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• What good open source programs exist for fuzzing popular image file types?

  - by JohnnySoftware

  I am looking for a free, open source, portable fuzzing tool for popular image file types that is written in either Java, Python, or Jython. Ideally, it would accept specifications for the fuzzable fields using some kind of declarative constraints. Non-procedural grammar for specifying constraints are greatly preferred. Otherwise, might as well write them all in Python or whatever. Just specifying ranges of valid values or expressions for them. Ideally, it would support some kind of generative programming to export the fuzzer into various programming languages to suit cases where more customization was required. If it supported a direct-manipulation GUI for controlling parameter values and ranges, that would be nice too. The file formats that should be supported are: GIF JPEG PNG So basically, it should be sort of a toolkit consisting of ready-to-run utility, a framework or library, and be capable of generating the fuzzed files directly as well as from programs it generates. It needs to be simple so that test images can be created quickly. It should have a batch capability for creating a series of images. Creating just one at a time would be too painful. I do not want a hacking tool, just a QA tool. Basically, I just want to address concerns that it is taking too long to get commonplace image rendering/parsing libraries stable and trustworthy.

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• PHP/MySQL won't update decimal field

  - by Serhiy

  I have this query: UPDATE table_name SET field_1 = field_1 +100, field_2 = field_2 +100, field_3 = field_3 +100 WHERE id = 1 LIMIT 1; Where Field_1 is regular integer, Field_2 is decimal(15,6) and Field_3 is double(15,6). When I run this query from php script they update just field_1 and nothing happen with field_2 and field_3 they just stay as before. But when I run in phpMyAdmin it's work without any problems. I'm tried to lock tables, make round() before run update, nothing help. Please help... why I can't update decimal and float fields from php? PHP version: 5.2 Mysql version 5

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• handling activity destruction in multithreaded android app

  - by Jayesh

  Hi, I have a multithreded app where background threads are used to load data over network or from disk/db. Every once in a while user will perform some action e.g. fetch news over network, which will spawn a background AsyncTask, but for some reason user will quit the app (press back button so that activity gets destroyed). In most such scenarios, I make appropriate checks in the background thread after it returns from n/w i/o, so that it won't crash by accessing members of the activity that is destroyed by now. However some corner cases are left where crashes happen, because the background thread would access some member of activity that is now null. Do other Android developers have some generic/recommended framework to handle such scenarios? These are the times when I wish android would have guaranteed termination of all threads when activity destroys (in the same way that regular linux process cleans up when it's quit)... but I guess Android devs had good reasons for not exposing process lifetimes through the api.

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• Redirect URL from AJAX Calls

  - by Vincent

  All, I have an application written in Zend MVC Framework. So, naturally all regular requests and ajax requests go through /public/index.php. I want my application to support maintenance mode. So, in my index.php file, I have the following code: if( Zend_Registry::get('config')->maintenance == 'true' ) { header('Location:/maintenance.php'); } The issue is, when ajax requests are called they render servermaintenance.php inside the page instead of redirecting to this page. How can I make sure it gets redirected instead of getting rendered? Thanks

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• How can I pass in a params of Expression<Func<T, object>> to a method?

  - by Pure.Krome

  Hi folks, I have the following two methods :- public static IQueryable<T> IncludeAssociations<T>(this IQueryable<T> source, params string[] associations) { ... } public static IQueryable<T> IncludeAssociations<T>(this IQueryable<T> source, params Expression<Func<T, object>>[] expressions) { ... } Now, when I try and pass in a params of Expression<Func<T, object>>[], it always calls the first method (the string[]' and of course, that value isNULL`) Eg. Expression<Func<Order, object>> x1 = x => x.User; Expression<Func<Order, object>> x2 = x => x.User.Passport; var foo = _orderRepo .Find() .IncludeAssociations(new {x1, x2} ) .ToList(); Can anyone see what I've done wrong? Why is it thinking my params are a string? Can I force the type, of the 2x variables?

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• Watir question regarding selecting a hidden dropdown.

  - by AJ

  Hi, I have two dropdowns, the second dropdown does not show until a choice is made from the first one. Using watir, i can select the first dropdown, and when i watch it, the second one becomes active, but it cannot select it. i just tried the regular select_list using name and id. Here is the code for the second drop down. <td> <input type="hidden" value="1" name="list" id="list"> <script type="text/JavaScript" language="JavaScript"></script> <select> <option value="">1</option> <option value="2">2</option> <option value="3">3</option> </select> </td> I've also notice the value for the hidden field change as i select different options. Thanks for any help

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• POST data disapearing on large file upload

  - by DfKimera

  I'm having issues with a file uploading utility in my PHP application. When sending large files (9MB+) over the form, I get a very odd behaviour: the POST data I've included in the form dissapears, including the file information. I've already increased all PHP limits I could (time limit, max input time, post max size, memory limit and upload max filesize) and I still can't get the proper behaviour. I've tried replacing the regular HTTP forms with a Flash-based solution (SWFUpload, www.swfupload.org), still the same behaviour. I've tried multiple files of similar sizes and its definitely not a particular file issue. I've debugged the POST vars sent using Firebug, and the correct variables are still there in the header, together with the file. What could be going on here?

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• Does Java Mac OSX native look and feel respect UIManager font changes?

  - by Erik Lickerman

  I have a java applet and the only look and feel that works properly is the native mac one. I wanted to make the fonts a bit larger and tried using the standard UIManager methods UIManager.put("Label.font", new Font("Georgia", Font.PLAIN, 18)); This produces no change. It does not throw an exception, of course. Does anyone know if the native mac look and feel ignores these? I know there are specific ways to make controls different sizes on mac but these only seem to make them smaller. You cannot make the controls larger than regular.

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• Memory management of objects returned by methods (iOS / Objective-C)

  - by iOSNewb

  I am learning Objective-C and iOS programming through the terrific iTunesU course posted by Stanford (http://www.stanford.edu/class/cs193p/cgi-bin/drupal/) Assignment 2 is to create a calculator with variable buttons. The chain of commands (e.g. 3+x-y) is stored in a NSMutableArray as "anExpression", and then we sub in random values for x and y based on an NSDictionary to get a solution. This part of the assignment is tripping me up: The final two [methods] “convert” anExpression to/from a property list: + (id)propertyListForExpression:(id)anExpression; + (id)expressionForPropertyList:(id)propertyList; You’ll remember from lecture that a property list is just any combination of NSArray, NSDictionary, NSString, NSNumber, etc., so why do we even need this method since anExpression is already a property list? (Since the expressions we build are NSMutableArrays that contain only NSString and NSNumber objects, they are, indeed, already property lists.) Well, because the caller of our API has no idea that anExpression is a property list. That’s an internal implementation detail we have chosen not to expose to callers. Even so, you may think, the implementation of these two methods is easy because anExpression is already a property list so we can just return the argument right back, right? Well, yes and no. The memory management on this one is a bit tricky. We’ll leave it up to you to figure out. Give it your best shot. Obviously, I am missing something with respect to memory management because I don't see why I can't just return the passed arguments right back. Thanks in advance for any answers!

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• Integrating WebSockets with Rails using Rack and Event Machine

  - by Toby Hede

  I have created an Asynchronous version of Rails 3 that I would like to integrate with a WebSocket implementation. I am using EventMachine, Ruby 1.9, Fibers and various em-flavoured libraries as documented by the wickedly good Ilya Grigorik. I have been looking at em-websocket as the handler for WebSocket connections but unsure of the best approach for hooking this into a Rails app. Ideally, this would work in a similar fashion to node.js with Express and Socket.io - incoming connections should be detected and dispatched to the WebSocket handler or the regular rails stack as indicated by the HTTP headers & etc. TL;DR WebSocket handler that plugs into an existing Rails application Transparently dispatch incoming WebSocket requests to endpoints in the app

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• Powershell Replace Regex

  - by Brad

  I have a select-string which is seaching an IIS log for a particular string and returning the 2 lines above and one line below. So results look like this: 2012-06-15 18:26:09 98.138.206.39 OutboundConnectionResponse SMTPSVC1 WEB10 - 25 - - 220+mta1083.sbc.mail.ne1.yahoo.com+ESMTP+YSmtp+service+ready 0 0 60 0 218 SMTP - - - - 2012-06-15 18:26:09 98.138.206.39 OutboundConnectionCommand SMTPSVC1 WEB10 - 25 EHLO - WEB10.DOMAINCOM 0 0 4 0 218 SMTP - - - - 2012-06-15 18:26:09 74.125.244.10 OutboundConnectionResponse SMTPSVC1 WEB10 - 25 - - 550+IP+Authorization+check+failed+-+psmtp 0 0 41 0 218 SMTP - - - - 2012-06-15 18:26:09 74.125.244.10 OutboundConnectionCommand SMTPSVC1 WEB10 - 25 RSET - - 0 0 4 0 218 SMTP - - - - Note the third line begins with denoting thats the line that select-string matched upon. I am trying to do a -replace on the to replace it with < font color="red"$1< /font but my replace doesn't seem to work. Here's my code: $results = $results -replace "(^ )(.*)$", "< font color='red'$1< font" Can any powershell regex guru's out there tell me why my regular expression isn't matching? Thanks Brad

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• Nesting quotes in JavaScript/HTML

  - by Ryan Elkins

  How do you nest quotes in HTML beyond the second level? As far as I know, there are only 2 types of quotes - single(') and double("). I am aware of escaping - you have to escape in the code but it converts the escaped quotes back to regular quotes when it hits the browser. What is the accepted method to get around something like the following? <p onclick="exampleFunc('<div id="divId"></div>');">Some Text</p> That code prints to the browser: ');"Some Text

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• What features are heavily used in C# 2.0, but is not available in VBNET 2.0, and how to workaround?

  - by Will Marcouiller

  I don't want a war between VBNET and C# developpers, neither is my goal to open a C# VS VBNET confrontation. I would like you all to list a feature that is heavily used in C#, but is not available in VBNET 2.0, and how would you work around to achieve a similar behaviour or purpose? For example: C# Accepts void (return) lambda expressions. Here's an example with FNH mapping: Component(x => x.Address, m => { m.Map(x => x.Number); m.Map(x => x.Street); m.Map(x => x.PostCode); }); This is impossible to do before VBNET 4.0 (supposed to be doable in VBNET 4.0) VBNET Must write a helping method (Sub), and provide the AddressOf this method in order to workaround. Private Sub Helper(ByVal m As MType) m.Map(Function(x) x.Number) m.Map(Function(x) x.Street) m.Map(Function(x) x.PostCode) End Sub ... Component(Function(x) x.Address, AddressOf Helper) Now I know, it is not VBNET 2.0, but this is an example. VBNET 3.0 and 3.5 can used too. Please just mention what version of VBNET this refers to.

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• Fastest PHP Routine To Match Words

  - by Volomike

  What is the fastest way in PHP to take a keyword list and match it to a search result (like an array of titles) for all words? For instance, if my keyword phrase is "great leather shoes", then the following titles would be a match... Get Some Really Great Leather Shoes Leather Shoes Are Great Great Day! Those Are Some Cool Leather Shoes! Shoes, Made of Leather, Can Be Great ...while these would not be a match: Leather Shoes on Sale Today! You'll Love These Leather Shoes Greatly Great Shoes Don't Come Cheap I imagine there's some trick with array functions or a RegEx (Regular Expression) to achieve this rapidly.

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• How practical to change MVC app from traditional authentication to cookieless?

  - by Phil.Wheeler

  I have an application written in MVC that uses your regular .Net Forms Authentication. There's nothing particularly new or exciting going on with it. My client has now asked that users be able to log in to the app on the same machine but in different browsers, or different tabs within the same browser. To my mind, he's asking for a scope change to have authentication moved to cookieless instead of its current design. Not having had any experience with doing this in MVC, I'm curious to know before I get started how much hurt I'm in for by trying this. Are there better ways to do it? What should I consider? Any advice appreciated.

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• iPhone post-processing with a single FBO with Opengl ES 2.0?

  - by Jing

  I am trying to implement post-processing (blur, bloom, etc.) on the iPhone using OpenGL ES 2.0. I am running into some issues. When rendering during my second rendering step, I end up drawing a completely black quad to the screen instead of the scene (it appears that the texture data is missing) so I am wondering if the cause is using a single FBO. Is it incorrect to use a single FBO in the following fashion? For the first pass (regular scene rendering), I attach a texture as COLOR_ATTACHMENT_0 and render to a texture. glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texturebuffer, 0) For the second pass (post-processing), I attach the color renderbuffer to COLOR_ATTACHMENT_0 glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, colorRenderbuffer) Then use the texture from the first pass for rendering as a quad on the screen.

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• Use of RegularExpressionValidator in MS .Net Framework

  - by Lawk Salih

  Hi- I am trying to use the RegularExpressionValidator Control in Visual Studio to validate a textbox for email address expressions. Here's my code (very basic) Email:&nbsp; <input id="Text1" type="text" /><br /> <br /> <input id="Validate" type="button" value="Validate" runat="server" /><br /> <br /> <asp:RegularExpressionValidator ID="RegularExpressionValidator1" runat="server" ErrorMessage="RegularExpressionValidator" ControlToValidate="Validate" ValidationExpression="\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*"></asp:RegularExpressionValidator> Now, when I set controlToValidate to Validate, I get the following error message: Server Error in '/' Application. Control 'Validate' referenced by the ControlToValidate property of 'RegularExpressionValidator1' cannot be validated. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.Web.HttpException: Control 'Validate' referenced by the ControlToValidate property of 'RegularExpressionValidator1' cannot be validated. Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. Stack Trace: [HttpException (0x80004005): Control 'Validate' referenced by the ControlToValidate property of 'RegularExpressionValidator1' cannot be validated.] System.Web.UI.WebControls.BaseValidator.CheckControlValidationProperty(String name, String propertyName) +8734357 System.Web.UI.WebControls.BaseValidator.ControlPropertiesValid() +40 System.Web.UI.WebControls.BaseValidator.get_PropertiesValid() +21 System.Web.UI.WebControls.BaseValidator.OnPreRender(EventArgs e) +27 System.Web.UI.Control.PreRenderRecursiveInternal() +80 System.Web.UI.Control.PreRenderRecursiveInternal() +171 System.Web.UI.Control.PreRenderRecursiveInternal() +171 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +842 Version Information: Microsoft .NET Framework Version:2.0.50727.3607; ASP.NET Version:2.0.50727.3082 I have tried the same mechanism before and have worked; however, this time I am on a new machine, WinXP Pro running IIS v5.1. Any direction would be appreciated.

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• Searching Natural Language Sentence Structure

  - by Cerin

  What's the best way to store and search a database of natural language sentence structure trees? Using OpenNLP's English Treebank Parser, I can get fairly reliable sentence structure parsings for arbitrary sentences. What I'd like to do is create a tool that can extract all the doc strings from my source code, generate these trees for all sentences in the doc strings, store these trees and their associated function name in a database, and then allow a user to search the database using natural language queries. So, given the sentence "This uploads files to a remote machine." for the function upload_files(), I'd have the tree: (TOP (S (NP (DT This)) (VP (VBZ uploads) (NP (NNS files)) (PP (TO to) (NP (DT a) (JJ remote) (NN machine)))) (. .))) If someone entered the query "How can I upload files?", equating to the tree: (TOP (SBARQ (WHADVP (WRB How)) (SQ (MD can) (NP (PRP I)) (VP (VB upload) (NP (NNS files)))) (. ?))) how would I store and query these trees in a SQL database? I've written a simple proof-of-concept script that can perform this search using a mix of regular expressions and network graph parsing, but I'm not sure how I'd implement this in a scalable way. And yes, I realize my example would be trivial to retrieve using a simple keyword search. The idea I'm trying to test is how I might take advantage of grammatical structure, so I can weed-out entries with similar keywords, but a different sentence structure. For example, with the above query, I wouldn't want to retrieve the entry associated with the sentence "Checks a remote machine to find a user that uploads files." which has similar keywords, but is obviously describing a completely different behavior.

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• How do I add a VSTO project as a reference to a unit testing project?

  - by Mathias

  In order not to pollute my projects with unit tests, I like to create a separate project for my unit tests; I add a reference to the project under test in the unit tests project. However, this isn't working that well with my VSTO excel add-in projects: when I create a separate unit test project and go to Add Reference Projects, there is no project to pick. What I have done so far is Add Reference Browse, and pick the add-in dll from the debug folder. I have also run into issues from time to time with this, with the reference suddenly not working, requiring to remove/re-add the dll reference. Can anybody explain why a VSTO project doesn't show up as a regular project? And is there a better way to go about it than what I am doing presently?

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• DotNetNuke adds wrong module to page

  - by Dr Tom

  I've deployed DotNetNuke 07.03.02 to Azure using Azure's own wizard - worked fine. Been using DNN for years on personal server without issues. However, when I try to add a module to a page (i.e regular editing) DNN adds the wrong module to the page; seemingly FirstOrDefault from the list of installed modules. I.E, I want to add the "HTML" module (or any other) to a page but instead I get the "Banners" module. If I then uninstall the the Banners module it now adds the "Modules list" module. See below example, where I'm editing the "About" page of my site and have tried to add the HTML module. I hope anyone with insight into DNN (on Azure) can provide info. I am a .Net developer, but have so far had no reason to dig into DNN's inner workings.

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• Creating C# form fields with events based off of a text file

  - by evolve

  I need to generate windows form fields based off of a text file that I am parsing. I also want to automatically generate validation event handlers which all will be basically the same only the form field and the regular expression which is used to validate the field will change. I'm having a difficult time figuring out the quickest and easiest method to go about doing this. Any pointers in the right direction would really be great, maybe even some keywords that I'm missing. I can only imagine this type of question has been covered before, I just don't know what I'm searching for really.

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• Doing a ajax / json add to database, and have a "wait doing operation" icon

  - by Dejan.S

  Hi. I got a part on my page I want to improve. It's a file upload that users can add their contacts from files like excel, csv & outlook. I read the contacts and place them in the database, so what I would like to do is to have a regular icon that spins while that operation is doing that, how could I do that? Ajax? I don't want progress bar for the file upload but the operation for reading the file EDIT: I want to know how to make this work with the add to database using ajax. like should I use a updatepanel? Thanks

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• Scalable (half-million files) version control system

  - by hashable

  We use SVN for our source-code revision control and are experimenting using it for non-source-code files. We are working with a large set (300-500k) of short (1-4kB) text files that will be updated on a regular basis and need to version control it. We tried using SVN in flat-file mode and it is struggling to handle the first commit (500k files checked in) taking about 36 hours. On a daily basis, we need the system to be able to handle 10k modified files per commit transaction in a short time (<5 min). My questions: Is SVN the right solution for my purpose. The initial speed seems too slow for practical use. If Yes, is there a particular svn server implementation that is fast? (We are currently using the gnu/linux default svn server and command line client.) If No, what are the best f/oss/commercial alternatives Thanks

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• Loading xml with Jquery - why doesn't this work

  - by es11

  I have regular javascript code and am trying to utilize JQuery just to load and parse an xml file. I have the following: function loadXml() { $(function() { $.ajax({ type: "GET", url: "my_file.xml", dataType: "xml", success: parseXml }); }); } function parseXml() { alert("Parsing..."); } When calling loadXml I cannot get the callback success function to execute. I am running this all locally and my_file.xml resides in the same directory as this javascript. Any ideas?

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• Issues reading CSV file using OLEDB when filenamen have period

  - by Rodel Dagumampan

  Issues reading CSV file using OLEDB when filenamen have period. I have a code in C# that reads CSV File using OleDBProvider. It works perfect with filenames in regular format such as Budget.csv but failed when i renamed the file into Budget.DKK.csv or Budget.USD.csv I throws this exception: he Microsoft Jet database engine could not find the object 'Budget.DKK.csv'. Make sure the object exists and that you spell its name and the path name correctly. I have no idea so far why is this happenning.

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