten broken packages using synaptic: drhax@Spamotard:~$ sudo apt-get install -f Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be REMOVED: libgtk2.0-cil 0 upgraded, 0 newly installed, 1 to remove and 417 not upgraded. 1 not fully installed or removed. After this operation, 2,638 kB disk space will be freed. Do you want to continue [Y/n]? y (Reading database ... 103052 files and directories currently installed.) Removing libgtk2.0-cil ... E: File does not exist: /usr/share/cli-common/packages.d/policy.2.6.gtk-dotnet.installcligac dpkg: error processing libgtk2.0-cil (--remove): subprocess installed post-removal script returned error exit status 1 Errors were encountered while processing: libgtk2.0-cil E: Sub-process /usr/bin/dpkg returned an error code (1) Help would be appreciated. This is my first post, but I do know fair bit about Ubuntu, so feel free to point out any stupid mistakes I have made.

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  • Failure to toubleshoot a juju charm deployment

    - by Bruno Pereira
    My environments.yaml looks like this: environments: test: type: local control-bucket: juju-a14dfae3830142d9ac23c499395c2785999 admin-secret: 6608267bbd6b447b8c90934167b2a294999 default-series: oneiric juju-origin: distro data-dir: /home/bruno/projects/juju juju bootstrap runs perfect: 2011-11-22 19:19:31,999 INFO Bootstrapping environment 'test' (type: local)... 2011-11-22 19:19:32,004 INFO Checking for required packages... 2011-11-22 19:19:33,584 INFO Starting networking... 2011-11-22 19:19:34,058 INFO Starting zookeeper... 2011-11-22 19:19:34,283 INFO Starting storage server... 2011-11-22 19:19:40,051 INFO Initializing zookeeper hierarchy 2011-11-22 19:19:40,247 INFO Starting machine agent (origin: distro)... [sudo] password for bruno: 2011-11-22 19:23:16,054 INFO Environment bootstrapped 2011-11-22 19:23:16,079 INFO 'bootstrap' command finished successfully Deploy from a known good charm is accepted (tried it with one that I am trying to create): juju deploy --repository=/home/bruno/projects/charms_repo/ local:teamspeak 2011-11-22 19:28:49,929 INFO Charm deployed as service: 'teamspeak' 2011-11-22 19:28:49,962 INFO 'deploy' command finished successfully After this I can see that juju debug-log shows activity and I can see the network indicator going on and off and activity on my hard-disk. Wait... Looking at juju status I get: services: teamspeak: charm: local:oneiric/teamspeak-1 relations: {} units: teamspeak/0: machine: 0 public-address: 192.168.122.226 relations: {} state: start_error juju debug-log does not help and I have no files under /var/log/juju or /var/lib/juju. Last juju debug-log only shows this: 2011-11-22 19:45:20,790 Machine:0: juju.agents.machine DEBUG: Units changed old:set(['wordpress/0']) new:set(['wordpress/0', 'teamspeak/0']) 2011-11-22 19:45:20,823 Machine:0: juju.agents.machine DEBUG: Starting service unit: teamspeak/0 ... 2011-11-22 19:45:21,137 Machine:0: juju.agents.machine DEBUG: Downloading charm local:oneiric/teamspeak-1 to /home/bruno/projects/juju/bruno-test/charms 2011-11-22 19:45:22,115 Machine:0: juju.agents.machine DEBUG: Starting service unit teamspeak/0 2011-11-22 19:45:22,133 Machine:0: unit.deploy INFO: Creating container teamspeak-0... 2011-11-22 19:47:04,586 Machine:0: unit.deploy INFO: Container created for teamspeak/0 2011-11-22 19:47:04,781 Machine:0: unit.deploy DEBUG: Charm extracted into container 2011-11-22 19:47:04,801 Machine:0: unit.deploy DEBUG: Starting container... 2011-11-22 19:47:07,086 Machine:0: unit.deploy INFO: Started container for teamspeak/0 2011-11-22 19:47:07,107 Machine:0: juju.agents.machine INFO: Started service unit teamspeak/0 How can I troubleshot what is happening here?

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  • How to Change the Default Application for Android Tasks

    - by Jason Fitzpatrick
    When it comes time to switch from using one application to another on your Android device it isn’t immediately clear how to do so. Follow along as we walk you through swapping the default application for any Android task. Initially changing the default application in Android is a snap. After you install the new application (new web browser, new messaging tool, new whatever) Android prompts you to pick which application (the new or the old) you wish to use for that task the first time you attempt to open a web page, check your text message, or otherwise trigger the event. Easy! What about when it comes time to uninstall the app or just change back to your old app? There’s no helpful pop-up dialog box for that. Read on as we show you how to swap out any default application for any other with a minimum of fuss. Latest Features How-To Geek ETC How to Change the Default Application for Android Tasks Stop Believing TV’s Lies: The Real Truth About "Enhancing" Images The How-To Geek Valentine’s Day Gift Guide Inspire Geek Love with These Hilarious Geek Valentines RGB? CMYK? Alpha? What Are Image Channels and What Do They Mean? How to Recover that Photo, Picture or File You Deleted Accidentally Now Together and Complete – McBain: The Movie [Simpsons Video] Be Creative by Using Hex and RGB Codes for Crayola Crayon Colors on Your Next Web or Art Project [Geek Fun] Flash Updates; Finally Supports Full Screen Video on Multiple Monitors 22 Ways to Recycle an Altoids Mint Tin Make Your Desktop Go Native with the Tribal Arts Theme for Windows 7 A History of Vintage Transformers: Decepticons Edition [Infographic]

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  • Friday Fun: Vehicles

    - by Mysticgeek
    Friday has finally arrived and it’s time to ignore spreadsheets and TPS reports and waste time playing a flash game. Today we take a look at the fun puzzle game called Vehicles. Vehicles This is a fun game with cartoon style graphics where you navigate vehicles to solve different puzzles. You navigate the vehicles through different puzzle situations by clicking on them with your mouse. You’re given basic instructions on how to complete each level. You’ll need to strategically place the vehicles so you can knock the black vehicles off the screen. As you progress up the levels, they become more challenging and if you need to, you can restart it at any time. Since it’s Friday, and you’re sick of your job, Vehicles is a fun puzzle game to keep your mind of the boringness of work until it’s time for weekend freedom. Play Vehicles at FreeWebArcade Similar Articles Productive Geek Tips Friday Fun: Relieve Workweek Frustration Playing Mad MondayFriday Fun: Uphill RushFriday Fun: Battlefield HeroesFriday Fun: Portal, the Flash VersionFriday Fun: Play 3D Rally Racing in Google Chrome TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips VMware Workstation 7 Acronis Online Backup DVDFab 6 Revo Uninstaller Pro FetchMp3 Can Download Videos & Convert Them to Mp3 Use Flixtime To Create Video Slideshows Creating a Password Reset Disk in Windows Bypass Waiting Time On Customer Service Calls With Lucyphone MELTUP – "The Beginning Of US Currency Crisis And Hyperinflation" Enable or Disable the Task Manager Using TaskMgrED

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  • Tunlr Gives Non-US Residents Access to Hulu, Netflix, and More

    - by Jason Fitzpatrick
    If you’re outside the US market and looking to enjoy US streaming services like Hulu, Netflix, and more, Tunlr is a free and simple service that will get you connected. Unlike other tools that are more expensive (both in price and in hardware/bandwidth overhead) like VPN services, Tunlr doesn’t set up a full tunnel but instead serves as an alternative DNS server that allows you to access previously blocked content. From the Tunlr FAQ: Tunlr does not provide a virtual private network (VPN). Tunlr is a DNS (domain name system) unblocking service. We’re using sophisticated technologies (a.k.a. the Tunlr Secret Sauce ©) to re-adress certain data envelopes, tricking the receiver into thinking the envelope originated from within the U.S. For these data envelopes, Tunlr is transparently creating a network tunnel from your location to our U.S.-based servers. Any data that’s not directly related to the video or music content providers which Tunlr supports is not only left untouched, it’s also not even routed through Tunlr. Hit up the link below for more information about the service, including how to set it up on various operating systems, portable devices, and gaming consoles. Tunlr [via gHacks] HTG Explains: Why You Only Have to Wipe a Disk Once to Erase It HTG Explains: Learn How Websites Are Tracking You Online Here’s How to Download Windows 8 Release Preview Right Now

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  • Fun with RadCaptcha for ASP.NET AJAX and OCR software

    A friend of mine was evaluating OCR software and finally decided to go with FineReader. I was curious what would happen if we put the RadCaptcha control in. Will the advanced OCR manage to decode it or not? At first he showed me a test run with the RadCaptcha demo description, to get an idea of the basic output:    Naturally, the captured description text was no problem - only a few characters were misread but then corrected with the spellcheck. Next, the real test was performed:    These were only a couple of the results, but there is no need to post the rest of the tests - none of the RadCaptcha images were recognized by the OCR software. Here are the CaptchaImage settings used in the tests: Background Noise Level: Low /default value Line Noise Level: Low /default value Font Warp Factor: Low /Medium is default value...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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  • JavaCV IplImage to LWJGL Texture

    - by rendrag
    As a side project I've been attempting to make a dynamic display (for example a screen within a game) that shows images from my webcam. I've been messing around with JavaCV and LWJGL for the past few months and have a basic understanding of how they both work. I found this after scouring google, but I get an error that the ByteBuffer isn't big enough. IplImage img = cam.getFrame(); ByteBuffer buffer = img.asByteBuffer(); int textureID = glGenTextures(); //Generate texture ID glBindTexture(GL_TEXTURE_2D, textureID); //Bind texture ID //I don't know how much of the following is necessary //Setup wrap mode glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE); //Setup texture scaling filtering glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); //Send texture data to OpenGL - this is the line that actually does stuff and that OpenGL has a problem with glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL12.GL_BGR, GL_UNSIGNED_BYTE, buffer); That last line throws this- Exception in thread "Thread-0" java.lang.IllegalArgumentException: Number of remaining buffer elements is 144, must be at least 921600. Because at most 921600 elements can be returned, a buffer with at least 921600 elements is required, regardless of actual returned element count at org.lwjgl.BufferChecks.throwBufferSizeException(BufferChecks.java:162) at org.lwjgl.BufferChecks.checkBufferSize(BufferChecks.java:189) at org.lwjgl.BufferChecks.checkBuffer(BufferChecks.java:230) at org.lwjgl.opengl.GL11.glTexImage2D(GL11.java:2845) at tests.TextureTest.getTexture(TextureTest.java:78) at tests.TextureTest.update(TextureTest.java:43) at lib.game.AbstractGame$1.run(AbstractGame.java:52) at java.lang.Thread.run(Thread.java:679)

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  • Multiple stores for the same niche

    - by pandronic
    I started developing a new niche of products in my country about 3 years ago. That's when I opened my first store. Everything went fine, until a year ago, when someone I thought was a friend secretly stole my idea and made his own competing store. I was pretty upset when I caught him and decided to make it as difficult as possible for him, so I made another 4 stores, trying to get him as low as possible in the search results. The new sites have similar products (although not 100% identical), slightly different titles, images and prices. They look different and are built on different e-commerce platforms. They are all hosted on the same server, have roughly the same backlinks, use the same Google account for Analytics, have the same support phone numbers etc etc. I wasn't thinking that I'm doing something fishy, so I didn't try to hide anything. Trouble is that those sites, after doing fine for a few months, dropped like bricks in search results, almost to the point that they can't be found at all. At the moment, the only site that ranks relatively well is the original one and a couple of secondary pages with no importance from one of the other sites. How did this happen? Does Google have something against this practice? Did they take action by themselves when they realized that I was trying to monopolize this niche, or did my competitor report me for some kind of webspam? And more importantly, what do I do now? Do I shutdown all but my original site and 301 redirect users to it from the others? Can I report my competitor for engaging in the same practice? (He fought back and now he has 3-4 sites, some of which still rank kind of OKish, also he has no idea about web development, SEO or marketing, he just crudely copies what I do and is slowly but surely starting to do better than me).

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  • How to Customize the Ubuntu Bootloader Screen

    - by Omar Hafiz
    We all know Grub2 is the default bootloader for Ubuntu, but it isn’t the prettiest bootloader ever. Since we also know that Ubuntu is highly customizable, this week we’re going to show you how to beautify your bootloader. To accomplish this, we’re going to utilize an add-on called BURG, which is a Brand-new Universal loadeR based on Grub and is created by Bean. It has much prettier GUI and it supports themes and customizations. Latest Features How-To Geek ETC Macs Don’t Make You Creative! So Why Do Artists Really Love Apple? MacX DVD Ripper Pro is Free for How-To Geek Readers (Time Limited!) HTG Explains: What’s a Solid State Drive and What Do I Need to Know? How to Get Amazing Color from Photos in Photoshop, GIMP, and Paint.NET Learn To Adjust Contrast Like a Pro in Photoshop, GIMP, and Paint.NET Have You Ever Wondered How Your Operating System Got Its Name? Lakeside Sunset in the Mountains [Wallpaper] Taskbar Meters Turn Your Taskbar into a System Resource Monitor Create Shortcuts for Your Favorite or Most Used Folders in Ubuntu Create Custom Sized Thumbnail Images with Simple Image Resizer [Cross-Platform] Etch a Circuit Board using a Simple Homemade Mixture Sync Blocker Stops iTunes from Automatically Syncing

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  • I can't upgrade 13.10 because of broken pipe

    - by user212179
    I try upgrading and this is what I get: christopher@chris-computer:~$ sudo apt-get upgrade [sudo] password for christopher: Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be upgraded: librhythmbox-core7 1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. Need to get 0 B/809 kB of archives. After this operation, 39.9 kB of additional disk space will be used. Do you want to continue [Y/n]? y (Reading database ... 170617 files and directories currently installed.) Preparing to replace librhythmbox-core7 2.99.1-0ubuntu1 (using .../librhythmbox-core7_3.0.1-0~13.10~ppa1_i386.deb) ... Unpacking replacement librhythmbox-core7 ... dpkg: error processing /var/cache/apt/archives/librhythmbox-core7_3.0.1-0~13.10~ppa1_i386.deb (--unpack): trying to overwrite '/usr/lib/librhythmbox-core.so.8.0.0', which is also in package librhythmbox-core8 3.0.1-1ubuntu2~ppa0 No apport report written because MaxReports is reached already dpkg-deb: error: subprocess paste was killed by signal (Broken pipe) Errors were encountered while processing: /var/cache/apt/archives/librhythmbox-core7_3.0.1-0~13.10~ppa1_i386.deb E: Sub-process /usr/bin/dpkg returned an error code (1)

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  • Flash Technology Can Revolutionize your IT Infrastructure

    - by kimberly.billings
    A recent article in the Data Center Journal written by Mark Teter outlines how flash is becoming a disruptive technology in the data center and how it will soon replace HDDs in the storage hierarchy. As Teter explains, the drivers behind this trend are lower cost/performance and power savings; flash is over 100x faster for reads than the fastest HDD, and while it is expensive, it can produce dramatic reductions in the cost of performance as measured in Input/Outputs per second (IOPS). What's more, flash consumes 1/5th the power of HDD, so it's faster AND greener. Teter writes, "when appropriately used, flash turns the current economics of IT performance on its head. That's disruptive." Exadata Smart Flash Cache in the Sun Oracle Database Machine makes intelligent use of flash storage to deliver extreme performance for OLTP and mixed workloads. It intelligently caches data from the Oracle Database replacing slow mechanical I/O operations to disk with very rapid flash memory operations. Exadata Smart Flash Cache is the fundamental technology of the Sun Oracle Database Machine that enables the processing of up to 1 million random I/O operations per second (IOPS), and the scanning of data within Exadata storage at up to 50 GB/second. Are you incorporating flash into your storage strategy? Let us know! Read more: "Flash technology can revolutionize your IT infrastructure", The Data Center Journal, March 30, 2010. Exadata Smart Flash Cache and the Sun Oracle Database Machine white paper var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); try { var pageTracker = _gat._getTracker("UA-13185312-1"); pageTracker._trackPageview(); } catch(err) {}

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  • iOS: Using Jenkins for nightly internal builds (TestFlight), plus frequent client builds

    - by Amy Worrall
    I'm an iOS dev, working for a small agency. I'm currently on a few smaller projects where I'm the only developer. We recently acquired a Jenkins server, but each project is left to fend for themselves as for how to use it. I'd like to use it for making and distributing builds. My ideal would be: Every commit is built as a single IPA that is placed in a HTTP-accessible location. (It only needs to keep the latest one, otherwise the disk would fill up — some of our apps are 500MB or more.) Once a day it makes a build, signs it with our internal provisioning profile, tacks a build number onto the end of the version number, and sends it to our internal TestFlight team. When manually prompted, it builds the latest commit, gives it a manually specified version number, signs it with the client's provisioning profile and sends it to TestFlight. I'm pretty new to Jenkins. The developer who set up the server is running it on one of our projects, so I know it has the right stuff installed to do Xcode builds. I believe he's only using it to run unit tests though, not to do any of the code signing, IPA creation or TestFlight stuff. So my questions: I've listed three distinct kinds of build. How does Jenkins cope with that? I see there's a "build triggers" section in the config for a Jenkins project, but it doesn't seem to mention different types of build. Should I just set up multiple Jenkins projects, called "App X (continuous)", "App X (nightly)" and "App X (client)"? How do I specify the provisioning profile through Jenkins? If there isn't a way, I guess I could make different configurations in the Xcode project… Has anyone else used Jenkins to actually do the release (i.e. build and push to TestFlight) of beta builds of their apps? Is it a good idea? Or should I continue just doing it manually?

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  • Fix Firefox Not Scrolling with Up/Down Arrow Keys or Home/End Keys

    - by The Geek
    If you’ve encountered a problem where your Firefox installation no longer scrolls when you use the up or down arrow keys, and even the Home or End keys don’t work anymore, there’s an easy fix. When this problem happens, you’ll notice that moving the arrow keys around just moves the cursor around the page. Annoying! The problem is because you tripped the Caret Browsing feature at some point, and accidentally hit Yes. To fix this, you can just hit the F7 key again. Or, if you want to do it the about:config way, filter by accessibility.browsewithcaret and make sure it’s set to false. Remember, you can double-click on any boolean value to toggle between true and false. Similar Articles Productive Geek Tips Keyboard Ninja: Scrolling the Windows Command Prompt With Only the KeyboardShow Shortcut Keys in ScreenTips in Visual Studio 2003Show Shortcut Keys in ScreenTips in Visual Studio 2005Future Date a Post in Windows Live WriterDisable the Irritating Sticky / Filter Keys Popup Dialogs TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips DVDFab 6 Revo Uninstaller Pro Registry Mechanic 9 for Windows PC Tools Internet Security Suite 2010 Need Help with Your Home Network? Awesome Lyrics Finder for Winamp & Windows Media Player Download Videos from Hulu Pixels invade Manhattan Convert PDF files to ePub to read on your iPad Hide Your Confidential Files Inside Images

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  • Why does integrity check fail for the 12.04.1 Alternate ISO?

    - by mghg
    I have followed various recommendations from the Ubuntu Documentation to create a bootable Ubuntu USB flash drive using the 12.04.1 Alternate install ISO-file for 64-bit PC. But the integrity test of the USB stick has failed and I do not see why. These are the steps I have made: Download of the 12.04.1 Alternate install ISO-file for 64-bit PC (ubuntu-12.04.1-alternate-amd64.iso) from http://releases.ubuntu.com/12.04.1/, as well as the MD5, SHA-1 and SHA-256 hash files and related PGP signatures Verification of the data integrity of the ISO-file using the MD5, SHA-1 and SHA-256 hash files, after having verified the hash files using the related PGP signature files (see e.g. https://help.ubuntu.com/community/HowToSHA256SUM and https://help.ubuntu.com/community/VerifyIsoHowto) Creation of a bootable USB stick using Ubuntu's Startup Disk Creator program (see http://www.ubuntu.com/download/help/create-a-usb-stick-on-ubuntu) Boot of my computer using the newly made 12.04.1 Alternate install on USB stick Selection of the option "Check disc for defects" (see https://help.ubuntu.com/community/Installation/CDIntegrityCheck) Steps 1, 2, 3 and 4 went without any problem or error messages. However, step 5 ended with an error message entitled "Integrity test failed" and with the following content: The ./install/netboot/ubuntu-installer/amd64/pxelinux.cfg/default file failed the MD5 checksum verification. Your CD-ROM or this file may have been corrupted. I have experienced the same (might only be similar since I have no exact notes) error message in previous attempts using the 12.04 (i.e. not the maintenance release) Alternate install ISO-file. I have in these cases tried to install anyway and have so far not experienced any problems to my knowledge. Is failed integrity check described above a serious error? What is the solution? Or can it be ignored without further problems?

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  • printable PHP manual - 'all but the Function Reference section'

    - by JW01
    My Motivation I find it easier to learn things by reading 'offline'. I'd like to lean back and read the narrative part of a paper version of the official php manual. My Scuppered Plan My plan was to download the manual, print all but the Function Reference section and then read it. I have downloaded the "Single HTML file" version of the manual from the php.net download page. (That version did not contain any images, so I patched-in the ones from the Many HTML files version with no problem.) My plan was to open that "Single HTML file" in an HTML editor, delete the Function Reference section then print it out. Unfortunately, although I have tried three different editors, I have not been able to successfully load-up that massive html file to be able to edit it. Its about (~40MB). I started to look into the phpdoc framework with a view to rendering my own html docs from the source...but that's a steep learning curve for a newby..and is a last resort. I would use a file splitter, but they tend to split files crudely with no regard for html/xml/xhtml sematics. So the question is... Does anyone know know where you can download the php manual in a version that is a kind of half-way house between the 'Single HTML file' and the 'Many HTML files'? Ideally with the docs split into 3 parts: File 1 - stuff before the function reference File 2 - function reference File 3 - stuff after the function reference Or Can you suggest any editors/tools will enable me to split up this file myself?

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  • What is the proper way to Windows 7/Ubuntu 10.10 Dual-Triple Boot Partitioning for Laptop OEM?

    - by Denja
    Hi Linux Community, I find my self struggling with the slowness of windows OS once again. It's Time to change with the Ubuntu 10.10 64bit for I like to use a faster Operating System. My Hard Disk laptop has a RECOVERY and HP_TOOLS partition they are both Primary. I Have the System Recovery DVD for Windows 64bit should anything bad happen. Here's the layout I used with windows before: * (C:) Windows 7 system partition NTFS - 284,89GB (Primary,ad Boot,Pagefile,Dump) * HP_TOOLS system partition FAT32 - 99MB (Primary) * (D:) RECOVERY partition NTFS - 12,90GB (Primary) * SYSTEM partition NTFS 199MB (Primary) Here's the layout I wanted to make: * (C:) Windows 7 system partition NTFS - 60GB (Primary) (sda1) * (D:) Windows DATA partition (user files) NTFS - 120GB(Primary)(sda2);wanna share with Linux * Linux root Ext4 - 10GB (Extended)(sda3) (Ubuntu 10.10 64bit) * Linux home Ext3 - 90GB (Extended)(sda4) (Ubuntu 10.10 64bit) * Linux swap swap- RAM size, 3GB (sda5) * Linux root Ext3- 18GB (Extended) (sda6) (OpenSuse or Puppy or kubuntu) Here is my New Ubuntu 10.10 64bit layout in use now: * SYSTEM partition NTFS 199MB (Primary) (sda1) * (C:) Windows 7 system partition NTFS - 90GB (Primary) (sda2) * (D:) Windows 7 RECOVERY partition NTFS - 12,90GB (Primary) (sda3) * Linux system partition EXTENDED - 195,1GB (Logical) * Linux root Ext4- 10GB (Extended) (sda4) * Linux swap swap- RAMx2 size, 6,1GB (sda5) * Linux home Ext3- 179GB (Extended) (sda6) When I installed Ubuntu,I didn't know if I could wipe all previous partitions,because of the RECOVERY partition. So I just made the space for my extended partition with GParted by deleting the HP_TOOLS (Fat32). By doing this I managed somehow to install Ubuntu 64 with Success. And I also made the partitions for the swap or a third Linux OS as Jordan suggested. But I couldn't actually make the partitions for the shared NTFS.(no option!) Question 1: What is the proper way to Windows 7/Ubuntu 10.10 Dual-Triple Boot Partitioning for Laptop OEM?? Thank you in advance for your advises and suggestions and Happy New Year to All!!

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  • The Legend of Zelda – 1980s High School Style [Video]

    - by Asian Angel
    What happens when you mix the Legend of Zelda with the 80s high school scene? Something fun and cheesy that makes you wish there really was a movie based on this! From YouTube: In this charming critically-acclaimed tale of first love, Link, an eternal optimist and adventurer, seeks to capture the heart of Zelda, an unattainable high school beauty and straight-A student. He surprises just about everyone-including himself-when she returns the sentiment. But the high school’s over-possessive, megalomaniacal Principal Ganondorf doesn’t approve and it’s going to take more than just the power of love to conquer all. The Legend of Zelda (1987) Trailer [via Geeks are Sexy] Latest Features How-To Geek ETC How To Remove People and Objects From Photographs In Photoshop Ask How-To Geek: How Can I Monitor My Bandwidth Usage? Internet Explorer 9 RC Now Available: Here’s the Most Interesting New Stuff Here’s a Super Simple Trick to Defeating Fake Anti-Virus Malware How to Change the Default Application for Android Tasks Stop Believing TV’s Lies: The Real Truth About "Enhancing" Images The Legend of Zelda – 1980s High School Style [Video] Suspended Sentence is a Free Cross-Platform Point and Click Game Build a Batman-Style Hidden Bust Switch Make Your Clock Creates a Custom Clock for your Android Homescreen Download the Anime Angels Theme for Windows 7 CyanogenMod Updates; Rolls out Android 2.3 to the Less Fortunate

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  • Surface RT: To Be Or Not To Be (Part 1)

    - by smehaffie
    So the Surface RT has been out for 9 months and Microsoft just declared a $900 million dollar write-down. So how did this happen and what does it mean for Microsoft’s efforts to break into the tablet market? I have been thinking a lot about most of the information below since the Surface product line was released. If you are looking for a “Microsoft Is Dead” story, then don’t read any further. But if you want an honest look at what I think led Microsoft to this point and what I think can be done to make Surface RT devices better, then please continue reading. What Led Microsoft To The $900 Million Write-Down Surface Unveiling:Microsoft totally missed the boat when they unveiled the Surface product line on June 18th, 2012. Microsoft should’ve been ready to post the specifications of both devices that night. Microsoft should’ve had a site up and running right after the event so people could pre-order the devices. This would have given them a good idea what the interest was in each device.  They could also have used this data to make a better estimate for the number of units to to have available for the launch and beyond.  They also lost out on taking advantage of the excitement generated by the Surface RT and Surface Pro announcement. They could have thrown in a free touch keyboard to anyone who pre-ordered. The advertising should have started right after the announcement and gotten bigger as launch day approached. Push for as many pre-order as possible and build excitement for the launch. Actual Launch (Surface RT): By this time all excitement was gone from the initial announcement, except for the Micorsoft faithful. Microsoft should have been ready to sell the Surface in as many markets as possible at launch. The limited market release was a real letdown for a lot of people.  A limited release right after the initial announce is understandable, but not at the official launch of the product. Microsoft overpriced the device and now they are lowering it to what it should have been to start with. The $349 price is within the range I suggested it should be at before pricing was announced. (Surface Tablets: The Price Must Be Right). Limited ordering options online was also a killer. User should have been able to buy the base unit of each device and then add on whatever keyboard they wanted to (this applies more to the Surface Pro).  There should have also been a place where users could order any additional add-ins that they wanted to buy (covers, extra power supplies, etc.) Marketing was better and the dancing “Click In” commercial was cool, but the ads comparing the iPad with Siri should have been on the air from day one of the announcement (or at least the launch).  Consumers want to know why you tablet is better, not just that is has a clickable keyboard and built-in kickstand. They could have also compared it to some of the other mid-range tablets if they had not overprices it to begin with. Stock Applications (Mail, People, Calendar, Music, Video, Reader and IE): This is where Microsoft really blew it. They had all the time in the world to make these applications the best of breed and instead we got applications that seemed thrown together.  Some updates have made these application better, but they are all still lacking in features that should have been there from day one. This did not help to enhance a new users experience any. ** I will admit that the applications that were data driven were first class citizen’s and that makes it even more perplexing why MS could knock it out of the park with the Weather, Travel, Finance, Bing, etc.) and fail so miserably on the core applications users would use the most on a tablet. Desktop on Tablet: The desktop just is so out of place on the tablet  I understand it was needed for Office but think it would have been better to not have the desktop in Windows RT, but instead open up the Office applications in full screen mode, in a desktop shell (same goes for  IE11).That way the user wouldn’t realize they are leaving Metro and going to the desktop. The other option would have been to just not include Office on Windows RT devices. Instead they could have made awesome Widows Store Apps for Word, Excel, OneNote and PowerPoint. In addition, they could have made the stock Mail, People, and Calendar applications contain all the functions that Outlook gives desktop users. Having some of the settings in desktop mode and others under “Change PC Settings” made Windows RT seemed unfinished and rushed to market. What Can Be Done To Make Windows RT Based Tablets Better (At least in my opinion) Either eliminate the desktop all together from Windows RT or at least make the user experience better by hiding the fact the user is running Office/IE in the desktop. Personally I ‘d like them to totally get rid of it and just make awesome Windows Store Application version of Word, Excel PowerPoint & OneNote.  This might also make the OS smaller and give the user more available disk space. I doubt there will ever be a Windows Store App versions of Office, but I still think it is a good idea. Make is so users can easily direct their documents, picture, videos and music to their extra storage and can access these files from the standard libraries.  A user should not have to create a VM on their microSD card or create symbolic links to get this to work properly. Most consumers would not be able to do this. Then users get frustrated when they run out or room on their main storage because nothing is automatically save to their microSD card when saved to libraries.  This is a major bug that needs to be fixed, otherwise Microsoft’s selling point of having a microSD slot is worthless. Allows users to uninstall and re-install any of the Office product that come with the Surface. That way people can free up storage space by uninstalling the Office applications they do not need. Everyone’s needs are different, so make the options flexible. Don’t take up storage space for applications the user will not use. Make the Core applications the “Cream of the Crop” Windows App Store applications. The should set the bar for all other Store applications. Improve performance as much as possible, if it seems to be sluggish on a tablet consumer will not buy it. They need to price the next line of Surface product very aggressive to undercut not only iPad but also Android low end tablets (Nook, Kindle Fire, and Nexus, etc.) Give developers incentives to write quality applications for the devices. Don’t reward developers for cranking out cookie cutter, low quality applications. I’d even suggest Microsoft consider implementing some new store certification guideline to stop these type of applications being published. Allow users to easily move the recover disk “partition between their microSD card and main storage. My Predictions for the Surface RT and Windows RT I honestly think even with all the missteps MS has made since the announcement  about the Surface product line, that they are on the right path. I was excited the Surface tablets when they were announced, and I still am. The truth be told, Windows 8 on a tablet (aka: Windows RT) is better than both iOS and Android. My nephew who is an Apple fan boy told me after he saw and used Windows 8 (he got the beta running on his iPad), that Windows 8 kicked Apples butt as a tablet OS. So there is hope for all Windows RT based tablets. I agree with my nephew and that is why whenever anyone asks me about my Surface, I love showing it off and recommend it. The 6 keys to gaining market share in the tablet market are; Aggressive pricing by both Microsoft and their OEM’s Good quality devices put out by Microsoft and their OEM’s (there are some out there, but not enough) Marketing, Marketing, Marketing from both Microsoft and their OEM’s (Need more ads showing why windows based tablets are better than iPads and Android tablets) Getting Widows tablets in retails stores all over, and giving sales people incentive to sell them. Consumers like to try electronics out before they buy them, and most will listen to what the sales person suggest. Microsoft needs sales people in retail stores directing people to buy windows based tablets over iPads and Android tablets. I think the Microsoft Stores within Best Buy is a good start, but they also need to get prominent displays in Walmart, Target, etc.. Release a smaller form factor Surface, Hopefully the 8”-10” next generation Surface is not a rumor. Make “Surface” the brand name for all Microsoft tablets and hybrid devices that they come out with. They cannot change the name with each new release.  Make Surface synonymous with quality, the same way that iPad  is for Apple. Well, that is my 2 cents on the subject. Let me know your thoughts by leaving a comment below. Soon to follow will be my thought on the Surface Pro, so keep an eye out for it. var addthis_pub="smehaffie"; var addthis_options="email, print, digg, slashdot, delicious, twitter, live, myspace, facebook, google, stumbleupon, newsvine";

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  • How do I re-install Unity after uninstalling gnome-shell?

    - by Florian
    I am using Ubuntu 14.04. I have big issues with the Unity desktop. I installed then uninstalled gnome-shell (using "apt-get autoremove --purge gnome-shell"). Since then, my desktop has no background and no icons. Plus, and this is the bothering part, unity is very unstable. On startup, there is a huge use of memory, much more than before. Sometimes, I also cannot minimize a window without having the desktop freezing and having to kill the process in question with tty1. I have tried to use : apt-get autoremove --purge ubuntu-desktop apt-get install ubuntu-desktop But it does not change a thing. I tried to update my video drivers but it is still the same. How can I reinstall the unity desktop thoroughly (obviously, something in its install is broken) ? If it is not possible, is it safe that I create a new partition on my disk where I will put my files and reinstall Ubuntu on the old partition (I do have a USB install of Ubuntu 14.04 but not enough space to save my files on it) ?

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  • not able to upgrade maas to 1.4?

    - by SaM
    I am running ubuntu 13.04 LTS, and maas version runnung is maas 1.3+bzr1470+dfsg-0+1474+175~ppa0~ubuntu13.04.1, so i'm trying to upgrade it to mass 1.4 but its failing, sam@xsmaas01:~$ sudo apt-get install maas [sudo] password for sam: Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be upgraded: maas 1 upgraded, 0 newly installed, 0 to remove and 87 not upgraded. 2 not fully installed or removed. Need to get 0 B/1,912 B of archives. After this operation, 1,024 B of additional disk space will be used. (Reading database ... 85268 files and directories currently installed.) Preparing to replace maas 1.3+bzr1470+dfsg-0+1474+175~ppa0~ubuntu13.04.1 (using .../maas_1.4+bzr1693+dfsg-0ubuntu2~ctools0_all.deb) ... Unpacking replacement maas ... Setting up maas-cluster-controller (1.4+bzr1693+dfsg-0ubuntu2~ctools0) ... ERROR: Module version does not exist! dpkg: error processing maas-cluster-controller (--configure): subprocess installed post-installation script returned error exit status 1 dpkg: dependency problems prevent configuration of maas: maas depends on maas-cluster-controller; however: Package maas-cluster-controller is not configured yet. dpkg: error processing maas (--configure): dependency problems - leaving unconfigured Errors were encountered while processing: maas-cluster-controller maas E: Sub-process /usr/bin/dpkg returned an error code (1) sam@maas01:~$ Can anyone help me with this?

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  • MySQL – Beginning Temporary Tables in MySQL

    - by Pinal Dave
    MySQL supports Temporary tables to store the resultsets temporarily for a given connection. Temporary tables are created with the keyword TEMPORARY along with the CREATE TABLE statement. Let us create the temporary table named Temp CREATE TEMPORARY TABLE TEMP (id INT); Now you can find out the column names using DESC command DESC TEMP; The above returns the following result This table can be accessed only for the current connection and it can be used like a permanent table and automatically dropped when the connection is closed. However, you can not find temporary tables using INFORMATION_SCHEMA. TABLES system view. It will only list out the permanent tables. MySQL usually stores the data of temporary tables in memory and processed by Memory Storage engine. But if the data size is too large MySQL automatically converts this to the on – disk table and use MyISAM engine. You can also create a permanent table with the same name of a temporary table in the same connection. However the structure of permanent table is visible only if the temporary table with the same name is dropped. Let us create a permanent table with the same name Temp as below CREATE TABLE TEMP (id INT, names VARCHAR(100)); Now running the following command stills gives you the structure of the temporary table temp created earlier. DESC TEMP; You can drop the temporary table using DROP TEMPORARY TABLE command; DROP TEMPORARY TABLE TEMP; After you executed the temporary table, run the following command DESC TEMP; Now you will see the structure of the permanent table named temp In summary – If there is a Temporary Table in MySQL it gets first priority over the permanent table in the session. Reference: Pinal Dave (http://blog.sqlauthority.com)Filed under: MySQL, PostADay, SQL, SQL Authority, SQL Query, SQL Tips and Tricks, T SQL

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  • The Worst of CES (Consumer Electronics Show) in 2011

    - by Justin Garrison
    This year, How-To Geek’s own Justin was on-site at the Consumer Electronics Show in Las Vegas, where every gadget manufacturer shows off their latest creations, and he was able to sit down and get hands-on with most of them. Here’s the ones that just didn’t make the cut. Make sure you also read our Best of CES 2011 post, where we cover the greatest gadgets that we found. Keep reading to take a look at the best of the worst products, that might have initially appeared good but showed their true colors after we spent some time with them Latest Features How-To Geek ETC HTG Projects: How to Create Your Own Custom Papercraft Toy How to Combine Rescue Disks to Create the Ultimate Windows Repair Disk What is Camera Raw, and Why Would a Professional Prefer it to JPG? The How-To Geek Guide to Audio Editing: The Basics How To Boot 10 Different Live CDs From 1 USB Flash Drive The 20 Best How-To Geek Linux Articles of 2010 Arctic Theme for Windows 7 Gives Your Desktop an Icy Touch Install LibreOffice via PPA and Receive Auto-Updates in Ubuntu Creative Portraits Peek Inside the Guts of Modern Electronics Scenic Winter Lane Wallpaper to Create a Relaxing Mood Access Your Web Apps Directly Using the Context Menu in Chrome The Deep – Awesome Use of Metal Objects as Deep Sea Creatures [Video]

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  • Silverlight Cream for May 01, 2010 -- #853

    - by Dave Campbell
    In this Issue: Damian Schenkelman, Rob Eisenberg, Sergey Barskiy, Victor Gaudioso, CorrinaB, Mike Snow, and Adam Kinney. From SilverlightCream.com: Prism’s future: Trying to summarize things Damian Schenkelman collected links to the latest Prism information to provide a reference post, including discussing WP7. MVVM Study - Interlude Rob Eisenberg discusses MVVM - it's beginnings and links out to all the major players old and new. Windows Phone 7 Database Here we go... Sergey Barskiy converted his Silverlight database project to WP7, and it's available on CodePlex... cool! New Silverlight Video Tutorial: How to Save an Image in Your Silverlight Applications Victor Gaudioso has a new video tutorial up... demonstrating saving an image from Silverlight to your hard disk. He also has the source files for download. Enforce Design Guidelines With Styles And Behaviors CorrinaB has a post up discussing attaching behaviors in styles. She has a couple good examples and a sample project to download. Silverlight Tip of the Day #9 – Obtaining Your clients IP Address Mike Snow has Tip number 9 up and he's explaining how to find the client IP address even though it's not natively available from Silverlight or jscript. Expression Blend 4 for Windows Phone in 90 seconds Adam Kinney talks about the release of a new version of the Expression Blend add-in for WP7. He's got links and instructions for removing and upgrading. Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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