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• My .NET Technology picks for 2011

  - by shiju

  My Technology predictions for 2011 Cloud computing and Mobile application development will be the hottest trends for 2011. I hope that Windows Azure will be very hot in year 2011 and lot of cloud computing adoption will be happen with Windows Azure on 2011. Web application scalability will be the big challenge for Architects in the next year and architecture approaches like CQRS will get some attention on next year. Architects will look on different options for web application scalability and adoption of NoSQL and Document databases will be more in the year 2011. The following are the my technology picks for .Net stack Windows Azure Windows Azure will be one of the hottest technologies of 2011. Adoption of Cloud and Windows Azure will get big attention on next year. The Windows Azure platform is a flexible cloud–computing platform that lets you focus on solving business problems and addressing customer needs. No need to invest upfront on expensive infrastructure. Pay only for what you use, scale up when you need capacity and pull it back when you don’t. We handle all the patches and maintenance — all in a secure environment with over 99.9% uptime. Silverlight 5 Silverlight is becoming a common technology for variety of development platforms. You can develop Silverlight applications for web, desktop and windows phone. The new Silverlight 5 beta will be available during the starting quarter of the next year with new capabilities and lot of new features. Silverlight 5 will be powerful development platform for both web-based business apps and rich media solutions. We can expect final version of Silverlight 5 on end of 2011. Windows Phone 7 Development Tools Mobile application development will be very hot in year 2011 and Windows Phone 7 will be one of the hottest technologies of next year. You can get introduction on Windows Phone 7 Development Tools from somasegar’s blog post and MSDN documentation available from here. EF Code First I am a big fan of Entity Framework’s Code First approach and hope that Code First approach will attract more people onto Entity Framework 4. EF Code First lets you focus on domain model which will enable Domain-Driven Development for applications. I hope that DDD fans will love the EF Code First approach. The Entity Framework 4 now supports three types of approaches and these will attract different types of developer audience. ASP.NET MVC 3 The ASP.NET MVC 3 will be the hottest technology of Microsoft web stack on the next year. ASP.NET developers will widely move to the ASP.NET MVC Framework from their WebForms development. The new Razor view engine is great and it will increase the adoption of ASP.NET MVC 3. Razor the will improve the productivity when working with ASP.NET MVC 3 Views. You can build great web applications using ASP.NET MVC 3 and jQuery with better maintainability, generation of clean HTML and even better performance. In my opinion, the best technology stack for web development is ASP.NET MVC 3 and Entity Framework 4 Code First as ORM. On the next year, you can expect more articles from my blog on ASP.NET MVC 3 and Entity Framework 4 Code First. RavenDB NoSQL and Document databases will get more attention on the coming year and RavenDB will be the most notable document database in the .NET stack. RavenDB is an Open Source (with a commercial option) document database for the .NET/Windows platform developed by Ayende Rahien. RavenDB is .NET focused document database which comes with a fully functional .NET client API and supports LINQ. I have written few articles on RavenDB and you can read it from here. Managed Extensibility Framework (MEF) Many people didn't realized the power of MEF. The MEF lets you create extensible applications and provides a great solution for the runtime extensibility problem. I hope that .NET developers will more adopt the MEF on the next year for their .NET applications. You can get an excellent introduction on MEF from Anoop Madhusudanan’s blog post MEF or Managed Extensibility Framework – Creating a Zoo and Animals

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• Sharepoint 2007 Event ID 6482

  - by Dave M

  Our two server SharePoint 2007 SP2 farm has an issue. Event ID 6482 appears in the Application log of the Web front end many times a day. Often many time a minute. The full error is from Office SharePoint Server Event Type: Error Event Source: Office SharePoint Server Event Category: Office Server Shared Services Event ID: 6482 Date: 11/12/2009 Time: 3:05:22 PM User: N/A Computer: XXXXXX Description: Application Server Administration job failed for service instance Microsoft.Office.Server.Search.Administration.SearchServiceInstance (36a9b7ef-59aa-4f94-8887-8bf7b56f2f91). Reason: Error during encryption or decryption. System error code 0. Techinal Support Details: System.ArgumentException: Error during encryption or decryption. System error code 0. at Microsoft.Office.Server.Search.Administration.SearchServiceInstance.SynchronizeDefaultContentSource(IDictionary applications) at Microsoft.Office.Server.Search.Administration.SearchServiceInstance.Synchronize() at Microsoft.Office.Server.Administration.ApplicationServerJob.ProvisionLocalSharedServiceInstances(Boolean isAdministrationServiceJob) For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp. The SharePoint site appears to be functioning normally and Search returns expected results. Any suggestions would be appreciated

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• Tracking Redirects Leading to your site

  - by Bill

  Is there a way in which I can find out if a user arrived at my site via a redirect? Here's an example: There are two sites, first.com & second.com. Any request to first.com will do a 302 redirect to second.com. When the request at second.com arrives, is there anyway to know it was redirected from first.com? Note that in this example you have no control over first.com. (In fact, it could be something bad, like kiddieporn.com.) Also note, because it is a redirect, it will not be in the HTTP referrer header.

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• SEO for maps-based websites that require user interaction

  - by j0nes

  I have a website that basically shows a lot of locations worldwide on a Google Maps like interface. The map itself is built using the Leaflet library and Open Street Map tiles. In the map, I show markers at each location I have. There is a popup window when I click on a marker that shows additional information and contains links to "detail" pages for this location. I fetch the location data for the viewpoint from an AJAX call from my server, so the additional information is not available in the HTML page itself. The detail pages are the pages my users are interested in. My normal users load the map, search the location they are interested in, click on a marker and click on a link in the popup window. However for search engines, this might look different. As this navigation pattern relies on user interaction, I think they might not be able to find the details page. My questions: Are search engines able to follow a navigation path like outlined above? How can I improve the navigation for search engines? (For example showing textual links below the map, sitemaps...) How important are internal links for SEO?

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• Unknown C# keywords: params

  - by Chris Skardon

  Often overlooked, and (some may say) unloved, is the params keyword, but it’s an awesome keyword, and one you should definitely check out. What does it do? Well, it lets you specify a single parameter that can have a variable number of arguments. You what? Best shown with an example, let’s say we write an add method: public int Add(int first, int second) { return first + second; } meh, it’s alright, does what it says on the tin, but it’s not exactly awe-inspiring… Oh noes! You need to add 3 things together??? public int Add(int first, int second, int third) { return first + second + third; } oh yes, you code master you! Overloading a-plenty! Now a fourth… Ok, this is starting to get a bit ridiculous, if only there was some way… public int Add(int first, int second, params int[] others) { return first + second + others.Sum(); } So now I can call this with any number of int arguments? – well, any number > 2..? Yes! int ret = Add(1, 2, 3); Is as valid as: int ret = Add(1, 2, 3, 4); Of course you probably won’t really need to ever do that method, so what could you use it for? How about adding strings together? What about a logging method? We all know ToString can be an expensive method to call, it might traverse every node on a class hierarchy, or may just be the name of the type… either way, we don’t really want to call it if we can avoid it, so how about a logging method like so: public void Log(LogLevel level, params object[] objs) { if(LoggingLevel < level) return; StringBuilder output = new StringBuilder(); foreach(var obj in objs) output.Append((obj == null) ? "null" : obj.ToString()); return output; } Now we only call ‘ToString’ when we want to, and because we’re passing in just objects we don’t have to call ToString if the Logging Level isn’t what we want… Of course, there are a multitude of things to use params for…

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• Outlook 2007 to 2010 upgrade - Invisible folders issue

  - by Mahesh

  Hi, I upgraded my outlook 2007 to 2010. Everything was smooth, but realised later that, some of the archeive folders are missing. But, When I did a search on my archeive for a mail(exists in missing folder), it is able to show the mail in the search results. It is also showing the missing folder name in the search results. Please let me know why this is happening and a possible resolution. Thanks a lot. Mahesh

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• Hello World!

  - by pinhack

  This is my first Post - more 2 come! :-)

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• Javascript MVC in principle

  - by Michael

  Suppose I want to implement MVC in JavaScript. I am not asking about MVC frameworks. I am asking how to build it in principle. Let's consider a search page of an e-commerce site, which works s follows: User chooses a product and its attributes and press a "search" button. Application sends the search request to the server, receives a list of products. Application displays the list in the web page. I think the Model holds a Query and list of Product objects and "publishes" such events as "query updated", "list of products updated", etc. The Model is not aware of DOM and server, or course. View holds the entire DOM tree and "subscribes" to the Model events to update the DOM. Besides, it "publishes" such events as "user chose a product", "user pressed the search button" etc. Controller does not hold any data. It "subscribes" to the View events, calls the server and updates the Model. Does it make sense?

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• I need an approach to the problem of preventing inserting duplicate records into the database

  - by Maurice

  Apologies is this question is asked on the incorrect "stack" A webservice that I call returns a list of data. The data from the webservice is updated periodically, so a call to the webservice done in one hour could return the same data as a call done in an hour. Also, the data is returned based on a start and end date. We have multiple users that can run the webservice search, and duplicate data is most likely to be returned (especially for historical data). However I don't want to insert this duplicate data in the database. I've created a db table in which the data is stored (most important columns are) Id int autoincrement PK Date date not null --The date to which the data set belongs. LastUpdate date not null --The date the data set was last updated. UserName varchar(50) --The name of the user doing the search. I use sql server 2008 express with c# 4.0 and visual studio 2010. Entity Framework is used as the ORM. If stored procedures could be avoided in the proposed solution, then that will be a plus. Another way of looking interpreting what I'm asking a solution for is as follows: I have a million unique records in my table. A user does a new search. The search results from the user contains around 300k of the data that is already in the db. An efficient solution to finding an inserting only the unique records is needed.

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• Basic collision direction detection on 2d objects

  - by Osso Buko

  I am trying to develop a platform game for Android by using ANdroid GL Engine (ANGLE). And I am having trouble with collision detection. I have two objects which is shaped as rectangular. And no change in rotation. Here is a scheme of attributes of objects. What i am trying to do is when objects collide they block each other's movement on that direction. Every object has 4 boolean (bTop, bBottom, bRight, bLeft). For example when bBottom is true object can't advance on that direction. I came up with a solution but it seems it only works on one dimensional. Bottom and top or right and left. public void collisionPlatform (MyObject a, MyObject b) { // first obj is player and second is a wall or a platform Vector p1 = a.mPosition; // p1 = middle point of first object Vector d1 = a.mPosition2; // width(mX) and height of first object Vector mSpeed1 = a.mSpeed; // speed vector of first object Vector p2 = b.mPosition; // p1 = middle point of second object Vector d2 = b.mPosition2; // width(mX) and height of second object Vector mSpeed2 = b.mSpeed; // speed vector of second object float xDist, yDist; // distant between middle of two object float width , height; // this is average of two objects measurements width=(width1+width2)/2 xDist=(p1.mX - p2.mX); // calculate distance // if positive first object is at the right yDist=(p1.mY - p2.mY); // if positive first object is below width = d1.mX + d2.mX; // average measurements calculate height = d1.mY + d2.mY; width/=2; height/=2; if (Math.abs(xDist) < width && Math.abs(yDist) < height) { // Two object is collided if(p1.mY>p2.mY) { // first object is below second one a.bTop = true; if(a.mSpeed.mY<0) a.mSpeed.mY=0; b.bBottom = true; if(b.mSpeed.mY>0) b.mSpeed.mY=0; } else { a.bBottom = true; if(a.mSpeed.mY>0) a.mSpeed.mY=0; b.bTop = true; if(b.mSpeed.mY<0) b.mSpeed.mY=0; } } As seen in my code it simply will not work. when object comes from right or left it doesn't work. I tried couple of ways other than this one but none worked. I am guessing right method will include mSpeed vector. But I have no idea how to do it. I really appreciate if you could help. Sorry for my bad english.

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• Will having multiple domains improve my seo?

  - by Anonymous12345

  Lets say I have a domain already, for example www.automobile4u.com (not mine), with a website fully running and all. The title of my "Website" says: <title>Used cars - buy and sell your used cars here</title> Also, lets say I have fully SEO the website so when people searching for the term buy used cars, I end up on the second or first page. Now, I want to end up higher, so I go to the google adwords page where you can check how many searches are made on specific terms. Lets say the term "used cars" has 20 million searches each month. Here comes the question, could I just go and buy that domain with the search terms adress, in this case www.usedcars.com and make a redirect to my original page, and this way when people search for "used cars", my newly bought domain name comes up redirecting people to my original website (www.automobile4u.com)? The reason I believe this benefits me is because it seems search engines first of all check website adresses matching the search, so the query "used cars" would automatically bring www.usedcars.com to the first result right? What are the downsides for this? I already know about google spiders not liking redirects, but there are many methods of redirecting... Is this a good idea generally?

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• Grep all files in a directory and print matches with file name

  - by javanix

  I have a list of log files that I create as part of a video encoding script that I wrote. I would like to search all of them and print out certain statistics from the encode - how fast they were encoded, what settings were used, etc. I can search for the average framerate in one file via this 1 liner: cat ${filename} | grep average which outputs: work: average encoding speed for job is 23.211176 fps and search for the ratefactor: cat ${filename} | grep RF I would like to search all files in the directory and print off one, or prefereably both pieces of information along with the filename. Is there any way I can use find or grep to get this in a one-liner, or do I need to write a script? I would like output like this: /home/javanix/filename.log <RF line> <average line> I would like this to either work using FreeBSD 9 or Ubuntu 12.04.

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• Reenabling the Spotlight Menubar item in Mac OS X 10.6

  - by Tim Visher

  I believe I followed the instructions here to disable Spotlight indexing and remove the menubar item. I reenabled indexing just fine, but when I changed the permissions back to 744, the spotlight search position came back (as in the space it would normally occupy), but the actual icon and search box will not show up. If I click that portion of the screen I get a blue box, but I can't type anything in to anything. Currently, permissions look like this: [~]$ ll /System/Library/CoreServices/Search.bundle.bak/Contents/MacOS/ total 648 -rwxr-xr-x 1 root wheel 835K Sep 17 14:48 Search* ll is an alias mapped to the following alias ll='${LS_PREAMBLE} -hl' with $LS_PREAMBLE [~]$ echo $LS_PREAMBLE ls -GF (Ignore the .bak extension. I decided that until I found a way to fully restore it, I would just remove it entirely following the directions here) That looks right to me and obviously something is launching, but the UI elements aren't there. So how can I restore it? Thanks in advance!

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• Make Safari 5's location bar more like Omnibox or AwesomeBar

  - by Lri

  When searching for history or favorites, the search phrase has to be an exact substring of the URL or title. For example super awesome wouldn't match this page. Can the criteria be made more liberal? When an item that was matched by its title is selected from the suggestion list, the title is filled in in place of the URL. The filled in part sometimes starts from the middle of a URL or a title. Can either of these behaviors be changed? Can you redirect unresolved addresses to the default search engine or a custom URL? In Firefox you can go to about:config and set keyword.URL to http://www.google.com/search?btnI&q=. Can you remove or hide the web search field? In Camino, Cruz, and Fluid it can be resized to zero width.

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• Installer hangs at blinking dots

  - by Aldrin

  I've got a problem. I've tried booting it from a 4gb FlashDrive many times and yet, it'll just show me blinking dots. I've tried the options (booting from first drive, trying ubuntu without installing, help, test memory). I cant! I've also tried Ubuntu 11.10 but the turns out the same. Additional specs: First HDD, 2 partitions, C: and E: by Windows. Second HDD, 2 partitions, F: and G: by Windows. First HDD: 40Gb, Second HDD: 32Gb. I've made the Second HDD blank and plan to install Ubuntu there. Any help will do. I've tried both of the ISO images of both Linux Distros, but it didn't work. Both of them results to these. HELP "Registered protocol family 1", then "_", Boot from first hard drive Cannot load a ramdisk with an old kernel image.

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• Camera placement sphere for an always fully visible object

  - by BengtR

  Given an object: With the bounds [x, y, z, width, height, depth] And an orthographic projection [left, right, bottom, top, near, far] I want to determine the radius of a sphere which allows me to randomly place my camera on so that: The object is fully visible from all positions on this sphere The sphere radius is the smallest possible value while still satisfying 1. Assume the object is centered around the origin. How can I find this radius? I'm currently using sqrt(width^2 + height^2 + depth^2) but I'm not sure that's the correct value, as it doesn't take the camera into account. Thanks for any advice. I'm sorry for confusing a few things here. My comments below should clarify what I'm trying to do actually.

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• PASS Summit 2012, Day 1

  - by KKline

  One of the most positive experiences I can have, as a former leader of the PASS organization, is when I see a neophyte become a passionate support and champion for the community. On my first day in Seattle, before the event had even begun, I was stopped several by people who'd attended their first PASS Summit last year. But this year, they were excited to tell me that they'd started user groups in their own community, spoken for the first time at a PASS event, or even helped launch a SQL Saturday...(read more)

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• Can I tell Chrome not to redirect mistyped URLs?

  - by Nathan Long

  If I mistype a URL, Chrome sometimes redirects me to a search. For instance, typing "example_url_i_sometimes_mistype.conm" into the location bar gets me: Your search - example_url_i_sometimes_mistype.conm - did not match any documents. Not only is this annoying, but if the mistyped URL was one on private DNS, I've now just told Google that the domain exists. (A small concern, but bad in principle.) Can I configure Chrome to just show an error and not blab to Google Search about it?

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• Problem manipulating text using grep

  - by moata_u

  I want to search for a line that contains log4j and take 7 lines before and 3 lines after the match. grep -B7 -A3 "log4j" web.xml After that I want to add comment tags before this paragraph and after it. <!-- paragraph that i found by grep --> I wrote this script bellow: search=`find . -name 'web.xml'` text=`grep -B7 -A3 "log4j" $search` sed -i "/$text/c $newparagraph" $search It's not working. Is there any way to just add comment symbol not replace the paragraph? What I want to the script to do: search for the paragraph append append -- at the end Edit: This is the paragraph that am trying manipulate : <context-param> <param-name>log4jConfigLocation</param-name> <param-value>/WEB-INF/classes/log4j.properties</param-value> </context-param> <listener> <listenerclass> org.springframework.web.util.Log4jConfigListener </listener-class> </listener> This paragraph is part of many paragraphs! I want make it like this: <!-- <context-param> <param-name>log4jConfigLocation</param-name> <param-value>/WEB-INF/classes/log4j.properties</param-value> </context-param> <listener> <listenerclass> org.springframework.web.util.Log4jConfigListener </listener-class> </listener> -->

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• Outlook 2010 PST not indexing

  - by kellyllek

  I've had this problem for months: Outlook is unable to search recent items in the inbox. I was running Outlook 2010 Beta. I've just moved to the Trial version, hoping to solve the issue. I have tons of PST files but one central one I'm mainly concerned with. As of now it seems none of it is indexing. I've been through all the sites and made all the changes; rebuilt the index, changed the name of the PST files, run scanpst, stopped and started the search services, made sure the Windows features under programs and features has the indexing option checked, etc... Status now says 'zero items left to index', and 150,000 have been indexed. I think I have a lot more files than that, and also nothing is showing up on any search. I'm not sure what else to do? Side question. I'm going to be moving out of Outlook. However I have 10Gigs+ of PST files over the years. I want to merge them and make them search-able in the easiest way possible. Any idea on how to do that? Could I even move over to Thunderbird right now and be able to index and search my PST files? Also, Google Desktop won't index Outlook 2010 email either...

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• Microsoft SQL Server Reporting Services (SSRS) using LINQ and Asp.net

  My First Example of using Microsoft SQL Server 2008 Reporting Services (SSRS)

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• Changing location in Google Chrome when searching

  - by Alex

  I've recently moved to the Czech Republic from Scotland and I can't find a way to permanently stop Google from automatically defaulting back to google.cz all the time. I've checked to ensure that all my google accounts and cookie based settings (e.g. Advanced Search Options) are set to English but it's still clearly doing an IP address lookup and disregarding everything else. The default Search Engine for Google Chrome (and switches to google.cz automatically): {google:baseURL}search?{google:RLZ}{google:acceptedSuggestion}{google:originalQueryForSuggestion}sourceid=chrome&ie={inputEncoding}&q=%s I've tried hardcoding it to: http://www.google.com/search?{google:RLZ}{google:acceptedSuggestion}{google:originalQueryForSuggestion}sourceid=chrome&ie={inputEncoding}&q=%s this kind of works, but won't work for inline searching, i.e. I always have to press enter in order to get any results which is a bit annoying as I've gotten so used to AJAX style searching I can't have been the only one to get this issue? Any help is appreciated

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• Searching SharePoint site with Windows Explorer

  - by alexsome

  Every week, I manually backup recent versions of the files on my group's SharePoint site. I open the library in Windows Explorer, search for all files modified in the past week, then copy and paste them to a network location. We need this process because our SharePoint site has a quota that we would easily meet if we had unlimited versions, so we keep a history of older versions on the network. Recently I got an upgrade to my work computer and I am unable to search the site using Windows Explorer. When I run the search for files modified in the last week no results are returned. If I run a search with no criteria on the file library, all the files are found but the "modified on" field is blank. So the search results only have the file and type fields. The new computer has Windows XP, just like the old one did. I hope this makes sense. Does anyone have any clue what the problem could be? I'd be happy to provide more info if necessary. It's bugging me to no end and I'm not even sure where to begin looking - it's either a trivial issue or a very obscure one. Thanks a lot.

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• How to Keep SEO Score from Dropping with Duplicate Content

  - by joeh0717

  I'm hoping that someone has a solution for what I'm trying to accomplish. I'm working on a travel agency web site and there's a "Overview" section for each cruise line. These overviews are located on the index page for each cruise line. Here's my issue: The company is creating a search engine that includes details on each cruise line. Their write-ups on each cruise line are great, so I'd like to include the overview they created for each cruise line, rather than having to create all new ones. However, I don't want duplicating their content to negatively affect the SEO scores of the pages they originally put this content on. It's gong to duplicate, since each page that's dynamically generated by their search engine is going to include a section about the cruise line (where I'd want to place the overview). Question: Is there any way that I can include these overviews (ideally, copying the exact HTML that they've already implemented) without the search engines indexing those particular code sections? I'd want the rest of the search result pages to be indexed...just not the section of each page that contains this duplicate code. I saw something about using a span class named robots-nocontent in Yahoo (not sure if this also applies to Bing) and googleon / googleoff tags in Google. Is this the best solution? I'm open to any suggestions, thanks!

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• Are Google Chrome's suggestions encrypted?

  - by NullUser

  Some of you might have noticed that Google has changed their search to use SSL by default. I noticed that even if you set your search engine on Chrome to unsecured Google, the results are delivered via HTTPS. I was wondering if the suggestions typed on the address bar are also sent via SSL. If not, how can I make them so? I can change the default search provider to Google SSL, but then I lose the suggestions.

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