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• Subversion import error 200030 (accessed from SCM in Xcode 3.2.2, OS X 10.6.3)

  - by Global nomad

  Hi, I'm encountering the following error when attempting to (svn) import from within Xcode). Import Failed Error: 200030 (SQLite error) Description: no such table: rep_cache This is a new repository.The svnserve process runs normally. Existing repositories work fine (import, commit, and export) from within Xcode. Neither MacPorts nor Fink are installed. The binaries in /usr/bin comes with Mac OS X 10.6. I've googled but am unable to find others encountering the same issue. Thanks in advance for any shared insights.

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• Getting IIS Worker Process Crash dumps

  - by CVertex

  I'm doing something bad in my ASP.NET app. It could be the any number of CTP libraries I'm using or I'm just not disposing something properly. But when I redeploy my ASP.NET to my Vista IIS7 install or my server's IIS6 install I crash an IIS worker process. I've narrowed the problem down to my HTTP crawler, which is a multithreaded beast that crawls sites for useful information when asked to. After I start a crawler and redeploy the app over the top, rather than gracefully unloading the appDomain and reloading, an IIS worker process will crash (popping up a crash message) and continue reloading the app domain. When this crash happens, where can I find the crash dump for analysis?

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• Xcode custom project template creates only references to files

  - by user315374

  Hi, I tried to create a custom project template for setting up unit testing. The problem is that when i create a new project based on this template it creates references to the template files : When i edit a file, it changes my template files instead of my actual project files ! When i delete my template, files from my actual project becomes red ! The project template is in : /Developer/Platforms/iPhoneOS.platform/Developer/Library/Xcode/Project Templates/Application/Test-based Application Reading some question on stack overflow i tried to install my template project in /Library/Application Support/Developer/Shared/Xcode/Project Templates But i cannot see my template when i create a new project. Can anybody help ? Thanks, Vincent

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• Google Bot information?

  - by Bub Bradlee

  Does anyone know any more details about google's web-crawler (aka GoogleBot)? I was curious about what it was written in (I've made a few crawlers myself and am about to make another) and if it parses images and such. I'm assuming it does somewhere along the line, b/c the images in images.google.com are all resized. It also wouldn't surprise me if it was all written in Python and if they used all their own libraries for most everything, including html/image/pdf parsing. Maybe they don't though. Maybe it's all written in C/C++. Thanks in advance-

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• PHP voting system with sessions?

  - by pingu

  Hi guys, I've been reading up on stackoverflow about creating voting systems in PHP that minimize abuse/multiple voting from the same user, but I haven't come across the answer to my question. I've got an application where users don't need to register to vote or "like" an entry. Obviously, I want to minimize abuse and I don't want to limit votes per IP address because some organisations (mine included) use shared IP addresses. I've never used sessions in a non-authenticated system before, but since this application is centered around entry votes I was wondering if this approach would work and whether there were any disadvantages such as performance implications, and whether it's even possible to use sessions in this way: start a session when the website is loaded allow one vote per item per session If this is a bad idea, my alternative options would be to allow a reasonable number of votes per IP address (say 25), or put a time limit between votes from the same IP address. What do you guys recommend?

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• ASP.Net MVC per area membership

  - by AdmSteck

  I am building an ASP.Net MVC app that will run on a shared hosting account to host multiple domains. I started with the default template that includes membership and created an mvc area for each domain. Routing is set up to point to the correct area depending on the domain the request is for. Now I would like to set up membership specific to each mvc area. I tried the obvious first and attempted to override the section of the web.config for each area to change the applicationName attribute of the provider. That doesn't work since the area is not set up as an application root. Is there an easy way to separate the users for each area?

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• Display page numbers in a excel sheet generated using C#.NET

  - by constant learner

  Hello Stackers Does anyone have an idea on how to include or input the page numbers in the excel sheet generated using C# code. I use the libraries available in Microsoft.Office.Interop.Excel to generate the file. However by default in the output i cannot see the page numbers. I know to enable this via excel options (View -- Header and Footer ...) but i want to automate this via C#. Is this possible, if yes kindly share the snippet for the same. Thanks Constant Learner

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• What file format contents starts with "URES"?

  - by Jordan

  I have a number of files that contain data in a format I am not familiar with. All of the data files begin with the same byte sequence, presumably a file header, and the sequence is "URES". I'm assuming that these files are some kind of resource file, perhaps a collection of data or other files all embedded into one file; that's just a guess however. Does anyone know what format this is/might be? If so, how would I interrogate the file? Are there applications that let me open these kind of files? Do you know of any libraries or APIs that I can use to gain programmatic access the data?

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• Bypassing rack version error using Rails 2.3.5

  - by Matt

  I'm currently on Dreamhost attempting to run a Rails 2.3.5 app. Here is the situation, Dreamhost's servers have Rails 2.2.2 installed. Of course, I can't update a shared host's rails version, so I froze my Rails in vendor. Rails 2.3.5 requires the rack v1.0.1 gem. Dreamhost uses the rack v1.0.0 gem. So when I try to define: config.gem "rack", :version => "1.0.1" I get: can't activate rack (~> 1.0.1, runtime) for [], already activated rack-1.0.0 for [] So what I really need to do is bypass my app's request to use 1.0.1, and use Dreamhost's 1.0.0. Does anyone know how to configure this? Is it even possible? Thanks for the help.

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• Generating Javascript from PHP?

  - by Aristotle

  Are there any libraries or tools specifically designed to help PHP programmers write Javascript? Essentially, converting the PHP logic into Javascript logic. For instance: $document = new Document($html); $myFoo = $document->getElementById("foo"); $myFoo->value = "Hello World"; Being converted into the following output: var myFoo = document.getElementById("foo"); myFoo.value = "Hello World"; Of course it would be excellent if more complicated solutions could be derived too, perhaps converting objects and internal methods into javascript-objects, etc.

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• Set Theory and .NET

  - by MasterMax1313

  Recently I came across a situation where set theory and set math fit what I was doing to the letter (granted there was an easier way to accomplish what I needed - i.e. LINQ - but I didn't think of that at the time). However I didn't know of any generic set libraries. Granted IEnumerables provide some set operations (Union, etc.), but nothing like Intersection or set comparison. Can anyone point out something that fits here? Something that implements set math using a generic type?

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• Python - do big doc strings waste memory?

  - by orokusaki

  I understand that in Python a string is simply an expression and a string by itself would be garbage collected immediately upon return of control to a code's caller, but... Large class/method doc strings in your code: do they waste memory by building the string objects up? Module level doc strings: are they stored infinitely by the interpreter? Does this even matter? My only concern came from the idea that if I'm using a large framework like Django, or multiple large open source libraries, they tend to be very well documented with potentially multiple megabytes of text. In these cases are the doc strings loaded into memory for code that's used along the way, and then kept there, or is it collected immediately like normal strings?

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• Libqxt under Qt Creator

  - by I'm Dario

  I want to create a tiny app which needs global shortcuts. So, I have downloaded the current version of libqxt (0.5.1) and opened as a project in Qt Creator. Libqxt compiles without problems in this way, so I thought that adding this in the tab Dependencies of my project it would get added automatically in the build, like Eclipse does with JAR libraries (I know that are different IDEs but it seems to be a common feature among them). What happens? Qt Creator compiles qxt before my project, when needed, but when I want to include its headers Qt Creator keeps warning me that it cannot find them. Probably I am missing the correct name of headers (I tried the headers showed in qxt documentation: http://doc.libqxt.org/0.5.0/classQxtGlobalShortcut.html) By the way, I looked the code for global shortcuts and I think I can rip it out and use it in my app as is and I am going to credit qxt team and open the code of my app.

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• How get Android 2.1 SDK to recognize new class: SignalStrength

  - by Doughy

  The new Android 2.1 SDK (version 7) has a new class called SignalStrength: http://developer.android.com/reference/android/telephony/SignalStrength.html I updated my SDK in Eclipse to include the 2.1 add-on, and now I am trying to use this new class. However, when I go to do an import android.telephony.SignalStrength, it can't find it. Do I have to somehow reset my project to refresh the SDK so it knows about the new libraries? How can I get it to recognize this new class? Thanks.

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• Is there a difference between boost iostream mapped file and boost interprocess mapped file?

  - by Yijinsei

  I want to create a mapped binary file into memory; however I am not sure how to create the file to be mapped into the system. I read the documentation several times and realize there are 2 mapped file implementations, one in iostream and the other in interprocess. Do you guys have any idea on how to create a mapped file into shared memory? I am trying to allow a multi-threaded program to read an array of large double written in a binary file format. Also what is the difference between the mapped file in iostream and interprocess?

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• Implementation of a general-purpose object structure (property bag)

  - by Thomas Wanner

  We need to implement some general-purpose object structure, much like an object in dynamic languages, that would give us a possibility of creating the whole object graph on-the-fly. This class has to be serializable and somehow user friendly. So far we have made some experiments with class derived from Dictionary<string, object> using the dot notation path to store properties and collections in the object tree. We have also find an article that implements something similar, but it doesn't seem to fit completely into our picture either. Do you know about some good implementations / libraries that deal with a similar problem or do you have any (non-trivial) ideas that could help us with our own implementation ? Also, I probably have to say that we are using .NET 3.5, so we can't take advantage of the new features in .NET 4.0 like dynamic type etc. (as far as I know it's also not possible to use any subset of it in .NET 3.5 solution).

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• What is the right license for tutorial source code ?

  - by devdude

  Putting sourcecode from tutorials or books online requires the author to add some kind of disclaimer or license (otherwise people would use it make lots of $$$ or break a power plant IT control system and sue you as author). But what is the right license or disclaimer statement ? Can I use BSD license with ... IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,... We are talking about tutorials ! Released to teach and share knowledge. Or do I need to follow the (potentially different) licenses of the libraries I use ? Might be insignificant now but I feel we will face a license hunt in "public" sourcecode (aka OSS) in future, similar to companies/lawyers currently crawling the web for pictures with wrong copyright statement or infringing their IP (and suing someone using a picture in a personal blog,etc..).

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• ASP.NET MVC 2 - Account controller not found

  - by Chris

  Hi all, I've recently created an ASP.NET MVC 2 application, which works perfectly in the development environment. However, when I deploy it to the server (123-reg Premium Hosting), I can access all of the expected areas - except the Account controller (www.host.info/Account). This then attempts to redirect to the Error.aspx page (www.host.info/Shared/Error.aspx) which it cannot find. I've checked that all of the views have been published, and they're all in the correct place. It seems bizarre that two other controllers can be accessed with no problems, whereas the Account controller cannot be found. I have since renamed the AccountController to SecureController, and all of the dependencies, to no avail. The problem with not being able to find the Error.aspx page also occurs on the development environment. Any ideas would be greatly appreciated. Thanks, Chris

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• How te execute with /bin/false shell

  - by Amar

  Hello I am trying to setup per-user fastcgi scripts that will run each on different port and with different user. Here is example of my script: #!/bin/bash BIND=127.0.0.1:9001 USER=user PHP_FCGI_CHILDREN=2 PHP_FCGI_MAX_REQUESTS=10000 etc... However, if I add user with /bin/false (which I want, since this is about to be something like shared hosting and I dont want users to have shell access), the script is run'd under 1001, 1002 'user' which, as I googled, might be security hole. My question is: Is it possible to allow user(s) execute shell scripts but disable them to log in via SSH ? Thank you

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• My website just got hacked - what do I tell my boss and client?

  - by Christopher Altman

  http://www.computerworld.com/s/article/9175783/Network_Solutions_sites_hacked_again One of our clients had a WordPress website on Network Solutions shared hosting. It got hacked. The resolution is to migrate the site over to one of our dedicated, private servers. This process will take 24-36 hours to complete. What do I say to my boss and client? Do I blame Network Solutions? Do I blame WordPress (we recommended it)? Do I just tell each person it is being fixed and everything is just fine?

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• Reading multiple files with PHPExcel

  - by KaOSoFt

  Hello there. I just recently started using this library (the one from CodePlex), but I ran into some issues. My goal is to use it so I can process some data from multiple Excel files, and send such data to a database, per file. I'm doing something like: foreach( $file_list as $file ) { $book = PHPExcel_IOFactory::load( $path . $file ); } So, inside the foreach I'm (for now) just showing the data to the user, but after five files, I get a memory error: Fatal error: Allowed memory size of 33554432 bytes exhausted (tried to allocate 50688 bytes) in /var/www/test/classes/PHPExcel/Shared/OLERead.php on line 76 Is there a way to __destruct the object after each file is loaded, so space is reserved (made free) for the next file, instead of accumulating it, or do you rather know of a reason and work-around for this? Please let me know any suggestions you have. Thanks in advance.

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• Developing Android applications with Visual Studio 2008

  - by Goz

  Hi all, I've recently obtained an HTC Desire and I'm interested in porting my 3D engine to the device. I have a slight annoyance however. I'd love to be able to do development under Visual Studio 2008. Am I to assume I'm going to need to re-process my SLN files to do GCC builds? Its not a vast issue as I already have an application that processes SLN and VCProj files through GCC and then links them together at the other end. I'll just need to set up the right libraries with it. Are there any other gotchas I need to think about? Or, indeed, is there an easier way? Any info would be much appreciated! Cheers :)

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• Software to Tune/Calibrate Properties for Heuristic Algorithms

  - by Karussell

  Today I read that there is a software called WinCalibra (scroll a bit down) which can take a text file with properties as input. This program can then optimize the input properties based on the output values of your algorithm. See this paper or the user documentation for more information (see link above; sadly doc is a zipped exe). Do you know other software which can do the same which runs under Linux? (preferable Open Source) EDIT: Since I need this for a java application I will now invest my research in java libraries like jgap. Other ideas and links would be appreciated!

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• Python/Django: Which authorize.net library should I use?

  - by Parand

  I need authorize.net integration for subscription payments, likely using CIM. The requirements are simple - recurring monthly payments, with a few different price points. Customer credit card info will be stored a authorize.net . There are quite a few libraries and code snippets around, I'm looking for recommendations as to which work best. Satchmo seems more than I need, and it looks like it's complex. Django-Bursar seems like what I need, but it's listed as alpha. The adroll/authorize library also looks pretty good. The CIM XML APIs don't look too bad, I could connect directly with them. And there are quite a few other code snippets. What's the best choice right now, given my fairly simple requirements?

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• Share data between usercontrols

  - by toraan

  On my page I have n-userControls (same control) I need to communicate between them(to be more specific I need to pass one in value) . I don't want to involve the hosting page for that. The controls acts as "pagers" and interact with the paged data on the hostin page via events that hosting page is subscribed to. So when user click on one of the pager and changes it's state, the other control should know about it and change itself accordingly. I can not use VieState because viewstate is per control and so is the controlstate. Can I use Session for that? (session is shared and there is only one value that i need to store) Or maybe there is something better I can use? (no QueryString)

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