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  • Accessing Controls Within A Gridview

    - by Bunch
    Sometimes you need to access a control within a GridView, but it isn’t quite as straight forward as just using FindControl to grab the control like you can in a FormView. Since the GridView builds multiple rows the key is to specify the row. In this example there is a GridView with a control for a player’s errors. If the errors is greater than 9 the GridView should display the control (lblErrors) in red so it stands out. Here is the GridView: <asp:GridView ID="gvFielding" runat="server" DataSourceID="sqlFielding" DataKeyNames="PlayerID" AutoGenerateColumns="false" >     <Columns>         <asp:BoundField DataField="PlayerName" HeaderText="Player Name" />         <asp:BoundField DataField="PlayerNumber" HeaderText="Player Number" />         <asp:TemplateField HeaderText="Errors">             <ItemTemplate>                 <asp:Label ID="lblErrors" runat="server" Text='<%# EVAL("Errors") %>'  />             </ItemTemplate>         </asp:TemplateField>     </Columns> </asp:GridView> In the code behind you can add the code to change the label’s ForeColor property to red based on the amount of errors. In this case 10 or more errors triggers the color change. Protected Sub gvFielding_DataBound(ByVal sender As Object, ByVal e As System.EventArgs) Handles gvFielding.DataBound     Dim errorLabel As Label     Dim errors As Integer     Dim i As Integer = 0     For Each row As GridViewRow In gvFielding.Rows         errorLabel = gvFielding.Rows(i).FindControl("lblErrors")         If Not errorLabel.Text = Nothing Then             Integer.TryParse(errorLabel.Text, errors)             If errors > 9 Then                 errorLabel.ForeColor = Drawing.Color.Red             End If         End If         i += 1     Next End Sub The main points in the DataBound sub is use a For Each statement to loop through the rows and to increment the variable i so you loop through every row. That way you check each one and if the value is greater than 9 the label changes to red. The If Not errorLabel.Text = Nothing line is there as a check in case no data comes back at all for Errors. Technorati Tags: GridView,ASP.Net,VB.Net

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  • Changing Word mail merge data source locations in bulk?

    - by Daft Viking
    I've just moved a number of Word mail merge files, and a number of Excel spreadsheets that are the data sources for the mail merges, from a Windows XP computer to a Windows 7 computer, and now all the paths for the merge sources are incorrect (used to be c:\documents and settings\user\my documents.... now c:\users\documents....). While I can correct the path of the data source in each file individually, I was hoping that there would be some way of updating the files in bulk, as there are a relatively large number of them. Word 2007 is what is being used, but the documents are all in the previous DOC format (not DOCX).

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  • Trying to wrap my head around class structure for domain-specific language

    - by svaha
    My work is mostly in embedded systems programming in C, and the proper class structure to pull this off eludes me. Currently we communicate via C# and Visual Basic with a large collection of servos, pumps, and sensors via a USB-to-CAN hid device. Right now, it is quite cumbersome to communicate with the devices. To read the firmware version of controller number 1 you would use: SendCan(Controller,1,ReadFirmwareVersion) or SendCan(8,1,71) This sends three bytes on the CAN bus: (8,1,71) Connected to controllers are various sensors. SendCan(Controller,1,PassThroughCommand,O2Sensor,2,ReadO2) would tell Controller number 1 to pass a command to O2 Sensor number 2 to read O2 by sending the bytes 8,1,200,16,2,0 I would like to develop a domain-specific language for this setup. Instead of commands issued like they are currently, commands would be written like this: Controller1.SendCommand.O2Sensor2.ReadO2 to send the bytes 8,1,200,16,0 What's the best way to do this? Some machines have 20 O2 Sensors, others have 5 controllers, so the numbers and types of controllers and sensors, pumps, etc. aren't static.

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  • RAM Part Numbers - Meaning?

    - by 1Up
    I hope this is the appropriate stackexchange to post this question. EDIT: I'm attempting to replace faulty ram and am trying to understand the meanings of the label to make correct decision. I have a 2gb stick of ram which appears to have gone bad. It is a SAMSUNG Top line: 2GB 1Rx8 PC3-10600U-9-10-A0 The part number: M378B5773CH0-CH9 1051 Doing a number of searches, I end up here: http://www.reusetek.com/samsung-m378b5773ch0-ch9-1110-4gb-2x2gb-1rx8-pc310600u-09-10-a0-ddr3-desktop-memory/ M378B5773CH0-CH9 1110 Notice there is a difference: 1051 OR 1110 What is the meaning of the part number, and the last 4 digits? Is this a significant difference, and one that affects the machine?

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  • What is Paging in memory management?

    - by Fasih Khatib
    I was just reading Operating System Principles by Silberschatz et al when I came across paging in memory management.I'm slightly confused about it. It states that Physical Memory(I assume it's RAM) is divided into frames, and logical memory is divided into pages. CPU generates logical addresses containing page number and an offset. This page number is used to retrieve the frame number from a page table which gives the base address so the physical address is calculated as base+offset. My question is: is the page table maintained for every process? I logically think that the answer would be yes as every process will need to map its own pages to frames. I may be wrong. Please clarify. Also: paging and segmentation(where 'holes' are created in memory) are two totally different techniques that are not used in combination. Correct?

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  • Pending and Approval process

    - by zen
    So let's say I have a DB table with 8 columns, one is a unique auto-incrementing used as ID. So I have a page that pulls in the info for each row based on query string ID. I want to give my users the ability to propose changes. Kinda like a wiki setup. So I was thinking I should just have another duplicate table or maybe database altogether (without the auto-incrementing column and maybe with a date edited column) that keeps all proposed changes in queue and then when I approve them, the script can move the row from the proposed DB to the real DB. Does this sound good or is there a better process for this?

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  • Best practice for administering a (hadoop) cluster

    - by Alex
    Dear all, I've recently been playing with Hadoop. I have a six node cluster up and running - with HDFS, and having run a number of MapRed jobs. So far, so good. However I'm now looking to do this more systematically and with a larger number of nodes. Our base system is Ubuntu and the current setup has been administered using apt (to install the correct java runtime) and ssh/scp (to propagate out the various conf files). This is clearly not scalable over time. Does anyone have any experience of good systems for administering (possibly slightly heterogenous: different disk sizes, different numbers of cpus on each node) hadoop clusters automagically? I would consider diskless boot - but imagine that with a large cluster, getting the cluster up and running might be bottle-necked on the machine serving the OS. Or some form of distributed debian apt to keep the machines native environment synchronised? And how do people successfully manage the conf files over a number of (potentially heterogenous) machines? Thanks very much in advance, Alex

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  • Marking Discussions as Answered

    As a contributor to a number of projects on CodePlex I really like the fact that the discussions feature exists but also I need ways to help me sort the discussions threads so I can make sure no-one is getting forgotten about. Seems like a lot of you agreed as the feature request Provide feature to allow Coordinators to mark Discussions threads as 'Answered' is our number 2 voted feature right now with 178 votes.  Today we rolled out the first iteration of “answer” support to discussions. In this first iteration we wanted to keep it simple and lightweight. The original poster of the thread along with project owners, developers or editors can mark any post to the thread as an answer. You can have any number of answers marked in a thread and it’s very quick to mark or unmark a post as an answer.  We deliberately keep the answers in the originally posted order so that you can see them in context with the discussion thread. When viewing discussions the default view is still to see everything, but you can easily filter by “Unanswered”.  You can even save that as a bookmark so as someone interested in the project can quickly jump to the unanswered discussion threads to go help out on. As I mention, we kept this first pass of the answering feature as simple and as lightweight as possible so that we can get some feedback on it. Head on over to the issue tracking this feature if you have any thoughts once you have used it for a bit or feel free to respond in the comments. I already have a couple of things I think we want to do such as a refresh of the look and feel of discussions in general along, make it easier to navigate to posts that are marked an answered and surface posts that you do that were marked as answered in your profile page - but if you have ideas then please let us know.

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  • Copying Data from another Excel Workbook based on a matching id

    - by Kyle Begeman
    I have 2 workbooks I am working with. One workbook has an id and a category name. The other workbook shows a name and category section that has an id number (but not the actual description). Basically I want to copy the full category text to my current workbook from the old one based on the id number into a new column What kind of formula can I use to check the id number category pair and then copy it into the new workbook in a new column? Any help is great!

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  • Is it a good idea to dynamically position and size controls on a form or statically set them?

    - by CrystalBlue
    I've worked mostly with interface building tools such as xCode's Interface Builder and Visual Studio's environment to place forms and position them on screens. But I'm finding that with my latest project, placing controls on the form through a graphical interface is not going to work. This more has to do with the number of custom controls I have to create that I can't visually see before hand. When I first tackled this, I began to position all of my controls relative to the last ones that I created. Doing this had its own pros and cons. On the one hand, this gave me the opportunity to set one number (a margin for example) and when I changed the margin, the controls all sized correctly to one another (such as shortening controls in the center while keeping controls next to the margin the same). But this started to become a spiders-web of code that I knew wouldn't go very far before getting dangerous. Change one number and everything re sizes, but remove one control and you've created many more errors and size problems for all the other controls. It became more surgery then small changes to controls and layout. Is there a good way or maybe a preferred way to determine when I should be using relative or absolute positioning in forms?

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  • eSTEP TechCast - November 2012

    - by uwes
    Dear partner, we are pleased to announce our next eSTEP TechCast on Thursday 1st of November and would be happy if you could join. Please see below the details for the next TechCast.Date and time:Thursday, 01. November 2012, 11:00 - 12:00 GMT (12:00 - 13:00 CET; 15:00 - 16:00 GST) Title:  Update on Solaris 11 Abstract:Oracle announced an update on Solaris 11 on Oracle OpenWorld. Join us in this call to get a brief summary of the enhancements and how they help to build better solutions for your customers. Target audience: Tech Presales Speaker: Jörg Möllenkamp Call Info:Call-in-toll-free number: 08006948154 (United Kingdom)Call-in-toll-free number: +44-2081181001 (United Kingdom) Show global numbers Conference Code: 803 594 3Security Passcode: 9876Webex Info (Oracle Web Conference) Meeting Number: 599 775 167Meeting Password: tech2011 Playback / Recording / Archive: The webcasts will be recorded and will be available shortly after the event in the eSTEP portal under the Events tab, where you could find also material from already delivered eSTEP TechCasts. Use your email-adress and PIN: eSTEP_2011 to get access. Feel free to have a look. We are happy to get your comments and feedback. Thanks and best regards, Partner HW Enablement EMEA

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  • Facebook contest policy no-no?

    - by Fred
    I would like to post a link on a Facebook page where it will exit Facebook entirely and go to a client's website, where people will be on a page (client's) where they can enter their e-mail address to be entered in a temporary database file with rules and disclosures etc., for a draw once the number of entries reaches 100 for instance. Once the number of entries reaches 100, a random winner is picked and notified via E-mail. The functionality is as follows: A link is place on a Facebook page leading to an external page The page is a form to merely enter their email address for a contest The email is placed in a temporary file An automatic E-mail is sent to the address used for confirmation using SHAH-256 hash The person receives the Email saying something to the affect "Please confirm your Email address etc. - If you did not authorize this, simply ignore this message and no further action will be taken". If the person clicks on the confirmation link, the Email is then stored in the database and the person is again notified saying "Thank you for signing up etc." Once others do the same process and the database reaches a certain number, the form is no longer accessible and automatically picks a random Email. Once picked, an Email is automatically sent to the winner stating the instructions, and notifying me also. Once that person clicks yet another confirmation link, the database is then automatically deleted. I have built this myself and have no intentions of breaking any rules, nor jeopardize the work/time/energy I have put into this project. Is this allowed?

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  • How to load chunks of 2d map segments when player reaches a certain point?

    - by 2kan
    In my 2d platformer (made with Java and Slick2d), random maps are made by combining different segments together and displaying them one after the other. My problem is that I can't load too many segments or the game will run out of memory, so I want to load n number of segments at a time in chunks, then load the next chunk when the player comes near the end of one. I've attempted to do this for a couple of hours now, but I just can't get it to work at all. This is my chunk generation function where chunkLoad is the number of segments to load and BLOCK_WIDTH is the number of blocks/tiles each segment is across. Chunk1 and map are arrays of segments. Random r = new Random(); for(int i=0; i<chunkLoad; i++) { int id = r.nextInt(4)+2; chunk1[i] = new BlockMap("res/window/map"+id+".tmx", i*BLOCK_WIDTH); } map = chunk1; chunksLoaded++; The map is then drawn on the screen like this. tmap is a TiledMap object and each block/tile is 16 pixels wide for(int i=0; i<chunkLoad; i++) { map[i].tmap.render((i * BLOCK_WIDTH * 16) + (cameraX), 0); } I can successfully load new chunks, but I can't display them in the correct position, nor the hitboxes. Any suggestions? Thanks.

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  • Recent EC Meetings - RIM forfeits EC seat

    - by heathervc
    Materials and minutes from the JCP EC Face-to-Face Meeting, held September 2012 in Prague, are now available on the EC Meeting Summaries page.  Topics included JCP.Next, a JCP 2.8 progress report, Inactive JSRs, and two Spec Lead presentations. In October 2011, new EC Standing Rules went into effect. The Rules include the following: "Missing five meetings in a row, or missing more than two-thirds of all meetings in any consecutive twelve-month period, results in loss of EC membership."  Last week, the JCP EC met for their October EC teleconference meeting.  RIM missed this meeting, and has now missed five meetings in a row (see the attendance chart); therefore, RIM has forfeited their EC membership. Results from the 2012 EC Elections will be available on 30 October.  The new merged EC will go into effect on 12 November.

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  • Server Sizing Methodology

    - by adbrpc
    Our development environment consist of JBoss 5.0.1 DB Server, SQL Server 2008, Oracle IDM. Hardware is Win 2008 32 bit, 4GB RAM. We have reached stage where our environment can not handle application resulting in JBoss shut down throwing out of memory errors and CPU reaching to 90% usage. I am looking methodology to calculate correct server sizing where I input TPS, max number of concurrent users, max CPU utilization etc.. to give me number of servers, RAM size, number of cores. I am expecting application to grow 10% annually. Load Balancer and Failover should also be taken in account while sizing.

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  • JCP 2.9 and Transparency Call for Spec Leads 9 November

    - by heathervc
    JCP Spec Leads are invited to participate in an online meeting/call this Friday, 9 November, to hear a talk about the the 2.9 version of the Java Community Process (effective date of 13 November) and discuss the changes with representatives of the Program Management Office.  This call will be recorded and published with materials for those not able to attend.  Details of the call are included below.JCP 2.9 is presented in two documents:The JCP 2.9 document:http://www.jcp.org/en/procedures/jcp2and the EC Standing Rules document:http://www.jcp.org/en/procedures/ec_standing_rulesIn addition, we will be reviewing ways to collect community feedback on the transparency requirements for JCP 2.7 and above JSRs (JCP 2.8, JCP 2.9), detailed as part of the Spec Lead Guide.Call details:Topic: JCP 2.9 and Transparency Date: Friday, November 9, 2012 Time: 9:00 am, Pacific Standard Time (San Francisco, GMT-08:00) Meeting Number: 800 623 574 Meeting Password: 5282 ------------------------------------------------------- To start or join the online meeting ------------------------------------------------------- Go to https://jcp.webex.com/jcp/j.php?ED=188925347&UID=491098062&PW=NMDZiYTQzZmE1&RT=MiM0 ------------------------------------------------------- Audio conference information ------------------------------------------------------- Toll-Free Dial-In Number:     866 682-4770 International (Toll) Dial-In Number:     408 774-4073 Conference code 9454597 Security code 1020 Outside the US: global access numbers   https://www.intercallonline.com/portlets/scheduling/viewNumbers/listNumbersByCode.do?confCode=6279803

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  • Algorithm for determining grid based on variably sized "blocks"?

    - by Lite Byte
    I'm trying to convert a set of "blocks" in to a grid-like layout. The blocks have a width of either 25%, 33%, 50%, 66%, or 75% of their container and each row of the grid should try to fit as many blocks as possible, up to a total width of 100%. I've discovered that trying to do this while leaving no remaining blocks in the original set is very hard. Eventually, I think my solution will be to upgrade/downgrade various block sizes (based on their priority or something) so they all fit in to a row. Either case, before I do that, I thought I'd check if someone has some code (or a paper) demonstrating a solution to this problem already? And bonus points if the solution incorporates varying block heights in to its calculations :) Thanks!

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  • I need a decent alternative to c++ [closed]

    - by wxiiir
    I've learned php and c++, i will list the things i liked and didn't liked on each of them, how i decided to learn them in the first place and why i feel the need to learn a decent alternative to c++, i'm not a professional programmer and only do projects for myself. PHP - Decided to learn because i wanted to build a dynamic website, that i did and turned out very good, i even coded a 'not so basic' search engine for it that would display the results 'google style' and really fast, pretty cool stuff. PROS - Pretty consistent syntax for all stuff (minor caveats), great functionality, a joy for me to code in it (it seems to 'know' what i want it to do and just does it) CONS - Painfully slow for number crunching (which takes me to c++ that i only learned because i wanted to do some number crunching and it had to be screaming fast) C++ - Learned because number crunching was so slow in php and manipulating large amounts of data was very difficult, i thought, it's popular programming language and all, and tests show that it's fast, the basic stuff resemble php so it shouldn't be hard to pick up PROS - It can be used to virtually anything, very very fast CONS - Although fun to code at the start, if i need to do something out of the ordinary, memory allocation routines, pointer stuff, stack sizes etc... will get me tired really quick, syntax is a bit inconsistent some times (more caveats) I guess that from what i wrote you guys will understand what i'm looking for, there are thousands of languages out there, it's likely that one of them will suit my needs, i've been seeing stuff today and a friend of mine that is a professional programmer tried OCaml and Fortran and said that both are fast for numerical stuff, i've been inclined to test Fortran, but i need some more input because i want to have some other good 'candidates' to choose from, for example the python syntax seemed great to me, but then i found out from some tests that it was a lot slower than c++ and i simply don't want to twiddle my thumbs all day.

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  • How does Google store search trends in backend?

    - by Achshar
    Google trends shows what query has been searched how many times and some other properties of the said query. But how is this data stored in a database? Storing a new row for every search does not seem right. They also tell the query on a time graph, so they must have some way to look for individual searches made by users, but the number of queries they get every day, it does not feel right that they would store every search in a database row along with a time-stamp. This does not apply to just Google trends or Google in general but any other big site that gets awful number of queries and then has tools to see them in depth. I am not an expert on this but I am interested to know some high level structure of how things work behind the scenes.

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  • using ubuntu command line to replace text in huge file

    - by user299331
    hi i have a huge xml file that i must work with. right now the file is only 1 line that contains about 2 million characters which represent 30,000 records. there are no carriage returns or linefeeds whatsoever. what i need to do is make each record on its own line. new records begin with "" and end with "". i've been looking around here and it seems the tools to use are: sed, tr or awk but i'm not sure which is most appropriate. i've tried this to no avail: tr '<ROW' '\012 <ROW' <source.xml |tee destination.xml above seems to output some pretty weird stuff so i must be way off here. maybe its that "<" character that is the problem?

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  • How to prevent Excel rounding numbers or adding redundant 0's?

    - by Highly Irregular
    I have a column of numbers that appear like this: but the actual value of the shown cell is 20130.153334 Other values have a different number of decimal places. I don't want to add redundant 0's, so I can't just specify a particular number of decimal places to display. I really just want to treat the values as text. I have already changed the format of the cell to Text, as the description for Text is: "Text format cells are treated as text even when a number is in the cell. The cell is displayed exactly as entered.". However, it clearly isn't being displayed exactly as entered! Strangely, if I hit F2 on the cell to go into edit mode, then hit enter, it is then displayed correctly. I can't do this manually for 2000+ records though! How can I prevent the numbers being rounded?

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  • Limiting the speed of a dragged sprite in Cocos2dx

    - by Frozsht
    I am trying to drag a row of sprites using ccTouchesMoved. By that I mean that there is a row of sprites (they are colored squares) lined up next to each other and if I grab one with a touch the rest follow it. However, if the sprite that is selected by touch moves too fast it creates a slight gap between it and the following sprites. How do I go about limiting the speed that I can drag the sprite with ccTouchesMoved? This is the only solution I could think of to my problem. If anyone has another suggestion to prevent this sprite gap from happening I would appreciate it.

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  • using "IS" is better or checking for "NOT NULL"

    - by BDotA
    In C#.NET language: This style of coding is recommended or the one below it? if (sheet.Models.Data is GroupDataModel) { GroupDataModel gdm = (GroupDataModel)sheet.Models.Data; Group group = gdm.GetGroup(sheet.ActiveCell.Row.Index); if (group!=null && controller != null) { controller.CheckApplicationState(); } } or this one: var gdm = sheet.Models.Data as GroupDataModel; if (gdm != null) { Group group = gdm.GetGroup(sheet.ActiveCell.Row.Index); if (@group!=null && controller != null) { controller.CheckApplicationState(); } }

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  • Store scores for players and produce a high score list

    - by zrvan
    This question is derived from an interview question that I got for a job I was declined. I have asked for code review for my solution at the dedicated Stack Exchange site. But I hope this question is sufficiently rephrased and asked with a different motivation not to be a duplicate of the other question. Consider the following scenario: You should store player scores in the server back end of a game. The server is written in Java. Every score should be registered, that is, one player may have any number of scores for any number of levels. A high score list should be produced with the fifteen top scores for a given level, but only one score per user (to the effect that even if player X has the two highest scores for level Y, only the first position is counted and player Z has the second place). No information should be persisted and only Java 1.7+ standard libraries should be used. No third party libraries or frameworks are acceptable. With the number of players as the primary factor, what would be the best data structure in terms of scalability and concurrency? How would you access the structure to register a single score given a level and a player id? How would you access the structure to compile the high score list?

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  • gnome-panel has multiple rows -- how to undo that?

    - by towi
    On Ubuntu 12.04 I use openbox with a single "gnome-panel" started. But after trying to configure my two screen in Xinerama mode I got additional rows of panels each time X restarted. And despite I completely reverted to my one-screen-X-config the gnome-panel displayed has 4 rows (4 at top sreen, 4 at bottom) only the outermost row has content, the other 3 are empty there is only one gnome-panel process running some widgets appear 4 times, too, although they run only once when I switch away from openbox using unity I am back to 1 row temporarily What went wrong here? How do I undo that? Things that did not help: rm -Rf .gnome2 .gconf/ .compiz-1/ pkill panel, and restarting it

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