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  • Decoding AAC using MediaCodec API on Android

    - by Benjamin Reed
    I'm trying to used the MediaCodec API on Android to decode an AAC stream. (It's raw AAC.) I tried using the MediaFormat.createAudioFormat() to create the format object to pass to MediaCodec.configure(), but I kept getting errors when using AAC (audio/mp4a-latm). (It works with MP3 (audio/mpeg) though...) Finally I created a MediaExtractor for an AAC file and looked at the format object it was producing. I saw that it included the key "csd-0" for a ByteBuffer composed of two bytes both with the value 0x12. If I include that key and value in the format object that I used to configure the AAC codec, everything works. Does anyone have an idea what is going on? The documentation states that I shouldn't configure that key. Does anyone have a pointer to MediaCodec examples to decode AAC files without using MediaExtractor to generate the format object?

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  • Urlscan 3.1 block User Agent

    - by Benjamin
    I need to block requests from certain User Agents to our Sharepoint Environment that have been identified after going through the IIS logs. I have tried the below by amending the urlscan.ini config file and doing and iisreset, but it doesn't block anything. Am I entering the correct strings? I'm copying user agent string from the iis logs http://blogs.msdn.com/rakkimk/archive/2009/06/12/urlscan-rejecting-the-request-depending-on-the-user-agent-string.aspx

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  • Automapper: Map an Enum to its [Description] attribute

    - by Seth Petry-Johnson
    I have a source object that looks like this: private class SourceObject { public Enum1 EnumProp1 { get; set; } public Enum2 EnumProp2 { get; set; } } The enums are decorated with a custom [Description] attribute that provides a string representation, and I have an extension method .GetDescription() that returns it. How do I map these enum properties using that extension? I'm trying to map to an object like this: private class DestinationObject { public string Enum1Description { get; set; } public string Enum2Description { get; set; } } I think a custom formatter is my best bet, but I can't figure out how to add the formatter and specify which field to map from at the same time.

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  • Slow loading jQuery Autocomplete

    - by Andrew G. Johnson
    Hi I am building an internal app for my company using jQuery's autocomplete and am finding it tends to start off very slow. My assumption is that the bottle neck is perhaps adding its elements to the DOM since after the first query it seems to be substantially speedier. Does anyone know of a way to pre-load these elements on page load instead of doing it for the first time when the user starts typing?

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  • WebSocket handshake with Ruby and EM::WebSocket::Server

    - by Chad Johnson
    I am trying to create a simple WebSocket connection in JavaScript against my Rails app. I get the following: WebSocket connection to 'ws://localhost:4000/' failed: Error during WebSocket handshake: 'Sec-WebSocket-Accept' header is missing What am I doing wrong? Here is my code: JavaScript: var socket = new WebSocket('ws://localhost:4000'); socket.onopen = function() { var handshake = "GET / HTTP/1.1\n" + "Host: localhost\n" + "Upgrade: websocket\n" + "Connection: Upgrade\n" + "Sec-WebSocket-Key: x3JJHMbDL1EzLkh9GBhXDw==\n" + "Sec-WebSocket-Protocol: quote\n" + "Sec-WebSocket-Version: 13\n" + "Origin: http://localhost\n"; socket.send(handshake); }; socket.onmessage = function(data) { console.log(data); }; Ruby: require 'rubygems' require 'em-websocket-server' module QuoteService class WebSocket < EventMachine::WebSocket::Server def on_connect handshake_response = "HTTP/1.1 101 Switching Protocols\n" handshake_response << "Upgrade: websocket\n" handshake_response << "Connection: Upgrade\n" handshake_response << "Sec-WebSocket-Accept: HSmrc0sMlYUkAGmm5OPpG2HaGWk=\n" handshake_response << "Sec-WebSocket-Protocol: quote\n" send_message(handshake_response) end def on_receive(data) puts 'RECEIVED: ' + data end end end EventMachine.run do print 'Starting WebSocket server...' EventMachine.start_server '0.0.0.0', 4000, QuoteService::WebSocket puts 'running' end The handshake headers are per Wikipedia.

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  • Merge Cells Vertically in RTF

    - by Jimmy Johnson
    I need to programmatically generate an RTF document with a table that has a column vertically merged., e.x. ______________________________ | merged | foo | hello | | cell | | | | right |--------|----------| | here | bar | world | |_________|________|__________| I looked up online and found that the codes are \clvmgf and \clvmrg but I can't find a decent example. I made a text rtf using MS word, but there's too much junk rtf codes in it for me to figure it out where to put the \clvmgf and \clvmrg to get this to work. Could someone give me an rtf for above example table with no extraneous rtf codes so I can figure out how \clvmgf and \clvmrg works? Any additional explanation would also be greatly appreciated. Thanks!

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  • How to Delete a Virtual Directory from an FTP Site in IIS 7 and IIS 7.5 using C#/VB.Net and WMI?

    - by Steve Johnson
    Hi all. I hope everybody is doing fine. I try to delete a virtual directory using WMi (Server Manager Class) and recreate with different values. The problem i am facing is that the virtual directory is not getting deleted. Please help. Here is my code. Try Using mgr As New ServerManager() Dim site As Site = mgr.Sites(DomainName) Dim app As Application = site.Applications("/") '.CreateElement() '("/" & VirDirName) Dim VirDir As VirtualDirectory = app.VirtualDirectories.CreateElement() For Each VirDir In app.VirtualDirectories If VirDir("path") = "/" & VirDirName Then app.VirtualDirectories.Remove(VirDir) Exit For End If Next mgr.CommitChanges() End Using Catch Err As Exception Ex = Err Throw New Exception(Err.Message, Ex) End Try

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  • Angle and Length of Wind Barb Flags

    - by Kristopher Johnson
    I am working on an application that displays surface winds. Wind speed and direction will be displayed using "wind barb" symbols, as described here: Plotted Winds My question: Are there any standards for the angles and lengths of the "flags" in relation to the the wind-barb "pole"? Eyeballing the diagrams I've seen, I think that an angle of 60 degrees and a flag length about a third as long as the pole length would look fine, but if there are any officially defined standards for these symbols, I'd like to follow them. Note: This app will not be used for navigation, so it is not very important that it look exactly like an official chart. I just don't want it to be ugly, or to look obviously wrong to a knowledgeable user.

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  • ExtJs - Set a fixed width in a center layout in a Panel

    - by Benjamin
    Hi all, Using ExtJs. I'm trying to design a main which is divided into three sub panels (a tree list, a grid and a panel). The way it works is that you have a tree list (west) with elements, you click on an element which populates the grid (center), then you click on an element in the grid and that generates the panel (west). My main panel containing the three other ones has been defined with a layout 'border'. Now the problem I face is that the center layout (the grid) has been defined in the code with a fixed width and the west panel as an auto width. But when the interface gets generated, the grid width is suddenly taking all the space in the interface instead of the west panel. The code looks like that: var exploits_details_panel = new Ext.Panel({ region: 'east', autoWidth: true, autoScroll: true, html: 'test' }); var exploit_commands = new Ext.grid.GridPanel({ store: new Ext.data.Store({ autoDestroy: true }), sortable: true, autoWidth: false, region: 'center', stripeRows: true, autoScroll: true, border: true, width: 225, columns: [ {header: 'command', width: 150, sortable: true}, {header: 'date', width: 70, sortable: true} ] }); var exploits_tree = new Ext.tree.TreePanel({ border: true, region: 'west', width: 200, useArrows: true, autoScroll: true, animate: true, containerScroll: true, rootVisible: false, root: {nodeType: 'async'}, dataUrl: '/ui/modules/select/exploits/tree', listeners: { 'click': function(node) { } } }); var exploits = new Ext.Panel({ id: 'beef-configuration-exploits', title: 'Auto-Exploit', region: 'center', split: true, autoScroll: true, layout: { type: 'border', padding: '5', align: 'left' }, items: [exploits_tree, exploit_commands, exploits_details_panel] }); Here 'var exploits' is my main panel containing the three other sub panels. The 'exploits_tree' is the tree list containing some elements. When you click on one of the elements the grid 'exploit_commands' gets populated and when you click in one of the populated elements, the 'exploits_details_panel' panel gets generated. How can I set a fixed width on 'exploit_commands'? Thanks for your time.

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  • Constant opacity with glBlendFunc on iPhone

    - by Jeff Johnson
    What glBlendFunc should I use to ensure that the opacity of my drawing is always the same? When I use glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA) and multiple images are drawn on top of each other, the result is more and more opaque until it's completely opaque after a certain number of imgaes. The closest I have come is to use glBlendFunc(GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA) which maintains a constant opacity no matter how many images are on top of each other, although there is a slight variation in opacity if the images overlap each other. Any other render states I should consider trying? Any other ideas? I am making a drawing app for my kid and I don't want the images (brush) they draw to cover up the background. Heres the closest I've got: I want to have it so that the overlap part of the circles is the same color and opacity as the center part of the circle. I am using cocos2d iphone v. 0.99

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  • debugging C++ when compared to debugging C

    - by benjamin button
    HI, I am normally a C programmer. I do regularly debug C programs on unix environment using tools like gdb,dbx. i have never done debugging of big applications of C++. Is that much different from how we debug in C. theoretically i am quite good in C++ but have never got a chance to debug C++ programs. I am also not sure about what kind of technical problems we face in c++ which will lead a developer to switch on the debugger for finding out the problem. what are the common issues we face in C++ which will make debugger to be started what are the challenges that a c programmer might face while debugging a C++ program? Is it difficult and complex when compared to C?

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  • Howto I get the user domain\username and Display name From SharePoint People Picker InternalId?

    - by Benjamin Wong
    I have been trying to user sharepoint designer to retrieve the user's full name and even the domain\username from the people pucker field but the problem is I tend to get numbers. It looks like the intetrnal Id. In my case I am getting 14 instead of domain\username from the list form's field. Any idea on where I can get the dmain\username or even better the full name? Thanks !! I am using SharePoint Designer and Windows Sharepoint Services 3/SharePoint 2007. Update : I have managed to get the domain\username now. I just had to change the people picker's show field to ID. However now I am getting a weird prefix on my domain\username. I am getting this -1;#domain\username instead of just domain\username. Anybody know how I can overcome this? Thanks !!

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  • Best way to detect integer overflow in C/C++

    - by Chris Johnson
    I was writing a program in C++ to find all solutions of a^b = c (a to the power of b), where a, b and c together use all the digits 0-9 exactly once. The program looped over values of a and b, and ran a digit-counting routine each time on a, b and a^b to check if the digits condition was satisfied. However, spurious solutions can be generated when a^b overflows the integer limit. I ended up checking for this using code like: unsigned long b, c, c_test; ... c_test=c*b; // Possible overflow if (c_test/b != c) {/* There has been an overflow*/} else c=c_test; // No overflow Is there a better way of testing for overflow? I know that some chips have an internal flag that is set when overflow occurs, but I've never seen it accessed through C or C++.

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  • Extjs - Dynamically generate fields in a FormPanel

    - by Benjamin
    Hi all, I've got a script that generates a form panel: var form = new Ext.FormPanel({ id: 'form-exploit-zombie-'+zombie_ip, formId: 'form-exploit-zombie-'+zombie_ip, border: false, labelWidth: 75, formBind: true, defaultType: 'textfield', url: '/ui/modules/exploit/new', autoHeight: true, buttons:[{ text: 'Execute exploit', handler: function() { var form = Ext.getCmp('form-exploit-zombie-'+zombie_ip); form.getForm().submit({ waitMsg: 'Running exploit ...', success: function() { Ext.beef.msg('Yeh!', 'Exploit sent to the zombie.') }, failure: function() { Ext.beef.msg('Ehhh!', 'An error occured while trying to send the exploit.') } }); } }] }); that same scripts then retrieves a json file from my server which defines how many input fields that form should contain. The script then adds those fields to the form: Ext.each(inputs, function(input) { var input_name; var input_type = 'TextField'; var input_definition = new Array(); if(typeof input == 'string') { input_name = input; var field = new Ext.form.TextField({ id: 'form-zombie-'+zombie_ip+'-field-'+input_name, fieldLabel: input_name, name: 'txt_'+input_name, width: 175, allowBlank:false }); form.add(field); } else if(typeof input == 'object') { //input_name = array_key(input); for(definition in input) { if(typeof definition == 'string') { } } } else { return; } }); Finally, the form is added to the appropriate panel in my interface: panel.add(form); panel.doLayout(); The problem I have is: when I submit the form by clicking on the button, the http request sent to my server does not contain the fields added to the form. In other words, I'm not posting those fields to the server. Anyone knows why and how I could fix that? Thanks for your time.

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  • POCO Best Practice

    - by Paul Johnson
    All, I have a series of domain objects (project is NHibernate based). Currently as per 'good practice' they define only the business objects, comprising properties and methods specific to each objects function within the domain. However one of the objects has a requirement to send an SMTP message. I have a simple SMTP client class defined in a separate 'Utilities' assembly. In order to use this mail client from within the POCO, I would need to hold a reference to the utilities assembly in the domain. My query is this... Is it a departure from best practice to hold such a reference in a POCO, for the purpose of gaining necessary business functionality. Kind Regards Paul J.

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  • Properly handling possible System.NullReferenceException in lambda expressions

    - by Travis Johnson
    Here's the query in question return _projectDetail.ExpenditureDetails .Where(detail => detail.ProgramFund == _programFund && detail.Expenditure.User == _creditCardHolder) .Sum(detail => detail.ExpenditureAmounts.FirstOrDefault( amount => amount.isCurrent && !amount.requiresAudit) .CommittedMonthlyRecord.ProjectedEac); Table Structure ProjectDetails (1 to Many) ExpenditureDetails ExpenditureDetails (1 to Many) ExpenditureAmounts ExpenditureAmounts (1 to 1) CommittedMonthlyRecords ProjectedEac is a decimal field on the CommittedMonthlyRecords. The problem I discovered in a Unit test (albeit an unlikely event), that the following line could be null: detail.ExpenditureAmounts.FirstOrDefault( amount => amount.isCurrent && !amount.requiresAudit) My original query was a nested loop, in where I would be making multiple trips to the database, something I don't want to repeat. I've looked in to what seemed like some similar questions here, but the solution didn't seem to fit. Any ideas?

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  • Return extra data besides tree data from ExtJS TreeLoader dataUrl?

    - by Chad Johnson
    I asked this question in the Ext JS forums, but I received no responses, so I am asking here. I have a TreePanel (code below) that uses a TreeLoader and an AsyncTreeNode. In my API method specified by the TreeLoader's dataUrl, I return a JSON array to populate the tree. This works great, of course. However, I need to return an additional item--an integer--in addition to the array, and I need to display that value somewhere else in my UI. Is this possible? If not, what else would be a good solution? Here's the code I have currently: tree = new Ext.tree.TreePanel({ enableDD: true, rootVisible: false, useArrows: true, loader: new Ext.tree.TreeLoader({ dataUrl: '/api/method' }), root: new Ext.tree.AsyncTreeNode() });

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  • Resize a photo after being submitted with a form via PHP

    - by Benjamin
    I am working on a form that adds employee information to a MySQL table and I need to attach a single photo to the file. This is part of a Content Management System and the users do not know how to resize photos, so I need to resize the image to a set size after it is uploaded. How can this be done with PHP? Please note, I am not trying to accomplish a thumbnail image, simply scale the one that is uploaded.

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  • What production-ready SaaS (recurring billing) solutions are available for Rails?

    - by Benjamin Manns
    I am working on a software-as-a-service (SaaS) application and I am looking for a billing plugin of some sort that will manage my subscriptions, customers, and recurring billing. There is the RailsKits SaaS kit ($249.00), but I prefer to use open source software. I have also found maccman's saasy, but the phrase "At the moment this is alpha code - use at your own risk" makes me a tad bit nervous.

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  • dynamic linking:change of the linking path.

    - by benjamin button
    Normally it happens that when ever the path of the library that has to be linked dynamically is defined in LD_LIBRARY_PATH or it it will be mentioned with -L flag while creating the binary. In actual scenario if ,lets say the binary has been built and deployed at the client place. Now if there is a change in the path of one of the dynamic link library path. then we need to supply a new make file to all the clients where the binary was deployed. is there any other method where we need not tell all the clients to change their makefiles and can something can be done in the code itself? if yes...could anybody please suggest how? This was ironically an interview question that was asked to me and i didnot have the answer for it.

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  • jBASE 4.1 Database Noobster Questions

    - by Steve Johnson
    I am a software developer with devlopment experience in C#, C++ .Net alongwith SQL Server 2005/08, Oracle and mysql. But somehow i dont get jBASE to work at Windows XP SP3 machine. My goal is setup user accounts, create database on a JBASE ainstallation, authenticate and backup/restore few table via a C++ program. And i dont need to do it with builtin backup/restore tools of jBASE. I am able to install jBASe 4.1 aling with all its accessories on my WINXPSP3 machine. I was able to run the jSlimserver and TEMENOUS server along with licnesing server. I was able to add the license key as well. But after that what i was supposed to do? i have no idea about it. The docs and online help doesnt answer a simple question of how to create a database! The google search results from the jbase site all go to the 404 Pages! Can a jBASE expert guide to the following steps: Create a jBASE database. Create users Authenticate via those users Connect to database Create tables and insert data. Connect via a C++ or C# program to connect to jBASE DB and backup/restore tables. I know that this is too much too ask but i dont get to get the JBASE system. I cant get it to work on my System somehow. Btw, jdc and jexloree doesnt seem to do anything. I have checked that enironmental variables for jBASE are setup correctly and i have verified them. There are no extra JRE or JDK installations on my system. Besides all that, only licensing client, slim server and temenous server seem to run and listen for connections and no other execuatable ever seems to work. A simple tutorial to achieve the objective will be highly appreciated. Also if anyone can point out the mistake that i have done or anything i might need to check, then please do so. I will be highly encouraged and obliged. Thanks Steve

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