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• Hovering Div Shows a Hidden Div - Prototype

  - by phil

  I have three divs set up in the following way: <div class="outer-div"> <div class="inner1"></div> <div class="inner2" style="display:none;"></div> </div> I have the second inner div hidden via the inline style. What I am trying to accomplish is that when the outer div, or basically any of the content is hovered over then the inner2 would appear. I am unfamilar with Prototype and having a terrible time trying to get my head around it. Missing jQuery but this time around Prototype is totally required. Thanks in advance for any help!!

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• Dropdown menu getting hidden by images

  - by Bob

  I have a set of dropdown menus across the top of a web page. Below is text and some images. When I hover over the top of each menu the menu then expands below as expected but while it overlaps any text on the page it is hidden behind any images. I set the z-index to 9999 and the position is set to absolute. I found if I lower the opacity of the images to say 0.6 then the menu will overlap it. So one solution would be to detect when the menu is being hovered over and then in JavaScript or JQuery temporarily reduce the opacity of the rest of the page until the cursor moves off the menu. If so I'm not sure how to do that but is that the best approach?

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• what service to restart for /var/log/auth.log to start

  - by Bond

  Here is a situation since the log files on my server had grown to several Gigabytes I took a backup of directory /var/log and then manually when to each subdirectory of /var/log and the files which were big in size I did cat > /var/log/file_which_is_big press 2 times enter key (basically over wrote those files with a blank space) and then Ctrl+C So basically I over wrote those files to be blank. Now when I open /var/log/auth.log I don't see any entry (which is expected also since I over wrote) but when I exit the SSH session and login again then also I do not see any entry in auth.log is there any way other than rebooting the machine to make sure I keep getting the entries in /var/log/auth.log I am not sure which service writes in this file. This is a Ubuntu 10.04 server.

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• Incremental backups from Rackspace Cloud Files to Amazon Glacier

  - by Martin Wilson

  Is there a software product/module (open-source or commercial) that can provide incremental backups from Rackspace Cloud Files to Amazon Glacier? We are looking for something that will provide the following functionality (or achieve the same result, i.e. a cost-effective backup strategy for files stored in Rackspace Cloud Files): Work out which files have been added to or modified in a Rackspace Cloud account (since the last backup). Create a ZIP (or similar) of these files and store them in Amazon Glacier. Keep a record of which files are in which ZIPs. Ideally, restore either a single file or all files from Glacier back into Rackspace.

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• Local links ( in browsers ) on *nix systems

  - by meder

  On Windows I can access files directly from the browser ( or at least I have it configured currently, forget if it was native like this ) with the file:// protocol, so I can access files from say the C drive. I'm wondering what the equivalent would be to accessing my files from the browser, if at all possible on a *nix system such as Debian.

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• Move files and resize partition automatically?

  - by Rob

  I'm in a bit of an odd situation. I've recently been working on switching from debian to arch, and I've got my home partition for both pointing to the same partition (different usernames, so that's not an issue). What I want to do is one of two things, either: Set up user on arch with same username and group as debian, and have everything just sort of work! OR Move files I'd like to share between home folders to their own partition, and mount it with fstab. For the second one, I have around 150gb of files that would need moved to their own partition, and i've got about 15gb of free space on my home partition. So what I'd want to do is somehow make a 10gb ext4 partition, move 10gb-ish of files, expand the partition again, move files again, etc until all the files are moved to their own partition. I can do it manually, but it'd be easier if I could say "Move 10GB-ish of files from here to there, and then resize it and repeat until I'm out of files". Is that even possible?

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• Windows 7 offline files - work temporarily offline even if network connection works

  - by Robert

  Sometimes I am connected via VPN to a network containing the server where files are stored which are cached by Windows offline files feature. Sometimes the connection works good and working this way is not a problem - on other times working is quite a pain because of high latency when working with the files in the Windows explorer. Is there an interactive way how a user (with admin permissions) can temporary suspend online usage of offline files? I already activated the "Transparent caching" group policy feature (Computer Configuration Policies Administrative Templates Networks Offline Files) with a network latency of 200msec but from my experience even if I get ping times to the file server of less than 40msec online usage is quite tenacious. Setting low latency times at this point causes the offline files often to toggle which makes problems with some applications working with several files and requires them to be consistent (like SVN client).

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• How to make FileZilla open all the required files with one click

  - by Omar Tariq

  Is there any way of configuring FileZilla so that I can open all the files on a server that I use to edit with just one click. For example if the files are like this: /home/abc/def/one.txt /home/abc/def/yet/another/directory/two.txt /home/abc/def/ghi/yet/another/directory/three.txt Then it is very time-consuming to navigate through each directory and open the required files. These are only 3 files but what if we have around 10 to 20 files? Yes, copying the path of the directories is one thing. But something that is built-in so that I can just click a button like open all the required files of this connection and it opens all the files in the editor (as set in FileZilla preferences) then that would be great!

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• What is stored in %Windir%\System32\LogFiles\WMI\RtBackup?

  - by Helge Klein

  I occasionally notice in Resource Monitor hard disk activity related to ETL files in the folder C:\Windows\System32\LogFiles\WMI\RtBackup. Which process/service creates these ETL files and what is their purpose? Resource Monitor shows "System" as the process which is correct since ETW traces (that is what ETL files are) are created by the kernel. But I am interested in the process that causes the traces to be created. This happens on Windows 7, by the way.

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• How to compare mp3, flac audio data in a file, ignoring header data (ID3 tag) etc.?

  - by Rob

  I've backed up some audio files up in 2 places and added ID3 tags into one backup but not the other, since time has passed my own memory has faded on whether the backups are actually the same, but now one has ID3 data and the other doesn't, basic binary compare will fail and inspection will be cumbersome. Is there a tool to compare just the audio data (not the header, ID3) in mp3s, flac files, and other files using header data such as ID3. started a thread on beyond compare here: http://www.scootersoftware.com/vbulletin/showthread.php?t=7413 would consider other comparison software that does this task

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• Why can't gif images copy at a reasonable speed on this dell laptop with XP?

  - by alt234

  I've got this somewhat old Dell Latitude D810. Strangest thing... If I try to copy anything that has gif files in it the gif files take forever. Like a few minutes per gif regardless of size. Everything else copies fine. I notice this when copying files off our network, copying off multiple external drives, and even when files are copying during an installation process. I'm on Windows XP Pro service pack 3. I've never seen anything like this before. Anyone else?

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• Linux: don't use file system cache under a directory

  - by GetFree

  For a PHP website I'm monitoring, I need to see what files are being used each time the browser makes a request. I thought of using find . -type f -amin 1. With that I get all files which were read in the last minute (it's a developing server so only I am using the website). I took care of removing the noatime attribute from the mounting point. However there must be something else that's preventing the kernel from reading the actual files on disk because the access time is not being updated when I read a file. I guess it must be the file-system cache which is retrieving the files from memory. Is there a way to disable file caching under a specific directory? (public_html in my case) Also I read somewhere that there is the nobh mounting atributes which apparently disables file caching under that mounting point, but I'm not sure.

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• Transparently cache files from a network drive in Linux

  - by Vadim

  We have a Linux server that reads files from a network drive and processes them. In a common scenario, a user will log in and access the same files over and over again. The size of the files varies but the larger ones can be around 50+ Mb. The files seldom change. I was wondering if it's somehow possible to transparently cache the files. I don't want (or can) change the program the reads the files, nor do I control the protocol by which the files are accessed. I just want something to detect that I access a certain path, copy the file locally (if needed) and then read the file from the local drive. I've read about Bcache but can't figure out if it's what I need. Do you have any suggestions? Thanks, Vadim.

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• IIS7 doesn't monitor changes across symlinks

  - by Matt Hensley

  I've used the mklink utility to create a symlink to a directory of web content. IIS7 doesn't "see" changes any classic ASP files in this linked directory without issuing an iisreset. I've disabled caching and file changes are picked up on other static files (such as .html) but .asp files are ignored.

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• Moving files with batch files from one pc to a server, to a another pc - worried about disk corruption

  - by AnchientAnt

  I use scheduled tasks that calls a batch file, that calls more batch files to move about three files from a pc, to a server, then to multiple other pcs. It all happens very quickly, as they are small files. Are there any pitfalls for how fast these transfers happen? I'm just mildly concerned about causing some disk corruption somehow. I use logic like 1. Call MapToPc if files exist then move file to folder on server. Disconnect 2. Call SendtoPCs If files exist (the files just moved to the server) then MapToPCs Move all files Disconnect All of this happens in about 2 secs or less. edit: this on windows 7, server 2003, xp respectively

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• Recover deleted files on windows 2008 file server

  - by aniga

  We have recently been hit by a weird virus which made all files and folders a system files/folders and also it hid all files and folders par some weird ones it created including: ..exe porn.exe secret.exe password.exe etc We have managed to restore the files with attrib command to unhide and unmark them as system files however we have noticed that we are missing some 4 to 5 folders of which (based on my luck) 2 of them are the two most important client we have. I am not sure if these files were deleted by the worm/virus or by my colleagues who are not owning up to them but the files are now gone. Worst of all, we do not have any backup what so ever (Yes I know, we should not have done that but it is a lesson learned and since last night we have created two forms of backup systems one to external device and one on the cloud, but I doubt any of that will help us now) We have 1 Windows 2008 File server and 4 client computers based on Windows 2007. I would be grateful if anyone can help us on how we can recover from this disaster which could potentially put us out of business.

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• OpenFilesView Displays All Open and Locked Files to Help Resolve In-Use Errors

  - by Jason Fitzpatrick

  Windows: You go to move a file and Windows throws up an “In Use” error. OpenFilesView shows you what application or system process is locking up the files you’re trying to move. Sometimes the culprit is obvious; if you go to move your media folder and you’ve got your media player open watching South Park then shutting down the media player is the obvious solution. Other times the culprit is less obvious; sometimes Windows processes and less-than-obvious applications are accessing your files in ways that aren’t apparent. The screenshot below showcases the “In Use” error: This is where OpenFilesView comes into play. Fire up the application to see a list of all active files on your system. The master list is a bit overwhelming (on our test system there were over 1200 open files) but you use the find command to drill down to specific file or folder names. Once you’ve found the locked file you can close the file handle, kill the process, or bring the process to the front (so you can examine the program, if possible, before terminating it). It’s much more efficient than rebooting in an attempt to shake the In-Use error. OpenFilesView is freeware and works on Windows XP through Windows 7. HTG Explains: Do You Really Need to Defrag Your PC? Use Amazon’s Barcode Scanner to Easily Buy Anything from Your Phone How To Migrate Windows 7 to a Solid State Drive

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• Extract High Quality Icons from Files Using a Free Tool

  - by Lori Kaufman

  If you need to extract an icon from a program file or other type of file (such as .dll files), there are many free tools available that make the task easy. However, very few will extract high quality icon images from the files. Most free icon extraction tools will extract smaller icon image sizes, such as 16×16, 32×32, or 48×48 pixels. Some icons come in larger sizes, such as icons used in Windows. There is a free, small utility, called BeCyIconGrabber, that allows you to view and save icons and cursors of any size contained in .exe, .dll, .icl, .ocx, .cpl, .src, .ico, and .cur files. You can save the extracted icons individually as a .png file, .bmp file, .ico file, or .cur file, or in groups within resource libraries, i.e., .dll or .icl files. BeCyIconGrabber can be downloaded as an installable file or as a portable executable that does not need to be installed. We downloaded the portable file. How To Properly Scan a Photograph (And Get An Even Better Image) The HTG Guide to Hiding Your Data in a TrueCrypt Hidden Volume Make Your Own Windows 8 Start Button with Zero Memory Usage

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• How do I stop XNA/Visual Studio from rebuilding my content project every time I build?

  - by Phil Quinn

  My group and I are working on a game in XNA 4.0 with Visual Studio 2010/2012. The main solution has 6 projects: 2 XNA game projects (1 executable/ 1 class library), 1 WPF executable for the level editor, 2 standard class libraries, and a content project. Originally, the editor and engine XNA game projects had a content reference to separate content projects. Recently, I consolidated the content projects into one to simplify asset additions. Since pushing these changes to our git repo, certain members of my group have been experiencing weird build issues. Every time they run the project, they have to re-build all of the assets. This happens regardless of whether any changes were made, even if they just run the project directly after building. I've taken a few steps to figure out why this is happening. Below is the MSBuild output set on Normal verbosity. The seemingly important part is at 4, with the line 4> Rebuilding all content because build settings have changed 1>------ Build started: Project: Engine.Core, Configuration: Debug x86 ------ 1>Build started 11/29/2012 3:24:24 AM. 1>ResolveAssemblyReferences: 1> A TargetFramework profile exclusion list will be generated. 1>EmbedXnaFrameworkRuntimeProfile: 1>Skipping target "EmbedXnaFrameworkRuntimeProfile" because all output files are up-to-date with respect to the input files. 1>GenerateTargetFrameworkMonikerAttribute: 1>Skipping target "GenerateTargetFrameworkMonikerAttribute" because all output files are up-to-date with respect to the input files. 1>CoreCompile: 1>Skipping target "CoreCompile" because all output files are up-to-date with respect to the input files. 1>XnaWriteCacheFile: 1>Skipping target "XnaWriteCacheFile" because all output files are up-to-date with respect to the input files. 1>_CopyOutOfDateSourceItemsToOutputDirectoryAlways: 1> Copying file from "<solution-dir>\src\Engine.Core\DialoguePrototypeTestDB.s3db" to "bin\x86\Debug\DialoguePrototypeTestDB.s3db". 1>_CopyAppConfigFile: 1>Skipping target "_CopyAppConfigFile" because all output files are up-to-date with respect to the input files. 1>CopyFilesToOutputDirectory: 1> Engine.Core -> <solution-dir>\src\Engine.Core\bin\x86\Debug\TimeSink.Engine.Core.dll 1> 1>Build succeeded. 1> 1>Time Elapsed 00:00:00.13 2>------ Build started: Project: TimeSink.Entities, Configuration: Debug x86 ------ 2>Build started 11/29/2012 3:24:25 AM. 2>ResolveAssemblyReferences: 2> A TargetFramework profile exclusion list will be generated. 2>EmbedXnaFrameworkRuntimeProfile: 2>Skipping target "EmbedXnaFrameworkRuntimeProfile" because all output files are up-to-date with respect to the input files. 2>GenerateTargetFrameworkMonikerAttribute: 2>Skipping target "GenerateTargetFrameworkMonikerAttribute" because all output files are up-to-date with respect to the input files. 2>CoreCompile: 2>Skipping target "CoreCompile" because all output files are up-to-date with respect to the input files. 2>XnaWriteCacheFile: 2>Skipping target "XnaWriteCacheFile" because all output files are up-to-date with respect to the input files. 2>_CopyOutOfDateSourceItemsToOutputDirectoryAlways: 2> Copying file from "<solution-dir>\src\Engine.Core\DialoguePrototypeTestDB.s3db" to "bin\x86\Debug\DialoguePrototypeTestDB.s3db". 2>CopyFilesToOutputDirectory: 2> TimeSink.Entities -> <solution-dir>\src\TimeSink.Entities\bin\x86\Debug\TimeSink.Entities.dll 2> 2>Build succeeded. 2> 2>Time Elapsed 00:00:00.11 3>------ Build started: Project: Editor (Editor\Editor), Configuration: Debug x86 ------ 4>------ Build started: Project: Engine.Game, Configuration: Debug x86 ------ 3>Build started 11/29/2012 3:24:25 AM. 3>CoreCompile: 3> All content is already up to date 3>ResolveAssemblyReferences: 3> A TargetFramework profile exclusion list will be generated. 3>EmbedXnaFrameworkRuntimeProfile: 3>Skipping target "EmbedXnaFrameworkRuntimeProfile" because all output files are up-to-date with respect to the input files. 3>GenerateTargetFrameworkMonikerAttribute: 3>Skipping target "GenerateTargetFrameworkMonikerAttribute" because all output files are up-to-date with respect to the input files. 3>CoreCompile: 3>Skipping target "CoreCompile" because all output files are up-to-date with respect to the input files. 3>XnaWriteCacheFile: 3>Skipping target "XnaWriteCacheFile" because all output files are up-to-date with respect to the input files. 3>_CopyOutOfDateSourceItemsToOutputDirectoryAlways: 3> Copying file from "<solution-dir>\src\Engine.Core\DialoguePrototypeTestDB.s3db" to "bin\x86\Debug\DialoguePrototypeTestDB.s3db". 3>_CopyOutOfDateNestedContentItemsToOutputDirectory: 3>Skipping target "_CopyOutOfDateNestedContentItemsToOutputDirectory" because all output files are up-to-date with respect to the input files. 3>CopyFilesToOutputDirectory: 3> Editor -> <solution-dir>\src\Editor\Editor\bin\x86\Debug\Editor.dll 3> 3>Build succeeded. 3> 3>Time Elapsed 00:00:00.39 4>Build started 11/29/2012 3:24:25 AM. 4>CoreCompile: 4> Rebuilding all content because build settings have changed 4> Building Textures\circle.png -> <solution-dir>\src\Engine.Game\Engine.Game\bin\x86\Debug\Content\Textures\circle.xnb 4> Importing Textures\circle.png with Microsoft.Xna.Framework.Content.Pipeline.TextureImporter 4> Processing Textures\circle.png with Microsoft.Xna.Framework.Content.Pipeline.Processors.TextureProcessor 4> Compiling <solution-dir>\src\Engine.Game\Engine.Game\bin\x86\Debug\Content\Textures\circle.xnb 4> Building Textures\giroux.png -> <solution-dir>\src\Engine.Game\Engine.Game\bin\x86\Debug\Content\Textures\giroux.xnb 4> Importing Textures\giroux.png with Microsoft.Xna.Framework.Content.Pipeline.TextureImporter 4> Processing Textures\giroux.png with Microsoft.Xna.Framework.Content.Pipeline.Processors.TextureProcessor 4> Compiling <solution-dir>\src\Engine.Game\Engine.Game\bin\x86\Debug\Content\Textures\giroux.xnb 4> Building Textures\Body_Neutral.png -> <solution-dir>\src\Engine.Game\Engine.Game\bin\x86\Debug\Content\Textures\Body_Neutral.xnb 4> Importing Textures\Body_Neutral.png with Microsoft.Xna.Framework.Content.Pipeline.TextureImporter 4> Processing Textures\Body_Neutral.png with Microsoft.Xna.Framework.Content.Pipeline.Processors.TextureProcessor 4> Compiling <solution-dir>\src\Engine.Game\Engine.Game\bin\x86\Debug\Content\Textures\Body_Neutral.xnb 4> Building font.spritefont -> <solution-dir>\src\Engine.Game\Engine.Game\bin\x86\Debug\Content\font.xnb 4> Importing font.spritefont with Microsoft.Xna.Framework.Content.Pipeline.FontDescriptionImporter 4> Processing font.spritefont with Microsoft.Xna.Framework.Content.Pipeline.Processors.FontDescriptionProcessor 4> Compiling <solution-dir>\src\Engine.Game\Engine.Game\bin\x86\Debug\Content\font.xnb 4>ResolveAssemblyReferences: 4> A TargetFramework profile exclusion list will be generated. 4>EmbedXnaFrameworkRuntimeProfile: 4>Skipping target "EmbedXnaFrameworkRuntimeProfile" because all output files are up-to-date with respect to the input files. 4>GenerateTargetFrameworkMonikerAttribute: 4>Skipping target "GenerateTargetFrameworkMonikerAttribute" because all output files are up-to-date with respect to the input files. 4>CoreCompile: 4>Skipping target "CoreCompile" because all output files are up-to-date with respect to the input files. 4>_CopyOutOfDateSourceItemsToOutputDirectoryAlways: 4> Copying file from "<solution-dir>\src\Engine.Core\DialoguePrototypeTestDB.s3db" to "bin\x86\Debug\DialoguePrototypeTestDB.s3db". 4>_CopyOutOfDateNestedContentItemsToOutputDirectory: 4>Skipping target "_CopyOutOfDateNestedContentItemsToOutputDirectory" because all output files are up-to-date with respect to the input files. 4>_CopyAppConfigFile: 4>Skipping target "_CopyAppConfigFile" because all output files are up-to-date with respect to the input files. 4>CopyFilesToOutputDirectory: 4> Engine.Game -> <solution-dir>\src\Engine.Game\Engine.Game\bin\x86\Debug\Engine.Game.exe 4>IncrementalClean: 4> Deleting file "<solution-dir>\src\Engine.Game\Engine.Game\bin\x86\Debug\circle.xnb". 4> Deleting file "<solution-dir>\src\Engine.Game\Engine.Game\bin\x86\Debug\giroux.xnb". 4> Deleting file "<solution-dir>\src\Engine.Game\Engine.Game\bin\x86\Debug\Body_Neutral.xnb". 4> Deleting file "<solution-dir>\src\Engine.Game\Engine.Game\bin\x86\Debug\font.xnb". 4> 4>Build succeeded. 4> 4>Time Elapsed 00:00:01.72 ========== Build: 4 succeeded, 0 failed, 1 up-to-date, 0 skipped ========== I can't think of how build settings could change between consecutive executions. Like I said, this only happens for half our group. One member is on a 32-bit Windows 7 Prof bootcamp partition on a Mac. Everyone else, including those who don't have the issue, are running straight 64-bit Windows 7 Prof. Both have tried using VS 2010 and VS 2012. Any insight would be greatly appreciated. Also, I can post more details upon request if this isn't thorough enough.

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• Windows Live SkyDrive: How To Move or Copy Files Between Folders

  - by Gopinath

  Microsoft has very simple and easy to use interface to move files between folders in Windows Operating system. But their own cloud storage service,Windows Live SkyDrive, complicated these simple and daily used operations. We need a guide to figure out how to perform basic copy/move operations. Couple of years ago we wrote about moving files between folders in old version of SkyDrive but the guide does not hold good today as SkyDrive has gone through many user interface changes in the recent past. Today one of our readers asked us how to move/copy files in the latest version of SkyDrive and here are the steps to be followed 1. Login to your Windows Live SkyDrive 2. Select the file you want to Move or Copy by clicking on the information icon (see 2 in below image) 3. After selecting the information icon, expand Information section displayed on the right side panel to access Move and Copy options (see 3 in the below image). 4. To move the selected file to another folder, select Move option and Sky Drive will guide you through folder selection user interface for choosing the target folder. 5. Once you navigate to the target folder where you want to move the file click on “Move this file into <<Target Folder>>”. 6. You are done. Dear Microsoft, SkyDrive provides us tonnes of free storage but please make it’s user interface a bit better so that we don’t need to write guides to perform basic operations. Hope you listen to your customers. This article titled,Windows Live SkyDrive: How To Move or Copy Files Between Folders, was originally published at Tech Dreams. Grab our rss feed or fan us on Facebook to get updates from us.

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• Save Files Directly from Your Browser to the Cloud in Chrome and Iron

  - by Asian Angel

  Are you looking for a quicker, easier way to upload files you find while browsing to your favorite cloud services? Skip saving files to your hard-drive and transfer them directly from your browser to your accounts using the Cloud Save extension. You can see the cloud services currently supported in the screenshot above and more are being added all the time. So if your favorite is not listed yet just keep checking in at the extension’s homepage. Cloud Save [Google Chrome Extensions] Latest Features How-To Geek ETC 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? Should You Delete Windows 7 Service Pack Backup Files to Save Space? What Can Super Mario Teach Us About Graphics Technology? Windows 7 Service Pack 1 is Released: But Should You Install It? Save Files Directly from Your Browser to the Cloud in Chrome and Iron The Steve Jobs Chronicles – Charlie and the Apple Factory [Video] Google Chrome Updates; Faster, Cleaner Menus, Encrypted Password Syncing, and More Glowing Chess Set Combines LEDs, Chess, and DIY Electronics Fun Peaceful Alpine River on a Sunny Day [Wallpaper] Fast Society Creates Mini and Mobile Temporary Social Networks

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• Using OData to get Mix10 files

  - by Jon Dalberg

  There has been a lot of talk around OData lately (go to odata.org for more information) and I wanted to get all the videos from Mix ‘10: two great tastes that taste great together. Luckily, Mix has exposed the ‘10 sessions via OData at http://api.visitmix.com/OData.svc, now all I have to do is slap together a bit of code to fetch the videos. Step 1 (cut a hole in the box) Create a new console application and add a new service reference. Step 2 (put your junk in the box) Write a smidgen of code: 1: static void Main(string[] args) 2: { 3: var mix = new Mix.EventEntities(new Uri("http://api.visitmix.com/OData.svc")); 4:   5: var files = from f in mix.Files 6: where f.TypeName == "WMV" 7: select f; 8:   9: var web = new WebClient(); 10: 11: var myVideos = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyVideos), "Mix10"); 12:   13: Directory.CreateDirectory(myVideos); 14:   15: files.ToList().ForEach(f => { 16: var fileName = new Uri(f.Url).Segments.Last(); 17: Console.WriteLine(f.Url); 18: web.DownloadFile(f.Url, Path.Combine(myVideos, fileName)); 19: }); 20: } Step 3 (have her open the box) Compile and run. As you can see, the client reference created for the OData service handles almost everything for me. Yeah, I know there is some batch file to download the files, but it relies on cUrl being on the machine – and I wanted an excuse to work with an OData service. Enjoy!

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• String patterns that can be used to filter and group files

  - by Louis Rhys

  One of our application filters files in certain directory, extract some data from it and export a document from the extracted data. The algorithm for extracting the data depends on the file, and so far we use regex to select the algorithm to be used, for example .*\.txt will be processed by algorithm A, foo[0-5]\.xml will be processed by algo B, etc. However now we need some files to be processed together. For example, in one case we need two files, foo.*\.xml and bar.*\.xml. Part of the information to be extracted exist in the foo file, and the other part in the bar file. Moreover, we need to make sure the wild card is compatible. For example, if there are 6 files foo1.xml foo23.xml bar1.xml bar9.xml bar23.xml foo4.xml I would expect foo1 and bar1 to be identified as a group, and foo23 and bar23 as another group. bar9 and foo4 has no pair, so they will not be treated. Now, since the filter is configured by user, we need to have a pattern that can express the above requirement. I don't think you can express meaning like above in standard regex. (foo|bar).*\.xml will match all 6 file above and we can't identify which file is paired for a particular file. Is there any standard pattern that can express it? Or any idea how to modify regex to support this, that can be implemented easily?

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• ODI 11g – Faster Files

  - by David Allan

  Deep in the trenches of ODI development I raised my head above the parapet to read a few odds and ends and then think why don’t they know this? Such as this article here – in the past customers (see forum) were told to use a staging route which has a big overhead for large files. This KM is an example of the great extensibility capabilities of ODI, its quite simple, just a new KM that; improves the out of the box experience – just build the mapping and the appropriate KM is used improves out of the box performance for file to file data movement. This improvement for out of the box handling for File to File data integration cases (from the 11.1.1.5.2 companion CD and on) dramatically speeds up the file integration handling. In the past I had seem some consultants write perl versions of the file to file integration case, now Oracle ships this KM to fill the gap. You can find the documentation for the IKM here. The KM uses pure java to perform the integration, using java.io classes to read and write the file in a pipe – it uses java threading in order to super-charge the file processing, and can process several source files at once when the datastore's resource name contains a wildcard. This is a big step for regular file processing on the way to super-charging big data files using Hadoop – the KM works with the lightweight agent and regular filesystems. So in my design below transforming a bunch of files, by default the IKM File to File (Java) knowledge module was assigned. I pointed the KM at my JDK (since the KM generates and compiles java), and I also increased the thread count to 2, to take advantage of my 2 processors. For my illustration I transformed (can also filter if desired) and moved about 1.3Gb with 2 threads in 140 seconds (with a single thread it took 220 seconds) - by no means was this on any super computer by the way. The great thing here is that it worked well out of the box from the design to the execution without any funky configuration, plus, and a big plus it was much faster than before, So if you are doing any file to file transformations, check it out!

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• ODI 11g - Faster Files

  - by David Allan

  Deep in the trenches of ODI development I raised my head above the parapet to read a few odds and ends and then think why don’t they know this? Such as this article here – in the past customers (see forum) were told to use a staging route which has a big overhead for large files. This KM is an example of the great extensibility capabilities of ODI, its quite simple, just a new KM that; improves the out of the box experience – just build the mapping and the appropriate KM is used improves out of the box performance for file to file data movement. This improvement for out of the box handling for File to File data integration cases (from the 11.1.1.5.2 companion CD and on) dramatically speeds up the file integration handling. In the past I had seem some consultants write perl versions of the file to file integration case, now Oracle ships this KM to fill the gap. You can find the documentation for the IKM here. The KM uses pure java to perform the integration, using java.io classes to read and write the file in a pipe – it uses java threading in order to super-charge the file processing, and can process several source files at once when the datastore's resource name contains a wildcard. This is a big step for regular file processing on the way to super-charging big data files using Hadoop – the KM works with the lightweight agent and regular filesystems. So in my design below transforming a bunch of files, by default the IKM File to File (Java) knowledge module was assigned. I pointed the KM at my JDK (since the KM generates and compiles java), and I also increased the thread count to 2, to take advantage of my 2 processors. For my illustration I transformed (can also filter if desired) and moved about 1.3Gb with 2 threads in 140 seconds (with a single thread it took 220 seconds) - by no means was this on any super computer by the way. The great thing here is that it worked well out of the box from the design to the execution without any funky configuration, plus, and a big plus it was much faster than before, So if you are doing any file to file transformations, check it out!

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