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  • Most efficient way for testing links

    - by Burnzy
    I'm currently developping an app that is going through all the files on a server and checking every single hrefs to check wether they are valid or not. Using a WebClient or a HttpWebRequest/HttpWebResponse is kinda overkilling the process because it downloads the whole page each time, which is useless, I only need to check if the link do not return 404. What would be the most efficient way? Socket seems to be a good way of doing it, however I'm not quite sure how this works. Thanks for sharing your expertise!

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  • How do I change the curosr during a jQuery synchronous browser blocking POST?

    - by Tommy
    $.ajax({ url: "/cgi-bin/stats.exe", method: "post", async: false, data: { refresh: "a41" } }); Using ajax post synchronously - "async: false". While it blocks the browser during the active request, what is the most efficient way to change the cursor to the hourglass or display a wait .gif? Perhaps set the cursor as it enters this function then change it back in the success or complete function? Any advice is appreciated. Thank You.

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  • HMAC URLs instead of login?

    - by Tres
    In implementing my site (a Rails site if it makes any difference), one of my design priorities is to relieve the user of the need to create yet another username and password while still providing useful per-user functionality. The way I am planning to do this is: User enters information on the site. Information is associated with the user via server-side session. User completes entering information, server sends an access URL via e-mail to the user roughly in the form of: http://siteurl/<user identifier>/<signature: HMAC(secret + salt + user identifier)> User clicks URL, site looks up user ID and salt and computes the HMAC with the server-stored secret and authenticates if the computed HMAC and signature match. My question is: is this a reasonably secure way to accomplish what I'm looking to do? Are there common attacks that would render it useless? Is there a compelling reason to abandon my desire to avoid a username/password? Is there a must-read book or article on the subject? Note that I'm not dealing with credit card numbers or anything exceedingly private, but I would still like to keep the information reasonably secure.

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  • Listen to HTML/CSS events of web page

    - by David Metcalfe
    I'm looking for a way to listen for an event in the HTML/CSS of a webpage. Basically, a website I use at work lists queues and appointments, which flag as yellow/red based on the amount of time late on taking said appointment. Other than this visual aide, there is no alert of any kind, which is a failing point if one is juggling multiple windows and doesn't notice. What I would like to do is put together a simple way to watch for the tag ID or perhaps the flag hex color, and then alert me in a way of my choosing. The work environment is on OS X, so I presume I'm looking at an Objective-C centric solution unless Applescript is capable of doing this. Any help would be greatly appreciated.

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  • What is the standard way to add an icon to a link with CSS?

    - by ewernli
    I'm used to use padding + background-image to place an icon next to a link. There are many example of this approach. Here is one from here: <a class="external" href="http://www.othersite.com/">link</a> a.external { padding-right: 15px; background: transparent url(images/external-link-icon.gif) no-repeat top right; } But most browser don't print background image, which is annoying. What is the standard to place icon next to links which is semantically correct and works in all cases? (I couldn't find an exact similar question. If there is one, just close this one as duplicate)

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  • [JavaScript] How can I load static configuration information

    - by Goro
    In my code, I use JavaScript for UI and PHP for back end. I also use PHP to store application settings and sometimes my UI code needs to access this information. My configuration file looks something like this (config.php): $resolution_x = 1920; $resolution_y = 1080; etc... When I need to access any of these settings form JavaScript, i simply use to substitute the value directly, but it just doesn't strike me as very robust. Are they any dangers of doing this that I am not aware of? Is there a better way of doing this? Thank you,

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  • Using XmlSerializers.dll

    - by Erup
    I know the .XmlSerializers.dll generated, is usefull to improve the startup performance of a XmlSerializer when it serializes or deserializes objects. But how clients can use this assembly?

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  • MVC route with id and sub-action

    - by Dan Revell
    I can't figure out what I need to do with MVC routing to make this work Here's my one route: routes.MapHttpRoute( name: "DefaultApi", routeTemplate: "{controller}/{id}/{action}", defaults: new { id = RouteParameter.Optional, action = RouteParameter.Optional } ); The request /Shipments/ works great. The request /Shipments/3/Packages works great. The request /Shipments/3 however fails with the error: Multiple actions were found that match the request: System.Linq.IQueryable`1[Api.Controllers.RequisitionsController+PackageRequisitionWithTracking] GetPackageRequisitions(Int32) on type Api.Controllers.RequisitionsController Api.Models.ShipmentRequisition GetShipmentRequisitions(Int32) on type Api.Controllers.RequisitionsController It can't seem to differentiate between: public ShipmentRequisition GetShipmentRequisitions(int id) and [ActionName("Packages")] public IQueryable<PackageRequisitionWithTracking> GetPackageRequisitions(int id) I would have thought the lack of action name on the get shipment by id would allow that route to work.

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  • Suggestions for a IRC client implementation on Web plataforms

    - by DomingoSL
    Hello guys, i want to put an IRC client in my webpage, i know there are many clients but not opensource (i dont found any). So, do you know some free and open source proyects to implement an irc client on a webpage? and what do you suggests in term of the plataform, i mean, its a good idea to have one made on flash?, one made in html5?, one made on javascript/php?. Thanks for yours answers.

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  • How to expose a function that takes two input files as a REST resource?

    - by dafmetal
    I need to expose a function, let's say compute that takes two input files: a plan file and a system file. The compute function uses to system file to see whether the plan in the plan file can be executed or not. It produces an output file containing the result of this check including recommendations for the plan. I need to expose this functionality in a REST architecture and have no influence on the compute function itself (it is being developed by another organization). I can control the interface through which it is accessed. What would be a recommended way to expose this functionality in a REST architecture?

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  • UTF8 from web conten .xml file to NSString

    - by mongeta
    Hello, I can't find a way to convert some UTF8 encoding into NSString. I get some data from a URL, it's a .xml file and here is their content: <?xml version="1.0" encoding="UTF-8"?> <person> <name>Jim Fern&#225;ndez</name> <phone>555-1234</phone> </person> How I can convert the á into a á ? some code that doesn't work: NSString* newStr = [[NSString alloc] initWithData:[NSData dataWithContentsOfURL:URL] encoding:NSUTF8StringEncoding];

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  • how to remove spaces and newlines from server response ?

    - by Anil Namde
    When i request a page using browser / AJAX request i see lot of spaces and newlines which i think must be adding some overhead for retrieving the response as they too belong to characters means bytes and size. right ? Is there some way it can be removed while sending from the server ? how ? (I am using IIS and asp.net for development)

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  • NetNamedPipe: varying response time when communication is idling

    - by Sven Künzler
    I have two WCF apps communicating one-way over named pipes. All is nice, except for one thing: Normally, the request/response cycle takes zero (marginal) time. However, if there was a time span of, say, half a minute without any communication, the request/response increases up to ~300-500ms. I looked around the net and I got the idea of using a heart beat/ping mechanism to keep the communication channel busy. Using trial and error I found that when doing a request each 10 seconds, the response times stay low. Starting at around 15s intervals, the "hiccup" response times begin to appear. Now I'm wondering where this phenomenon is originating from. I tried setting alle conceivable timeouts on both sides to 1 minute, but that did not help. Can anybody explain what's going on there?

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  • Any active Bold for Delphi users ?

    - by Roland Bengtsson
    What are you using as a persistance framework when programming in Delphi? If the application is growing it soon became really complicated to handle the model in SQL ? Bold is a persistance framework for Delphi win32 that really deserve more attention. I use it daily and using OCL instead of SQL to get data from the database saves a lot of time and debugging. When the model is changed Bold translate this to an SQL script and change the database. EDIT: For those that are interested in Bold for Delphi I have spend this evening on create a site on Google about it. I'm not a guru in html so the design is maybe not so exciting. But I want comments and reactions about the site. You can leave the comments in this thread or at the bottom on the subpage. And the address is... http://sites.google.com/site/boldfordelphi/

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  • css: howto remove pseudo elements (afer,before, ...)

    - by Thariama
    I would like to use a switch for the layout of paragraph tags on a webpage. I use the after pseudoelement p:after {content: url("../img/paragraph.gif");} Now i need to remove this css code from the page. How can this be done easily (jquery is already used on the page)? (i do not want to include or remove files containing css)

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  • Which jQuery/css menu library for working with ASP.NET TreeView or Menu controls.

    - by ProfK
    I'm looking for a good jQuery or CSS, or combo, library to enance my left side menu in an an intranet application. I don't like the 'hover only' expand/collapse style of the ASP.NET Menu control on its own, and I don't like the 'icon-click only' expand/collapse style of the TreeView control on its own. I plan on trying the CSS Control Adapters, to render the menu with some self-respect, i.e. as nested <ul> or <ol> elements instead of the usual orgy of tables. Beyond that, I need something to give a bit of style and menulike behaviour to these nested lists, and I would prefer a jQuery plugin for this. Which should I use?

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  • When to use @Singleton in a Jersey resource

    - by dexter
    I have a Jersey resource that access the database. Basically it opens a database connection in the initialization of the resource. Performs queries on the resource's methods. I have observed that when I do not use @Singleton, the database is being open at each request. And we know opening a connection is really expensive right? So my question is, should I specify that the resource be singleton or is it really better to keep it at per request especially when the resource is connecting to the database? My resource code looks like this: //Use @Singleton here or not? @Path(/myservice/) public class MyResource { private ResponseGenerator responser; private Log logger = LogFactory.getLog(MyResource.class); public MyResource() { responser = new ResponseGenerator(); } @GET @Path("/clients") public String getClients() { logger.info("GETTING LIST OF CLIENTS"); return responser.returnClients(); } ... // some more methods ... } And I connect to the database using a code similar to this: public class ResponseGenerator { private Connection conn; private PreparedStatement prepStmt; private ResultSet rs; public ResponseGenerator(){ Class.forName("org.h2.Driver"); conn = DriverManager.getConnection("jdbc:h2:testdb"); } public String returnClients(){ String result; try{ prepStmt = conn.prepareStatement("SELECT * FROM hosts"); rs = prepStmt.executeQuery(); ... //do some processing here ... } catch (SQLException se){ logger.warn("Some message"); } finally { rs.close(); prepStmt.close(); // should I also close the connection here (in every method) if I stick to per request // and add getting of connection at the start of every method // conn.close(); } return result } ... // some more methods ... } Some comments on best practices for the code will also be helpful.

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  • How to get Amazon s3 PHP SDK working?

    - by JakeRow123
    I'm trying to set up s3 for the first time and trying to run the sample file that comes with the PHP sdk that creates a bucket and attempts to upload some demo files to it. But this is the error I am getting: The difference between the request time and the current time is too large. I read on another question on SO that this is because Amazon determines a valid request by comparing the times between the server and the client, that the 2 must be within a 15 min span of one another. Now here is the problem. My laptop's time is 12:30AM June 8, 2012 at the moment. On my server I created a file called servertime.php and placed this code in that file: <?php print strftime('%c'); ?> and the output is: Fri Jun 8 00:31:22 2012 It looks like the day is correct but I don't know what to make of 00:31:22. In any case, how is it possible to always make sure the time between the client and server is within a 15 minute window of one another. What if I have a user in China who wishes to upload a file on my site which uses s3 for the cdn. Then the time difference would be over a day. How can I make sure all my user's times are within 15 minutes of my server time? What if the user is in the U.S. but the time on their machine is misconfigured. Basically how to get s3 bucket creation and upload to work?

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  • Help with shopping cart in javascript

    - by user228390
    Hey guys, I'm having problems with my shopping cart. What I am trying to do is make a function that will add an item the cart and then and function that will view the cart and show the details. But what I have got so far does not do that, it just simply adds and goes straight to view cart. Also I wanted to store the name of each items in different global arrays (name, price and sum) but I can't get it work that way. Can any help me overcome this problem? Edit: I've tried to get it to work by adding some more items and attaching it to another html page, but now the code does not seem to work at all , before it showed the price and total and now I get nothing . javascript code function round_total (c) { var pennies = c * 100; pennies = Math.round(pennies); var strPennies = "" + pennies; var len = strPennies.length; return parseFloat(strPennies.substring(0, len - 2) + "." + strPennies.substring(len - 2, len)); } // End of round_total function. /* Start of generate_page function. */ function generate_page (form) { tax = 0.08; delivery_p = 2.99; var odate = new Date(); var qty = form.quantity.value; var product_v = new String(form.product.value); var total_price = product_v.substr(product_v.indexOf("$") + 1, product_v.length - product_v.indexOf("$")); var price_without_tax = round_total(qty * total_price); var ttax = round_total(price_without_tax * tax); var delivery = round_total(qty * delivery_p); var total_p = round_total(price_without_tax + ttax + delivery); document.writeln("Quantity: " + qty + "<br>"); document.writeln("Price: $" + total_price + "<br>"); document.writeln("Delivery: $" + delivery + "<br>"); document.writeln("Total: $" + total_p + "<br>"); document.writeln("Order placed on: " + odate.toGMTString()); } function calculate() { round_total (c)(); generate_page (form)(); } HTML code: Shopping cart Welcome, Guest Login Sign Up Stay Updated: Subscribe via RSS Email Updates <div id="header"> <div id="branding" class="container"> <h1>The Finest Toy<br /> Store Online</h1> <p class="desc">If you're looking for a toy shop then look no further.<br/> Go on, treat the kids with our huge selection of<br/>online toy shops selling toys for all ages.</p> </div><!-- end branding --> <div id="navigation"> <ul id="menu" class="container"> <li><a href="#">HOME</a></li> <li><a href="#">ABOUT</a></li> <li><a href="#">Online Store</a></li> <li><a href="#">CONTACT</a></li> </ul> </div><!-- end navigation --> </div><!-- end header --> Shopping Cart Nintendo DS Xbox Product: Console £149.99 Console + Games £169.99 Quantity: Product: Console £149.99 Console + Games £169.99 Quantity:     Playstation 3 Wii Product: Console £149.99 Console + Games £169.99 Quantity:   Product: Console £149.99 Console + Games £169.99 Quantity:        <input type="submit" value="Add to cart" name="submit" onClick="cart()";/><input , type="reset" value="Reset" name="reset" Copyright © 2010 shopping cart. Content and Header © |Back to top Do I need to show my CSS as well? (Sorry about the coding its not working properly for me, its not showing up the way it should be)

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