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  • Canonical pattern reference in Actors programming model.

    - by Bubba88
    Hello! Is there a source, which I could use to learn some of the most used and popular practices regarding Actor-/Agent-oriented programming. My primary concern is about parallelism and distribution limited to the mentioned scheme - Actors, message passing. Should I begin with Erlang documentation or maybe there is any kind of book that describes the most important building blocks when programming Actor-oriented? Thank you! (Most useful examples would be in Scala or F#)

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  • Why does firefox round-trip to the server to determine whether my files are modifed?

    - by erikkallen
    I have some static content on my web site that I have set up caching for (using Asp.NET MVC). According to Firebug, the first time I open the page, Firefox sends this request: GET /CoreContent/Core.css?asm=0.7.3614.34951 Host: 127.0.0.1:3916 User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.5) Gecko/20091102 Firefox/3.5.5 (.NET CLR 3.5.30729) Accept: text/css,*/*;q=0.1 Accept-Language: en-us,en;q=0.5 Accept-Encoding: gzip,deflate Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7 Keep-Alive: 300 Connection: keep-alive Referer: http://127.0.0.1:3916/Edit/1/101 Cookie: .ASPXAUTH=52312E5A802C1A079E2BA29AA2BFBC5A38058977B84452D62ED52855D4164659B4307661EC73A307BFFB2ED3871C67CB3A9AAFDB3A75A99AC0A21C63A6AADE9A11A7138C672E75125D9FF3EFFBD9BF62 Pragma: no-cache Cache-Control: no-cache Which my server replies to with this: Server: ASP.NET Development Server/9.0.0.0 Date: Mon, 23 Nov 2009 18:44:41 GMT X-AspNet-Version: 2.0.50727 X-AspNetMvc-Version: 1.0 Cache-Control: public, max-age=31535671 Expires: Tue, 23 Nov 2010 18:39:12 GMT Last-Modified: Mon, 23 Nov 2009 18:39:12 GMT Vary: * Content-Type: text/css Content-Length: 15006 Connection: Close So far, so good. However, if I refresh Firefox (not a cache-clearing refresh, just a normal one), during that refresh cycle Firefox will once again go to the server with this request: GET /CoreContent/Core.css?asm=0.7.3614.34951 Host: 127.0.0.1:3916 User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.5) Gecko/20091102 Firefox/3.5.5 (.NET CLR 3.5.30729) Accept: text/css,*/*;q=0.1 Accept-Language: en-us,en;q=0.5 Accept-Encoding: gzip,deflate Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7 Keep-Alive: 300 Connection: keep-alive Referer: http://127.0.0.1:3916/Edit/1/101 Cookie: .ASPXAUTH=52312E5A802C1A079E2BA29AA2BFBC5A38058977B84452D62ED52855D4164659B4307661EC73A307BFFB2ED3871C67CB3A9AAFDB3A75A99AC0A21C63A6AADE9A11A7138C672E75125D9FF3EFFBD9BF62 If-Modified-Since: Mon, 23 Nov 2009 18:39:20 GMT Cache-Control: max-age=0 to which my server responds 304 Not Modified. Why does Firefox issue this second request? In the first response, I said that the cache does not expire for a year (I intend to use query parameters whenever things change). Do I have to add another response header to prevent this extra roundtrip? Edit: It does not matter whether I press refresh, or whether I go to the page again (or a different URL, which references the same external files). Firefox does the same again. Also, I don't claim this to be a bug in FF, I just wonder if there is another header I can set which means "This document will never change, don't bother me again".

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  • not able to solve markup problem

    - by pradeep
    http://validator.w3.org/check?uri=http%3A%2F%2Fratingscorner.com%2Fproduct_rating.php%3Falias%3DPeoples-Education-Society-Institute-of-Technology-%28PESIT%29-100-feet-Ring-Road-Bangalore%26product%3DColleges&charset=%28detect+automatically%29&doctype=Inline&ss=1&outline=1&group=1&No200=1&verbose=1&st=1&user-agent=W3C_Validator%2F1.767 have fixed most of the errors . but could not fix the » problems ...if any1 can help it will be helpful for me.

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  • mean of robots.txt at yahoo.com

    - by hussain
    i want to know the mean of yahoo robots.txt that website( http://www.yahoo.com/robots.txt ) have the following lines User-agent: * Disallow: /p/ Disallow: /r/ Disallow: /*? i dont know the mean of last line(Disallow: /*?) please let me know... thanks and advance

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  • MVC 4 iframe embedded in desktop page showing mobile view

    - by Reto Laemmler
    I use Index.cshtml and Index.mobile.cshtml. My Index.cshtml is a mobile app landing page containing an iframe to live demo the mobile web app. Index.mobile.cshtml is the mobile web app itself. The problem is, the iframe keeps loading the desktop version itself. As far as I know, I cannot configure the user agent of the iframe to a mobile type. It should be solvable with some routing but I couldn't figure out how!?

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  • Android WebView and default browser with different UserAgent

    - by Udi I
    From some reason on several android devices, I'm getting different User Agent from the browser and from my application's WebView. I have used this line of code to get the UA in the app: new WebView(this).getSettings().getUserAgentString(); This is the part with the difference The application retruns: HTC One X Build While the browser returns: HTC_One_X Build Notice the underscores in the browser's version. Any ideas what causes the difference? Tx!

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  • PHP apache_request_headers() diagrees with reality (as confirmed by Firebug): why?

    - by Peter Howe
    I have written a web app in PHP which makes use of Ajax requests (made using YUI.util.Connect.asyncRequest). Most of the time, this works fine. The request is sent with an X-Requested-With value of XMLHttpRequest. My PHP controller code uses apache_request_headers() to check whether an incoming request is Ajax or not and all works well. But not always. Intermittently, I'm getting a situation where the Ajax request is sent (and Firebug confirms for me that the headers on the request include an X-Requested-With of XMLHttpRequest) but apache_request_headers() is not returning that header in its list. The output from when I var_dump the apache_request_headers() is as follows (note the lack of X- 'Host' => string 'peterh.labs.example.com' (length=26) 'User-Agent' => string 'Mozilla/5.0 (X11; U; Linux i686; en-GB; rv:1.9.0.3) Gecko/2008101315 Ubuntu/8.10 (intrepid) Firefox/3.0.3' (length=105) 'Accept' => string 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8' (length=63) 'Accept-Language' => string 'en-gb,en;q=0.5' (length=14) 'Accept-Encoding' => string 'gzip,deflate' (length=12) 'Accept-Charset' => string 'ISO-8859-1,utf-8;q=0.7,*;q=0.7' (length=30) 'Keep-Alive' => string '300' (length=3) 'Connection' => string 'keep-alive' (length=10) 'Referer' => string 'http://peterh.labs.example.com/qmail/' (length=40) 'Cookie' => string 'WORKFLOW_SESSION=55f9aff2051746851de453c1f776ad10745354f6' (length=57) 'Pragma' => string 'no-cache' (length=8) 'Cache-Control' => string 'no-cache' (length=8) But Firebug tells me: Request Headers: Host peterh.labs.example.com User-Agent Mozilla/5.0 (X11; U; Linux i686; en-GB; rv:1.9.0.3) Gecko/2008101315 Ubuntu/8.10 (intrepid) Firefox/3.0.3 Accept text/html,application/xhtml+xml,application/xml;q=0.9,**;q=0.8 Accept-Language en-gb,en;q=0.5 Accept-Encoding gzip,deflate Accept-Charset ISO-8859-1,utf-8;q=0.7,*;q=0.7 Keep-Alive 300 Connection keep-alive X-Requested-With XMLHttpRequest Referer http://peterh.labs.example.com/qmail/ Cookie WORKFLOW_SESSION=55f9aff2051746851de453c1f776ad10745354f6 This mismatch is (apparently) intermittent when executing the same code. But I don't believe in "intermittent" when it comes to software! Help!

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  • Log files legal aspect?

    - by relwarc
    I like data. That is why I add a standalone PHP script which logs all relevant HTTP variables like: Date of visit IP User-agent Request URI Referer Am I allowed to store all this in non-public text files? Am I allowed to evaluate the data? What am I allowed to do with the log files? Do I have to delete them after some time?

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  • How can I write this shorter?

    - by nLL
    public static string GetUa(HttpRequest hr) { try { string visitorBrowser = hr.UserAgent.ToString(); string originalBrowser = hr.ServerVariables["X-OperaMini-Phone-UA"]; string anotherOriginalBrowser = hr.ServerVariables["X-Device-User-Agent"]; //novarra if (!String.IsNullOrEmpty(originalBrowser)) { return "OPERAMINI " + originalBrowser; } else { if (!String.IsNullOrEmpty(anotherOriginalBrowser)) { return "NOVARRA " + anotherOriginalBrowser; } else { return visitorBrowser; } } } catch { return "No UA Found"; } }

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  • How can I write this shorter? c#

    - by nLL
    public static string GetUa(HttpRequest hr) { try { string visitorBrowser = hr.UserAgent.ToString(); string originalBrowser = hr.ServerVariables["X-OperaMini-Phone-UA"]; string anotherOriginalBrowser = hr.ServerVariables["X-Device-User-Agent"]; //novarra if (!String.IsNullOrEmpty(originalBrowser)) { return "OPERAMINI " + originalBrowser; } else { if (!String.IsNullOrEmpty(anotherOriginalBrowser)) { return "NOVARRA " + anotherOriginalBrowser; } else { return visitorBrowser; } } } catch { return "No UA Found"; } }

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  • Why PHP Error: Call to a member function set_prefix() on a non-object

    - by Rebol Tutorial
    I got this error Fatal error: Call to a member function set_prefix() on a non-object in /home/reboltutorial/reboltutorial.com/wp-settings.php on line 254 line 254 contains: $prefix = $wpdb->set_prefix($table_prefix); // set up global tables This occurs if I try to call index_wordpress() instead of calling these two lines define('WP_USE_THEMES', true); require('./wp-blog-header.php'); so this doesn't work: <?php function index_wordpress() { define('WP_USE_THEMES', true); require('./wp-blog-header.php'); } ?> <?php if(!function_exists('apache_request_headers')) { function apache_request_headers() { $headers = array(); foreach($_SERVER as $key => $value) { if(substr($key, 0, 5) == 'HTTP_') { $headers[str_replace(' ', '-', ucwords(str_replace('_', ' ', strtolower(substr($key, 5)))))] = $value; } } return $headers; } } function getCurrentPageUrl() { $pageURL = 'http'; if ($_SERVER["HTTPS"] == "on") {$pageURL .= "s";} $pageURL .= "://"; if ($_SERVER["SERVER_PORT"] != "80") { $pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"]; } else { $pageURL .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"]; } return $pageURL; } $a = apache_request_headers(); $pos = strrpos($a["User-Agent"], "REBOL"); if ($pos === false) { index_wordpress(); } else { if ($_SERVER['REMOTE_ADDR'] != "69.163.203.14") { $command= './cgi-bin/index.cgi '. '"' . getCurrentPageUrl() . '"'; echo system($command); } else { index_wordpress(); } } ?> while this works: <?php if(!function_exists('apache_request_headers')) { function apache_request_headers() { $headers = array(); foreach($_SERVER as $key => $value) { if(substr($key, 0, 5) == 'HTTP_') { $headers[str_replace(' ', '-', ucwords(str_replace('_', ' ', strtolower(substr($key, 5)))))] = $value; } } return $headers; } } function getCurrentPageUrl() { $pageURL = 'http'; if ($_SERVER["HTTPS"] == "on") {$pageURL .= "s";} $pageURL .= "://"; if ($_SERVER["SERVER_PORT"] != "80") { $pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"]; } else { $pageURL .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"]; } return $pageURL; } $a = apache_request_headers(); $pos = strrpos($a["User-Agent"], "REBOL"); if ($pos === false) { define('WP_USE_THEMES', true); require('./wp-blog-header.php'); } else { if ($_SERVER['REMOTE_ADDR'] != "69.163.203.14") { $command= './cgi-bin/index.cgi '. '"' . getCurrentPageUrl() . '"'; echo system($command); } else { define('WP_USE_THEMES', true); require('./wp-blog-header.php'); } } ?>

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  • How can I schedule a daily backup with SQL Server Express?

    - by edosoft
    I'm running a small web application with SQL server express (2005) as backend. I can create a backup with a SQL script, however, I'd like to schedule this on a daily basis. As extra option (should-have) I'd like to keep only the last X backups (for space-saving reasons obviously) Any pointers? [edit] SQL server agent is unavailable in SQL server express...

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  • weekly Automatic running sql server script

    - by AmRoSH
    I have sql server script and i want to automatic run it on the database every week. any help. i tried sql server agent job but i have alot of data bases on my server and i should make step to every database and it will run in the same day and same time.

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  • VC++ and VisualAssert

    - by C_Bevan
    Hi, For some reason I can't get my test's to load in my project. In the test explorer it says "This process exited without registering with the agent - this may be due to the module not containing any test fixtures" ....I've tried Right Click-Add TestFixture, and adding them other various ways I can get it to work on a blank project Any idea which settings I might need to change

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  • Is there possible in clojure to make a deadlock (or anything bad case) using agents?

    - by hsestupin
    CLojure agents is powerful tool. So actions to the agents are asynchronously sent using functions "send" and "send-off". And in theory there couldn't appear something like deadlock. Is there possible to write some clojure code (for example invoking from some action another action to another agent) using agents in which we have some concurrency problem - it could be deadlock, race condition or anything else. (guys, i'm very sorry for my english)

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  • Translate from C# to VB

    - by Congero
    How do you convert the following c# code to vb.net? private static readonly ICollection<string> _skipHeaders = new[] { "Connection", "Keep-Alive", "Accept", "Host", "User-Agent", "Content-Length", "Content-Type", "Accept-Encoding", "Authorization", "Referer", ProxyMethodHeader, ProxyAuthorizationHeader, ProxyAcceptHeader, ProxyAgentHeader, ProxyQueryHeader };

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  • snmp and platform specific information

    - by reza
    I need to come with a strategy to use gather information about the health of my linux platform, hardware health such as high CPU temperature and may be disk space usage, etc... I know my examples are not very good ones. Essentially, I have an SNMP agent running on Linux and I need it to provide platform specific health and state information. Are there any Linux packages that do this, what MIBs to use, Dell Open Manager functionality??? Any thoughts and comments are appreciated.

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  • exclude the folders - url rewrite in htaccess

    - by aquagirl
    rewriteCond %{REQUEST_URI} ^(ajax|css|functions|image_viewer|images|img|include|fancybox|jquery|jscript|json)$ - [L] RewriteRule ^(.[^/])/(.[^/])/(.+[^/]) ?program=$1&usertype=$2&username=$3 [NC] could you please help me find what is wrong in this.. ? I need to exclude some folders from url rewriting. i tried with the solution given here.. but still i am getting some errors.. http://www.idxsync.com/sbaor/Search/Agent/zz please help me

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