Read Error in LibreOffice

If you cannot open the LibreOffice document due to read error as the picture below

Un-install LibreOffice version 3.4 and install LibreOffice 3.5 will solve the problem. I got this problem when saved a file in LibreOffice 3.5 in Mac and attemped to open it in Ubuntu.

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Visual Studio 2010 Keyboard Shortcuts

These keyboard shortcuts are helpful. Some of them are not document in Visual Studio 2010 Express, for example: <Ctrl> F5 to run the application without debug <Ctrl> Period or <Ctrl> Space for code completion. <Ctr> <Shift> <B> to build the solution For more download the Visual Studio 2010 Keybinding Posters from Microsoft. Credit: Visual Studio 2010 Keyboard Shortcuts - ScottGu's Blog DevCurry: 30 Favorite Visual Studio Keyboard Shortcuts

Install Android Development Tools on Ubuntu 12.10 (Quantal Quetzal)

First thing first. Make sure Java Development Kit (JDK) install. Go to Terminal and type 'Java -version' to check. You should see the following: java version "1.7.0_07" OpenJDK Runtime Environment (IcedTea7 2.3.2) (7u7-2.3.2a-1ubuntu1) OpenJDK Server VM (build 23.2-b09, mixed mode) If Java Development Kit is not installed, you can install it from Ubuntu Software Center. Click on Ubuntu Software Center icon from left side bar and search for Java. Here, I selected 'OpenJava JDK 7 runtime' Go to http://www.eclipse.org/downloads/ to download Eclipse Classic 4.2.1 (Juno) Go to your downloads folder and extract it. Move 'eclipse' folder to your home directory. Launch Eclipse 4.2.1 (Juno) from 'eclipse' folder. Install Android Developer Tools (ADT) plugin for Eclipse. Click on Help -> Install New Software and add the URL 'https://dl-ssl.google.com/android/eclipse/' on the input text box next to 'Work with' and click the 'Add

ASP.NET Questions and Answers - Part 2

How can we prevent browser from caching an ASPX page? Use the SetNoStore method of the HttpCachePolicy class to direct the client not to store the responses in its history. See http://msdn.microsoft.com/en-us/library/system.web.httpcachepolicy.setnostore.aspx In which event are the controls fully loaded? On Load event. ( http://msdn.microsoft.com/en-us/library/system.web.ui.page(v=vs.100).aspx ) The Page object calls the OnLoad method on the Page object, and then recursively does the same for each child control until the page and all controls are loaded. The Load event of individual controls occurs after the Load event of the page. Use the OnLoad event method to set properties in controls and to establish database connections. (http://msdn.microsoft.com/en-us/library/ms178472(v=vs.100).aspx ) How we can force all the validation controls to run? Using Page.Validate() method to instructs any validation controls included on the page to validate their assigned information. Read more at h

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