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  • Does the `Expires` HTTP header needs to be consistent across multiple cold-cache requests?

    - by chakrit
    I'm implementing a custom web server of a kind. And am looking into adding an Expires header support. However, I'm a little unsure of how exactly to implement it. If multiple cold-cache requests are being made to the same unchanged resource on the server and the server returned different Expires header (say it uses relative time to calculate the exact value of the Expires date e.g. +6 hours from the request time), does that invalidate the cache on all the proxy servers in-between as well? Or is it impossible to happen (per the spec)? Does the Expires HTTP header needs to be consistent across multiple cold-cache requests?

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  • jQuery timer, ajax, and "nice time"

    - by Mil
    So for this is what I've got: $(document).ready(function () { $("#div p").load("/update/temp.php"); function addOne() { var number = parseInt($("#div p").html()); return number + 1; } setInterval(function () { $("#div p").text(addOne()); }, 1000); setInterval(function () { $("#geupdate p").load("/update/temp.php");} ,10000); }); So this grabs a a UNIX timestamp from temp.php and puts into into #div p, and then adds 1 to it every second, and then every 10 seconds it will check the original file to keep it up to speed. My problem is that I need to format this UNIX timestamp into a format such as "1 day 3 hours 56 minutes and 3 seconds ago", while also doing all the incrementation and ajax calls. I'm not very experienced with jquery/javascript, so I might be missing something basic.

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  • VWD Express won't let me add one table!

    - by user530809
    Sorry if this question is too trivial but I really haven't found any related questions and I am shaking too much to think logically. I spent like few hours waiting for SQL Server to finally install (you know, it's Microsoft) and now when I want to add new table to database it says "this feature is not supported by Microsoft Visual Web Developer Express". How could this happen? I mean, what's the point of even letting me use this if I can't even add one table to database, and I won't even know about it until I actually need to do it? Are they really serious or is it just some mistake? Is there any way to get around this problem? I need to create just one simple project with one small table in database but it won't let me, but I can't believe they could actually have nerves to make express edition without such a trivial function, so maybe I just made something wrong and there's actually some way to add this table? Sorry for being so whiny but I'm just fed up with this environment.

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  • PHP Extension (memcache|memcached) not showing in phpinfo() but showing in php -m and php -i?

    - by Auston
    I am getting both modules listed as installed / configured when I use: php -m or if I use: php -i but when I use: $m = new Memcache; // or $m = new Memcache(); // or $m = new Memcached(); //or $m = new Memcached; I get the following error: Fatal error: Class 'Memcached' not found I am running on a Mac - OS X (10.5.7) with default install of apache & php. Additionally, I have memcached running as a daemon on 127.0.0.1:11211 and libmemcache as required by the php-memcached library. I have restarted apache tons of times and even done a machine restart. Does anyone know why the modules/extensions show up in the command line but not in my phpinfo()? I am literally stumped, after 3 hours of googling, I am just about ready to give up.

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  • Max tcp/ip connections on Windows Server 2008

    - by zendar
    I have .Net service that listens on single port over TCP protocol. Clients connect and then transmit data for some time (from few minutes to several hours). Is there any limit on number of connections on Windows 2008 server? I did not hit any, since now there is up to 50 users. Plan is to have thousands of users, so I'd like to know if there will be problems in future. Edit: As Cloud answered, it seems that there are some limits in some versions of Windows Server 2008. Is there any reference on those limits? I tried Google, but it returns articles on limit on half-bound tcp connections.

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  • What is the Simplest Possible Payment Gateway to Implement? (using Django)

    - by b14ck
    I'm developing a web application that will require users to either make one time deposits of money into their account, or allow users to sign up for recurring billing each month for a certain amount of money. I've been looking at various payment gateways, but most (if not all) of them seem complex and difficult to get working. I also see no real active Django projects which offer simple views for making payments. Ideally, I'd like to use something like Amazon FPS, so that I can see online transaction logs, refund money, etc., but I'm open to other things. I just want the EASIEST possible payment gateway to integrate with my site. I'm not looking for anything fancy, whatever does the job, and requires < 10 hours to get working from start to finish would be perfect. I'll give answer points to whoever can point out a good one. Thanks!

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  • Press a Button and open a URL in another ViewController

    - by Dennis Borup Jakobsen
    I am trying to learn Xcode by making a simple app. But I been looking on the net for hours (days) and I cant figure it out how I make a button that open a UIWebView in another ViewController :S first let me show you some code that I have ready: I have a few Buttons om my main Storyboard that each are title some country codes like UK, CA and DK. When I press one of those Buttons I have an IBAction like this: - (IBAction)ButtonPressed:(UIButton *)sender { // Google button pressed NSURL* allURLS; if([sender.titleLabel.text isEqualToString:@"DK"]) { // Create URL obj allURLS = [NSURL URLWithString:@"http://google.dk"]; }else if([sender.titleLabel.text isEqualToString:@"US"]) { allURLS = [NSURL URLWithString:@"http://google.com"]; }else if([sender.titleLabel.text isEqualToString:@"CA"]) { allURLS = [NSURL URLWithString:@"http://google.ca"]; } NSURLRequest* req = [NSURLRequest requestWithURL:allURLS]; [myWebView loadRequest:req]; } How do I make this open UIWebview on my other Viewcontroller named myWebView? please help a lost man :D

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  • Making Eclipse behave like Visual Studio

    - by FlySwat
    I'm doing some Android dev, and I much prefer Visual Studio, but I'll have to use Eclipse for this. Has anyone made a tool that switches Eclipse to look and behave more like visual studio? I mainly can't stand its clippyesqe suggestions on how I should program (Yes, I know I have not yet used that private field! Thanks Eclipse!), or its incredibly lousy intellisense. For example, in eclipse, if I don't type "this" first, its intellisense won't realize I want to look for locally scoped members. Also, the TAB to complete VS convention is drilled into my head, and Eclipse is ENTER to complete, I could switch everything by hand but that would take hours, and I was hoping someone had some sort of theme or something that has already done it :)

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  • Using different versions of jQuery on the same page

    - by nimcap
    Users of my service includes a JS in their pages that I provide. I am hosting the script they are including. My script does some manipulation on their content. I am sick of writing my own DOM manipulators/selectors and wasting hours for jobs that can be done with 1 line of code if I can use jQuery. Some of the users of my service already uses jQuery (or Prototype etc.) on their pages, so if I include jQuery there will be a conflict. Because there will be version differences, I don't want to use their jQuery selectors, methods either in case jQuery exists. Keeping in mind that I have no control over their pages, how can I include jQuery and avoid conflict?

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  • Unknown error when creating packages with pkgbuild

    - by Aeyoun
    I followed several tutorials-which all appeared to say the same thing-on how to create deployable flat-packages (.pkg) using the OS X system provided pkgbuild tool. The packages was always generated just fine. They did, however, not want to be installed. Running the graphical Apple Installer or the command line interface installer aborted the installation early on giving an generic “Unknown error” after prompting for higher permissions. Hours later after closer investigation I discovered that I could not install other packages either. Not even updates and new installations from the OS X App Store. Why could I not install my own nor any other packages? What was going on?

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  • Ruby on Rails, PHP or C++ for web social network

    - by faya
    Hello, I have chosen diploma work in university. It's a mini social network. But now I am really stuck with which technology I should stick. I am average at C++ ISAPI web services development, below average PHP(had few projects with it) and new to Ruby and its framework RAILS. I have a deadline 1.5 month to develop it(about 5 hours every day after my full time job). Also I heard that its very easy to learn and develop with Ruby on Rails. Considering C++ I know that I have to do lots of coding and work by myself and PHP looks almost the same to me. So I am looking for you skilled developers advise what would you do in my position? Learn RoR, stick with C++ or PHP or maybe use something else?

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  • Can anyone tell me if this is possible to do in Linq?

    - by user275561
    So I have been working and trying for a couple of hours. I am creating a BubbleBreaker type of game. I Can do it using for loop or while but I am trying to also get practice in using Linq. Here is what I am trying to do in pesudo code. Each Bubble has a Column and Row Property. If The bubble subtracts one from its Column property and finds the same Color bubble, it should Select it then Subtract -1 and see if two bubbles away there is also a same color bubble. If there is then subtract -2 and so on. So What I am trying to do is var test= _theBubbles.TakeWhile((i, s) => i.BubbleColor== bubble.BubbleColor)//Then somehow tell it to do bubble.Column-s and then Subtract s from bubble.Column So the Idea is to keep looking down the column till the bubble isnt the same

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  • Clickable links in UILabel?

    - by lope
    Hi there, I have been searching for this for hours but I failed. I probably don't even know what should I be looking for. Many applications have text and in this text are web hyperlinks in rounded rect, when I click them UIWebView opens. What puzzles me is that they often have custom links, for example if words starts with # it is also clickable and aplication responds by opening another view. How can I do that? Is it possible with UILabel or do I need UITextView or something else? I really hope it is standard functionality and i don't need to subclass anything :/

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  • CSS layout changes in Internet explorer

    - by user1784103
    My problem: I just coded a website that is styled just fine in chrome and firefox. However in internet explorer(9) it breaks. the gray header background is supposed to be pushed up to the right of the logo block, and the buttons are supposed to be in the dark grey area. I posted my code. I'm no expert at css, any tips would be greatly appreciated. (the second image is displaying the desired result) the html: Website </head> <body> <div class="wrap_overall"> <div class="header"> <a href="http://localhost"> <img class="logo" src="http://localhost/images/logo.png" width="175" height="24" alt="weblogo" /> </a> </div> <div class="headerbg"></div> <!-- nav top highlight --> <div style="background-color:#6c6c6c;margin:9px0px0px;height:1px;width:1020px;z-index:1;"></div> <!-- nav bar --> <div style="background-color:#5a5a5a;height:53px;width:1020px;z-index:1;"></div> <!-- nav bottom frame --> <div style="background-color:#d4e6b6;height:13px;width:1020px;z-index:1;border-top:4px solid #9de629; margin:0px 0px 10px;"></div> <div class="nav_main"> <ul> <li> <a href="http://localhost/button1"> <img src="http://localhost/images/button1.png" width="63" height="18" alt="button1" /> </a> </li> <li> <a href="http://localhost/index.php?page=button2"> <img src="http://localhost/images/button2.png" width="59" height="18" alt="button2" /> </a> </li> <li> <a href="http://localhost/index.php?page=button3"> <img src="http://localhost/images/button3.png" width="62" height="18" alt="button3" /> </a> </li> <li> <a href="http://localhost/index.php?page=button4"> <img src="http://localhost/images/button4.png" width="41" height="18" alt="button4" /> </a> </li> <li> <a href="http://localhost/index.php?page=button5"> <img src="http://localhost/images/button5.png" width="73" height="18" alt="button5" /> </a> </li> </ul> </div> </div> </body> </html> the css: .logo { padding:60px 20px 50px 20px; } body { background-color:#282828; color:#FFFFFF; font-family: Arial, Helvetica, sans-serif; } body a, img{ border-style:none; color:#9de629; text-decoration:none;} body a:visited {color:#9de629;} body a:hover{ color:#FFFFFF; text-decoration:underline;} .wrap_overall { position:relative; width: 1020px; margin:0px auto; } .header { width:216px; height:148px; margin:0px 0px; padding:0px 0px; background-color:#252525; float:left; display:inline; } .headerbg { margin:0px 0px 0px; padding:0px 0px; width:1020px; height:148px; background-color:#c7c7c7; } .nav_main/*holds the buttons*/ { margin:0px 0px 1px 0px; padding:0px 0px 0px 0px; position:absolute; top:148px; left:363px; z-index:2; overflow: hidden; } .nav_main ul { margin:0px 0px 0px 0px; padding:0px 0px 0px 0px; overflow: hidden; } .nav_main ul li { margin:0px 0px 0px 0px; display: inline; float: left; } .nav_main ul li a { outline: none; border:none; margin:0px 0px 0px 0px; margin-right:-10px; height:54px; width:125px; color:#FFFFFF; background-image:url(../images/button.png); text-align:center; display:table-cell; vertical-align:middle; } .nav_main ul li a:hover { background-image:url(../images/buttonlight.png); }

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  • Asp.net cached objects staying in memory

    - by GordonB
    I have a asp.net web forms app that uses System.Web.Caching.Cache to cache xml data from a number of web services for 2 hours. webCacheObj.Remove(dataCacheKey) webCacheObj.Insert(dataCacheKey, dataToCache, Nothing, DateTime.Now.AddHours(2), Nothing) Every 90 minutes a Microsoft Search Server hits a particular (spider) page which calls the code to put the objects into the cache. The issue i have is that over a period of time, the memory usage of the application grows exponentially. Lets say that in a week, the memory usage of the application pool grows to over 1gb. I'm using IIS7 and no application pool recycling is currently enabled.

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  • OAuth Request token = null in android app

    - by jonney
    Hi, i am trying to authenticate something(in this case LinkedIn) using OAuth but the requested token always returns null? Here is my code below: public void authenticateAppOauthApi() { Log.d(TAG, "authenticateAppOauthApi"); OAuthServiceProvider provider = new OAuthServiceProvider( REQUEST_TOKEN_PATH, AUTHORIZE_PATH, ACCESS_TOKEN_PATH); OAuthConsumer consumer = new OAuthConsumer(CALLBACK_URL, API_KEY, SECRET_KEY, provider); OAuthAccessor accessor = new OAuthAccessor(consumer); Intent intent = new Intent(Intent.ACTION_VIEW); Log.d(TAG, "Intent intent = new Intent(Intent.ACTION_VIEW );"); // intent.setData(Uri.parse(url)); String url = accessor.consumer.serviceProvider.userAuthorizationURL + "?oauth_token=" + accessor.requestToken + "&oauth_callback=" + accessor.consumer.callbackURL; intent.setData(Uri.parse(url)); Log.d(TAG, "intent.setData(Uri.parse(url)); = " + url); mContext.startActivity(intent); Log.d(TAG, "finish authenticateApp"); } I basicaly followed the example here http://donpark.org/blog/2009/01/24/android-client-side-oauth thanks in advance

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  • C# Using singleton instead of a global static instance

    - by Farstucker
    I ran into a problem today and a friend recommended I use a global static instance or more elegantly a singleton pattern. I spent a few hours reading about singletons but a few things still escape me. Background: What Im trying to accomplish is creating an instance of an API and use this one instance in all my classes (as opposed to making a new connection, etc). There seems to be about 100 ways of creating a singleton but with some help from yoda I found some thread safe examples. ..so given the following code: public sealed class Singleton { public static Singleton Instance { get; private set; } static Singleton() { Instance = new Singleton(); } } How/Where would you instantiate the this new class and how should it be called from a separate class? Thanks for your help.

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  • Robocopy for Windows 2003 doesn't support /DST option

    - by Jon
    Does anyone know if it is possible to download the latest robocopy for Windows 2003. The latest version provides the /DST option which ignores time stamps changed due to BST (British Summer Time). Every time we do a build and sync our servers when we go +1/-1 hour it takes hours instead of minutes because it sees everything as changed. I noticed it is included automatically with Vista/Win7 but the Resource toolkit that I downloaded doesn't include a new version of robocopy for Win Server 2003. If there is a place to download it from & will it also work on Windows Server 2003? Thanks.

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  • Ubuntu problem not connecting to wireless or wired network

    - by ToughPal
    I recently installed openvpn and things were working. But I got a weird screen after a few hours and on restart my wired and wireless connections are not working. Can someone help? cat /etc/network/interfaces auto lo iface lo inet loopback cat /etc/resolv.conf #Generated by NetworkManager Is there anything missing? I tried both wired and wireless and both are not working. Usually if I ever have a problem with wireless, the wired always work! My /etc/network/interfaces is looking wrong. Can you please send me yours? I am using ubuntu 9.10 and the internet was working correctly until today! Please help

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  • Favicon to PNG in PHP

    - by sailtheworld
    I need a PHP script to convert favicons to PNGs while keeping their original dimensions. I know Google has it's secret icon converter - http://www.google.com/s2/favicons?domain=http://facebook.com/ but this converts favicons to 16x16 even if they they were originally larger. So basically I need this, minus the shrinking effect. I've also seen this - http://www.controlstyle.com/articles/programming/text/php-favicon/ but I couldn't get it to work after hours of messing around with it. Basically I am trying to automatically grab the icon for a link that will be as large as possible - automatically 48x48 png based on a URL would be the perfect scenario, but I don't know of any humanly possible way to do this given that no websites happen to keep a 48x48 icon in a publicly accessible spot. Does anybody know of a script/service or have a suggestion? Thanks!

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  • Get only new RSS entries with PHP Script ?

    - by ArneRie
    What im trying to do: Fetch X numbers of RSS Feeds from my Blogs and echo only new entries. My Problem is, how to know wich items are already parsed? Solution so far: Fetch the Feed every 5 hours, store all titles inside an Database table or flat file. Next run check if the title is already in database if not print it and save it inside the database. But iam not sure if this is best practise to do this? If someone knows a fast way, it would be great. Sorry for my poor english.

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  • How to set the time for a specific local in javascript

    - by Joao
    Hi, i have a problem, and maybe someone can help me, i will explain... i have the in javascript "var date= new date();" and its give me the local time (browser time) but i want force this data/time for a especific local... for example... Spain. i want everytime that someone enter in the page (from others country) the date need be the spanish hour. i found some soluction but the problem is the summer time and winter time... we have offset variations because some time is +1 hours and others is +2.... someone can help me in one soluction? thanks [email protected]

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  • Configuring Hadoop logging to avoid too many log files

    - by Eric Wendelin
    I'm having a problem with Hadoop producing too many log files in $HADOOP_LOG_DIR/userlogs (the Ext3 filesystem allows only 32000 subdirectories) which looks like the same problem in this question: http://stackoverflow.com/questions/2091287/error-in-hadoop-mapreduce My question is: does anyone know how to configure Hadoop to roll the log dir or otherwise prevent this? I'm trying to avoid just setting the "mapred.userlog.retain.hours" and/or "mapred.userlog.limit.kb" properties because I want to actually keep the log files. I was also hoping to configure this in log4j.properties, but looking at the Hadoop 0.20.2 source, it writes directly to logfiles instead of actually using log4j. Perhaps I don't understand how it's using log4j fully. Any suggestions or clarifications would be greatly appreciated.

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  • MATLAB - Delete elements of binary files without loading entire file

    - by Doresoom
    This may be a stupid question, but Google and MATLAB documentation have failed me. I have a rather large binary file (10 GB) that I need to open and delete the last forty million bytes or so. Is there a way to do this without reading the entire file to memory in chunks and printing it out to a new file? It took 6 hours to generate the file, so I'm cringing at the thought of re-reading the whole thing. EDIT: The file is 14,440,000,000 bytes in size. I need to chop it to 14,400,000,000.

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  • Timeout LinqToSql inserting millions of records

    - by Bas
    I'm inserting approximently 3 million records in a database using this solution. Eventually when the application has been inserting records for a while (my last run lasted around 4 hours), it gives a timeout with the following SqlException: "SqlExcepetion: Timeout expired. The timeoutperiod elapsed prior to completion of the operation or the server is not responding." What's the best way to handle this exception? Is there a way to prevent this from happening or should I catch the exception? Thanks in advance!

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