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  • Is executing SQL through a WebService a really bad idea?

    - by Kyle
    Typically when creating a simple tool or something that has to use a database, I go through the fairly long process of first creating a webservice that connects to a database then creating methods on this webservice that do all the type of queries I need.. methods like List<Users> GetUsers() { ... } User GetUserByID(int id) { ... } //More Get/Update/Add/Delete methods Is it terrible design to simply make the webservice as secure as I can (not quite sure the way to do something like this yet) and just make a couple methods like this SqlDataReader RunQuery(string sql) { ... } void RunNonQuery(string sql) { ... } I would sorta be like exposing my database to the internet I suppose, which sounds bad but I'm not sure. I just feel like I waste so much time running everything through this webservice, there has to be a quicker yet safe way that doesn't involve my application connecting directly to the database (the application can't connect directly to database because the database isn't open to any connections but localhost, and where the appliction resides the standard sql ports are blocked anyway) Especially when I just need to run a few simple queries

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  • How often should saving to disk occur in an automatically saving text editor?

    - by lelandmiller
    I am developing a simple text editor and would like the application to save the text automatically. In other words, the user would never have to press a save button. I have seen other applications that do this, and was wondering how often is it safe to write files to disk? From a user experience standpoint, it seems that the more frequently this happens the better, but I am worried about performance and possible disk wear (especially on writes to SSDs). It seems like the operating system disk caching might help avoid these problems, but I also don't know if its safe to rely on that for an application like this. I was planning on writing the whole document to disk at each save, but this just seems terribly inefficient if the OS ends up writing it to disk to frequently, but relying on program unload may lose data in the case of a crash. Does anyone have any experience dealing with this that might be able to help?

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  • Why was Apple&rsquo;s prediction on iPads so wrong?

    - by BizTalk Visionary
    by Robert Scoble on April 14, 2010 Apple has announced it is selling far more iPads than it expected and is delaying the worldwide launch by a month. I am seeing this problem in US too. There are lines in stores (when I went back to buy a third iPad I had to wait in line). The demand is nuts for iPads. So why did Everything Apple guess its prediction so wrong? …….. Read more....

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  • TypeScript for Visual Studio 2012

    - by TATWORTH
    Originally posted on: http://geekswithblogs.net/TATWORTH/archive/2013/06/21/typescript-for-visual-studio-2012.aspxAt http://www.microsoft.com/en-us/download/details.aspx?id=34790, Microsoft provide a free download of TypeScript for Visual Studio 2012. The documentation site is at http://www.typescriptlang.org/It is described as TypeScript is a language for application-scale JavaScript development.TypeScript is a typed superset of JavaScript that compiles to plain JavaScript.Any browser. Any host. Any OS. Open Source.TypeScript starts from the syntax and semantics that millions of JavaScript developers know today.TypeScript compiles to clean, simple JavaScript code which runs on any browser, in Node.js, or in any other ES3-compatible environment.With TypeScript, you can use existing JavaScript code, incorporate popular JavaScript libraries, and be called from other JavaScript code.These features are available at development time for high-confidence application development, but are compiled into simple JavaScript.If you have written JavaScript, you will know why I welcome the release of version 0.9 of TypeScript as TypeScript should be a lot less frustrating to write. I suggest you go to https://typescript.codeplex.com/ and follow this very promising project.

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  • TIOBE : Objective-C plus populaire que C++, le langage d'Apple entre dans le top 3 du classement

    TIOBE : Objective-C plus populaire que C++ le langage d'Apple entre dans le top 3 du classement Mise à jour du 03/07/2012 La popularité de l'iPhone et de l'iPad se fait ressentir sur l'indice Tiobe pour le mois de juillet. Le classement des langages les plus populaires par Tiobe au cours de cette période montre une hausse considérable de la part de marché de l'Objective-C, déclassant ainsi C++. Le langage de programmation d'Apple pour ses dispositifs sous iOS entre dans le top trois des langages les plus populaires avec une part de 9,33 %, en hausse de 4,14 % par rapport à la même période de l'an dernie...

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  • London Nov-8: Desktop Virtualisation Seminar

    - by mprove
    >> Simplify Application and Data Access with Oracle Desktop VirtualisationMany companies claim they’ll handle your application access needs, and yet only Oracle can provide you with every component needed for secure and reliable access to Oracle Applications and other enterprise software from a variety of devices. This means you can design your deployment knowing that all of the pieces work together, from applications and virtualisation to servers and storage systems.Join us to learn how Oracle desktop virtualisation helps you get the most from your valuable IT resources. Topics we’ll cover and demonstrate in this productive half-day event include: How to provide secure access to applications and data from nearly anywhere on a wide range of devices Use cases for desktop virtualisation How desktop virtualisation can support a wider business transformation agenda Reasons to embrace employees using their own devices for work-related activities How virtualisation can extend the life of your PCs and other devices How desktop virtualisation can decrease your carbon footprint and IT costs << Register here for the free event

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  • Secure Web Apps from SQL Injection in ASP.Net

    In the first part of this two-part series you learned how SQL injection works in ASP.NET 3.5 using a MS SQL database. You were also shown with a real web application which was not secure against SQL injection attacks how these attacks can be used by the hacker to delete sensitive information from your website such as database tables. In this part you will learn how to start securing your web applications so they will not be vulnerable to these kinds of exploits. A complete corrected example of the insecure web application will be provided at the end of this tutorial.... ALM Software Solution ? Try it live! Requirements Management, Project Planning, Implementation Tracking & QA Testing.

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  • Un million d'identifiants uniques d'appareils Apple dans la nature, piratés d'un laptop du FBI par un groupe de hackers

    Un million d'identifiants uniques d'appareils Apple dans la nature Piratés d'un laptop du FBI par un groupe de hackers La rumeur circulait déjà, mais des données postées sur le service Pastebin viennent la confirmer. Un million d'identifiants uniques (UDIDs) d'appareils iOS (iPhone, iPad, iPod) sont dans la nature. [IMG]http://idelways.developpez.com/news/images/FBI-Apple-security-breach.jpg[/IMG] L'acte a été prémédité par un groupe de hackers nommé Antisec. Le fichier de la liste en question comporte plus de 12 millions d'enregistrements de dispositifs, incluant des UDIDs Apple, des noms d'utilisateurs, des jetons de notifications push, et dans certains...

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  • How Do You Test Your Software ?

    - by Kubi
    I'm currently working on 2 software projects: A Social Networking Web Site for an NGO A Patient Management System for a hospital Although I've been programming for 5 years, I can't just say that I'm very good at testing or Test Driven Designing an application. How would you arrange your Software Testing before coding phase, during coding and after you finished the coding phase for a. providing stakeholders with information about the quality of the product or service under test. b. providing an objective, independent view of the software to allow the business to appreciate and understand the risks of software implementation. and how do you understand that your program/application/product c. meets the business and technical requirements that guided its design and development d. works as expected p.s. please feel free to edit the question since my english is not very powerful.

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  • Partner Webcast – Oracle Coherence Applications on WebLogic 12c Grid - 21st Nov 2013

    - by Roxana Babiciu
    Oracle Coherence is the industry leading in-memory data grid solution that enables organizations to predictably scale mission-critical applications by providing fast access to frequently used data. As data volumes and customer expectations increase, driven by the “internet of things”, social, mobile, cloud and always-connected devices, so does the need to handle more data in real-time, offload over-burdened shared data services and provide availability guarantees.The latest release of Oracle Coherence 12c comes with great improvements in ease of use, integration and RASP (Reliability, Availability, Scalability, and Performance) areas. In addition it features an innovating approach to build and deploy Coherence Application as an integral part of typical JEE Enterprise Application.Read more here

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  • share folder in server torrent daemon like in DC(Direct Connect )

    - by alex_bubuker
    So my question: is it possible to share on a server torrent daemon/application a whole folder with films? I had expirience with DC(Direct Connect) applications and it worked well. I selected folder and exec command share == other people stared to download files from my computer. In my expirience with torrent application you should first create torrent file and then people can download file from you. So is there any torrent client/plugin for torrent client that DC-like behaviour become possible? If it is possible at all ... Thank you

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  • Taking a Projects Development to the Next Level

    - by user1745022
    I have been looking for some advice for a while on how to handle a project I am working on, but to no avail. I am pretty much on my fourth iteration of improving an "application" I am working on; the first two times were in Excel, the third Time in Access, and now in Visual Studio. The field is manufacturing. The basic idea is I am taking read-only data from a massive Sybase server, filtering it and creating much smaller tables in Access daily (using delete and append Queries) and then doing a bunch of stuff. More specifically, I use a series of queries to either combine data from multiple tables or group data in specific ways (aggregate functions), and then I place this data into a table (so I can sort and manipulate data using DAO.recordset and run multiple custom algorithms). This process is then repeated multiple times throughout the database until a set of relevant tables are created. Many times I will create a field in a query with a value such as 1.1 so that when I append it to a table I can store information in the field from the algorithms. So as the process continues the number of fields for the tables change. The overall application consists of 4 "back-end" databases linked together on a shared drive, with various output (either front-end access applications or Excel). So my question is is this how many data driven applications that solve problems essentially work? Each backend database is updated with fresh data daily and updating each takes around 10 seconds (for three) and 2 minutes(for 1). Project Objectives. I want/am moving to SQL Server soon. Front End will be a Web Application (I know basic web-development and like the administration flexibility) and visual-studio will be IDE with c#/.NET. Should these algorithms be run "inside the database," or using a series of C# functions on each server request. I know you're not supposed to store data in a database unless it is an actual data point, and in Access I have many columns that just hold calculations from algorithms in vba. The truth is, I have seen multiple professional Access applications, and have never seen one that has the complexity or does even close to what mine does (for better or worse). But I know some professional software applications are 1000 times better then mine. So Please Please Please give me a suggestion of some sort. I have been completely on my own and need some guidance on how to approach this project the right way.

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  • Can we ask idea of software?

    - by jailed abroad
    I am new to Programmers Stack Exchange. I have read the faq. I have a basic question here that can I ask about the idea of developing software. Just for sake of example, I have started a job in software house and my CEO hands me a project. And I have no idea or flow chart in my mind through which I would develop that application. For example client needs an E-diary. I have idea of WPF but lacking flow of app. So my question is can I ask about the app that "what would be the idea to develop the application"?

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  • De plus en plus de français sont des mobinautes, quel avenir pour les connexions via un ordinateur et un navigateur classique ?

    De plus en plus de français sont des mobinautes, quel avenir pour les connexions via un ordinateur et un navigateur classique ? Médiamétrie vient de publier les résultats de son étude qui portait sur la façon de surfer des français en 2010. Celle-ci montre une augmentation de l'accès au Net par les terminaux mobiles, au détriment des ordinateurs et des navigateurs. «En moyenne, on compte tous les mois 15,5 millions de mobinautes, soit 3,3 millions de plus que l'année dernière», peut-on y lire. Ceci représente une augmentation de 32.5% par rapport aux chiffres de 2007. D'ailleurs, l'iPad se taille la part du lion et représente à lui seul 14.8% des connexions mobiles de décembre 2010. Ce changement dans ...

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  • Unintentional run-in with C# thread concurrency

    - by geekrutherford
    For the first time today we began conducting load testing on a ASP.NET application already in production. Obviously you would normally want to load test prior to releasing to a production environment, but that isn't the point here.   We ran a test which simulated 5 users hitting the application doing the same actions simultaneously. The first few pages visited seemed fine and then things just hung for a while before the test failed. While the test was running I was viewing the performance counters on the server noting that the CPU was consistently pegged at 100% until the testing tool gave up.   Fortunately the application logs all exceptions including those unhandled to the database (thanks to log4net). I checked the log and low and behold the error was:   System.ArgumentException: An item with the same key has already been added. (The rest of the stack trace intentionally omitted)   Since the code was running with debug on the line number where the exception occured was also provided. I began inspecting the code and almost immediately it hit me, the section of code responsible for the exception is trying to initialize a static class. My next question was how is this code being hit multiple times when I have a rudimentary check already in place to prevent this kind of thing (i.e. a check on a public variable of the static class before entering the initializing routine). The answer...the check fails because the value is not set before other threads have already made it through.   Not being one who consistently works with threading I wasn't quite sure how to handle this problem. Fortunately a co-worker recalled having to lock a section of code in the past but couldn't recall exactly how. After a quick search on Google the solution is as follows:   Object objLock = new Object(); lock(objLock) { //logic requiring lock }   The lock statement takes an object and tells the .NET runtime that the current thread has exclusive access while the code within brackets is executing. Once the code completes, the lock is released for another thread to utilize.   In my case, I only need to execute the inner code once to initialize my static class. So within the brackets I have a check on a public variable to prevent it from being initialized again.

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  • Sharing between new install and Windows 7 boxes not working, either direction. Printers & folders

    - by Steve
    I don't seem to be able to share between my Ubuntu (fresh install) and any of my Windows machines. I tried using this guide: How to Share Folders in Ubuntu & Access them from Windows 7. The problems is that I cannot see the Ubuntu machine in my network pane on the Windows machine. Any Ideas of what I should check? Ultimately what I am looking to do is make mobile media server that I can put in the Van, attach a WiFi router, and stream to an iPad, tablet, laptop, etc. Any advice on setting this up would be appreciated.

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  • Alt + # shorcut, how to remove?

    - by Qocko
    Being a World of Warcraft player, I use keyboard combinations to cast spells and "alt + #" is one of the combination, # being the key just before the 1 2 3 4 [...], under "escape" and on top of "tab" (I have a "French(canada)" keyboard). I've searched in the keyboard options, the shorcuts parts and I found nothing, I even tried to assign it randomly, hopping it'll overwrite the real shorcut but it didn't. When I press "alt + #" I have a "alt + tab" like but just for one type of window. For exemple it'll make me navigate through many instances of folder, but it won't switch to another application. It just cycle through the open windows of one application. Help me get rid of this annoying shorcut please ! Thanks in advance.

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  • Is there an industry standard for systems registered user permissions in terms of database model?

    - by EASI
    I developed many applications with registered user access for my enterprise clients. In many years I have changed my way of doing it, specially because I used many programming languages and database types along time. Some of them not very simple as view, create and/or edit permissions for each module in the application, or light as access or can't access certain module. But now that I am developing a very extensive application with many modules and many kinds of users to access them, I was wondering if there is an standard model for doing it, because I already see that's the simple or the light way won't be enough.

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