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• IIS: Content-Length 0 for CSS, Javascript and Images

  - by Adrian Grigore

  After a clean re-installation of my Windows 7 system, I can't get IIS 7 to properly deliver any static content. Dynmic content (ASPX pages and content served by ASP.NET MVC controllers) works fine, but static files such as CSS, Javascript and Images give me a 200 OK status code and a Content-Length of 0. The problem occurs with all web sites on my server, even a brandnew ASP:NET MVC template project with no changes. It also occurs with both Firefox and IE 8. What could possibly be the problem? Note that I also installed the latest Windows Azure SDK, perhaps that messed up some settings. But I don't know how to proceed with for troubleshooting this.

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• Configuring Linux Network

  - by Reiler

  Hi I'm working on some software, that runs on a Centos 5.xx installation. I'ts not allowed for our customers to log in to Linux, everything is done from Windows applications, developed by us. So we have build a frontend for the user to configure network setup: Static/DHCP, ip-address, gateway, DNS, Hostname. Right now I let the user enter the information in the Windows app, and then write it on the Linux server like this: Write to /etc/resolv.conf: Nameserver Write to /etc/sysconfig/network: Gateway and Hostname Write to /etc/sysconfig/network-scripts/ifcfg-eth0: Ipaddress, Netmask, Bootproto(DHCP or Static) I also (after some time) found out that I was unable to send mail, unless I wrote in /etc/hosts: 127.0.0.1 Hostname All this seems to work, but is there a better/easier way to do this? Also, I read the network configuration nearly the same way, but if I use DHCP, I miss som information, for instance the Ip-address. I know that I can get some information from the commandline (ifconfig), but I dont get for instance Hostname, Gateway and DNS. Is there a commandline tool that will display this?

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• How to cache on CloudFlare images that are served to client as JSON?

  - by Askar Ibragimov

  I am using a gallery on my website that gets list of images from a JSON sent by a php script. So, the javascript gallery calls PHP backend and it replies with complex JSON where images are specified as object fields. These fields not necessarily include full URLs, merely a path to needed images. I'd like to use Cloudflare and want these images to be cached there. How I could learn whether these are cached or not, and make sure that these would be cached and not considered some sort of dynamic content?

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• .NET app - Should we use SQL Server and duplicate some reference data from an external Oracle DB? Or use Oracle and have a DB link?

  - by Daventry

  We're looking to migrate some existing Excel/Access processes into a new system which will provide the users with a Silverlight frontend to run and view the reports instead of using MS Access. The initial idea was to have SQL Server 2008 as RDBMS. The problem is that we've got some static data such as country codes, counterparties, etc which live in an existing Oracle DB. Since we do not want to duplicate that data (if possible), we were thinking of having a DB link between SQL Server and Oracle, but our firm does not allow that. So the options are either duplicate the data or use Oracle as RDBMS - surprise, the firm does allow DB links between Oracle databases. The initial idea was also to use WCF RIA Services, Entity Framework, etc which we're not sure they play well with Oracle, that's why it was decided to go with SQL Server in the first place. Would you advise to go for Oracle so that we can just link the static data? Or use SQL Server 2008 and replicate it because it's "safer" to stay within the Microsoft land? To use or not to use Entity Framework and WCF RIA Services at all? Regards. UPDATE: Thanks everyone for your answers. Nothing is set in stone yet. We'll try to import the data instead of linking, as if the other DB goes down, our system can still carry on. We're likely to use SQL Server just because most developers are more experienced with it. Even if we used RIA Services, we can swap out the Data Access Layer and use other frameworks such those mentioned below.

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• How to install PyQt on Mac OS X 10.6

  - by Albert

  I want to install PyQt. This seems kind of complicated to install on OS X. I haven't found any precompiled packages of it (are there any? I would really prefer those). So I downloaded PyQt. And SIP, because it depends on that. These files: http://www.riverbankcomputing.co.uk/static/Downloads/PyQt4/PyQt-mac-gpl-4.7.3.tar.gz http://www.riverbankcomputing.co.uk/static/Downloads/sip4/sip-4.10.2.tar.gz Did a python configure.py && make && sudo make install on SIP -- installed without any problems. Tried the same on PyQt -- and failed of course: /Library/Frameworks/QtCore.framework/Headers/qglobal.h:288:2: error: #error "You are building a 64-bit application, but using a 32-bit version of Qt. Check your build configuration." Ok, so I tried with python configure.py --use-arch=i386. Same error. Any idea?

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• How to run django on localhost with nginx and uwsgi?

  - by user2426362

  How to run django on localhost with nginx and uwsgi? This im my config but not works. nginx: server { listen 80; server_name localhost; access_log /var/log/nginx/localhost_access.log; error_log /var/log/nginx/localhost_error.log; location / { uwsgi_pass unix:///tmp/localhost.sock; include uwsgi_params; } location /media/ { alias /home/user/projects/zt/myproject/myproject/media/; } location /static/ { alias /home/user/projects/zt/myproject/myproject/static/; } } uwsgi: [uwsgi] vhost = true plugins = python socket = /tmp/localhost.sock master = true enable-threads = true processes = 2 wsgi-file = /home/user/projects/zt/myproject/myproject/wsgi.py virtualenv = /home/user/projects/zt chdir = /home/user/projects/zt/myproject touch-reload = /home/user/projects/zt/myproject/reload This config work on my ubuntu server with normal domain (not localhost) but on localhost not working. If I run localhost in web browser I have Welcome to nginx!

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• best/simplest way to inform search engine of sitemap location

  - by Don

  AFAIK, there are 2 ways to make search engines aware of a sitemap's location: Include an absolute link to it in robots.txt Submit it to them directly. The relevant URLs are: http://www.google.com/webmasters/tools/ping?sitemap=SITEMAP_URL http://www.bing.com/webmaster/ping.aspx?sitemap=SITEMAP_URL Where SITEMAP_URL is the absolute URL of the sitemap. Currently, I do both. Regarding (2), I have a job that runs automatically every day which submits the sitemap to Bing and Google. I don't think there's any reason to do (1) and (2), but I'm paranoid, so I do. I imagine you can avoid both (1) and (2) if you just make your sitemap accessible at a conventional URL (like robots.txt). What's the simplest and most reliable way to ensure that search engines can find your sitemap?

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• RewriteRule working local but not on remote server

  - by m0tv

  I have a .htaccess file with one simple RewriteRule: RewriteEngine on RewriteRule ^([A-Za-z0-9-]+)$ ?site=$1 I want to have an url like http://www.example.com/imprint and forward it to http://www.example.com/?site=imprint I checked this rule with an RewriteRule tester which gave me the results I want to achieve. On my local development system it works well too. But on a remote server the URLs just give me a 404 error. Other more simple rewrite rules are working with no problems, so everything must be set up correctly (I think..). The problem is that I don't have access to any error logs or the server configs. So the only thing I can do is to guess... Can anyone tell me if theres something wrong with this rule? Or anything else I can do or test to solve this? Or has someone an idea what could be wrong on the server?

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• How to get rid of crawling errors due to the URL Encoded Slashes (%2F) problem in Apache

  - by user14198

  The Google web crawler has indexed a whole set of URLs with encoded slashes (%2F) for our site. I assume it has picked up the pages from our XML sitemap file. The problem is that the live pages will actually result in a failure because of the Url Encoded Slashes Problem in Apache. Some solutions are mentioned here We are implementing a 301 redirect scheme for all the error pages. This should make the Google bot delete the pages from the crawling errors (no more crashing pages). Does implementing the 301s require the pages to be "live"? In that case we may be forced to implement solution 1 in the article. The problem is that solution 1 will pose a security vulnerability..

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• Recursion in F#

  - by MarkPearl

  Things are slowly coming together – I was able to look at a bit of F# code and intuitively know what it was going to do (yay)… So today I saw a blog post by Bob Palmer on Fibonacci numbers in F# which inspired me to look at bit into recursion. First the C# example… class Program { public static void CountDown(int n) { switch (n) { case 0: Console.WriteLine("End of Count"); break; default: Console.WriteLine(n); CountDown(n-1); break; } } static void Main(string[] args) { CountDown(10); Console.ReadLine(); } }   In F#, the equivalent would look something like this… open System let rec CountDown n = match n with | 0 -> Console.WriteLine("End of Count"); | n -> Console.WriteLine(n); CountDown (n-1); CountDown 10 Console.ReadLine()   Pretty simple stuff. With F# you when making recursive calls you need to explicitly declare that the function is recursive with the “rec” keyword. Otherwise the code is pretty easy to read and self explanatory.

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• Managing many draw calls for dynamic objects

  - by codetiger

  We are developing a game (cross-platform) using Irrlicht. The game has many (around 200 - 500) dynamic objects flying around during the game. Most of these objects are static mesh and build from 20 - 50 unique Meshes. We created seperate scenenodes for each object and referring its mesh instance. But the output was very much unexpected. Menu screen: (150 tris - Just to show you the full speed rendering performance of 2 test computers) a) NVidia Quadro FX 3800 with 1GB: 1600 FPS DirectX and 2600 FPS on OpenGL b) Mac Mini with Geforce 9400M 256mb: 260 FPS in OpenGL Now inside the game in a test level: (160 dynamic objects counting around 10K tris): a) NVidia Quadro FX 3800 with 1GB: 45 FPS DirectX and 50 FPS on OpenGL b) Mac Mini with Geforce 9400M 256mb: 45 FPS in OpenGL Obviously we don't have the option of mesh batch rendering as most of the objects are dynamic. And the one big static terrain is already in single mesh buffer. To add more information, we use one 2048 png for texture for most of the dynamic objects. And our collision detection hardly and other calculations hardly make any impact on FPS. So we understood its the draw calls we make that eats up all FPS. Is there a way we can optimize the rendering, or are we missing something?

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• Renaming Nginx 1.3.5 Server: response header

  - by Ryan

  In nginx 1.2 & 1.3 you can modify the source to change the name: src/http/ngx_http_header_filter_module.c (lines 48 and 49): static char ngx_http_server_string[] = "Server: Not Nginx" CRLF; static char ngx_http_server_full_string[] = "Server: Not Nginx/1.0" CRLF; Renaming those and recompiling the source changes the server response name in nginx 1.2. However doing this in 1.3 does not seem to change the name. It still says nginx/1.3.5 and with server_tokens off; it just says nginx. How can I change the server name in 1.3 without installing the 3rd party addon headers more? I want to compile from source.

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• How do I interpret direct traffic that lands on random pages?

  - by mfg

  Looking at yesterday, according to Google Analytics, I got six direct visitors to my site (their source/medium is direct/(none)). Only one ended up at the actual domain. The other five ended up at miscellaneous foo.com/xyz.html. I did not send out links to people by email, and I'm not sure how likely it is the people would have copy/pasted the URLs. How do the visitors end up there? Is there a way to better capture where they might be coming from?

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• Extracting meta tags attribute using wget [migrated]

  - by Amit

  I have a file having some URLs per line. I need to extract the "keywords" present in the tags i.e. if there is meta tag for "keywords" then i want to get "content" value for it. Example: if the web-page has this meta-tag then for that URL i want "wikipedia,encyclopedia" to be extracted. One approach is to download the web-page using "wget" and then parse it using some standard HTML parser. I was wondering is there any better way to do this without downloading the entire web-page.

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• A lot of 302 redirects

  - by user3651934

  I have a website for which one month stat shows: Unique Visitors 6274 Total Visitors 7260 Pages visited 9520 Hits 88891 Whats concerns me about is the HTTP status code: 302 Moved temporarily (redirect) 36302 How come 40% hits are being redirected. If it is not normal, what could be the possible reasons? ------------------------ adding more information ------------------------ Ok, here is the code I'm using in my .htaccess file for clean URLs. Is this causing as many as 36302 redirect hits? RewriteCond %{REQUEST_FILENAME}.php -f RewriteRule ^([^\.]+)$ $1.php [L] RewriteCond %{REQUEST_FILENAME} -d RewriteRule ^(.+[^/])$ $1/ [R] RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*)$ index.php?page=$1 [L,QSA] RewriteRule ^(.*)/$ index.php?page=$1 [L,QSA]

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• Good design for class with similar constructors

  - by RustyTheBoyRobot

  I was reading this question and thought that good points were made, but most of the solutions involved renaming one of the methods. I am refactoring some poorly written code and I've run into this situation: public class Entity { public Entity(String uniqueIdentifier, boolean isSerialNumber) { if (isSerialNumber) { this.serialNumber = uniqueIdentifier; //Lookup other data } else { this.primaryKey = uniqueIdentifier; // Lookup other data with different query } } } The obvious design flaw is that someone needed two different ways to create the object, but couldn't overload the constructor since both identifiers were of the same type (String). Thus they added a flag to differentiate. So, my question is this: when this situation arises, what are good designs for differentiating between these two ways of instantiating an object? My First Thoughts You could create two different static methods to create your object. The method names could be different. This is weak because static methods don't get inherited. You could create different objects to force the types to be different (i.e., make a PrimaryKey class and a SerialNumber class). I like this because it seems to be a better design, but it also is a pain to refactor if serialNumber is a String everywhere else.

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• Any frameworks or library allow me to run large amount of concurrent jobs schedully?

  - by Yoga

  Are there any high level programming frameworks that allow me to run large amount of concurrent jobs schedully? e.g. I have 100K of urls need to check their uptime every 5 minutes Definitely I can write a program to handle this, but then I need to handle concurrency, queuing, error handling, system throttling, job distribution etc. Will there be a framework that I only focus on a particular job (i.e. the ping task) and the system will take care of the scaling and error handling for me? I am open to any language.

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• Binding BoundingSpheres to a world matrix in XNA

  - by NDraskovic

  I made a program that loads the locations of items on the scene from a file like this: using (StreamReader sr = new StreamReader(OpenFileDialog1.FileName)) { String line; while ((line = sr.ReadLine()) != null) { red = line.Split(','); model = row[0]; x = row[1]; y = row[2]; z = row[3]; elements.Add(Convert.ToInt32(model)); data.Add(new Vector3(Convert.ToSingle(x), Convert.ToSingle(y), Convert.ToSingle(z))); sfepheres.Add(new BoundingSphere(new Vector3(Convert.ToSingle(x), Convert.ToSingle(y), Convert.ToSingle(z)), 1f)); } I also have a list of BoundingSpheres (called spheres) that adds a new bounding sphere for each line from the file. In this program I have one item (a simple box) that moves (it has its world matrix called matrixBox), and other items are static entire time (there is a world matrix that holds those elements called simply world). The problem i that when I move the box, bounding spheres move with it. So how can I bind all BoundingSpheres (except the one corresponding to the box) to the static world matrix so that they stay in their place when the box moves?

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• IIS 6 nested virtual directory redirection

  - by threedaysatsea

  We're running IIS 6 on a WinServer2k3 box and we're having some trouble with the following problem: E-mails were sent out to users asking them to go to the following URL: alias.contoso.com/directory2/view.aspx?queryparam1=no&queryparam2=blue However, the URLS are actually supposed to be: server.contoso.com/directory2/view.aspx?queryparam1=no&queryparam2=blue It's too late to recall all of the e-mails, and we'd like to redirect traffic to make this as seamless as possible for our users. The real problem here is that the server (server.contoso.com) is hosting the alias (alias.contoso.com) as a redirect thusly, and the existing redirect we need to keep functional: Default Web Site (server.contoso.com) --Directory1 --Directory2 --Directory3 Redirection to Directory3 (alias.contoso.com) --Essentially alias.contoso.com will take the user to server.contoso.com/Directory3 Is there any way to host a separate redirect inside of the existing redirect? We need to keep alias.contoso.com taking the user to server.contoso.com/Directory3 but also make alias.contoso.com/directory2/view.aspx?queryparam1=no&queryparam2=blue point to server.contoso.com/directory2/view.aspx?queryparam1=no&queryparam2=blue Any tips? Is this even possible?

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• Trying to get DNS services running on Windows Server 2008 R2, what am I getting wrong ?

  - by LaserBeak

  Ok, So I am basically trying to get a home server pc up that will provide Domain name services, act as Mail server and web server. I have one static IP, well it's not officially static but hasn't changed in two years so I'll call it static. I have done the following: Configured router NAT/virtual port forward UDP/TCP port 53 to the internal IP of my server 192.168.1.16, in adapter settings specified the manual settings: 192.168.1.16 IP, gateway 192.168.1.1, Subnet: 255.255.255.0 and loopback DNS: 127.0.0.1 Using my public my public IP Checked using http://www.canyouseeme.org/ that port 53 is open and is not being blocked by my ISP. It can see services on this port. Registered Domain name (mydomain.com.au) Updated whois database through the domain registrars site and registered NameServer names: ns0.mydomain.com.au and ns2.mydomain.com.au, both have been associated with my single public IP. (Waited 24 hours) Update the nameserver for mydomain.com.au: primary ns0.mydomain.com.au secondary: ns2.mydomain.com.au (waited 24+ hours) Installed Server 2008 R2, install web server role and DNS role. Webserver works when I enter my public IP into browser of any PC/mobile, get IIS7 welcome page. In DNS server: Created new forward lookup zone: ; ; Database file mydoman.com.au.dns for mydomain.com.au zone. ; Zone version: 10 ; @ IN SOA mydomain.com.au. mydomain.testdomain.com. ( 10 ; serial number 900 ; refresh 600 ; retry 86400 ; expire 3600 ) ; default TTL ; ; Zone NS records ; @ NS ns0.mydomain.com.au. @ NS ns1.mydomain.com.au. ; ; Zone records ; @ A 192.168.1.16 www A 192.168.1.16 The Domain name services will however not work, the whois database updated with ns0.mydomain.com.au etc. but when I type in my site name www.mydomain.com.au from an external machine it will not open site and I can't even ping it (Can't find host) When I check the ns0.mydomain.com.au NS record using a tool Like: http://www.squish.net/dnscheck/ I get: Security: Server ns0.mydomain.com.au (XXX.XXX.XXX.XX <- my public IP) is recursive Domain exists but there is no such record Any ideas, thanks...

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• Ubuntu Server 12.04 as a router. Problem with DNS?? Or Routing table?

  - by Lorenzo

  I have a virtualbox lab made up of 4 Windows 2008 R2 servers (DC/DNS,SQL,SHAREPOINT, EXCHANGE) that are configured with static ip addresses with NIC's attached to Internal network. Everything works. I had the requirement to execute some tests that also access external services available on the internet. To keep things clean and similar to the production environment I have installed another VM, with Ubuntu Server 12.04 64 bit and configured (I hope) to work as a router like described on this post. This VM has two network interfaces: first is Bridged with the host and is used as a WAN connection and the other one attached in the Internal Network with its own static IP address on the internal network subnet. But actually the Windows servers does not connect to the internet while the unix one connects. I did a route command. this is the result: Kernel IP Routing table Destination Gateway Genmask Flags Metric Ref Use Iface default 10.69.121.1 0.0.0.0 UG 100 0 0 eth0 10.69.121.0 * 255.255.255.0 U 0 0 0 eth0 192.168.83.0 * 255.255.255.0 U 0 0 0 eth1 Can somebody help me with this configuration? :) Thanks! Addendum: I forgot to mention that one of the windows server hosts a DNS service for which I should maybe configure a forwarding server but I do not exactly know which server to forward on... :(

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• Seo Google Publisher Network

  - by Andy

  I'm just about to start a new business which creates niche affiliate sites. I'm curious about the impacts to me from Google of all the urls being hosted with the same analytic tags, webmaster tool tags and server ip ranges. To benefit the most from google's serps should i have each domain within seperate analytic accounts and webmaster tools or is it ok for me to have all of my domains within one account. My issue is duplicate content and the fact that i am building a publisher network and i'm not sure how much google likes them. I'm notoriously bad at searching and as such havent found what i'm looking for yet. Any help would be very much appreciated.

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• Moved sitemaps to a different subdomain and losing search referrals around the same time. Red herring or correlation?

  - by er1234

  We started to lose search referral traffic around the same time that I moved some of our sitemaps to a subdomain. Could this have hurt us? I followed Google's steps to creating a sitemap under a different subdomain. The new sitemaps.foo.com subdomain is being crawled and indexed well. Both www.foo.com and sitemaps.foo.com have been verified in Google Webmaster Tools. They appear as distinct sites. Is this correct? I can't find a way in Webmaster Tools to say "Hey, sitemaps.foo.com is really owned by www.foo.com, so show them together and make sure to attribute sitemaps.foo urls to www.foo" Our www.foo.com/robots.txt Sitemap: http://www.foo.com/sitemap.xml Sitemap: http://sitemaps.foo.com/subdir/sitemap.xml.gz

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• BoundingSpheres move when they should not

  - by NDraskovic

  I have a XNA 4.0 project in which I load a file that contains type and coordinates of items I need to draw to the screen. Also I need to check if one particular type (the only movable one) is passing in front or trough other items. This is the code I use to load the configuration: if (ks.IsKeyDown(Microsoft.Xna.Framework.Input.Keys.L)) { this.GraphicsDevice.Clear(Color.CornflowerBlue); Otvaranje.ShowDialog(); try { using (StreamReader sr = new StreamReader(Otvaranje.FileName)) { String linija; while ((linija = sr.ReadLine()) != null) { red = linija.Split(','); model = red[0]; x = red[1]; y = red[2]; z = red[3]; elementi.Add(Convert.ToInt32(model)); podatci.Add(new Vector3(Convert.ToSingle(x), Convert.ToSingle(y), Convert.ToSingle(z))); sfere.Add(new BoundingSphere(new Vector3(Convert.ToSingle(x), Convert.ToSingle(y), Convert.ToSingle(z)), 1f)); } } } catch (Exception ex) { Window.Title = ex.ToString(); } } The "Otvaranje" is an OpenFileDialog object, "elementi" is a List (determines the type of item that would be drawn), podatci is a List (determines the location where the items will be drawn) and sfere is a List. Now I solved the picking algorithm (checking for ray and bounding sphere intersection) and it works fine, but the collision detection does not. I noticed, while using picking, that BoundingSphere's move even though the objects that they correspond to do not. The movable object is drawn to the world1 Matrix, and the static objects are drawn into the world2 Matrix (world1 and world2 have the same values, I just separated them so that the static elements would not move when the movable one does). The problem is that when I move the item I want, all boundingSpheres move accordingly. How can I move only the boundingSphere that corresponds to that particular item, and leave the rest where they are?

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• Make iMovie text overlay remain on screen after in-transition

  - by Kit

  My idea of a text overlay has the following timeline: In-transition Static display Out-transition For this project, I am particularly fond of iMovie's Organic Main text overlay. I want it to display for an extended period. The problem is, when I set its display time for 3:20 (minutes:seconds), it performs its transition over the whole period. The text would won't be fully seen until the next 3 minutes. This is what I want: In-transition for 1 second Static display for 3:18 minutes Out-transition for 1 second Is that possible with iMovie?

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