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  • 2010 03 19 Malaga .net user group: Silverlight Catch Up !

    - by Braulio Díez Botella
    I have uploaded the presentation and source code samples of the session we had for the Malaga .net user group to my sky drive, you can find it here. About the session it self: is an express introduction to Silverlight and line of business application development, heavily based on samples / demo’s to cover the basics (Binding, INotifiable, ObservableCollections, Converters, …).

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  • Now Shipping! NetAdvantage for .NET 2010 Volume 3!

    The new NetAdvantage Ultimate includes all four Line of Business user interface control sets for ASP .NET, Windows Forms, WPF and Silverlight plus two advanced Data Visualization UI control sets for WPF and Silverlight. With six NetAdvantage products in one robust package, Infragistics® gives you hundreds of controls and infinite development possibilities. Unified XAML Product Strategy-Share Code, Get More Controls In the 10.3 release, Infragistics continues to deliver code parity between the XAML platforms, WPF and Silverlight. In the line of business toolsets, Infragistics introduces the new xamSchedule™, full-featured, Outlook® 2010-style schedule controls, and the new xamDataTree™, a data bound tree view that comfortably handles tens of thousands of tree nodes. Mimicking our Silverlight Drag and Drop Framework, the WPF Drag and Drop Framework CTP empowers you to add your own rich touches to your applications. Track Users' Behaviors New to all NetAdvantage Silverlight controls is the Infragistics Analytics Framework (IGAF), which empowers you to track user behavior in RIAs running on Silverlight 4. Building on the Microsoft® Silverlight Analytics Framework, with IGAF you can analyze the user's behaviors to ensure the experience you want to deliver. NetAdvantage for Windows Forms--New Office® 2010 Ribbon and Application Menu 2010 Create new experiences with Windows Forms. Now with Office 2010 styling, NetAdvantage for Windows Forms has new features such as Microsoft® Office 2010 ribbon and enhanced Infragistics.Excel to export the contents of the high performance WinGrid™ into Microsoft Excel® 2010. The new Windows Message Support enables Infragistics standalone editor controls to process numerous Windows® OS messages, allowing them to respond just like native controls to changes in the Windows environment. Create Faster Web 2.0 Experiences with NetAdvantage for ASP .NET Infragistics continues to push the envelope to deliver the fastest ASP .NET WebForms controls available on the market. Our lightning fast ASP .NET grids are now enhanced with XPS/PDF Exporting and Summary Rows. This release also includes support for jQuery Templating (as a CTP) within our WebDataGrid™ and WebDataTree™ controls allowing you to quickly cut down overall page size. Deliver Business Intelligence with Power, Flexibility and the Office 2010 Experience NetAdvantage for WPF Data Visualization and NetAdvantage for Silverlight Data Visualization help you deliver flexible, powerful and usable end user experiences in Business Intelligence applications. Both suites include the Pivot Grid that delivers the full power of online analytical processing (OLAP) to present multi-dimensional data, sliced and diced in cross-tabulated form for end users to drill down into, interact with and easily extract meaning from the data. Mapping Made Easy 10.3 marks the official release of the WPF Data Visualization xamMap™ control to map anything and everything from geographic to geo-spacial mapping data. Map layers allow you to add successive levels of detail, navigational panes for panning in all directions, color swatch panes that facilitate value scales like Choropleth shading, and scale panes allowing users to zoom-in and out. Both toolsets introduce the first of many relationship maps! With the xamOrgChart™ CTP you can map out organizational charts of up to 50K employees, competitive brackets (think World Cup) and any other relational, organizational map your application needs. http://www.infragistics.com span.fullpost {display:none;}

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  • Mount a LUKS partition at boot

    - by Adam Matan
    Hi, I have installed an Ubuntu machine with two encrypted LUKS partitions: one for / and one for /home. I've reinstalled the machine to upgrade to 10.04. Again, the / is installed using LUKS, and I'm able to mount the /home using: mkdir /media/home sudo cryptsetup luksOpen /dev/sda2 home sudo mount -t ext3 /dev/mapper/home /media/home The problem is, this cryptfs mapper disappears after boot, so I putting the appropriate line in fstab fails. How do I set the cryptfs to prompt for password and unlock the drive at boot? Thanks, Adam

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  • Why enumerator structs are a really bad idea (redux)

    - by Simon Cooper
    My previous blog post went into some detail as to why calling MoveNext on a BCL generic collection enumerator didn't quite do what you thought it would. This post covers the Reset method. To recap, here's the simple wrapper around a linked list enumerator struct from my previous post (minus the readonly on the enumerator variable): sealed class EnumeratorWrapper : IEnumerator<int> { private LinkedList<int>.Enumerator m_Enumerator; public EnumeratorWrapper(LinkedList<int> linkedList) { m_Enumerator = linkedList.GetEnumerator(); } public int Current { get { return m_Enumerator.Current; } } object System.Collections.IEnumerator.Current { get { return Current; } } public bool MoveNext() { return m_Enumerator.MoveNext(); } public void Reset() { ((System.Collections.IEnumerator)m_Enumerator).Reset(); } public void Dispose() { m_Enumerator.Dispose(); } } If you have a look at the Reset method, you'll notice I'm having to cast to IEnumerator to be able to call Reset on m_Enumerator. This is because the implementation of LinkedList<int>.Enumerator.Reset, and indeed of all the other Reset methods on the BCL generic collection enumerators, is an explicit interface implementation. However, IEnumerator is a reference type. LinkedList<int>.Enumerator is a value type. That means, in order to call the reset method at all, the enumerator has to be boxed. And the IL confirms this: .method public hidebysig newslot virtual final instance void Reset() cil managed { .maxstack 8 L_0000: nop L_0001: ldarg.0 L_0002: ldfld valuetype [System]System.Collections.Generic.LinkedList`1/Enumerator<int32> EnumeratorWrapper::m_Enumerator L_0007: box [System]System.Collections.Generic.LinkedList`1/Enumerator<int32> L_000c: callvirt instance void [mscorlib]System.Collections.IEnumerator::Reset() L_0011: nop L_0012: ret } On line 0007, we're doing a box operation, which copies the enumerator to a reference object on the heap, then on line 000c calling Reset on this boxed object. So m_Enumerator in the wrapper class is not modified by the call the Reset. And this is the only way to call the Reset method on this variable (without using reflection). Therefore, the only way that the collection enumerator struct can be used safely is to store them as a boxed IEnumerator<T>, and not use them as value types at all.

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  • SilverlightShow for November 07 - 13, 2011

    - by Dave Campbell
    Check out the Top Five most popular news at SilverlightShow for SilverlightShow Top 5 News for November 07 - 13, 2011. Here are the top 5 news on SilverlightShow for last week: Will there be a Silverlight 6 (and does it matter)? Silverlight 5 - the end of the line Microsoft confirms move to align Windows & Windows Phone JavaScript, MVVM and Silverlight - Papa's Perspective How TO: Virtualizing WrapPanel .NET Visit and bookmark SilverlightShow. Stay in the 'Light 

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  • Tor and Polipo installation steps

    - by ICXC
    i am having a problem of installing and configuring Tor and polipo on Ubuntu 12.4 LTS i want to patch it in the system i dont want to use the normal Vidalia program and browser , i need exactly to make it run in the system background and then i choose what to connect to it .. browsers or chayt clients .. please i need set by step help and command line .. tor website doesnt show the exact help i needed thank you .. Johny

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  • We need you! Sign up now to give Oracle your feedback on future product design trends at OpenWorld 2012

    - by mvaughan
    By Kathy Miedema, Oracle Applications User Experience Get the most from your Oracle OpenWorld 2012 experience and participate in a usability feedback session, where your expertise will help Oracle develop unbeatable products and solutions. Sign up to attend a one-hour session during Oracle OpenWorld. You’ll learn about Oracle’s future design trends -- including mobile applications and social networking -- and how these trends will affect your users down the road. A street scene from Oracle OpenWorld 2011. Oracle’s usability experts will guide you through practical learning sessions on the user experience of various business applications, middleware, and more. All user feedback sessions will be conducted October 1–3 at the InterContinental San Francisco Hotel on Howard Street, just a few steps away from the Moscone Center. To best match you with a user feedback activity, we will ask you about your role at your company. Our user feedback opportunities include focus groups, surveys, and one-on-one sessions with usability engineers. What do you get out of it? Customer and partner participants in the past have been surprised to learn how tuned in Oracle is to work that their applications users do every day. Oracle’s User Experience team members are trained to listen carefully, ask specific questions, interpret your answers, and work with designers to create products and solutions that suit your needs. Our goal is to help make you and your users more productive and efficient. Learn about Oracle’s process, and take advantage of the chance to give your specific feedback to the designers who create the enterprise applications of your future. See for yourself how Oracle collects feedback and measures its designs for turning them into code. Seats are limited for Oracle’s user feedback sessions, so sign up now by sending an e-mail to [email protected] with the subject line: Sign Me Up for an Oracle OpenWorld 2012 UX Session. For more information about customer feedback sessions and what you can learn from them, please visit the Usable Apps website. When: Monday-Wednesday during OpenWorld 2012, Oct. 1-3 Where: The InterContinental San Francisco Hotel How to sign up: RSVP now by sending an email to [email protected] with the subject line “Sign me up for an OOW 2012 UX Session.” Learn more: Visit the Usable Apps website at Get Involved.

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  • Saddling your mountain lion with JDeveloper

    - by Blueberry Coder
    Last October, Apple released Java Update 2012-006. This patch brought the Apple-provided JDK for OS X Lion v10.7 and OS X Mountain Lion v10.8 to version 1.6.0_37. At the same time, it disabled the Apple Java plugins and removed the Java Preferences panel that enabled users to manage the various Java releases on their computer. On the Windows and Linux platforms, JDeveloper 11g R1 has been certified  to run on Java 7 since patch set 5. This is not the case on OS X.   ( The above is not a typo. Apple's OS for personal computer is now known as OS X; the « Mac » prefix has been dropped with the 10.8 release. And it's pronounced « Oh-Ess-Ten », by the way. Yes, I am a nitpicker. I know... ) Please note JDeveloper 11g R2 is not certified either. On any platform. It will generally work, but there are known issues with ADF Mobile. Personally, I would recommend to wait for 12c before going to JDK 7.  Now, suppose you have installed Oracle's JDK 7 on your Mac. JDeveloper will not run on it. It will even not install. Susan and I discovered this the hard way while setting up the ADF Mobile hands-on lab we ran at the UKOUG 2012 conference. The lab was a great success nevertheless, attracting nearly a hundred delegates. It was great to see the interest ADF Mobile already generates, especially among PL/SQL Developers and DBAs. But what did we do to make it work?  While Java Update 2012-006 removed the Java Preferences panel, it leaved in place OS X's command-line Java infrastructure. Thus, it is possible to invoke the Apple JDK 6 to start the JDeveloper installer. Suppose your user is named « Fred », and that the JDeveloper installer is on your desktop. You can execute the following command in a terminal window (on a single line) to start the installer:  /usr/libexec/java_home --version 1.6.0  --exec java -jar /Users/Fred/Desktop/jdevstudio11116install.jar  The JDeveloper installer, being provided a valid JDK reference, will set up the IDE and embedded WebLogic Server instance accordingly. Clever engineering at its finest!

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  • SQL SERVER – Fix: Error: 147 An aggregate may not appear in the WHERE clause unless it is in a subquery contained in a HAVING clause or a select list, and the column being aggregated is an outer reference

    - by pinaldave
    Everybody was beginner once and I always like to get involved in the questions from beginners. There is a big difference between the question from beginner and question from advanced user. I have noticed that if an advanced user gets an error, they usually need just a small hint to resolve the problem. However, when a beginner gets error he sometimes sits on the error for a long time as he/she has no idea about how to solve the problem as well have no idea regarding what is the capability of the product. I recently received a very novice level question. When I received the problem I quickly see how the user was stuck. When I replied him with the solution, he wrote a long email explaining how he was not able to solve the problem. He thanked multiple times in the email. This whole thing inspired me to write this quick blog post. I have modified the user’s question to match the code with AdventureWorks as well simplified so it contains the core content which I wanted to discuss. Problem Statement: Find all the details of SalesOrderHeaders for the latest ShipDate. He comes up with following T-SQL Query: SELECT * FROM [Sales].[SalesOrderHeader] WHERE ShipDate = MAX(ShipDate) GO When he executed above script it gave him following error: Msg 147, Level 15, State 1, Line 3 An aggregate may not appear in the WHERE clause unless it is in a subquery contained in a HAVING clause or a select list, and the column being aggregated is an outer reference. He was not able to resolve this problem, even though the solution was given in the query description itself. Due to lack of experience he came up with another version of above query based on the error message. SELECT * FROM [Sales].[SalesOrderHeader] HAVING ShipDate = MAX(ShipDate) GO When he ran above query it produced another error. Msg 8121, Level 16, State 1, Line 3 Column ‘Sales.SalesOrderHeader.ShipDate’ is invalid in the HAVING clause because it is not contained in either an aggregate function or the GROUP BY clause. What he wanted actually was the SalesOrderHeader all the Sales shipped on the last day. Based on the problem statement what the right solution is as following, which does not generate error. SELECT * FROM [Sales].[SalesOrderHeader] WHERE ShipDate = (SELECT MAX(ShipDate) FROM [Sales].[SalesOrderHeader]) Well, that’s it! Very simple. With SQL Server there are always multiple solution to a single problem. Is there any other solution available to the problem stated? Please share in the comment. Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Error Messages, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology

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  • Is there any officially recognized, specific determinants that make a language programming/scripting?

    - by Dan
    I remember when I was first learning web-based programming everyone was intent on JavaScript not being a "programming language," but rather a scripting language; I have not heard that argument in quite a while now. I hear a lot of languages, like perl for example, referred to at different times as both a scripting and programming language. I know that a scripting language is less capable than a programming language, but where exactly does the line lie? Citation would be appreciated.

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  • Algorithm to map an area [on hold]

    - by user37843
    I want to create a crawler that starts in a room and from that room to move North,East,West and South until there aren't any new rooms to visit. I don't want to have duplicates and the output format per line to be something like this: current room, neighbour 1, neighbour 2 ... and in the end to apply BFS algorithm to find the shortest path between 2 rooms. Can anyone offer me some suggestion what to use? Thanks

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  • Juju bootstrap fails for Windows Azure

    - by tomconte
    I am trying to play with Juju on Windows Azure. I did the configuration part, however the boostrap fails on a network configuration error: 2013-10-29 10:08:49 ERROR juju supercommand.go:282 PUT request failed: BadRequest - XML Schema validation error in network configuration at line 75,18. (http code 400: Bad Request) How can I troubleshoot? Can I find somewhere the XML file to examine it? Thanks! Thomas.

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  • AD FS 2.0: Troubleshooting Event 364 and ThrowExceptionForHRInternal / NullReferenceException

    - by Shawn Cicoria
    Ran into a situation today where after AD FS federation server was installed, configured and up & running, “all of a sudden” it stopped working. Turned out that another installer that affected the default web site, also seemingly affected the AppPools associated to all Applications under the Default Web site. By changing the “Enable 32-bit Applications” either through IIS admin or via command line appcmd set apppool /apppool.name:MyAppPool /enable32BitAppOnWin64:false Back to normal…

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  • HTG Explains: What Can You Find in an Email Header?

    - by Jason Faulkner
    Whenever you receive an email, there is a lot more to it than meets the eye. While you typically only pay attention to the from address, subject line and body of the message, there is lots more information available “under the hood” of each email which can provide you a wealth of additional information. Reader Request: How To Repair Blurry Photos HTG Explains: What Can You Find in an Email Header? The How-To Geek Guide to Getting Started with TrueCrypt

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  • Parallel Port Problem in 12.04

    - by Frank Oberle
    I have a “dumb” printer attached to a parallel port in my machine which works fine under the “other” resident operating system (from Redmond) on the same machine. I recently added Ubuntu 12.04 as a dual boot on the machine, but Ubuntu doesn't seem to recognize the parallel port at all. All I need to set up a printer is a really plain-vanilla fixed pitch text-only generic driver, which is present, but no parallel ports show up. (The other printers, all on USB ports, seem to work just fine). Following what appeared to me to be the most reasonable of the many conflicting pieces of advice on the web, here's what I did: I added the following lines to /etc/modules parport_pc ppdev parport Then, after rebooting, I checked to see that the lines were still present, and they were. I ran dmesg | grep par and got the following references in the output that seemed like they might have to do with the parallel port: [ 14.169511] parport_pc 0000:03:07.0: PCI INT A -> GSI 21 (level, low) -> IRQ 21 [ 14.169516] PCI parallel port detected: 9710:9805, I/O at 0xce00(0xcd00), IRQ 21 [ 14.169577] parport0: PC-style at 0xce00 (0xcd00), irq 21, using FIFO [PCSPP,TRISTATE,COMPAT,ECP] [ 14.354254] lp0: using parport0 (interrupt-driven). [ 14.571358] ppdev: user-space parallel port driver [ 16.588304] type=1400 audit(1347226670.386:5): apparmor="STATUS" operation="profile_load" name="/usr/lib/cups/backend/cups-pdf" pid=964 comm="apparmor_parser" [ 16.588756] type=1400 audit(1347226670.386:6): apparmor="STATUS" operation="profile_load" name="/usr/sbin/cupsd" pid=964 comm="apparmor_parser" [ 16.673679] type=1400 audit(1347226670.470:7): apparmor="STATUS" operation="profile_load" name="/usr/lib/lightdm/lightdm/lightdm-guest-session-wrapper" pid=1010 comm="apparmor_parser" [ 16.675252] type=1400 audit(1347226670.470:8): apparmor="STATUS" operation="profile_load" name="/usr/lib/telepathy/mission-control-5" pid=1014 comm="apparmor_parser" [ 16.675716] type=1400 audit(1347226670.470:9): apparmor="STATUS" operation="profile_load" name="/usr/lib/telepathy/telepathy-*" pid=1014 comm="apparmor_parser" [ 16.676636] type=1400 audit(1347226670.474:10): apparmor="STATUS" operation="profile_replace" name="/usr/lib/cups/backend/cups-pdf" pid=1015 comm="apparmor_parser" [ 16.677124] type=1400 audit(1347226670.474:11): apparmor="STATUS" operation="profile_replace" name="/usr/sbin/cupsd" pid=1015 comm="apparmor_parser" [ 1545.725328] parport0: ppdev0 forgot to release port I have no idea what any of that means, but the line “parport0: ppdev0 forgot to release port ” seems unusual. I was still unable to add a printer for my old clunker, so I tried the direct approach, typing echo “Hello” > /dev/lp0 and received a Permission denied message. I then tried echo “Hello” > /dev/parport0 which didn't give me any message at all, but still didn't print anything. Running the command sudo /usr/lib/cups/backend/parallel gives the following: direct parallel:/dev/lp0 "unknown" "LPT #1" "" "" Checking the permissions for /dev/parport0, Owner, Group, and Other are all set to read and write. crw-rw---- 1 root lp 6, 0 Sep 9 16:37 /dev/lp0 crw-rw-rw- 1 root lp 99, 0 Sep 9 16:37 /dev/parport0 The output of the command lpinfo -v includes the following line: direct parallel:/dev/lp0 I've read several web postings that seem to suggest this has been a problem for several years, but the bug reports were closed because there wasn't enough information to address the issue (shades of Microsoft!). Any suggestions as to what I might be missing here?

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  • Friday Fun: Carveola Incident

    - by Asian Angel
    Has it been a long and boring week at work? Then how about something to liven things up a bit? In this week’s game you receive orders to join a newly formed task force comprised of soldiers from allied and former enemy units at the end of World War 1. Your mission is to investigate strange sightings near a mysterious deserted trench line.HTG Explains: What’s the Difference Between the Windows 7 HomeGroups and XP-style Networking?Internet Explorer 9 Released: Here’s What You Need To KnowHTG Explains: How Does Email Work?

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  • Is there a way to hide text from descriptions in Google

    - by Linda H
    The first line of text on all of our client's product pages is "Download hi-res images", which of course isn't what we'd want in the description when people search for their products. Is there any way to hide this text/link so that Google and the others just ignore it and go on into the text description below? I suppose we could use a meta-description, but the client isn't very good at computers and it's such a small site it seems silly.

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  • SQL Error: ORA-00936: missing expression

    - by user2901548
    Qns: Item Description and the treatment date of all treatments for any patients named Jessie Stange (ie GivenName is Jessie & FamilyName is Stange) What i wrote: SELECT DISTINCT Description, Date as treatmentDate WHERE doothey.Patient P, doothey.Account A, doothey.AccountLine AL, doothey.Item.I AND P.PatientID = A.PatientID AND A.AccountNo = AL.AccountNo AND AL.ItemNo = I.ItemNo AND (p.FamilyName = 'Stange' AND p.GivenName = 'Jessie'); error: Error at Command Line:1 Column:30 Error report: SQL Error: ORA-00936: missing expression 00936. 00000 - "missing expression" *Cause: *Action: What is the missing expression???

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  • Upgrade to 11.10 caused rt2800usb module to be blacklisted

    - by Shevek
    I just upgraded from Kubuntu 11.04 to 11.10, and I noticed that after the upgrade my USB wireless card was no longer recognized. It turns out that the rt2800usb module had been added (automatically, I assume, unless previously the module had been loading despite being blacklisted) to /etc/modprobe.d/blacklist.conf. I re-enabled the wireless card by commenting out the blacklist line and adding rt2800usb to /etc/modules, but I was wondering if there was a reason for rt2800usb being added to the blacklist.

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  • LibreOffice RC1 deb package difficulties

    - by Beachbuddah
    Hi, I seem to be running into some difficulties with the acquisition of the latest libreoffice deb pkg. When I type sudo apt-get update I get E: Malformed line 60 in source list /etc/apt/sources.list (dist) E: The list of sources could not be read. I don't understand of that means that I did something wrong or if there is a problem at tuxfamily. Any help is, as always, greatly appreciated.

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  • can't run this shell script

    - by user2413
    So I'm trying to install this script I do copy the folder in ~/Documents/icambridge-get-shit-done-1222b6b change .bashrc (the one in the user directory, is that the right one?) by adding a line PATH=:~/Documents/icambridge-get-shit-done-1222b6b”${PATH}” set the files in icambridge-get-shit-done-1222b6b as execs using sudo chmod +x type sudo ./get-shit-done and i get: /usr/bin/env: php: No such file or directory What is the problem?

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  • Social media and special characters

    - by John Paul Cook
    I’ve previously blogged about using Unicode with T-SQL to put superscripts, subscripts, and special characters into text strings. Unicode is also useful in formatting social media such as Facebook, Twitter, and that dinosaur otherwise known as email. When you can’t set properties of text such as italicizing the subject line of an email message or adding subscripts to a Facebook post, Unicode can make it possible. There are Unicode characters that are intrinsically italicized. Others are intrinsically...(read more)

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