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  • PHP mobile browser detection?

    - by TreyK
    I'm in need of a way to detect mobile browsers server-side. I'd like a way that requires me to do little to set up and little to maintain, yet still provide me with accurate detection of (at the VERY least) Android, Mobile Safari and Blackberry browsers, along with alternatives like Opera. I'd like to have at least the majority of the mobile market covered, and I'd really prefer virtually all of the market if it doesn't take much.

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  • Android browser scaling?

    - by Joren
    I'm trying to create a mobile website for android. When I set the width of the body to 480px (the width of the screen) the result is about 50% larger than what I expect. It seems that android is scaling what it draws and messing up all my layouts. Does anyone know how to disable this, or work around it? I'm already using this: <meta name="viewport" content="width=device-width, height=device-height, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0" />

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  • Map browser DOM using Javascript

    - by EddyR
    I'm trying to map a browsers DOM using javascript. It should list all the functions and attributes associated with it and it should also recurse through any object attributes. Now as I understand it 'window' is the most top-level node (although I've see a reference to 'top' as well in Chrome.) then 'document', etc. However I've never seen 'Node' under 'window' and yet I can call it. So where is 'Node' located? Is there a level above 'window' or is it a separate object (W3C says it's supposed to be inherited by 'document' only.)? I've been playing with a function to do this but I keep getting weird results so I'm not post it here. Alternatively - is it possible to get the properties from the object types instead of the object reference itself? for example 'DOMWindow' instead of 'window'. I think this would stop duplicating data from inherited objects.

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  • Attempt to open browser in C++

    - by Machiel
    Hey there, I am attempting to open Firefox using C++ on Linux (Ubuntu). However, I get an segmentation fault. What am I doing wrong, and what should I do? std::cout << system("/usr/bin/firefox") << std::endl; I hope to hear from you. Kind regards, Machiel

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  • Browser-Incompatability with image alignment in CSS using YUI grid (Firefox + Opera)

    - by Rotimi
    I'm having trouble with the alignment of two images on the footer of my temporary website (http://www.rotimioyewole.com). I'm new to the YUI grid, which I think may be a factor. It should look roughly like this (works correctly in Chrome and Safari, haven't tested IE yet): (http://cl.ly/44fH) But on FF and Opera look like this: http://cl.ly/44aO If I can have some sort of consistency then the website would at least be presentable. Ideally, I would also like to align both images on the same Y axis, as well as the text next to the icons. I had trouble figuring out how to search for a solution..can anybody help me? Thanks in advance

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  • How to make shortcut link for a website for each browser?

    - by metal gear solid
    I want to make a shortcut link for same website for each browser is it possible. For example: I have 5 link shortcut on windows desktop for Superuser.com and PC has all browsers installed. Upon double clicking on shortcut: Shortcut one should be open in IE (Which is default browser) Shortcut two should be open in Firefox Shortcut two should be open in Safari Shortcut two should be open in Opera

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  • I made an .htaccess template; is there anything else that should be added or changed?

    - by purpler
    # DEFAULTS ServerSignature Off AddDefaultCharset UTF-8 DefaultLanguage en-US SetEnv Europe/Belgrade SetEnv SERVER_ADMIN [email protected] # Rewrites RewriteEngine On RewriteBase / # Redirect to WWW RewriteCond %{HTTP_HOST} ^serpentineseo.com RewriteRule (.*) http://www.serpentineseo.com/$1 [R=301,L] # Cache media files <filesMatch "\.(gif|jpg|jpeg|png|ico|swf|js)$"> Header set Cache-Control "max-age=2592000, public" </filesMatch> <FilesMatch "\.(js|css|pdf|swf)$"> Header set Cache-Control "max-age=604800" </FilesMatch> <FilesMatch "\.(html|htm|txt)$"> Header set Cache-Control "max-age=600" </FilesMatch> # DONT CACHE <FilesMatch "\.(pl|php|cgi|spl|scgi|fcgi)$"> Header unset Cache-Control </FilesMatch> # Deny access to .htaccess <Files .htaccess> order allow,deny deny from all </Files>

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  • How to I set what browser Adobe Reader uses to open links?

    - by Sindri
    I have a Windows XP computer with Chrome set as the default browser. However whenever I click a link embedded in a pdf document I'm viewing with Adobe Reader 8.2.1 I get a popup security warning asking if this is ok, and then the Reader opens the link in IE. Is there a way to change Adobe Readers default browser?

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  • How do you handle browser cache with login/logout?

    - by Julien
    To improve performances, I'd like to add a fairly long Cache-Control (up to 30 minutes) to each page since they do not change often. However, each page also displays the name of the user logged in (like this website). The problem is when the user logs in or logs out: the user name must change. How can I change the user name after each login/logout action while keeping a long Cache-Control? Here are the solutions I can think of: Ajax request (not cached) to retrieve and display the user name. If I have 2 requests (/user?registered and /user?new), they could be cached as well. But I am afraid this extra request would nullify my caching performance-wise Add a unique URL variable (?time=) to make the URL different, and cancel the cache. However, I would have to add this variable to all links on my webpage, not very convenient code-wise This problems becomes greater if I actually have more content that is not the same for registered users and new users.

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  • Google Chrome does not honor cache-policy in page header if the page is displayed in a FRAME

    - by Tim
    No matter what I do: <meta http-equiv="Cache-Control" content="no-cache" /> <meta http-equiv="Expires" content="Fri, 30 Apr 2010 11:12:01 GMT" /> <meta http-equiv="Expires" content="0" /> <HTTP-EQUIV="PRAGMA" CONTENT="NO-STORE" /> Google Chrome does not reload any page according to the page's internal cache policy if the page is displayed in a frame. It is as though the meta tags are not even there. Google Chrome seems to be ignoring these tags. Since I've gotten answers to this question on other forums where the person responding has ignored the operative condition, I will repeat it: this behavior occurs when the page is displayed in a frame. I was using the latest released version and have since upgraded to 5.0.375.29 beta but the behavior is the same in both versions. Would someone please care to confirm one way or another the behavior you are seeing with framesets and the caching/expiration policies given in meta tags? Thanks

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  • Optimal ASP.Net cache duration for a large site?

    - by HeroicLife
    I've read lots of material on how to do ASP.Net caching but little on the optimal duration that pages should be cached for. Let's say that I have a popular site with 50,000 pages. The content does not change frequently, so I could cache pages for up to an hour if I wanted. The server has 16 GB of RAM, but database connections are limited. How long should pages be cached for? My thinking is that if I set the cache duration too high (let's say 60 minutes), I will fill up memory with a fraction of the total content, which will continually be shuffled in and out of memory. Furthermore, let's say that 10% of the pages are responsible for 90% of traffic. If the popular pages are hit every second, and the unpopular ones every hour, then a 60 second cache would only keep the load-intensive content cached without sacrificing freshness. Should numerous but rarely-accessed content be cached at all?

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  • How can I cache a Subversion password on a server, without storing it in unencrypted form?

    - by Zilk
    My Subversion server only provides access via HTTPS; support for svn+ssh has been dropped because we wanted to avoid creating system users on that machine just for SVN access. Now I'm trying to provide a way for users to cache their passwords for a while, without leaving them stored on the filesystem in unencrypted form. This is no problem for Gnome or KDE users, because they can use gnome-keyring and kwallet, respectively. IIRC, TortoiseSVN has a similar caching mechanism, too. But what about users on a non-GUI system? Some context: in this case, we have a development/testing server where one project has been checked out into the Apache htdocs directory. Development for this project is almost complete, and only minor text/layout changes are performed directly on this server. Nevertheless, the changes should be checked into the repository. There's no kwallet and no gnome-keyring on this system, and the ssh-agent can't help because the repository is accessed via https instead of svn+ssh. As far as I know, that leaves them the choice of entering the password every time they talk to the SVN server, or storing it in an insecure way. Is there any way to get something like what gnome-keyring and kwallet provide in a non-GUI environment?

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  • Entity Framework Code First: Get Entities From Local Cache or the Database

    - by Ricardo Peres
    Entity Framework Code First makes it very easy to access local (first level) cache: you just access the DbSet<T>.Local property. This way, no query is sent to the database, only performed in already loaded entities. If you want to first search local cache, then the database, if no entries are found, you can use this extension method: 1: public static class DbContextExtensions 2: { 3: public static IQueryable<T> LocalOrDatabase<T>(this DbContext context, Expression<Func<T, Boolean>> expression) where T : class 4: { 5: IEnumerable<T> localResults = context.Set<T>().Local.Where(expression.Compile()); 6:  7: if (localResults.Any() == true) 8: { 9: return (localResults.AsQueryable()); 10: } 11:  12: IQueryable<T> databaseResults = context.Set<T>().Where(expression); 13:  14: return (databaseResults); 15: } 16: }

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  • Des chercheurs découvrent le premier malware à pratiquer l'overwrite, caché sous la forme d'un Adobe

    Des chercheurs découvrent le premier malware à pratiquer l'overwrite, caché sous la forme d'un Adobe Updater Un code malicieux vient d'être repéré pour la première fois par des spécialistes en sécurité informatique. En effet, des chercheurs viennent de découvrir un malware qui se substitue aux mises à jour de certaines applications. Habituellement, ce type de programmes ne pratique pas l'overwrite. Seuls les ordinateurs tournant sous Windows sont touchés. Le malware se cache sous la forme d'un updater pour les produits Adobe ou Java. Une variante imite Adobe Reader v.9 et overwrite AdobeUpdater.exe, lequel a pour mission de se connecter régulièrement auprès des serveurs d'Adobe pour vérifier si une nouvelle version ...

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  • How do I speed up and cache mmap file access over NFS on Linux?

    - by Zan Lynx
    The server and client are both 64-bit Ubuntu 10.04 LTS. The application in question is a custom app that uses mmap() for fast random file access. Its ideal state is when the entire file is cached in RAM. The network connections are really fast 10Gb Ethernet. It is a virtual server blade setup. It isn't the network connections slowing things down because everything performs superbly when using a virtual disk (iSCSI to the SAN). But when we run the application on a NFS home directory mount, performance goes to the dogs. It appears that the Linux kernel isn't caching anything. So it is reading every single disk block needed by mmap() accesses over and over and over again. The NFS mount is done through autofs, which has only default settings. /proc/mounts shows the NFS mount is done with the following options: rw,relatime,vers=3,rsize=131072,wsize=131072,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=192.168.11.52,mountvers=3,mountproto=tcp,addr=192.168.11.52 How can I make Ubuntu 10.04 cache the file instead of reloading it all the time?

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  • Tagging Objects in the AppFabric Cache

    In two of my previous entries I outlined functionality and patterns used in the AppFabric Cache.  In this entry I wanted to expand and look at another area of functionality that people have come to expect when working with cache technology.  This expectation is the ability to tag content with more information than just the key.  As you start to examine this expectation you will soon find yourself asking if the tagged data can be related to each other and finally if it is possible...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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