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Rate: $100.00 USD/hour
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David Weiss

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Username: DavidWeiss

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Location: Valencia, Spain

Member since: June 2008

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4.9/5

(78 reviews)

7.4
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1 user has recommended this freelancer.

  • $13 USD
    5.0
    Profile image for Seller smartlit

    smartlit

    Mar 13, 2014

    Very good coder!

    Project Description:Hi, I need a simple routine in C# that takes in input a ZIP filename and it scrambles it. For "scramble" I mean that it overwrites a few bytes in the ZIP files so that Windows (and other programs) do not recognize it as a valid ZIP file...
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  • $500 USD
    5.0
    Profile image for Seller alnetenterprises

    alnetenterprises

    Mar 1, 2014

    David, made a great suggestions to my project and I took his advises. We are planning on working together on next generation of my project.

    Project Description:I have flash/action script project that allows users to create ID badges. Idea here is that flash loads xml and build graphical representation in flash. User later can modify, add, delete components, As of right now I have labels, images, portrait and barcode...
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  • $3000 USD
    5.0
    Profile image for Seller per2013

    per2013

    Nov 8, 2013

    Very professional developer. Project on time, solution even better than requested, lightweight code and optimized program. Will hire this freelancer again if solution needed!

    Project Description:We need, as soon as possible, a server-side solution that based on simple input (height, width, length, rooftype, position of doors and windows) dynamically generates a 3D-file and store this file with...
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  • $300 USD
    4.8
    Profile image for Seller sasneutrino

    sasneutrino

    Sep 6, 2013

    Excellent work, again!

    Project Description:Please consider the enclosed code. I want 3 new features : 1. Make the bounding boxes axis aligned, and slowly increasing along time. (The max size being the size of the area) 2. On pressing "v", I want to display/hide simple lines between submarines in the same swarm to show the network...
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  • $750 USD
    5.0
    Profile image for Seller sasneutrino

    sasneutrino

    Sep 1, 2013

    David provided EXCELLENT work and finished the project way ahead of schedule. I will definitely hire him again!

    Project Description:Please consider the enclosed source code ( Also available with a video on http://www.decarpentier.nl/boids ). The project is a 3D swarm simulation. The code has been written in C++ with Microsoft Visual C++ .NET 2003 and use raw OpenGL function calls to render 3D...
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  • £789 GBP
    0.0
    Profile image for Seller mtechmatt

    mtechmatt [ Incomplete Report ]

    Aug 19, 2013

    The project is not completed according to the dispute

    Project Description:Following on from a recent project, (attached) Where a .NET application has been made to show tables and data, we now require further works doing. Please see the attached documentation. Ultimately it...
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  • £200 GBP
    5.0
    Profile image for Seller mtechmatt

    mtechmatt

    Aug 17, 2013

    Great work as usual, and working with David again already...

    Project Description:Develop a control for use in .NET applications for the display of table data. The control should be a child for for an MDI application, for .NET use (so write in either VB or C#) We will call the creation of the control/form, and pass to it a pointer to a data structure...
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  • $8530 USD
    5.0
    Profile image for Seller neoburgi

    neoburgi

    Mar 23, 2013

    He has done a perfect job and I am looking forward to the next project with him.

    Project Description:Dear all. I am looking for a programmer, which has a good knowledge in establishing bluetooth connections between different devices like pc to phone or pc to smartwatch. Our actual software was written in C# and uses .Net framework...
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  • £200 GBP
    5.0
    Profile image for Seller mtechmatt

    mtechmatt

    Mar 11, 2013

    A+++ as always from David

    Project Description:As discussed in the chat. a custom graph chart project with VB.Net app demo
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  • $250 USD
    4.8
    Profile image for Seller ttblue

    ttblue

    Feb 22, 2013

    Good work, thankyou.

    Project Description:Visual Studio 2005 ( Only this version) application for Windows CE .NET 2.0 BaseImage - A new class based on Paintbox. Application consists of a Form. When the form is clicked and dragged an object of class BaseImage is placed on the form...
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    David Weiss has not completed any projects.
  • $750 USD In Progress

    We would like to create a prototype of an intelligent question and answer application. This prototype should be created quickly to demonstrate the idea to managers. If the idea goes through, we will need to implement the entire system as well.The system allows users to answer a set of questions. Each question may be either free-text, multiple choice, number or range of numbers. As the user answers questions, the system analyses the answers in real time, and according to pre-defined rules, it may add more questions to the queue, or show specific instructions to the user.The system also allows managers to define the rules for how to analyze these answers and respond to this analysis.The demo must read and write an XML file containing these instructions, and must actually allow manipulating the rules for analysis and saving them as well. No tests or error handling is needed at this point, it is just a prototype. However, the UI needs to be slick and animated.

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  • $2000 USD In Progress

    in relation with the previous job offer, as per your request we suggest to work on the motion editor for our moving screens project. which is phase 1 of the overall project we have been discussing.https://www.freelancer.com/projects/Software-Architecture-User-Interface-IA/Adobe-premiere-plugin-development.html

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  • $2500 USD In Progress

    [This is a Private Project. You must be logged in to view the Project Description]

  • $1500 USD 4 days ago

    We already have .NET "native engine" wrapper for several source control systems, but now we need to implement support for GitIn the attached archive I"ve included:1) Functional specs2) Technical specs3) Internal coding standards4) Code files / Interfaces needed for the engine to implement5) Examples and test UI application to test the new engine and allow us to also test it when createdAlthough the specs mention Git, Mercurial, and Perforce, for this project we ONLY need Git support to start withProject will be accepted after our internal developer and QA teams receive source code per included instructions, and:a) The code we receive is functional (can be built) and is following supplied internal coding standardsb) Created wrapper engine works well with latest available Git version (1.9.0 or newer)c) Engine quality and performance are sufficient for everyday use in mid-to-large sized source control repositories

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  • $1500 CAD 6 days ago

    Please see attached file for requirement details.

  • [Sealed] 7 days ago

    We need a DLL module to extract and parse email messages from Thunderbird or Windows Live Mail inbox files. Thunderbird uses MBOX file format which is actually a big plain-text file in which all email messages are stored. Windows Live Mail saves each email message as an EML file. EML files are also plain-text files containing email headers, body, and other parts. So the DLL should read each folder, extract each message (either in the MBOX or EML file), parse email headers (Sender"s name and address, Recipients" names and addresses, Date, Subject, etc.), extract body parts (plain-text and HTML, MIME), and send them to our host application.Requirements:- We need fully documented, and compilable source code.- Compiled DLL binary for both Win32 and Win64 platforms must be deployed.- The DLL should be able to parse different encoding and character sets to correctly parse Non-English text in subject, body, or sender and recipient names.- There is a programming interface for communicating with the host application which is developed by us. This interface will be given to the winner developer and the produced DLL should comply with it. The DLL will be tested by us using our own host application.- You can use C, C++, C#, or Delphi as the programming language.- No dependency on 3rd-party library or component is acceptable. You can only rely on your own code or the standard library or framework provided by your chosen programming language.- Performance and resource consumptions are very critical. The faster your code can parse the messages and the less it consumes RAM and CPU, the better it is, and the more chance you have to win the project. Compiled binary demo for testing performance is very welcomed.

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  • €3000 EUR 7 days ago

    Construction of an industrial machine in 3d modeling, animation and simulation of the interaction between man and machine.

  • $5500 USD 9 days ago

    Hello I need a mobile app like siri but for android! ALOT more details when you bid.

  • $526 USD 9 days ago

    I need help for Velocity SDK. Requirements.NET Framework 3.5 with Service Pack 1Velocity Client 3.1.17 with KB 419.1 or greaterWindows XP SP2, Windows Server 2003Microsoft Visual Studio 2005, 2008...

  • $250 USD 10 days ago

    Hello guys,WE need to have someone the knowledge of .NET and Flash.. Here"s what we would like to do. We have lots and lots of Base64 encoded text data which is being retrieved in flash and is then uncompressed/decoded using bzip or some other algorithm in flash action scripting.The Base 64 sample data and the action scripting file (which probably contains information on how the data is being uncompressed) is attached, I want the code in either C# or VB.NET to decode this data. We have quite a few files like this and want someone to work with us on per decryption basis. We aren"t looking to pay more than $75 per decryption, this is an ongoing project and one project will followed by next. WE have too many files, so as much as you can do, we are ready to give you more and more files.. Here"s the sample..Files:Base64 Data.txt contains Base 64 encoded data which is further encoded/compressed by zlib or other functionFlash Action Scripting Decoder.txt contains function that uncompress byte array(ba) which already contains Base64 decoded data.Let us know, how many and how quickly you can do these per day..? Please only bid, if you can really do it, and are able to successfully understand the scope of the project and do the sample. If you do, please let us know your bid and timeframe for the batch of 50.

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  • $1500 USD 10 days ago

    I need someone to make an interactive map of europe, where, if you make a mouseover, it willshow information abut the countries.

  • $4210 USD 12 days ago

    An app for English learning that includes text from a book integrated with phrases, word search, translation (Google Translate API), sound.

  • $3000 USD 25 days ago

    Programador para un proyecto de bingo tradicional

  • ₹421052 INR 25 days ago

    Complex shapes will be represented using triangle mesh in a Polyhedral 3D modeler. Modeler basically modify shapes, and perform analysis of spatial properties.We need to handle customer issues on Polyhedral 3D modeler and enhance it. We will work with people having passion in 3d modeling, mathematics, algorithms.We need long term commitment.

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  • $5263 USD 26 days ago

    We need some development with Bluetooth 4.0 using the 8.1 SDK

  • €1500 EUR 26 days ago

    implementaçao de programa para resolver um projeto teorico relacionado com euromilhoes

  • $1500 USD Mar 20, 2014

    Develop a messaging application for connection to SMSC using SMPP Connections parameters. There is a .net dll available

  • £1500 GBP Mar 20, 2014

    We have a good idea of what we are after. We require the font in two weights and two languages (English & German

  • $1500 USD Mar 18, 2014

    I have a javascript library that mainly uses drag and drop actions. It has fair documentation. I want to port it to c#. If you have the experience in c# creating drag and drop applications please post a bid. I will reply with the complete requirements. Please only bid if you have ratings in freelancer.com - Companies and full time freelancers are preferred. Thanks

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  • $1250 USD Mar 15, 2014

    Hi,We are the online payment system software company. We want to check some of ecommerce web site ssl certificates ( Like this link: http://www.sslshopper.com/ssl-checker.html ) and domain Whois informations (Like this http://who.is/ exp date, admin contact email, nameserver, registrar name etc.) regularly.We will check ecommerce companies ssl certificate and whois informations automatically.I mean we don"t want to check from any web site because we are planing to make this automatically. (Maybe thousand of certificates with in couple of hours)Module could be work on every type of ssl certificate and domains.We will use this module in our program.We will get this module with SOURCE CODE.Regards

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  • $515 USD Mar 13, 2014

    AS LONG PROFOSYONEL more than 10 years, BORADCAST, ELECTRONIC, ELECTRICAL AND ARCHITECTURAL DRAWINGS"m doing.

  • $2500 USD Mar 12, 2014

    This program will allow for visual preparation of TIFF files. A list of "DocTypes" will be used to divide a multiple page TIFF into smaller units of documents. The user will be able to visually move a page, or pages of the original TIFF into different documents. The user will be able to rearrange pages inside documents, delete pages, rotate pages and finally commit the finished job. Each document will have one associated DocType assigned to it.Detailed requirements, sample TIFFs and sample code are attached.

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  • €300 EUR Nov 6, 2013

    Hay una esquema de funcionamiento de pago. En esta esquema hay dos conexiones, GATE (sistema propio) por un lado y por otro Sistema Pagos (web money etc...). La nesesidad es tener un "modulo" o lo que sea, escrito en PHP, para comparar las transacciones despues de cierre de un dia operativo. Y luego formar un report XML. Con diferecias, errores etc (el formato se puede mostrar). El fichero debe contener el estado de transacciones en ambos lados (gate, sistema pagos)... Se supone que para cada sistema de pagos seria un desarollo propio. Pero la idea principal es hacer un modulo comun. Para empezar el proyecto consiste en desarollo de modulo, generacion de ficheros para dos sistemas Web Money y Qiwi.

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    David Weiss does not have any open projects.
    David Weiss does not have any work in progress.
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