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• Bash: create anonymous fifo

  - by Adrian Panasiuk

  We all know mkfifo and pipelines. The first one creates a named pipe, thus one has to select a name, most likely with mktemp and later remember to unlink. The other creates an anonymous pipe, no hassle with names and removal, but the ends of the pipe get tied to the commands in the pipeline, it isn't really convenient to somehow get a grip of the file descriptors and use them in the rest of the script. In a compiled program, I would just do ret=pipe(filedes); in Bash there is exec 5<>file so one would expect something like "exec 5<> -" or "pipe <5 >6" -is there something like that in Bash?

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• Can't update kernel to 2.6.35.27

  - by Uri Herrera

  When I try to update I get this message, I'm guessing I'm missing something here? Filesystem Type Size Used Avail Use% Mounted on /dev/sdb6 ext4 43G 7.7G 33G 20% / none devtmpfs 1.6G 349k 1.6G 1% /dev none tmpfs 1.6G 5.9M 1.6G 1% /dev/shm none tmpfs 1.6G 218k 1.6G 1% /var/run none tmpfs 1.6G 0 1.6G 0% /var/lock /dev/sdb2 fuseblk 258G 198G 60G 77% /media/Backup /dev/sda1 fuseblk 321G 175G 146G 55% /media/Media /dev/sdb1 ext4 96M 84M 6.7M 93% /boot /dev/sdb7 ext4 175G 81G 86G 49% /home Here's the output: Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be REMOVED: linux-image-2.6.35-22-generic 0 upgraded, 0 newly installed, 1 to remove and 0 not upgraded. 5 not fully installed or removed. After this operation, 107MB disk space will be freed. Do you want to continue [Y/n]? y (Reading database ... 282211 files and directories currently installed.) Removing linux-image-2.6.35-22-generic ... Examining /etc/kernel/postrm.d . run-parts: executing /etc/kernel/postrm.d/initramfs-tools 2.6.35-22-generic /boot/vmlinuz-2.6.35-22-generic run-parts: executing /etc/kernel/postrm.d/zz-update-grub 2.6.35-22-generic /boot/vmlinuz-2.6.35-22-generic /etc/default/grub: 23: Syntax error: newline unexpected run-parts: /etc/kernel/postrm.d/zz-update-grub exited with return code 2 Failed to process /etc/kernel/postrm.d at /var/lib/dpkg/info/linux-image-2.6.35-22- generic.postrm line 328. dpkg: error processing linux-image-2.6.35-22-generic (--remove): subprocess installed post-removal script returned error exit status 1 Errors were encountered while processing: linux-image-2.6.35-22-generic E: Sub-process /usr/bin/dpkg returned an error code (1)

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• CodePlex Daily Summary for Saturday, October 19, 2013

  CodePlex Daily Summary for Saturday, October 19, 2013Popular ReleasesMedia Companion: Media Companion MC3.583b: As before release but fixed for no movie poster sourcesNew* Both - Added 'An' as option to ignore in title * Movie - Renaming - added %Z - Sorttitle to Legend * Movie - Renaming - added %O - Audio Channels to Legend * Movie - Remove a poster source from priority list. Reset List back to defaults. * Made Media Companion truly portable application. Fixed* Movie - browse for Poster Or Fanart, allows for jpg, tbn, png and bmp images * Movie - Alt Fanart Browser - Url or Browse window now fully...MoreTerra (Terraria World Viewer): MoreTerra 1.11.3.1: Release 1.11.3.1 ================ = New Features = ================ Added markers for Copper Cache, Silver Cache and the Enchanted Sword. ============= = Bug Fixes = ============= Use Official Colors now no longer tries to change the Draw Wires option instead. World reading was breaking for people with a stock 1.2 Terraria version. Changed world name reading so it does not crash the program if you load MoreTerra while Terraria is saving the world. =================== = Feature Removal = =...patterns & practices - Windows Azure Guidance: Cloud Design Patterns: 1st drop of Cloud Design Patterns project. It contains 14 patterns with 6 related guidance.Json.NET: Json.NET 5.0 Release 8: Fix - Fixed not writing string quotes when QuoteName is falsePowerShell Community Extensions: 3.1 Production: PowerShell Community Extensions 3.1 Release NotesOct 17, 2013 This version of PSCX supports Windows PowerShell 3.0 and 4.0 See the ReleaseNotes.txt download above for more information.SQL Power Doc: Version 1.0.2.1: Misc. bug fixes Added logic to resolve members of a Windows Group server login Added columns to Excel workbooks to show definitions for server permissions, server roles, database permissions, and database rolesSocial Network Importer for NodeXL: SocialNetImporter(v.1.9): This new version includes: - Download latest status update and use it as vertex tooltip - Limit the timelines to parse to me, my friends or both - Fixed some reported bugs about the fan page and group importer - Fixed the login bug reported latelyDotNetNuke® Wiki: 05.00.00: Changes made to better support upgrades and the removal of deprecated legacy files that were causing formatting issues. Updated the Version number to better indicate the significance of the C# migration and the new DNN 7.0.2 minimum requirement.TerrariViewer: TerrariViewer v7.1 [Terraria Inventory Editor]: You can now backspace in number fields Items added in 1.2.0.3 no longer corrupt player files Buff durations capped at 9999999 Item stacks capped at 9999999 Version info added Prefix IDs corrected Shoe and Eye color box are now properly clickable Moved Bank and Safe into their own tab Users will now be notified of new updatesPython Tools for Visual Studio: 2.0: PTVS 2.0 We’re pleased to announce the release of Python Tools for Visual Studio 2.0 RTM. Python Tools for Visual Studio (PTVS) is an open-source plug-in for Visual Studio which supports programming with the Python language. PTVS supports a broad range of features including CPython/IronPython, Edit/Intellisense/Debug/Profile, Cloud, IPython, and cross platform and cross language debugging support. QUICK VIDEO OVERVIEW For a quick overview of the general IDE experience, please watch this v...C# Intellisense for Notepad++: Release v.1.0.8.2: Solved scrolling problem after DocumentFormatting Implemented "format as you type" --- To avoid the DLLs getting locked by OS use MSI file for the installation.CS-Script for Notepad++ (C# intellisense and code execution): Release v1.0.8.2: Solved scrolling problem after DocumentFormatting Implemented "format as you type" --- To avoid the DLLs getting locked by OS use MSI file for the installation.Collection Commander for Configuration Manager 2012: CMCollCtr 1.0.0: Change log: - MSI Setup - UI Improved - CM12 Console integration - New Powershell code snippets - Client Center IntegrationLINQ to Twitter: LINQ to Twitter v2.1.09: Supports .NET 3.5, .NET 4.0, .NET 4.5, Silverlight 4.0, Windows Phone 7.1, Windows Phone 8, Client Profile, Windows 8, and Windows Azure. 100% Twitter API coverage. Also supports Twitter API v1.1! Also on NuGet.Sandcastle Help File Builder: SHFB v1.9.8.0 with Visual Studio Package: General InformationIMPORTANT: On some systems, the content of the ZIP file is blocked and the installer may fail to run. Before extracting it, right click on the ZIP file, select Properties, and click on the Unblock button if it is present in the lower right corner of the General tab in the properties dialog. This new release contains bug fixes and feature enhancements. There are some potential breaking changes in this release as some features of the Help File Builder have been moved into...C++ REST SDK (codename "Casablanca"): C++ REST SDK 1.3.0: This release fixes multiple customer reported issues as well as the following: Full support for Dev12 binaries and project files Full support for Windows XP New sample highlighting the Client and Server APIs : BlackJack Expose underlying native handle to set custom options on http_client Improvements to Listener Library Note: Dev10 binaries have been dropped as of this release, however the Dev10 project files are still available in the Source CodeAD ACL Scanner: 1.3.2: Minor bug fixed: Powershell 4.0 will report: Select—Object: Parameter cannot be processed because the parameter name p is ambiguous.Fast YouTube Downloader: YouTube Downloader 2.2.0: YouTube Downloader 2.2.0VidCoder: 1.5.8 Beta: Added hardware acceleration options: Bicubic OpenCL scaling algorithm, QSV decoding/encoding and DXVA decoding. Updated HandBrake core to SVN 5834. Updated VidCoder setup icon. Fixed crash when choosing the mp4v2 container on x86 and opening on x64. Warning: the hardware acceleration features require specific hardware or file types to work correctly: QSV: Need an Intel processor that supports Quick Sync Video encoding, with a monitor hooked up to the Intel HD Graphics output and the lat...ASP.net MVC Awesome - jQuery Ajax Helpers: 3.5.2: version 3.5.2 - fix for setting single value to multivalue controls - datepicker min max date offset fix - html encoding for keys fix - enable Column.ClientFormatFunc to be a function call that will return a function version 3.5.1 - fixed html attributes rendering - fixed loading animation rendering - css improvements version 3.5 ========================== - autosize for all popups ( can be turned off by calling in js awe.autoSize = false ) - added Parent, Paremeter extensions ...New Projectsag2: ag2ApplicationMobile: ApplicationMobileBing Maps/Geolocalization Windows Store Template: Template de aplicativo para Windows 8 utilizando APIs do Bing Maps e Geolocalização. C3D.NET: C3D.NET is a free class library for manipulating C3D file. This project supports .NET 2.0 and .NET 4.0, and provides a free Data Viewer based on this library.DrinksMachineCMC: DrinksMachineCMCFerdeenFatalSpeech: Speech recognition for PC control.FuzzyLogic: FuzzyLogic Demohousekeeping: ?????isolutions Techdays 2013: Zeigt die Möglichkeit des Zugriffes auf ein CRM 2013 Online mit einer Windows Store App und aus einem Word Plugin.Learn .NET Gadgeteer: .NET Gadgeteer example projects using the FEZ Cerberus kit from GHILIT.Logger.ServerChecker: Small application for server monitoring, which demonstrates capabilities of LIT.Logger (www.litlogger.com)LuaTools for Visual Studio: luatools lua visual studioMTM Test Plan Viewer: A UI tool that lets you easily view, explore and export MTM test results.NetworkScan: Network scan windowsObservable Linq: Observable Linq and Observable Expressions is about to change the paradigm how to use expressions and Linq, providing update events whenever the results change.PatientManagement: beep beeppescar-shop-El-enchufe-khristo-grecia-giselle: falta la aplicacion de LINQ...ProjetoEscola: Projeto Integrado Senac Proyecto Librería PRISA: Este sistema servirá para controlar las compras, ventas y almacén de librería "PRISA". Se desarrollará en Visual Studio 2012 con patrón MVC y en base a capas.TDataBase: Simple db query libraryzongtest: test

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• Quantifying the value of refactoring in commercial terms

  - by Myles McDonnell

  Here is the classic scenario; Dev team build a prototype. Business mgmt like it and put it into production. Dev team now have to continue to deliver new features whilst at the same time pay the technical debt accrued when the code base was a prototype. My question is this (forgive me, it's rather open ended); how can the value of the refactoring work be quantified in commercial terms? As developers we can clearly understand and communicate the value in technical terms, such a the removal of code duplication, the simplification of an object model and so on. But this means little to an executive focussed on the commercial elements. What will mean something to this executive is the dev. team being able to deliver requirements at faster velocity. Just making this statement without any metrics that clearly quantify return on investment (increased velocity in return for resource allocated to refactoring) carries little weight. I'm interested to hear from anyone who has had experience, positive or negative, in relation to the above. ----------------- EDIT ---------------- Thanks for the responses so far, all of which I think are good. What I want to develop is a metric that proves (or disproves!) all of these statements. A report that ties velocity to refactoring and shows a positive effect.

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• Vector with Constant-Time Remove - still a Vector?

  - by Darrel Hoffman

  One of the drawbacks of most common implementations of the Vector class (or ArrayList, etc. Basically any array-backed expandable list class) is that their remove() operation generally operates in linear time - if you remove an element, you must shift all elements after it one space back to keep the data contiguous. But what if you're using a Vector just to be a list-of-things, where the order of the things is irrelevant? In this case removal can be accomplished in a few simple steps: Swap element to be removed with the last element in the array Reduce size field by 1. (No need to re-allocate the array, as the deleted item is now beyond the size field and thus not "in" the list any more. The next add() will just overwrite it.) (optional) Delete last element to free up its memory. (Not needed in garbage-collected languages.) This is clearly now a constant-time operation, since only performs a single swap regardless of size. The downside is of course that it changes the order of the data, but if you don't care about the order, that's not a problem. Could this still be called a Vector? Or is it something different? It has some things in common with "Set" classes in that the order is irrelevant, but unlike a Set it can store duplicate values. (Also most Set classes I know of are backed by a tree or hash map rather than an array.) It also bears some similarity to Heap classes, although without the log(N) percolate steps since we don't care about the order.

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• Prevent Ultrabay HDD from ejecting on sleep

  - by Bryce Evans

  I have a lenovo T430s thinkpad with a small SSD primary drive and 500gb ultrabay drive. When I put the computer to sleep and then return, I get the message titled "problem ejecting < drive name " "Windows can't stop your 'Generic volume' device because a program is still using it." This pop up is very annoying every time every time I use the computer. I don't want to disable write caching [D:Hardware[drive]policiesquick removal] because I want best performance and never remove the drive. Any ways to avoid this pop up?

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• Distinguishing the Transport Layer from the Session Layer

  In the OSI communications model, the Session layer manages the creation and removal of the association between two communicating network end points. This can also be called a connection. A connection is maintained while the network end points are communicated between each other in a conversation or session of some unknown length of time. Some connections and sessions only need to last long enough to send a message or a piece of data in one direction. In addition, some sessions may last longer, this typically occurs when one or both of the network end points are  able to terminate it the connection. The transport layer ensures that messages/data are delivered without errors, in sequence, and with no data content losses or data content duplications. It relieves the Session Layer from any concern with the transfer of data between them and their peers. Examples: Session Layer This layer acts like a manager and asks one of its employees (Transport Layer) to move a piece of data/message from one network end-point to another. Transportation Layer This layer takes the request of the Session Layer and moves the data as insturcted, it also double checks the data for any missing or corrupted information after it has been moved. If for some reason the new data does not match the old data then the Transport player will attempt to move the data gain until the data at both locations is in sync.

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• Collection RemoveAll Extension Method

  - by João Angelo

  I had previously posted a RemoveAll extension method for the Dictionary<K,V> class, now it’s time to have one for the Collection<T> class. The signature is the same as in the corresponding method already available in List<T> and the implementation relies on the RemoveAt method to perform the actual removal of each element. Finally, here’s the code: public static class CollectionExtensions { /// <summary> /// Removes from the target collection all elements that match the specified predicate. /// </summary> /// <typeparam name="T">The type of elements in the target collection.</typeparam> /// <param name="collection">The target collection.</param> /// <param name="match">The predicate used to match elements.</param> /// <exception cref="ArgumentNullException"> /// The target collection is a null reference. /// <br />-or-<br /> /// The match predicate is a null reference. /// </exception> /// <returns>Returns the number of elements removed.</returns> public static int RemoveAll<T>(this Collection<T> collection, Predicate<T> match) { if (collection == null) throw new ArgumentNullException("collection"); if (match == null) throw new ArgumentNullException("match"); int count = 0; for (int i = collection.Count - 1; i >= 0; i--) { if (match(collection[i])) { collection.RemoveAt(i); count++; } } return count; } }

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• Algorithm to infer tag hierarchy

  - by Tom

  I'm looking for an algorithm to infer a hierarchy from a set of tagged items. E.g. if the following items have the tags: 1 a 2 a,b 3 a,c 4 a,c,e 5 a,b 6 a,c 7 d 8 d,f Then I can construct an undirected graph (or graphs) by tallying the node weights and edge weights: node weights edge weights a 6 a-b 2 b 2 a-c 3 c 3 c-e 1 d 2 a-e 1 <-- this edge is parallel to a-c and c-e and not wanted e 1 d-f 1 f 1 The first problem is how to drop any redundant edges to get to the simplified graph? Note that it's only appropriate to remove that redundant a-e edge in this case because something is tagged as a-c-e, if that wasn't the case and the tag was a-e, that edge would have to remain. I suspect that means the removal of edges can only happen during the construction of the graph, not after everything has been tallied up. What I'd then like to do is identify the direction of the edges to create a directed graph (or graphs) and pick out root nodes to hopefully create a tree (or trees): trees a d // \\ | b c f \ e It seems like it could be a string algorithm - longest common subsequences/prefixes - or a tree/graph algorithm, but I am a little stuck since I don't know the correct terminology to search for it.

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• Object pools for efficient resource management

  - by GameDevEnthusiast

  How can I avoid using default new() to create each object? My previous demo had very unpleasant framerate hiccups during dynamic memory allocations (usually, when arrays are resized), and creating lots of small objects which often contain one pointer to some DirectX resource seems like an awful lot of waste. I'm thinking about: Creating a master look-up table to refer to objects by handles (for safety & ease of serialization), much like EntityList in source engine Creating a templated object pool, which will store items contiguously (more cache-friendly, fast iteration, etc.) and the stored elements will be accessed (by external systems) via the global lookup table. The object pool will use the swap-with-last trick for fast removal (it will invoke the object's ~destructor first) and will update the corresponding indices in the global table accordingly (when growing/shrinking/moving elements). The elements will be copied via plain memcpy(). Is it a good idea? Will it be safe to store objects of non-POD types (e.g. pointers, vtable) in such containers? Related post: Dynamic Memory Allocation and Memory Management

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• How to recover broken dpkg after lucid-bleed ppa-purge?

  - by TryTryAgain

  Did a ppa-purge of lucid-bleed and dpkg didn't downgrade properly and now it is broken. dpkg: PreDepends: tar (>= 1.23) but 1.22-2ubuntu1 is to be installed What scares me is when simulating the removal of dpkg I get: Removing this package may render the system unusable. Are you sure you want to do that? and then the list of packages which depend on it, which will also be removed, is obviously very long. Is it safe for me to remove dpkg just to reinstall it? How would I ensure the list of packages which were also removed are then reinstalled? Will forcing the version of dpkg help? (FYI: simulating a forced version brings up a much smaller list of applications which will also be removed). Any other suggestions? Additional information based on comments: ppa-purge log: http://pastebin.com/1kT8cLvP If I sudo apt-get install dpkg=1.15.5.6ubuntu4.5 I get The following packages have unmet dependencies: libdpkg-perl: Depends: dpkg (= 1.15.8) but 1.15.5.6ubuntu4.5 is to be installed which sucks because that means more would be broken after doing so...but when I force the version through Synaptic I get: To be removed alien, build-essential, cdbs, checkinstall, debhelper, devscripts, dpkg-dev, google-earth-stable, googleearth-package, libdpkg-perl, lintian, lsb, lsb-core, lsb-cxx, lsb-desktop, lsb-graphics, lsb-languages, lsb-multimedia, lsb-printing, lsb-qt4, lsb-security, ubuntu-dev-tools.

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• Why can't I install from software center?

  - by user64720

  There was a problem upgrading to Firefox 13. This error kept returning: /var/cache/apt/archives/firefox_13.0+build1-0ubuntu0.12.04.1_i386.deb W: Waited for dpkg --assert-multi-arch but was not there - dpkgGo (10: There are no "child" processes). Now it seems that there is some problem with dpkg and I can't install anything from software center. I already tried to clean previous packages with sudo rm /var/lib/apt/lists/* -vf and then sudo apt-get update, it didn't work. When running sudo dpkg --configure -a, I get this: dpkg: problems with dependencies prevent the configuration of firefox-globalmenu: firefox-globalmenu depends on firefox (= 13.0+build1-0ubuntu0.12.04.1); however: The package is not installed. dpkg: error while processing firefox-globalmenu (--configure): problems com dependencies - leaving unconfigured There has been found errors while processing: firefox-globalmenu What should I do to fix this?? EDIT: I don't have the necessary expertise to understand why what I did worked and what was causing the conflict, but anyway, since there was a problem with firefox-globalmenu:, I went to synaptics package manager, I removed this particular package and reinstalled it. After that, I was able to install Firefox from synaptics and also any other applications from software center. However, still there was a problem, when running sudo apt-get update, the following kept returning: Failed to get gzip:/var/lib/apt/lists/partial/archive.ubuntu.com_ubuntu_dists_precise_main_binary-i386_Packages Verification code hash doesn't match. E: Some archives index failed at being downloaded. They have been ignored, or older copies are used instead. So I typed sudo rm /var/lib/apt/lists/* -vf in terminal and then again sudo apt-get update and everything is fine now. I did this before an answer was posted, anyway I agree the problem was that particular package and its removal. So I'll mark the below answer as accepted.

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• Windows application shortcut icon cannot be removed

  - by Claudiu Constantin

  I recently installed an application on my Windows 7 desktop. After the install this application created a strange icon on my desktop which cannot be removed/deleted or renamed. I find this quite intrusive and I keep wondering if this is a normal/legal case... Is an application allowed to do this? I don't remember having an option to allow this "Chuck Norris" icon on my desktop. Any information on this will be highly appreciated. Edit: What this icon does is when you drag over a file it applies some "deep removal" of it. It's context menu is limited to "Open" (which does nothing) and "Create shortcut"

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• How do I finish installing Sun JDK after cancelling out of the legal term screen?

  - by Ravi

  I am a newcomer to linux and have had lots of problems in installing java on my newly installed Ubuntu 11.10. I use a statistical programming environment called R and many of the packages there require java (the sun variety, I am told). I tried the following : sudo add-apt-repository ppa:ferramroberto/java sudo apt-get update sudo apt-get install sun-java6-jre sun-java6-plugin sun-java6-fonts (after this, I wanted to continue with (but never got that far) : sudo apt-get install sun-java6-jdk After this, a window appeared with the heading, "Configuring jre", or something like that. Below was a long list of legal text about accepting Sun's terms. I did not know how to close this window (no obvious option like pressing return worked). After a long time, when nothing seemed to happen, I finally closed the window. After that, I could not open synaptic. I got the error message : dpkg was interrupted. You must manually run 'sudo dpkg --configure -a' I did this. But it does not help. I have java as a "broken" program. When I try to remove the program from synaptic, I get a message that I must reinstall it again.I do not know what I should do. I want to install jdk6. And also remove the open jdk which is still persistently present in my system. I tried the clean and purge command shown below. Next, I tried to remove the sun-java6-jre from synaptic. I get the following message :E: sun-java6-jre: Package is in a very bad inconsistent state - you should reinstall it before attempting a removal. When I tried to follow the procedure suggested in the related question (from the link suggested below), I get the following message on trying to install again :Could not mark all packages for installation or upgrade.The following packages have unresolvable dependancies. Make sure that all required repositories are added and enabled in the preferences. sun-java6-bin : Depends: sun-java6-jre but it is not going to be installed

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• How (and when) to move users to mysqli and PDO_MYSQL?

  - by cj

  An important discussion on the PHP "internals" development mailing list is taking place. It's one that you should take some note of. It concerns the next step in transitioning PHP applications away from the very old mysql extension and towards adopting the much better mysqli extension or PDO_MYSQL driver for PDO. This would allow the mysql extension to, at some as-yet undetermined time in the future, be removed. Both mysqli and PDO_MYSQL have been around for many years, and have various advantages: http://php.net/manual/en/mysqlinfo.api.choosing.php The initial RFC for this next step is at https://wiki.php.net/rfc/mysql_deprecation I would expect the RFC to change substantially based on current discussion. The crux of that discussion is the timing of the next step of deprecation. There is also discussion of the carrot approach (showing users the benfits of moving), and stick approach (displaying warnings when the mysql extension is used). As always, there is a lot of guesswork going on as to what MySQL APIs are in current use by PHP applications, how those applications are deployed, and what their upgrade cycle is. This is where you can add your weight to the discussion - and also help by spreading the word to move to mysqli or PDO_MYSQL. An example of such a 'carrot' is the excellent summary at Ulf Wendel's blog: http://blog.ulf-wendel.de/2012/php-mysql-why-to-upgrade-extmysql/ I want to repeat that no time frame for the eventual removal of the mysql extension is set. I expect it to be some years away.

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• Error while reomving the new kernel 2.6.37

  - by Tarek

  Hi! I tried to install the new kernel but something went wrong and I'm trying to remove it now. The error massege is: mhd@Tarek-Laptop:~$ sudo apt-get install -f Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be REMOVED: linux-image-2.6.37-020637-generic 0 upgraded, 0 newly installed, 1 to remove and 9 not upgraded. 1 not fully installed or removed. After this operation, 111MB disk space will be freed. Do you want to continue [Y/n]? y (Reading database ... 188780 files and directories currently installed.) Removing linux-image-2.6.37-020637-generic ... Examining /etc/kernel/postrm.d . run-parts: executing /etc/kernel/postrm.d/initramfs-tools 2.6.37-020637-generic /boot/vmlinuz-2.6.37-020637-generic run-parts: executing /etc/kernel/postrm.d/zz-update-grub 2.6.37-020637-generic /boot/vmlinuz-2.6.37-020637-generic /etc/default/grub: 33: Syntax error: EOF in backquote substitution run-parts: /etc/kernel/postrm.d/zz-update-grub exited with return code 2 Failed to process /etc/kernel/postrm.d at /var/lib/dpkg/info/linux-image-2.6.37-020637-generic.postrm line 328. dpkg: error processing linux-image-2.6.37-020637-generic (--remove): subprocess installed post-removal script returned error exit status 1 Errors were encountered while processing: linux-image-2.6.37-020637-generic E: Sub-process /usr/bin/dpkg returned an error code (1) The previous unsloved error is on this bug.

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• Render a 3D image as a 2D vector image

  - by Clinton Blackmore

  Is there any software that will take a 3d model (in any format) and allow you to render it as a 2D vector image (preferable as either an .SVG or .PDF)? My intention is to render LEGO building instructions this way. While there are many tools that let you view them or generate nice, rasterized output, I'd really like to be able to generate vectorized output. Textures are not needed, and hidden line removal may not be needed. I could use a tool that works on any platform (although my preference is OS X, Linux, then Windows). Open source is preferred. If no one knows of a tool that does this, does anyone have a good recommendation of something to hack on and add a feature to output via Cairo?

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• Weird 302 Redirects in Windows Azure

  - by Your DisplayName here!

  In IdentityServer I don’t use Forms Authentication but the session facility from WIF. That also means that I implemented my own redirect logic to a login page when needed. To achieve that I turned off the built-in authentication (authenticationMode="none") and added an Application_EndRequest handler that checks for 401s and does the redirect to my sign in route. The redirect only happens for web pages and not for web services. This all works fine in local IIS – but in the Azure Compute Emulator and Windows Azure many of my tests are failing and I suddenly see 302 status codes where I expected 401s (the web service calls). After some debugging kung-fu and enabling FREB I found out, that there is still the Forms Authentication module in effect turning 401s into 302s. My EndRequest handler never sees a 401 (despite turning forms auth off in config)! Not sure what’s going on (I suspect some inherited configuration that gets in my way here). Even if it shouldn’t be necessary, an explicit removal of the forms auth module from the module list fixed it, and I now have the same behavior in local IIS and Windows Azure. strange. <modules>   <remove name="FormsAuthentication" /> </modules> HTH Update: Brock ran into the same issue, and found the real reason. Read here.

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• Why would http & https be blocked, even in safe mode with firewall disabled?

  - by Cogwheel

  I have a windows 7 machine (dell studio xps). Everything on it seems to be in working order. The network device says it has internet connectivity, and indeed I can ping websites, transfer files via ftp, connect to vpns and remote desktop, but the web won't work. I've disabled the windows firewall and still no go. There are no other firewalls installed. The computer came with a trial of norton 360 so I also used the norton removal tool (which solved a similar problem on another computer for me previously). Any thoughts?

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• Tried to install some software, it says some packages are damaged, cannot fix them

  - by lempira

  So, I go to the Ubuntu Software Center, as soon as it opens, a window pops up with the following text: "Items cannot be installed or removed until the package catalog is repaired. Do you want to repair it now?" Then I click the "Repair" button, then a new window pops up with the following text: "Package operation failed. The installation or removal of a software package failed." Then I click on the "Details" button, which returns me the following text: installArchives() failed: Can't exec "locale": No such file or directory at /usr/share/perl5/Debconf/Encoding.pm line 16. Use of uninitialized value $Debconf::Encoding::charmap in scalar chomp at /usr/share/perl5/Debconf/Encoding.pm line 17. Preconfiguring packages ... Can't exec "locale": No such file or directory at /usr/share/perl5/Debconf/Encoding.pm line 16. Use of uninitialized value $Debconf::Encoding::charmap in scalar chomp at /usr/share/perl5/Debconf/Encoding.pm line 17. Preconfiguring packages ... Can't exec "locale": No such file or directory at /usr/share/perl5/Debconf/Encoding.pm line 16. Use of uninitialized value $Debconf::Encoding::charmap in scalar chomp at /usr/share/perl5/Debconf/Encoding.pm line 17. Preconfiguring packages ... dpkg: warning: 'ldconfig' not found in PATH or not executable. dpkg: error: 1 expected program not found in PATH or not executable. Note: root's PATH should usually contain /usr/local/sbin, /usr/sbin and /sbin. Error in function: SystemError: E:Sub-process /usr/bin/dpkg returned an error code (2) dpkg: warning: 'ldconfig' not found in PATH or not executable. dpkg: error: 1 expected program not found in PATH or not executable. Note: root's PATH should usually contain /usr/local/sbin, /usr/sbin and /sbin. What should I do?

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• TransformXml Task locks config file identified in Source attribute

  - by alexhildyard

  As background: the TransformXml MSBuild task is typically invoked in a custom build step to mark up a web.config file with per-environment configuration; its flexible directives offer highly granular control over the insertion, removal, substitution and transformation of existing configuration hierarchies. For those using the TransformXML task (typically in a Web Deployment Project) I raised an issue against Visual Studio 2010, in which the file handle on the input file was not released, meaning that following transformation the source file remained locked. As a result, the best way to transform a file was first to rename it, transform it, and then copy it back, leaving the "locked" file to be freed up later.I just heard today that this has now been resolved in Visual Studio 2012 RTM. That's good news, because Web Config Transformations offer a lot. An intelligent, automated build process will swap in the relevant transform(s), making it much easier to synthesise the Developer and Build server builds. This makes for a simpler and more exemplary build process, and with the tighter coupling comes a correspondingly quicker response to Developmental change.Oh, and don't forget -- it isn't just web.configs you can transform. You can transform app.configs, or indeed any XML file that honours the task's schema and hierarchical rules.

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• Remove Trailing Slash from WordPress URL (The site also don't have www)

  - by mrintech

  I need help as I am confused a lot with .htaccess Some months back, I removed WWW from the URL of my domain name using following .htaccess lines: RewriteCond %{HTTP_HOST} !^example.com$ [NC] RewriteRule ^(.*)$ http://example.com/$1 [L,R=301] Now, I also want to remove the trailing slash from the URL, as because I am using WordPress and a page/post will open, no matter if there's a trailing slash or NOT! I request you to please provide me the .htaccess code, so that I can REMOVE the trailing slash. Kindly remember, I don't want WWW also and I have already set .htaccess rule for the removal of WWW Note: 3 Years back when I started the blog, I set the Permalinks Structure without trailing slash. Now, suddenly Google Webmasters Tools is showing warnings. Also, the URL for rel="canonical" is WITHOUT trailing slash If you require any more details, I will be happy to provide

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• Blogger homepage won't update!

  - by Sims Siniron

  i am new on blogging webmaster Tools. When i usually add new post to my blog, it will automatic updated my homepage also. But from last 14th January, my homepage won't update by Google SEPR. As a result i am losing my popularity on SEPR. Previously when i post new article, 70-80% will go to the first page result. But after the problem occurs, none of them reach in top 15page of Google SEPR :( Last 1/12/12, Google webmaster sent me a "Notice of DMCA removal from Google Search" massage to indicates one of my URL that contains some infringing content which i deleted after receiving their notice. Not only that, i also cheeked all of my posts if there any additional infringing content available. After removing that, i fill out Google's Content Removed Notification form to notify them and Google also sent me a feedback that they received it and suggest "In the future, if you have removed the allegedly infringing content from your site (and won’t put it back), please use the correct form" which also i filled up. Now my question is that, Is everything alright which i did before? Although my new posts are indexed in GSEPR with ".." but why Google Robots.txt won't update my homepage which previously automatically updated when a new article was published.

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• Save Actions in NetBeans IDE 7.3

  - by Geertjan

  Several developers, especially those familiar with equivalent functionality in Eclipse, have been asking for so-called "Save Actions", that is, support for actions that are automatically performed when a file is saved. Here's the related NetBeans issue: http://netbeans.org/bugzilla/show_bug.cgi?id=140719   In NetBeans IDE 7.3, the issue is resolved as follows: A new "On Save" tab is found in the "Editor" tab of the Options window. Defaults for all languages are set via the "All Languages" item in the drop-down. Here, for all languages, you can specify what kind (all, none, or only modified lines) of formatting and space removal will occur automatically when a file is saved: Via the drop-down, you see all the languages supported by the IDE: You can pick a language and then override the default On Save settings: Per language, there may be additional On Save settings. For example, for Java, you can specify that, when saving a Java file, unused import statements should be removed and/or the rules you've set for organizing import statements should be applied: There's also a set of new NetBeans IDE APIs for adding new On Save functionality via custom plugins. Via MIME type registration of OnSaveTask.Factory, you can register new On Save actions that will be run for files conforming to the relevant MIME type. There's also extensions via the Editor Options API for registering new panels (one per language) to the On Save panel in the Options window. I'll demonstrate some examples of the APIs in upcoming blog entries.

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• not able to install g++ and gcc on debian

  - by austin powers

  Hi , I want to use directadmin as my web control panel and it needs several packages like g++ , gcc and etc... as usuall I started to type apt-get install g++ and there problems start : dependecy error... then I tried to apt-get -f install and I got this error (Reading database ... 15140 files and directories currently installed.) Removing libc6-xen ... ldconfig: /etc/ld.so.conf.d/libc6-xen.conf:6: hwcap index 0 already defined as nosegneg dpkg: error processing libc6-xen (--remove): subprocess post-removal script returned error exit status 1 Errors were encountered while processing: libc6-xen E: Sub-process /usr/bin/dpkg returned an error code (1) what shoud I do? I want to install g++ and all of its dependencies due to using of directadmin I need it. regards.

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