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  • Open Terminal with multiple tabs and execute application

    - by user172001
    I am new to linux shell scripting. I want to write a shell script which will open terminal with multiple tabs; it should run rtsp client app in each tab. For this, I have gone through question here in this forum and tried to code like bellow, tab="--tab-with-profile=Default -e " cmd="java RunRTSPClient" for i in 1 2 3 4 5 do # foo="$foo $tab $cmd" done gnome-terminal $foo exit 0 This is running and opens the terminal window with tabs but suddenly it will close. I am not getting any errors.

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  • Ctrl-Alt-T doesn't open terminal

    - by user204591
    I'm using Ubuntu 13.10 and I've been using for a while now as ran it from a daily build about a month ago. It's fully updated with updates, upgrades an dist-upgrades and it was working up until very recently. Not sure exactly when I last issued a Ctrl+Alt+T as I quite often just leave it running however it will have been certainly in the last week. Basically when I hit that key combo I do not get a terminal. I know that each of the keys function as I can Atl+Tab through open applications and I can Ctrl+C to copy and past Ctrl+V to paste and I've typed plenty here that has a "T" in it. I have checked Keyboard Layout in Settings and the correct combo is assigned to the terminal. You'll have to take my word for that as I'm not allowed to post my screenshot!!!!!

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  • Should I fork for a major re-write that uses a small amount of the original code?

    - by It'sNotALie.
    I'm writing a library. It's a completely rewritten version of another one, to suit my needs (PCL compatibility, mainly). However, the API will be completely rewritten, as I'll need to change a lot of stuff around for PCL compliance. Also, as it is a rewrite, I won't be able to just start from the library and just change it bit by bit, as I typically see with forks. I tried that, but it just didn't work. So what should I do? Should I fork here or should I make a new library?

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  • LibreOffice can't open a spreadsheet

    - by dn.usenet
    I have been editing my-file.ods almost daily using LibreOffice. Today it hanged at one point. I had to reboot the laptop. Now the file cannot be edited. When it is opened for editing, a warning is issues: Document file is locked for editing by unknown user. If I open the file for editing despite the stated hiccup and edit it and then try to save it, I am prompted to save it under another name. But I don't want to change the name.

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  • .net- open excel file, format the file and save

    - by Lock
    I have an ASP web service that uses the Crystal Reports API to download an Excel report. Now, there is a few things I do not like about the Excel report that Crystal generates: - The column widths are static (as in they are not adjusted for the content). - I can't format the header row to be bold - If I suppress a data column in the report, it comes out in the Excel spreadsheet as a blank column. I currently use PHP to open the excel file, autosize the columns, bold the heading and remove blank columns, although using the PHPExcel class for this doesn't work well when the spreadsheet is only a few 100kb in size. I am thinking if I move this activity into the .NET web service, the performance will be much better. Does anyone know an efficient way of opening a Excel file and performing the operations listed above?

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  • Ubuntu 12.04 Hangs with Software Center open then opening Dash Home

    - by Josea
    I have a Dell D610 - Intel graphics - 1 Gig RAM. I have test the hard drive and RAM and both are fine. When I open Software Center, then Dash home my system locks up. The mouse cursor moves but is unresponsive if I try to right or left click anything. The keyboard is totally unresponsive and I have to hold the power button to power off! I have reinstalled from CD, did all updates but the issue persists. I tried using the track pad only, and I plugged in an external mouse also but no change. Everything else works great ! I am sick of running Vista and have no love for Metro! Thanks for any suggestions, on a scale of 1 to 10 (Newbie - Expert) I am about 3

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  • Are there any inline code validation libraries available for something similar to TryRuby.org or CodeSchool.com? [closed]

    - by Forkrul Assail
    Recently a lot of browser-based training sites have been spawned. These include tryruby.org, codeacademy.org, codeschool.org and the Udacity site uses something seemingly similar. They allow the user to type code in say Ruby or Python, this is then sent to the server and the output posted back to the browser. Are there libraries available for in-browser code validation? How would you approach this? Suggestions?

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  • Microsoft DevDays 2010 Day #3 with Open XML

    I've been running at a fast pace for the past few days, so I'm going to add a few posts here to catch up. Day 3 of the DevDays event in the Netherlands was a success. I delivered a session on "Open XML Solution Building With Word and Excel Services". Huge thanks to Zeyad Rajabi for pulling together some of the server-side demos I showed. Among the 10 or so demos I showed I showed people how to connect to a datasource and start pumping data into a document. For example, what about connecting to a...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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  • Can't open display: :0

    - by empec
    I'm trying to get Nexus Mod Manager (Beta yet) working on wine, but after the configuration of NMM it crashes with an error. During the startup it spams alot of terminal stuff and at the end I find this error. ###!!! ABORT: Main-thread-only object used off the main thread: file /build/wine-mozilla-1.8/xpcom/base/nsCycleCollector.cpp, line 1166 ###!!! ABORT: Main-thread-only object used off the main thread: file /build/wine-mozilla-1.8/xpcom/base/nsCycleCollector.cpp, line 1166 Maximum number of clients reachederr:winediag:x11drv_init_thread_data x11drv: Can't open display: :0. Please ensure that your X server is running and that $DISPLAY is set correctly. Any suggestions? Thanks!

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  • can't open youtube or vimeo

    - by wrt
    I can't open Youtube.com on computer with lubuntu and mint. I see that my flash works properly on other sites. Problem is in for example on youtube (yming.com loading without endless) and vimeo. I tried to use firefox and chromium. I thought that it would be problem with dns (I have dns from DHCP - opendns) so I changed to google dns but it didn't help to solve problem. When I use text browser - Links these site are opening well in text mode. I think that the problem is with flash or java. On other computer with windows connected to the same network these sites are being opened without problem. I am on the point that I don't know what to do next, because I tried to install and uninstall flash several times. I tried Flash-Aid as well.

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  • Should I use the ATI proprietary or free drivers with two Crossfire HD5850s?

    - by Dekel
    I own 2 XFX Radeon HD 5850 in crossfire configuration connected to 3 24" monitors. I really want to make Ubuntu my daily OS but can't seem to find the best configuration to use. Some threads say that the free driver is better then the ATI one and some say the new Catalyst fully takes advantage of the card capabilities. Anyone out there with a similar setup? What are your recommendations for a good production in 12.04 setup?

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  • The underlying provider failed on Open

    - by aghausman12
    The underlying provider failed on Open is an entity framework error and with a simple fix it is little difficult to sort out what is going wrong. 1) if you are using IIS 7 with Integrated Security in connection string. Make sure your IIS user have appropriate permissions to access database. 2) If you are using Visual Studio built in Web Server and facing this issue. Simple fix is to either re-start Visual Studio or Kill the process of Web Server which is (WebDev.WebServer*.exe). I was in the second...(read more)

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  • Couldnt find a way to open blender software

    - by sapphirebox001
    I am new to Ubuntu. I downloaded the latest version of Blender (2.70a) from official blender.org site as an tar.bz2 file. My Ubuntu OS is 14.04 LTS amd64 bit os, and I am sure that I have downloaded the correct version of blender. I have read that for security reasons, Ubuntu does not allow executing exe files. Since the downloaded package contains blender as an executable/x-executable type, it is not able to execute. I do not have an internet connection in that computer too. Also the "Allow executing file as program" checkbox is checked by default. Still double clicking it does not execute the file. Can anyone say how to open this file? P.S: Wine also checked but requires active internet connection, which I dont have.

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  • Is this a typo in the Artistic License 2.0?

    - by IQAndreas
    I'm not sure if this would fit better in StackExchange/English, but regardless, there is no practical use to the answer, other than to cure my curiosity. Note this sentence at the end of the Artistic License 2.0: THE PACKAGE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS "AS IS' AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES. It does not affect any legal aspects of the license, but is there a reason they mixed the use of single and double quotes on AS IS? The license is so new that this wouldn't have been for "command prompt friendly" reasons. Is there special use or meaning behind this in the English language, or was it a typo?

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  • xset: unable to open display

    - by user287878
    for the longest time after about 5 minutes my screen would blank out. Now the screen will go blank after 5 minutes but then 2 seconds after that it will light up white and keep the laptop backlighting on. I didnt change any settings to my knowledge it just happened randomly after powering it on one day and has occurred since then. I wish to resort back to blanking the screen out completely since i leave this computer on all the time and its hard to sleep with a huge white light all the time. "xset dpms force off" just yeilds me ---- xset: unable to open display ""

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  • Ubuntu 11.10 boot: xhost: unable to open display

    - by paulus_almighty
    I've had this papercut for a while now, it's time it was fixed. When I boot up Ubuntu, choosing "Ubuntu...generic" from the grub screen, Ubuntu fails to load. It just sits at the driver/module loading screen. What seems to be the most significant line in this output is "xhost: unable to open display" If I choose "Ubuntu...(recovery mode)" from grub then it loads OK. I don't get why this is. Out of interest I tried enabling boot error logging with #/etc/default/bootlogd BOOTLOGD_ENABLE=Yes but I'm not seeing anything in that file. ETA: I've had this problem since fresh install of 11.10. Here's lshw: $ sudo lshw -C display *-display description: VGA compatible controller product: GF104 [GeForce GTX 460] vendor: nVidia Corporation physical id: 0 bus info: pci@0000:03:00.0 version: a1 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress vga_controller bus_master cap_list rom configuration: driver=nvidia latency=0 resources: irq:16 memory:f6000000-f7ffffff memory:e0000000-e7ffffff memory:ec000000-efffffff ioport:bf00(size=128) memory:e8000000-e807ffff

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  • How do you deal with monotony of certain tasks? [on hold]

    - by aaronmallen
    I love programming methods, and functions. The if {}, while {}, etc... logic behind them is so much fun. I also love making commits, merging branches, solving merge conflicts. Unfortunately these activities usually require that I create classes which I find tedious and monotonous. The simple action of defining properties, is getting in the way of me writing the logic on what to do with those properties. I can't be alone here there has to be a part of coding for everyone that they dread or at least severely dislike doing compared to other parts of coding. How do you deal with the code based tasks that you find tedious?

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  • input type file alternative and file upload best practice

    - by Ioxp
    Background: I am working on a file upload page that will extend an existing web portal. This page will allow for an end user to upload files from there local computer to our network (the files will not be stored on the web server, rather a remote workstation). The end user will have the ability to view the data that they have submitted by hyper-linking the files that have been uploaded on this page. Question 1: Is there an ASP.net alternative to the <input type="file" runat="server" /> HTML tag? The reason for asking is i would rather use an image button and display the file as an asp label on the portal to keep with a consistent style. Question 2: So i understand that giving the end user the ability to upload files to the server and then turn around to show them the data that they posted poses a security threat. So far i am using the id.PostedFile.ContentType and the file extension to reject the data if its not an accepted format (i.e. "text/plain", "application/pdf", "application/vnd.ms-excel", or "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"). Also the location where the files are uploaded to has a sufficient amount of virus and malware protection and this is not a concern. What, from the C# point of view, additional steps should i take to ensure that the end user cant take advantage and compromise the system in regards to allowing them to upload files?

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  • Conditional alternative table row styles in HTML5

    - by Budda
    Is there any changes regarding this questions Conditional alternative table row styles since HTML5 came in? Here is a copy of original question: Is it possible to style alternate table rows without defining classes on alternate tags? With the following table, can CSS define alternate row styles WITHOUT having to give the alternate rows the class "row1/row2"? row1 can be default, so row2 is the issue. <style> .altTable td { } .altTable .row2 td { background-color: #EEE; } </style> <table class="altTable"> <thead><tr><td></td></tr></thead> <tbody> <tr><td></td></tr> <tr class="row2"><td></td></tr> <tr><td></td></tr> <tr class="row2"><td></td></tr> </tbody> </table> Thanks a lot!

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  • Delphi: Alternative to using Assign/ReadLn for text file reading

    - by Ian Boyd
    i want to process a text file line by line. In the olden days i loaded the file into a StringList: slFile := TStringList.Create(); slFile.LoadFromFile(filename); for i := 0 to slFile.Count-1 do begin oneLine := slFile.Strings[i]; //process the line end; Problem with that is once the file gets to be a few hundred megabytes, i have to allocate a huge chunk of memory; when really i only need enough memory to hold one line at a time. (Plus, you can't really indicate progress when you the system is locked up loading the file in step 1). The i tried using the native, and recommended, file I/O routines provided by Delphi: var f: TextFile; begin Assign(filename, f); while ReadLn(f, oneLine) do begin //process the line end; Problem withAssign is that there is no option to read the file without locking (i.e. fmShareDenyNone). The former stringlist example doesn't support no-lock either, unless you change it to LoadFromStream: slFile := TStringList.Create; stream := TFileStream.Create(filename, fmOpenRead or fmShareDenyNone); slFile.LoadFromStream(stream); stream.Free; for i := 0 to slFile.Count-1 do begin oneLine := slFile.Strings[i]; //process the line end; So now even though i've gained no locks being held, i'm back to loading the entire file into memory. Is there some alternative to Assign/ReadLn, where i can read a file line-by-line, without taking a sharing lock? i'd rather not get directly into Win32 CreateFile/ReadFile, and having to deal with allocating buffers and detecting CR, LF, CRLF's. i thought about memory mapped files, but there's the difficulty if the entire file doesn't fit (map) into virtual memory, and having to maps views (pieces) of the file at a time. Starts to get ugly. i just want Assign with fmShareDenyNone!

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  • Alternative native api for Process.Start

    - by Akash Kava
    Ok this is not duplicate of "http://stackoverflow.com/questions/2065592/alternative-to-process-start" because my question is something different here. I need to run a process and wait till execution of process and get the output of console. There is way to set RedirectStandardOutput and RedirectStandardError to true, however this does not function well on some machines, (where .NET SDK is not installed), only .NET runtime is installed, now it works on some machines and doesnt work on some machines so we dont know where is the problem. I have following code, ProcessStartInfo info = new ProcessStartInfo("myapp.exe", cmd); info.CreateNoWindow = true; info.UseShellExecute = false; info.RedirectStandardError = true; info.RedirectStandardOutput = true; Process p = Process.Start(info); p.WaitForExit(); Trace.WriteLine(p.StandardOutput.ReadToEnd()); Trace.WriteLine(p.StandardError.ReadToEnd()); On some machines, this will hang forever on p.WaitForExit(), and one some machine it works correctly, the behaviour is so random and there is no clue. Now if I can get a real good workaround for this using pinvoke, I will be very happy.

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  • sql 2008 sqldmo alternative

    - by alexdelpiero
    Hi! I previously was using sqldmo to automatically generate scripts from the databse. Now I upgraded to sql server 2008 and I don’t want to use this feature anymore since Microsoft will be dropping this feature off. Is there any other alternative I can use to connect to a server and generate scripts automatically from a database? Any answer is welcome. Thanks in advance. This is the procedure i was previously using: CREATE PROC GenerateSP ( @server varchar(30) = null, @uname varchar(30) = null, @pwd varchar(30) = null, @dbname varchar(30) = null, @filename varchar(200) = 'c:\script.sql' ) AS DECLARE @object int DECLARE @hr int DECLARE @return varchar(200) DECLARE @exec_str varchar(2000) DECLARE @spname sysname SET NOCOUNT ON -- Sets the server to the local server IF @server is NULL SELECT @server = @@servername -- Sets the database to the current database IF @dbname is NULL SELECT @dbname = db_name() -- Sets the username to the current user name IF @uname is NULL SELECT @uname = SYSTEM_USER -- Create an object that points to the SQL Server EXEC @hr = sp_OACreate 'SQLDMO.SQLServer', @object OUT IF @hr < 0 BEGIN PRINT 'error create SQLOLE.SQLServer' RETURN END -- Connect to the SQL Server IF @pwd is NULL BEGIN EXEC @hr = sp_OAMethod @object, 'Connect', NULL, @server, @uname IF @hr < 0 BEGIN PRINT 'error Connect' RETURN END END ELSE BEGIN EXEC @hr = sp_OAMethod @object, 'Connect', NULL, @server, @uname, @pwd IF @hr < 0 BEGIN PRINT 'error Connect' RETURN END END --Verify the connection EXEC @hr = sp_OAMethod @object, 'VerifyConnection', @return OUT IF @hr < 0 BEGIN PRINT 'error VerifyConnection' RETURN END SET @exec_str = 'DECLARE script_cursor CURSOR FOR SELECT name FROM ' + @dbname + '..sysobjects WHERE type = ''P'' ORDER BY Name' EXEC (@exec_str) OPEN script_cursor FETCH NEXT FROM script_cursor INTO @spname WHILE (@@fetch_status < -1) BEGIN SET @exec_str = 'Databases("'+ @dbname +'").StoredProcedures("'+RTRIM(UPPER(@spname))+'").Script(74077,"'+ @filename +'")' EXEC @hr = sp_OAMethod @object, @exec_str, @return OUT IF @hr < 0 BEGIN PRINT 'error Script' RETURN END FETCH NEXT FROM script_cursor INTO @spname END CLOSE script_cursor DEALLOCATE script_cursor -- Destroy the object EXEC @hr = sp_OADestroy @object IF @hr < 0 BEGIN PRINT 'error destroy object' RETURN END GO

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  • SQL Server 2008 alternative for SQL-DMO

    - by alexdelpiero
    Hi! I previously was using SQL-DMO to automatically generate scripts from the database. Now I upgraded to SQL Server 2008 and I don’t want to use this feature anymore since Microsoft will be dropping this feature off. Is there any other alternative I can use to connect to a server and generate scripts automatically from a database? Any answer is welcome. Thanks in advance. This is the procedure i was previously using: CREATE PROC GenerateSP ( @server varchar(30) = null, @uname varchar(30) = null, @pwd varchar(30) = null, @dbname varchar(30) = null, @filename varchar(200) = 'c:\script.sql' ) AS DECLARE @object int DECLARE @hr int DECLARE @return varchar(200) DECLARE @exec_str varchar(2000) DECLARE @spname sysname SET NOCOUNT ON -- Sets the server to the local server IF @server is NULL SELECT @server = @@servername -- Sets the database to the current database IF @dbname is NULL SELECT @dbname = db_name() -- Sets the username to the current user name IF @uname is NULL SELECT @uname = SYSTEM_USER -- Create an object that points to the SQL Server EXEC @hr = sp_OACreate 'SQLDMO.SQLServer', @object OUT IF @hr <> 0 BEGIN PRINT 'error create SQLOLE.SQLServer' RETURN END -- Connect to the SQL Server IF @pwd is NULL BEGIN EXEC @hr = sp_OAMethod @object, 'Connect', NULL, @server, @uname IF @hr <> 0 BEGIN PRINT 'error Connect' RETURN END END ELSE BEGIN EXEC @hr = sp_OAMethod @object, 'Connect', NULL, @server, @uname, @pwd IF @hr <> 0 BEGIN PRINT 'error Connect' RETURN END END --Verify the connection EXEC @hr = sp_OAMethod @object, 'VerifyConnection', @return OUT IF @hr <> 0 BEGIN PRINT 'error VerifyConnection' RETURN END SET @exec_str = 'DECLARE script_cursor CURSOR FOR SELECT name FROM ' + @dbname + '..sysobjects WHERE type = ''P'' ORDER BY Name' EXEC (@exec_str) OPEN script_cursor FETCH NEXT FROM script_cursor INTO @spname WHILE (@@fetch_status <> -1) BEGIN SET @exec_str = 'Databases("'+ @dbname +'").StoredProcedures("'+RTRIM(UPPER(@spname))+'").Script(74077,"'+ @filename +'")' EXEC @hr = sp_OAMethod @object, @exec_str, @return OUT IF @hr <> 0 BEGIN PRINT 'error Script' RETURN END FETCH NEXT FROM script_cursor INTO @spname END CLOSE script_cursor DEALLOCATE script_cursor -- Destroy the object EXEC @hr = sp_OADestroy @object IF @hr <> 0 BEGIN PRINT 'error destroy object' RETURN END GO

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  • Alternative Control Structures

    - by Brock Woolf
    I've been wondering about alternative ways to write control structures. One that you learn early on for if statements is a replacement for this: if ( x ) { // true } else { // false } with this (sometimes this is more readable compared to lots of brackets): x ? true : false It got me thinking. Can we replace anything else incase it's more readable. We of course replace if statements like this: if (a < b) { return true; } else { return false; } with things like this: return a < b; We can save a long if with something like this (pretty much same as the one above): bool xCollisionTrue = (object.xPos < aabb.maxX && object.xPos > aabb.minX); So those are the ones I can think of off the top of my head for the if statement and doing comparisons. So I'm wondering what about looping constructs, for, while, etc. Maybe the code obfuscators might have some ideas.

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  • BindingFlags.DeclaredOnly alternative to avoid ambiguous properties of derived classes

    - by JoeBilly
    I'am looking for a solution to access 'flatten' (lowest) properties values of a class and its derived via reflection by property names. ie access either Property1 or Property2 from the ClassB or ClassC type : public class ClassA { public virtual object Property1 { get; set; } public object Property2 { get; set; } } public class ClassB : ClassA { public override object Property1 { get; set; } } public class ClassC : ClassB { } Using simple reflection works until you have virtual properties that are overrired (ie Property1 from ClassB). Then you get a AmbiguousMatchException because the searcher don't know if you want the property of the main class or the derived. Using BindingFlags.DeclaredOnly avoid the AmbiguousMatchException but unoverrided virtual properties or derived classes properties are ommited (ie Property2 from ClassB). Is there an alternative to this poor workaround : // Get the main class property with the specified propertyName PropertyInfo propertyInfo = _type.GetProperty(propertyName, BindingFlags.DeclaredOnly | BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static); // If not found, get the property wherever it is if (propertyInfo == null) propertyInfo = _type.GetProperty(propertyName); Furthermore, this workaround not resolve the reflection of 2nd level properties : getting Property1 from ClassC and AmbiguousMatchException is back. My thoughts : I have no choice except loop... Erk... ?? I'am open to Emit, Lambda (is the Expression.Call can handle this?) even DLR solution. Thanks !

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