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  • detect when a webpage is updated

    - by Martin Trigaux
    Hello, There is a website (very simple) which will be updated soon and I'd like to receive an alert at the moment it changes (like a sound, a popup,...) I guess I should send request every x minutes and compare the result with what's now but I don't know how to do that. I don't really care about the language used, I know java, python, php, a bit of c and bash (I'm on linux)... Thank you

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  • sending request to a page

    - by gklots
    hi there. I'm trying to fill-out a form automatically and press a button on that form and wait for a response. How do I go about doing this? To be more particular, I have a a --HUGE-- collection DNA strains which I need to compare to each-other. Luckily, there's a website that does exactly what I need. Basically, I type-in 2 different sequences of DNA and click the "Align Sequences" button and get a result (the calculation of the score is not relevant). Is there a way to make a Java program that will automatically insert the input, "click" the button and read the response from this website? Thanks!

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  • Changing a site name or domain

    - by halabira
    I got an active social networking site right now with about 530 members and I would like to change my site's domain name to another one.My question is how can you do this efficiently without losing my members?Do I need to create a redirect page for the old members?

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  • JavaScript: String Concatenation slow performance? Array.join('')?

    - by NickNick
    I've read that if I have a for loop, I should not use string concation because it's slow. Such as: for (i=0;i<10000000;i++) { str += 'a'; } And instead, I should use Array.join(), since it's much faster: var tmp = []; for (i=0;i<10000000;i++) { tmp.push('a'); } var str = tmp.join(''); However, I have also read that string concatention is ONLY a problem for Internet Explorer and that browsers such as Safari/Chrome, which use Webkit, actually perform FASTER is using string concatention than Array.join(). I've attempting to find a performance comparison between all major browser of string concatenation vs Array.join() and haven't been able to find one. As such, what is faster and more efficient JavaScript code? Using string concatenation or Array.join()?

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  • Move links div aside h1, above tagline p

    - by noquierouser
    I have a page that has CSS media queries in it, and I was requested to do this: Mobile layout: Desktop layout: Now, the HTML code is placed like this: <div id="content"> <h1>the title</h1> <p>this is the tagline of the site</p> <ul> <li>link 1</li> <li>link 2</li> <li>link 3</li> </ul> </div> I'm having quite a problem trying to achieve the desktop layout. I tried wrapping <h1> and <p> in a <div> and style it with float: left, but it didn't look as requested (the tagline is wider). I also tried with position: absolute for the <ul>, but also didn't look as requested (make the #content wider is not an option). Do you have any suggestions to achieve this without using javascript? Update: I've uploaded the code to my Koding so you can see what I'm actually doing. This is the CSS. I'm also using normalize.css. The problem I'm having now is what do the different browsers show: I think the problem might be in how do the browsers calculate the tagline's width, but as you can try with the code, if you make the tagline's text shorter, it looks more like Opera's rendering. Have I stumbled with a bug or am I making some mistake in my CSS?

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  • Dynamic web widget

    - by user1824996
    My vendor offers a widget creation service where I can login to their page, set initial values of a search form, after the save button is clicked, I can copy & paste the script code on my website to display a product search result widget. I am thinking to change this static widget to a dynamic one. Since my programming knowledge is limited, can experts tell me if it's possible to login https remotely (using cURL) and set search form values equal to values on my page (every time my page content changes, it will change the form value), then save the form. So the widget script I pasted on my page will always be refreshed to new search result. So the issue will involve cross domain, form submission & server/browser communication. I know a little jQuery, PHP, Ajax, cURL but so far I stuck with just having an idea but not really sure how to implement it.

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  • Html width 100%

    - by vtortola
    Hi, This is driving me nuts. What happens with "width:100%" ? Apparently it just works in IExplore, so I think it's one of those things Microsoft made up. But then... how do you tell to a element that has to take all available parent's space in a way that all browsers can understand? Cheers?

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  • Ask the Readers: Which Web Browser Do You Use?

    - by Mysticgeek
    Yesterday we looked at the Browser Ballot Screen, which offers 12 different browsers as alternatives to IE for European Windows users. This got us thinking about this weeks question. What browser do you use for your daily web navigation?   Yesterday we showed you the Browser Ballot Screen which was introduced in March to Windows users in Europe. While it offers the choice of the most well known browsers on the market, there are some obscure choices as well. This got us thinking about what web browser(s) you use at home, in the office, or even on your mobile devices. Some people might have a favorite browser they use at home but are required to use IE at work due to proprietary applications the company uses. Also, if you use an operating system other than Windows, you might favor Safari, Firefox, Konqueror..etc. What web browser do you use? Leave a comment and join in the discussion! Similar Articles Productive Geek Tips Mysticgeek Blog: A Look at Internet Explorer 8 Beta 1 on Windows XPSet the Default Browser on Ubuntu From the Command LineAnnouncing the How-To Geek ForumsHow-To Geek Bounty: $103.24(Paid!) for Active Desktop for VistaA Few Things I’ve Learned from Writing at How-To Geek TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips Revo Uninstaller Pro Registry Mechanic 9 for Windows PC Tools Internet Security Suite 2010 PCmover Professional Explore Google Public Data Visually The Ultimate Excel Cheatsheet Convert the Quick Launch Bar into a Super Application Launcher Automate Tasks in Linux with Crontab Discover New Bundled Feeds in Google Reader Play Music in Chrome by Simply Dragging a File

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  • Cross Platform Data Access with Xamarin & C# For iPhone, iPad, and Android - Local, Web Services, & Sql Server

    - by Wallym
    The following is a link to cross platform data access training with Xamarin & C#.   It is intended for use on iPhone, iPad, and Android devices.  The course covers local data in Sqlite, calling Web Services via REST and JSON, and calling Sql Server. Url: http://www.learnnowonline.com/course/cpx2/xamarin-cross-platform-data-access/  Course Data  Applications live on data. These applications can vary from an online social network service, to a company’s internal database, to simple data, and all points in between. This Course will focus on how to easily access data on the device, communicate back and forth with a web service, and then finally to a SQL server database. Outline Local Data (27:36) Introduction (00:36) Problem (01:57) Solution (02:01) LINQ (02:03) LINQ Status (00:48) SQLite (02:18) SQLite - .Net Developers (00:50) SQLite-net (01:07) SQLite-net Attributes (02:10) Getting Started (01:09) CRUD (01:05) SQLite Platforms (01:17) Demo: SQLite – Android (04:53) Demo: SQLite – iOS (04:56) Summary (00:20) Web Services Data (32:43) Introduction (00:19) Async Commands (03:15) HttpClient (01:26) HTTP Verbs (01:29) Notes (00:58) GET Operation (01:37) JSON.NET (01:50) Images (01:16) Other Http Verbs (01:27) Post (03:18) Demo: Http – iOS prt1 (05:26) Demo: Http – iOS prt2 (05:28) Demo: Http – Android (04:20) Summary (00:27) Direct Data (12:33) Introduction (00:23) Remote Data - Direct (02:47) Sql Server (01:15) Demo: Sql Server – iOS (04:15) Demo: Sql Server – Android (01:49) "codepage 1252 not supported" (01:03) Other Resources (00:43) Summary (00:15) Note: Thanks to Frank Kreuger for his data access library Sqlite-Net.  It is very helpful and I have used it in some other projects beyond just this training session.

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  • Oracle Linux Partner Pavilion Spotlight

    - by Ted Davis
    With the first day of Oracle OpenWorld starting in less than a week, we wanted to showcase some of our premier partners exhibiting in the Oracle Linux Partner Pavilion ( Booth #1033) this year. We have Independent Hardware Vendors, Independent Software Vendors and Systems Integrators that show the breadth of support in the Oracle Linux and Oracle VM ecosystem. We'll be highlighting partners all week so feel free to come back check us out. Centrify delivers integrated software and cloud-based solutions that centrally control, secure and audit access to cross-platform systems, mobile devices and applications by leveraging the infrastructure organizations already own. From the data center and into the cloud, more than 4,500 organizations, including 40 percent of the Fortune 50 and more than 60 Federal agencies, rely on Centrify's identity consolidation and privilege management solutions to reduce IT expenses, strengthen security and meet compliance requirements. Visit Centrify at Oracle OpenWorld 2102 for a look at Centrify Suite and see how you can streamline security management on Oracle Linux.  Unify identities across the enterprise and remove the pain and security issues associated with managing local user accounts by leveraging Active Directory Implement a least-privilege security model with flexible, role-based controls that protect privileged operations while still granting users the privileges they need to perform their job Get a central, global view of audited user sessions across your Oracle Linux environment  "Data Intensity's cloud infrastructure leverages Oracle VM and Oracle Linux to provide highly available enterprise application management solutions.  Engineers will be available to answer questions about and demonstrate the technology, including management tools, configuration do's and don'ts, high availability, live migration, integrating the technology with Oracle software, and how the integrated support process works."    Mellanox’s end-to-end InfiniBand and Ethernet server and storage interconnect solutions deliver the highest performance, efficiency and scalability for enterprise, high-performance cloud and web 2.0 applications. Mellanox’s interconnect solutions accelerate Oracle RAC query throughput performance to reach 50Gb/s compared to TCP/IP based competing solutions that cap off at less than 12Gb/s. Mellanox solutions help Oracle’s Exadata to deliver 10X performance boost at 50% Hardware cost making it the world’s leading database appliance. Thanks for reviewing today's Partner spotlight. We will highlight new partners each day this week leading up to Oracle OpenWorld.

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  • Web workflow solution - how should I approach the design?

    - by Tom Pickles
    We've been tasked with creating a web based workflow tool to track change management. It has a single workflow with multiple synchronous tasks for the most part, but branch out at a point to tasks running in parallel which meet up later on. There will be all sorts of people using the application, and all of them will need to see their outstanding tasks for each change, but only theirs, not others. There will also be a high level group of people who oversee all changes, so need to see everything. They will need to see tasks which have not been done in the specified time, who's responsible etc. The data will be persisted to a SQL database. It'll all be put together using .Net. I've been trying to learn and implement OOP into my designs of late, but I'm wondering if this is moot in this instance as it may be better to have the business logic for this in stored procedures in the DB. I could use POCO's, a front end layer and a data access layer for the web application and just use it as a mechanism for CRUD actions on the DB, then use SP's fired in the DB to apply the business rules. On the other hand, I could use an object oriented design within the web app, but as the data in the app is state-less, is this a bad idea? I could try and model out the whole application into a class structure, implementing interfaces, base classes and all that good stuff. So I would create a change class, which contained a list of task classes/types, which defined each task, and implement an ITask interface etc. Put end-user types into the tasks to identify who should be doing what task. Then apply all the business logic in the respective class methods etc. What approach do you guys think I should be using for this solution?

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  • Pros and Cons of Facebook's React vs. Web Components (Polymer)

    - by CletusW
    What are the main benefits of Facebook's React over the upcoming Web Components spec and vice versa (or perhaps a more apples-to-apples comparison would be to Google's Polymer library)? According to this JSConf EU talk and the React homepage, the main benefits of React are: Decoupling and increased cohesion using a component model Abstraction, Composition and Expressivity Virtual DOM & Synthetic events (which basically means they completely re-implemented the DOM and its event system) Enables modern HTML5 event stuff on IE 8 Server-side rendering Testability Bindings to SVG, VML, and <canvas> Almost everything mentioned is being integrated into browsers natively through Web Components except this virtual DOM concept (obviously). I can see how the virtual DOM and synthetic events can be beneficial today to support old browsers, but isn't throwing away a huge chunk of native browser code kind of like shooting yourself in the foot in the long term? As far as modern browsers are concerned, isn't that a lot of unnecessary overhead/reinventing of the wheel? Here are some things I think React is missing that Web Components will care of. Correct me if I'm wrong. Native browser support (read "guaranteed to be faster") Write script in a scripting language, write styles in a styling language, write markup in a markup language. Style encapsulation using Shadow DOM React instead has this, which requires writing CSS in JavaScript. Not pretty. Two-way binding

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  • Python Web Applications: What is the way and the method to handle Registrations, Login-Logouts and Cookies? [on hold]

    - by Phil
    I am working on a simple Python web application for learning purposes. I have chosen a very minimalistic and simple framework. I have done a significant amount of research but I couldn't find a source clearly explaining what I need, which is as follows: I would like to learn more about: User registration User Log-ins User Log-outs User auto-logins I have successfully handled items 1 and 3 due to their simple nature. However, I am confused with item 2 (log-ins) and item 4 (auto-logins). When a user enters username and password, and after hashing with salts and matching it in the DB; What information should I store in the cookies in order to keep the user logged in during the session? Do I keep username+password but encrypt them? Both or just password? Do I keep username and a generated key matching their password? If I want the user to be able to auto-login (when they leave and come back to the web page), what information then is kept in the cookies? I don't want to use modules or libraries that handle these things automatically. I want to learn basics and why something is the way it is. I would also like to point out that I do not mind reading anything you might offer on the topic that explains hows and whys. Possibly with algorithm diagrams to show the process. Some information: I know about setting headers, cookies, encryption (up to some level, obviously not an expert!), request objects, SQLAlchemy etc. I don't want any data kept in a single web application server's store. I want multiple app-servers to be handle a user, and whatever needs to be kept on the server to be done with a Postgres/MySQL via SQLAlchemy (I think, this is called stateless?) Thank you.

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