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• Need a jQuery Lightbox plugin that supports $.live() and grouping

  - by Throlkim

  I'm bringing in all of my images via Ajax, and I'm looking for a quick fix for the front-end of this project. I've tried a couple of jQuery lightbox plugins, but I can't seem to get them to perform in a live function (correct me if I'm wrong in thinking I need to do this). Currently attempting to use Balupton's Lightbox Plugin (can't link because of my being a new user), and after trying all of the examples to no avail, I've attempted it with this (also not working): $('a.lightbox-gallery').live('click', function(){ $(this).lightbox(); }); Any help is much appreciated!

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• LINQ how to concatenate 2 db columns to display in dropdownlist

  - by Simke Nys

  I'm trying to concatenate product_name with product_prize_kg by using LINQ so I can display it as one field in a dropdownlist. When I try to do this I get the following error. value of type 'system.collections.generic.list(of anonymous type )' cannot be converted to ... My code is like this: Public Function selectAll() As List(Of tblProduct) Dim result = From product In dc.tblProducts Select New With { Key .productID = product.pk_product_id, Key .productNameKg = Convert.ToString(product.product_name) & " " & Convert.ToString(product.product_price_kg) } Return result.ToList() End Function This is the dropdownlist that I want to fill. <asp:DropDownList ID="DropDownList1" runat="server" DataSourceID="ObjectDataSource1" DataTextField="productNameKg" DataValueField="productID"> </asp:DropDownList> Thanks Grtz Simke

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• django app organization

  - by iHeartDucks

  I have been reading some django tutorial and it seems like all the view functions have to go in a file called "views.py" and all the models go in "models.py". I fear that I might end up with a lot of view functions in my view.py file and the same is the case with models.py. Is my understanding of django apps correct? Django apps lets us separate common functionality into different apps and keep the file size of views and models to a minimum? For example: My project can contain an app for recipes (create, update, view, and search) and a friend app, the comments app, and so on. Can I still move some of my view functions to a different file? So I only have the CRUD in one single file?

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• while creating archetype getting following error

  - by munna

  D:\Training\workspace\vppsourcemvn archetype:generate -B -DarchetypeGroupId=org .appfuse.archetypes -DarchetypeArtifactId=appfuse-modular-struts-archetype -Darc hetypeVersion=2.1.0-M1 -DgroupId=com.vmware -DartifactId=vpp [INFO] Scanning for projects... [INFO] Searching repository for plugin with prefix: 'archetype'. [INFO] ------------------------------------------------------------------------ [INFO] Building Maven Default Project [INFO] task-segment: [archetype:generate] (aggregator-style) [INFO] ------------------------------------------------------------------------ [INFO] Preparing archetype:generate [INFO] No goals needed for project - skipping [INFO] [archetype:generate {execution: default-cli}] [INFO] Generating project in Batch mode [WARNING] Error reading archetype catalog http://repo1.maven.org/maven2 org.apache.maven.wagon.TransferFailedException: Error transferring file: Connect ion timed out: connect at org.apache.maven.wagon.providers.http.LightweightHttpWagon.fillInputD ata(LightweightHttpWagon.java:143) at org.apache.maven.wagon.StreamWagon.getInputStream(StreamWagon.java:11 6) at org.apache.maven.wagon.StreamWagon.getIfNewer(StreamWagon.java:88) at org.apache.maven.wagon.StreamWagon.get(StreamWagon.java:61) at org.apache.maven.archetype.source.RemoteCatalogArchetypeDataSource.ge tArchetypeCatalog(RemoteCatalogArchetypeDataSource.java:97) at org.apache.maven.archetype.DefaultArchetypeManager.getRemoteCatalog(D efaultArchetypeManager.java:195) at org.apache.maven.archetype.DefaultArchetypeManager.getRemoteCatalog(D efaultArchetypeManager.java:184) at org.apache.maven.archetype.ui.DefaultArchetypeSelector.getArchetypesB yCatalog(DefaultArchetypeSelector.java:278) at org.apache.maven.archetype.ui.DefaultArchetypeSelector.selectArchetyp e(DefaultArchetypeSelector.java:69) at org.apache.maven.archetype.mojos.CreateProjectFromArchetypeMojo.execu te(CreateProjectFromArchetypeMojo.java:186) at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPlugi nManager.java:490) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(Defa ultLifecycleExecutor.java:694) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandalone Goal(DefaultLifecycleExecutor.java:569) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(Defau ltLifecycleExecutor.java:539) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHan dleFailures(DefaultLifecycleExecutor.java:387) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegmen ts(DefaultLifecycleExecutor.java:284) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLi fecycleExecutor.java:180) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138) at org.apache.maven.cli.MavenCli.main(MavenCli.java:362) at org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:6 0) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl. java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces sorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315) at org.codehaus.classworlds.Launcher.launch(Launcher.java:255) at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430) at org.codehaus.classworlds.Launcher.main(Launcher.java:375) Caused by: java.net.ConnectException: Connection timed out: connect at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333) at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366) at java.net.Socket.connect(Socket.java:529) at java.net.Socket.connect(Socket.java:478) at sun.net.NetworkClient.doConnect(NetworkClient.java:163) at sun.net.www.http.HttpClient.openServer(HttpClient.java:394) at sun.net.www.http.HttpClient.openServer(HttpClient.java:529) at sun.net.www.http.HttpClient.(HttpClient.java:233) at sun.net.www.http.HttpClient.New(HttpClient.java:306) at sun.net.www.http.HttpClient.New(HttpClient.java:323) at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLC onnection.java:860) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConne ction.java:801) at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection .java:726) at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLCon nection.java:1049) at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:373 ) at org.apache.maven.wagon.providers.http.LightweightHttpWagon.fillInputD ata(LightweightHttpWagon.java:115) ... 28 more [WARNING] No archetype found in Remote catalog. Defaulting to internal Catalog [INFO] ------------------------------------------------------------------------ [ERROR] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] [INFO] ------------------------------------------------------------------------ [INFO] For more information, run Maven with the -e switch [INFO] ------------------------------------------------------------------------ [INFO] Total time: 46 seconds [INFO] Finished at: Wed Jun 09 16:11:07 IST 2010 [INFO] Final Memory: 11M/28M [INFO] ------------------------------------------------------------------------

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• How to use Haar wavelet to detect LINES on an image?

  - by Ole Jak

  So I have Image like this I want to get something like this (I hevent drawn all lines I want but I hope you can get my idea) I want to use SURF ( (Speeded Up Robust Features) is a robust image descriptor, first presented by Herbert Bay et al. in 2006 ) or something that is based on sums of 2D Haar wavelet responses and makes an efficient use of integral images for finding all straight lines on image. I want to get relative to picture pixel coords start and end points of lines. So on this picture to find all lines between tiles and thouse 2 black lines on top. Is there any such Code Example (with lines search capability) to start from? I love C and C++ but any other readable code will probably work for me=)

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• Access 2007 & 2003 : Creating an mde for 2003 users with a 2007 dev copy issues

  - by Justin

  So i have an image on my computer that has office 2007, and I have the development copy of this database file where I corrected some code, added some fields, etc... I then converted the Access file (.mdb dev file) to Access 2002-2003 format to create an mde. So I then created the new mde, but when users try to open, it gives them the message that it is not the correct format and that they should upgrade to a newer version of access. So will i be able to get this done with having office 2007, and these other end users not having their new image pushed yet (so they still have office 2003)? I thought that if I converted the file to 2002-2003 then this should not be a problem Thanks Justin

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• Detecting bad jpeg images

  - by Gerard Cerchio

  The question on validating jpegs on network transfer is very helpful. Could we take this question one step further? What if the image data is incomplete or corrupt from the server? The complete transport works, the MIME type is image/jpeg, the UIImage is constructed and non-nil but the renderer discovers inconsistencies in the data and the log shows "Bad Huffman code" or "premature end of data segment" How would I capture this error before tossing the UIImage into the view context and thereby getting a not-pretty image on the screen? Could I render it to a non-screen context and capture the error?

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• Encrypting Files with AES, Encrypting Key with RSA - Am I on the right track?

  - by Shawn Steward

  Overview: I'm trying to design an application that will encrypt files to safely send through the mail. I'm planning on using AES/RijndaelManaged encryption from .Net to encrypt the files initially, using a randomly generated key using RNGCryptoServiceProvider. I'm then encrypting this random AES key with a RSA Public key. The receiver of the data is the only one with the RSA Private key to decrypt it. My question: Is this the proper way to do something like this? If so, is it safe to send this RSA-Encrypted key with the data since it requires the private key to decrypt? Also - when having the end user generate their Public/Private key pair, what is the best way to save the Private key? I do not want it to be only accessible from one machine, so I am trying to avoid using the user's key store. But MSDN says it is not safe to save the key to a file, so how else can you accomplish this?

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• How to customize form web part to include multiple columns in search??

  - by Sushant

  Hi, I have edited my form web part to look like this. I am a newbie to moss. As i understand, form web part allows only 1 column to be mapped to my list at a time. I need to configure to it have multiple columns mapped to my list view. Do I need to change any javascript function or use sharepoint designer. I have spent a week trying to accomplish this. Stillon a dead end. Please give some detailed information on how to accomplish this. Any guidance would be extremely helpful. Thanks in advance.

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• Learning web development as I go

  - by Matt Luongo

  Hey everybody, I've been seriously preparing to take the entrepreneurship leap. I've got a great partner, and we're going to take on some minor funding, and do the thing. Our product is web-based- I'll deem it YAWA (Yet Another Web Application). Both my partner and I have database and web development experience, and I've had a front-end developer in mind for a while. Except, well- he just bowed out. I know a fair amount about the associated technologies (XHTML, CSS, Javascript and some JQuery) interface-side, but I've never had to deal with real-world scenarios, eg cross-browser design. Am I going to be able to survive without this guy? Is it realistic to believe that I can learn the details as I go?

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• How do I get real integer overflows in MATLAB/Octave?

  - by marvin2k

  I'm working on a verification-tool for some VHDL-Code in MATLAB/Octave. Therefore I need data types which generate "real" overflows: intmax('int32') + 1 ans = -2147483648 Later on, it would be helpful if I can define the bit width of a variable, but that is not so important right now. When I build a C-like example, where a variable gets increased until it's smaller than zero, it spins forever and ever: test = int32(2^30); while (test > 0) test = test + int32(1); end Another approach I tried was a custom "overflow"-routine which was called every time after a number is changed. This approach was painfully slow, not practicable and not working in all cases at all. Any suggestions?

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• md5 hash for file without File Attributes

  - by Glennular

  Using the following code to compute MD5 hashs of files: Private _MD5Hash As String Dim md5 As New System.Security.Cryptography.MD5CryptoServiceProvider Dim md5hash() As Byte md5hash = md5.ComputeHash(Me._BinaryData) Me._MD5Hash = ByteArrayToString(md5hash) Private Function ByteArrayToString(ByVal arrInput() As Byte) As String Dim sb As New System.Text.StringBuilder(arrInput.Length * 2) For i As Integer = 0 To arrInput.Length - 1 sb.Append(arrInput(i).ToString("X2")) Next Return sb.ToString().ToLower End Function We are getting different hashes depending on the create-date and modify-date of the file. We are storing the hash and the binary file in a SQL DB. This works fine when we upload the same instance of a file. But when we save a new instance of the file from the DB (with today's date as the create/modify) on the file-system and then check the new hash versus the MD5 stored in the DB they do not match, and therefor fail a duplicate check. How can we check for a file hash excluding the file attributes? or is there a different issue here?

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• DIV menu ontop of <li> on hover

  - by Dylan Taylor

  Hey guys, this is my first time actually posting at stackflow but i've used people's answers before. Really a great site. Anywho onto my problemo. I have some 'li' tags. When I hover the mouse over these 'li's, I need a DIV to appear over the 'li' with some buttons, etc. Basically it's kind of a menu. the 'li's are an unpredictable length, usually somewhere from 1 line to 5. A great example of what I'm trying to accomp is the dribbble.com homepage. Hover over an image (though I'm using 'li's) and a nifty lil info thing comes up. I have absolutely no experience with javascript or jqry, I'm just a PHP guy with some CSS. I do the back-end work. Anywho, can anyone show me how to do this and include a basic example please? Would really really appreciate it. Help?

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• jQuery code to delete all spans with same content but keep one

  - by Axel

  Hello, Say i have the following html: <span class="fruit">Apple</span> <span class="fruit">banana</span> <span class="fruit">Apple</span> <span class="fruit">Apple</span> <span class="fruit">orange</span> I tried different methods but it didn't work, I want a jQuery code to remove all (.fruit) spans with same content but keep one (the first if possible), so i will end up with the following: <span class="fruit">Apple</span> <span class="fruit">banana</span> <span class="fruit">orange</span> Thank you

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• linq2sql and multiple joins

  - by zerkms

  is it possible to do multiple joins: from g in dataContext.Groups join ug in dataContext.UsersGroups on g.Id equals ug.GroupId join u in dataContext.Users on u. where ug.UserId == user.Id select GroupRepository.ToEntity(g); in the sample above all is fine until i press "." in the end of the 3rd line. there i expect to get intellisense and write u.Id == ug.UserId but it doesn't appear. and of course this code doesn't compile after. what did i wrong?

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• Google Maps: How to prevent InfoWindow from shifting the map

  - by TeddyN

  Using Google Maps API v3. I noticed that if I have a map marker near the edge of my map border ... that if I click the marker icon so that the InfoWindow will display, my entire map shifts so that the markers InfoWindow is centered. I don't want my map to shift. Question: How do I prevent the map from shifting when InfoWindows are near the end of the map border (which causes the InfoWindow by default to center & shift the map)?

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• Scala Lift - Robust method to protect files from hotlinking

  - by sirjamm

  I'm attempting to implement a way to stop hotlinking and/or un-authorised access to resources within my app. The method I'm trying to add is something I've used before in PHP apps. Basically a session is set when the page is first called. The images are added to the page via the image tag with the session value as a parameter: <img src="/files/image/[handle]?session=12345" /> When the image is requested the script checks to see if the session is set and matches the provided value. If the condition is not met the serving page returns null. Right at the end to the code I unset the session so further requests from outside the scope of the page will return null. What would be the best implementation of this method within the lift framework? Thanks in advance for any help, much appreciated :)

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• Returning an array of tm* structs from a function

  - by paultop6

  Hi Guys, Im trying to create an array of tm* structs, and then return them at the end of the function. This is what i have at the moment: struct tm* BusinessLogicLayer::GetNoResponceTime() { struct tm* time_v[3]; struct tm* time_save; int s = 3; time_save = LastSavedTime(); time_v[0] = time_save; sleep(5); time_save = LastSavedTime(); time_v[1] = time_save; sleep(5); time_save = LastSavedTime(); time_v[2] = time_save; return time_v; } I understand that given the code i have now it will not be possible to return the array, because it will be destroyed when the function ends. Can anyone help me with regards to how i would go about being able to access the array from the returned value after the function has ended? Regards Paul

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• Bidirectional one-to-many associations with indexed collections in NHibernate

  - by Jørn Schou-Rode

  Last summer, I asked a question regarding how to add new object to an IList mapped as a one-to-many with NHibernate. One of the answers let me to this paragraph in the documentation: Please note that NHibernate does not support bidirectional one-to-many associations with an indexed collection (list, map or array) as the "many" end, you have to use a set or bag mapping. While I am pretty sure I understand what this paragraph says, I have no idea why or how to work around this limitation. As I am now again working with a model that seems to require a "bidirectional one-to-many association with an index collection", I figured the time was right for follow-up questions: Why does NHibernate have this limitation on associations? It is my impression that the guys behind NHibernate are quite clever, so I assume there is a pretty good reason. What are the common workarounds for this shortcoming? Making the collection a non-indexed bag and adding an explicit Position property to the child class? Any better solutions?

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• Python GUI Scraper hanging issues.

  - by bball

  I wrote a scraper using python a while back, and it worked fine in the command line. I have made a GUI for the application now, but I am having trouble with one issue. When I attempt to update text inside the gui (e.g. 'fetching URL 12/50'), I am unable seeing as the function within the scraper is grabbing 100+ links. Also when going from one scraping function, to a function that should update the gui, to another function, the gui update function seems to be skipped over while the next scrape function is run. An example would be: scrapeLinksA() #takes 20 seconds updateInfo("LinksA done") scrapeLinksB() #takes another 20 seconds in the above example, updateInfo is never executed, unless I end the program with a KeyboardInterrupt. I'm thinking my solution is threading, but I'm not sure. What can I do to fix this? I am using: PyQt4 urllib2 BeautifulSoup

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• Dynamically setting a log4net property using common.logging

  - by Kyle LeNeau

  Does anyone know if there is an equivalent in Common.Logging (for .Net) to set properties for the log4net factory adapter? I have had great success when just using log4net by doing: <appender name="FileAppender" type="log4net.Appender.RollingFileAppender"> <file type="log4net.Util.PatternString" value="logs\Log_%property{BrokerID}.txt"/> <appendToFile value="false"/> <rollingStyle value="Size"/> <maxSizeRollBackups value="-1"/> <maximumFileSize value="50GB"/> <layout type="log4net.Layout.PatternLayout"> <conversionPattern value="%date %-5level %logger - %message%newline"/> </layout> </appender> and setting the property like:log4net.GlobalContext.Properties["BrokerID"] = 10 The file I end up with the looks like this: Log_(null).txt when using the common.logging to wire up log4net on the fly.

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• Make NSFormatter validate NSTextFieldCell continuously

  - by harms

  In Cocoa, I have an NSOutlineView where the cells are NSTextFieldCell. The cell displays values which are strings that are formatted according to certain rules (such as floats or pairs of floats with a space in between). I have made a custom NSFormatter to validate the text, and this seems to work with no problem. However, the cell (or the outline view, I'm unsure what is causing this) only seems to use the formatter at the moment my editing would end. If I type some alphabetic characters into the text field (which violates the formatting rules), these characters show up -- the only way I notice the formatter doing its job is that I'm now prevented from moving keyboard focus away from this cell. If I return the contents of the cell to a valid form, then I can move focus away. I have set both the cell and the outline view to be "continuous". It would be better if I was unable to enter text into the cell in the first place. Is it possible to make it like that, and if so, how?

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• PHP Curl and Loop based on a numeric value

  - by danit

  Im using the Twitter API to collect the number of tweets I've favorited, well to be accurate the total pages of favorited tweets. I use this URL: http://api.twitter.com/1/users/show/username.xml I grab the XML element 'favorites_count' For this example lets assume favorites_count=5 The Twitter API uses this URL to get the favorties: http://twitter.com/favorites.xml (Must be authenticated) You can only get the last 20 favorties using this URL, however you can alter the URL to include a 'page' option by adding: ?page=3 to the end of the favorites URL e.g. http://twitter.com/favorites.xml?page=2 So what I need to do is use CURL (I think) to collect the favorite tweets, but using the URL: http://twitter.com/favorites.xml?page=1 http://twitter.com/favorites.xml?page=2 http://twitter.com/favorites.xml?page=3 http://twitter.com/favorites.xml?page=4 etc... Some kind of loop to visit each URL, and collect the Tweets and then output the cotents. Can anyone help with this: - Need to use CURL to authenticate - Collect the number of pages of tweets (Already scripted this) - Then use a loop to go through each page URL based on the pages value?

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• bash bcmath functions

  - by Gordon

  I have two functions for GNU bc in a Bash script. BC_CEIL="define ceil(x) { if (x>0) { if (x%1>0) return x+(1-(x%1)) else return x } else return -1*floor(-1*x) }\n" BC_FLOOR="define floor(x) { if (x>0) return x-(x%1) else return -1*ceil(-1*x) }\n" echo -e "scale=2"$BC_CEIL$BC_FLOOR"ceil(2.5)" | bc Both functions work fine in interactive bc. bc does not seem to allow multiple functions on one line separated by ; though, so I have to echo -n | bc with newlines at the end of each function. The above output is 2.5, not the expected 3.0 that I get if I type it into bc -i myself. It seems that bash calls bc for each line of echo output, rather than echo'ing it all to a single instance. Is there any workaround for this?

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• Logging Mechanism using memory mapping technique

  - by Tushar

  Just create a mapping of the file of the required size (CreateFileMapping or mmap), write the lines in the buffer and start over when the maximum number is reached. -- Your answer for write-a-circular-file-in-c. I am also writing the LogWriter module. In this caase i am mapping the whole file to the memory using mmap(). I am maintaining the Read and Write pointers.I want to write the log to the file in append mode. Then when logger service is started first time it writes it appends the logs. But when system gets shutdown next time when i run the service it doesn't append the data at the end. I want to maintain the write and read offsets even if system shut down.How to achieve this ..? How to find the how much data is written to the log file. ??

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