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  • Linker Error : Statically Linking of Boost Serialization Library

    - by Manikanda raj S
    I'm trying to link the Boost Serialization Library to my Code. But it doesn't seem to be working. g++ serialize.cpp -L"/usr/local/lib/libboost_serialization.a" Error : /tmp/ccw7eX4A.o: In function boost::archive::text_oarchive::text_oarchive(std::basic_ostream<char, std::char_traits<char> >&, unsigned int)': serializep.cpp:(.text._ZN5boost7archive13text_oarchiveC2ERSoj[_ZN5boost7archive13text_oarchiveC5ERSoj]+0x25): undefined reference toboost::archive::text_oarchive_impl::text_oarchive_impl(std::basic_ostream &, unsigned int)' .......... collect2: ld returned 1 exit status But when i link as a shared library, g++ serialize.cpp -lboost_serialization , it works fine. What am i missing here P.S : Other StackOverflow posts with the same question has no answers that work for the above error

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  • Where is the rand php function located? localhost php running, path of default functions?

    - by Bona Chon
    I have a local server installed on my Mac (MAMP). My question is, where I can find the php functions in my computer? What is the path to the functions folder? For instance, rand() time() isset() explode(). I would like to se the code to learn of it. I have a while looking for it, but I can't find it. Or is it that is already compiled? Can someone help me here? I'm kind of lost. Thanks people. EDIT: can you be a little bit more positive? I;m trying to learn here, forgive me if I'm not to smart for you. Thanks again. Explanations would help better than giving links I guess?

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  • What is a good rule for when to prepend members with 'this' (C#)?

    - by RichAmberale
    If I am accessing a member field, property, or method, I'm never sure when I should prepend it with 'this'. I am not asking about cases where it is required, like in the case where a local variable has the same name. I am talking about cases where the meaning is exactly the same. Which is more readable? Are there any standards, best practices, or rules of thumb I should be following? Should it just be consistent throughout a class, or an entire code base?

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  • Whether to check for null

    - by coffeeaddict
    I know that you should always check incoming params to a method for null. But what if I have this scenario with a try/catch referring to a local variable. Do I really need to check for null below? Because it's gonna catch it anyway if it's null and the next line of code tries to use the refundResponse variable: public string DoRefund(...) { try { ...... string refundTransactionID = string.Empty; ...... RefundTransactionResponseType refundResponse = transaction.DoRefund(...); if (refundResponse != null) refundTransactionID = refundResponse.RefundTransactionID; ..... } catch (Exception ex) { LogError(ex); return ex.ToString(); } }

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  • jquery integrate form parameter in one object

    - by jesse
    There are many forms in my page. I want to merge them in one object and submit them in one object. But I find serializeArray() or serialize() do not match my request, the serializeArray function will generate a array object and serialize is used by get model, it is not an object. is there a jquery or local function can merge them in one object. I have one solution but it is not perfect, loop the array object generated by serializeArray, use $.extend to merge them in one object. is there a better method? kindly help, thanks.

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  • Why won't my movie play using MPMoviePlayerController?

    - by Nosrettap
    I'm trying to get a basic movie to play in an iPhone app; however, I can't seem to get it to work. Here's my entire code: #import <MediaPlayer/MediaPlayer.h> #import "ViewController.h" @implementation ViewController - (IBAction)playMoviePressed:(id)sender { NSURL *url = [NSURL URLWithString:@"http://www.ebookfrenzy.com/ios_book/movie/movie.mov"]; MPMoviePlayerController *moviePlayer = [[MPMoviePlayerController alloc] initWithContentURL:url]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(moviePlayBackDidFinish:) name:MPMoviePlayerPlaybackDidFinishNotification object:moviePlayer]; moviePlayer.controlStyle = MPMovieControlStyleDefault; moviePlayer.shouldAutoplay = YES; [self.view addSubview:moviePlayer.view]; [moviePlayer setFullscreen:YES animated:YES]; [moviePlayer prepareToPlay]; [moviePlayer play]; } @end I have one button on screen that calls playMoviePressed when it is tapped. I know that this method is getting called. I have also tried this with .mov and .mp4 local files that I have dragged into xcode.

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  • case sensititivity with users controller on certain hosting

    - by Leo
    We generally use two different hosting services. On one, everything works ticketyboo, as it does on my local dev servers. On the other server, however, I am having this problem: I can't access the users controller like this: http://www.example.com/users/login But I can like this: http://www.example.com/Users/login ** note the capitalised 'Users' ** If I displace the application to a sub-folder everything works fine (both upper- and lowercase). The hosting company have looked at it and can't see a problem at their end and they assure me that users is not a reserved word. You might say this isn't a problem, just use the version that works. Unfortunately it leads to problems downstream where Cake core starts generating urls itself. Anybody else seen this problem or know the solution? [This only occurs on the users controller - all others work as expected]

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  • Loading Nested JS Files on the Page

    - by Aidin
    Hi, I have a JS file that is dependent to another Js file. this Js file is something like this (Common.js) //Some codes here window.onload = PageLoad; //some codes here and then I implement PageLoad function in another Js file. ( I do this because every page has its own PageLoad implementation) and I Load these files like this on my Main.aspx : `<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">` `<\script language="javascript" type="text/javascript" src="PagesJS/pgeMain.js"></script>` `<\script language="javascript" type="text/javascript" src="JS/Common.js"></script>` ... ... `</asp:Content>` Every thing works fine on local but when I deploy it, sometimes I get PageLoad undefined Error! Can any one tells me what is wrong with this? Thanks. Aidin

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  • Bash file descriptor leak

    - by Charles Duffy
    I get a file descriptor leak when running the following code: function get_fd_count() { local fds cd /proc/$$/fd; fds=( * ) # avoid a StackOverflow source colorizer bug echo "${#fds[@]}" } function fd_leak_func() { echo ">> Current FDs: $(get_fd_count)" read retval new_state < <(set +e; new_state=$(echo foo); retval=$?; printf "%d %s\n" $retval $new_state) } function parent_func() { while fd_leak_func; do :; done } parent_func Tested on both 3.2.25 and 4.0.28. Taking the while loop out of parent_func and running it at top level makes the problem go away. What's going on here? More to the point, are workarounds available?

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  • open database with initfile

    - by ml
    how to open a database local or remote with IniFile. something like the below. [code]vBanco : String; IniFileName : TIniFile; begin if FileExists (remote+'db\ado.mdb') IniFileName := TIniFile.Create(ExtractFilePath(ParamStr(0))+FileName); Try vBanco := Trim(IniFileName.ReadString('acesso','BancoRemto','')); Dirlocal := Trim(IniFileName.ReadString('acesso','PastasRemto','')); frmPrincipal.Edit1.text := Dirlocal; Dirtrabalho := (ExtractFilePath(Application.ExeName)); Conection.ConnectionString := vBanco; else ................................................ begin Try vBanco := Trim(IniFileName.ReadString('acesso','banco','')); Dirlocal := Trim(IniFileName.ReadString('acesso','PastasLocais','')); frmPrincipal.Edit1.text := Dirlocal; Dirtrabalho := (ExtractFilePath(Application.ExeName)); Finally end; end; end; IniFileName.Free;

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  • How can i access my custom webpart in sharepoint foundation 2010?

    - by oklahoma_overlord
    Hi, So i just started trying to develop a simple webpart today for a sharepoint foundation i put on a virtual machine. I have no previous experience with sharepoint whatsoever. As i cant run a sharepoint 2010 on my local machine for dev purposes i followed advices in this thread http://social.technet.microsoft.com/Forums/en/sharepoint2010programming/thread/cda807f6-4edf-4efc-8e9b-4d446356c8ae to able to actually develop something (just the registry bit). I created the simple test web part (writes out "hi"), uploaded it to virtual machine, added it with add-spsolution and install-spsolution in powershell with success. When i do get-solution through powershell on my webpart it says deployed = true. What am i missing from here to get it to actually show up somewhere in the web interface so i can add it to a page? Cheers

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  • jsjac openfire chat issue

    - by user1246979
    I am trying to use openFire + jsjac for my application as chat option. I have installed openfire in my local machine and it is running fine on http://127.0.0.1:4040/ and i have downloaded jsjac version 1-3-4. 1) when I run sampleClient.html file directly [URL: C:\tomcat\webapps\jsjac\examples\simpleclient.html] I am able to connect sampleClient with openFire. Select Http Binding http Base : http://127.0.0.1:7070/http-bind/ jabber server : 127.0.0.1 username : admin password : ** 2) But when I put jsjac folder in tomcat/webapps/ directory, I access sampleClient through http://127.0.0.1:8080/jsjac/examples/sampleClient.html, at that time using above setting (which i have used in step 1) it is giving error "Service unavailable". In step 1 when though I am connected with openFire, when I send a message it displays only "message received from admin@localhost", but it does not display the actual message.. I need your advice on these problems... Thanks.

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  • Mercurial: two separate repos somewhat related (yes I'm getting confused)

    - by Lo'oris
    I have a local repository, let's call it ONE. ONE is the actual program. It's an android program, in case it matters for some reason. I have a remote repository, let's call it EXT. EXT is somewhat a library, used by ONE. ONE has a complex directory structure, mandated by android. The main sources are in src/bla/bla/ONE. Since ONE uses EXT, to do it I had to create another directory next to that one, that is src/bla/bla/EXT. I think would like to keep them separated in two repositories, but I need for them to actually be in this same directory structure to compile ONE. At the moment I just created a symlink to do it, but I wonder if there is a better way of doing that, that uses some hg feature.

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  • SQL Server Replication

    - by Serge
    I have a device that continuously collects data and stores it on a local database. I would like to also replicate that data to a second computer over the network every 10 seconds to ensure data reliability. Should I use transaction replication to achieve this? What if the network connection is temporarily unavailable, will the replication service automatically transmit all the backlogged data once the connection is restored? Can the computer that collects the data be SQL Server Compact or does it have to be at least Workgroup edition to be a Publisher. The second PC will run SQL Server Express and would be a subscriber. Thanks.

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  • In java web application, where should i store users photos?

    - by stunaz
    Hello, this questions may be stupid, but i dont really see how to resolve it : lest say that in my application, i have a user. This user edit his profile, and need to edit his avatar. Where should i store the avatar file? first of all i was saving all the files in src\main\webapp\resources , but each time i redeploy that folder empties. so i dedide to place in an other location : c:\wwwdir\resources, but i can't link local resources from remote pages, so i was not able to display any avatar . any idea? advise? link?

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  • Not getting return value

    - by scottO
    I am trying to get a return value and it keeps giving me an error. I am trying to grab the "roleid" after the username has been validated by sending it the username-- I can't figure out what I am doing wrong? public string ValidateRole(string sUsername) { string matchstring = "SELECT roleid FROM tblUserRoles WHERE UserName='" + sUsername +"'"; SqlCommand cmd = new SqlCommand(matchstring); cmd.Connection = new SqlConnection("Data Source=(local);Initial Catalog="mydatabase";Integrated Security=True"); cmd.Connection.Open(); cmd.CommandType = CommandType.Text; SqlDataAdapter sda = new SqlDataAdapter(); DataTable dt = new DataTable(); sda.SelectCommand = cmd; sda.Fill(dt); string match; if (dt.Rows.Count > 0) { foreach (DataRow row in dt.Rows) { match = row["roleid"].ToString(); return match; } } else { match = "fail"; return match; } }

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  • Java - Count words in two documents

    - by user552961
    Good Morning - it is school assignment, I am not asking for any source code (if you can provide any pesudo code it would be awesome). Here is the problem :( I have to create a term frequency table. It is not pure TF, I just need to count the words and write down. I know basic steps to do it 1 - extract all terms (I can do it with file reader) 2 - remove repeating terms (I can do it with TreeMap) The output of 2nd step would be Niga, ponga, dinga, bitlo, etc. 3 - Now I have to see if there is any word in current file from above terms or not, if yes then I will count. Now this is my problem, I stucked on step 3 :( I have some idea how to count words with TreeMap (treemap.containskey etc.) but it would be global count not local count for each file :( Any pseudo code?

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  • Array-size macro that rejects pointers

    - by nneonneo
    The standard array-size macro that is often taught is #define ARRAYSIZE(arr) (sizeof(arr) / sizeof(arr[0])) or some equivalent formation. However, this kind of thing silently succeeds when a pointer is passed in, and gives results that can seem plausible at runtime until things mysteriously fall apart. It's all-too-easy to make this mistake: a function that has a local array variable is refactored, moving a bit of array manipulation into a new function called with the array as a parameter. So, the question is: is there a "sanitary" macro to detect misuse of the ARRAYSIZE macro in C, preferably at compile-time? In C++ we'd just use a template specialized for array arguments only; in C, it seems we'll need some way to distinguish arrays and pointers. (If I wanted to reject arrays, for instance, I'd just do e.g. (arr=arr, ...) because array assignment is illegal).

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  • PHP - ftp_get only works once

    - by William
    I'm connecting to an ftp server that I have no control over, and I'm pretty sure is using something old and outdated due to other issues I've run into. I'm simply using this code in a loop to get all the files in a directory. ftp_put($this->conn_id, $remote, $local, FTP_ASCII); The first time all goes well, but after that I get this error thrown for each file I try to get: "There is already an active transaction" I've tried both passive & active with no luck. It's the exact same code I use to connect to other FTP servers and get files with no problem. Any ideas? I suppose my last resort could be disconnecting and reconnecting for each file, but that seems like a huge waste.

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  • How to restore files that were removed by git?

    - by Ryan
    I am a git noob and git just deleted a bunch of important files. How do I get them back? I have a repo on my local machine. To get into git, I just right click my project folder and select "git bash here". This brings up the master where I do all my giting. So I had some changes to stage and I did: git add . This staged a bunch of changes. I noticed that I didn't want some of these staged so I decided that I'd try to unstage everthing. I did this: git reset --hard HEAD^ This basically deleted a bunch of files that I had made on the last commit and jumped to the commit before. How do I get those files back? If I can't do it through git is there another way?

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  • APC on Windows makes server terminate connection

    - by vanneto
    Hello. I have a slight problem and cannot for the life of me figure out what is happening. I am running a Linux machine on a server with APC enabled. Everything works fine. Now when I enable APC on Windows the server starts terminating the connection. You know, the "Site currently unavailable" message Firefox spits out. I tried the access logs, error logs and there is nothing there to indicate an error. How could APC influence on a server like this? BTW: I have a CMS on my local server/live server. On the live server it works great with APC. On the dev server the connection terminates. The strange thing is, simpler scripts execute just fine. The CMS is using CakePHP. Any help would be very appreciated.

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  • session expires to soon in php

    - by user1669425
    I want to extend a session time so that a session variable does not expire until after 12 hours. Problem is that after 24 minutes (default time for a session until it expires) of inactivity it still expires the session and hence gives me undefined indexes for those SESSION variables. What else do I need to do in the code below in order to be able to extend the sessions so that it does not expire on its own until 12 hours has passed: <?php ini_set('session.gc_maxlifetime',12*60*60); ini_set('session.cookie_lifetime',12*60*60); phpinfo(); session_start(); ....//rest of code below ?> in phpinfo() it states this below for gc_maxlifetime: Local Value Master Value session.gc_maxlifetime 43200 1440 session.cookie_lifetime 43200 0

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  • Using popen() to invoke a shell command?

    - by Anvar
    When running the following code through xcode I get inconsistent behavior. Sometimes it prints the git version correctly, other times it doesn't print anything. The return code from the shell command is always 0 though. Any ideas on why this might be? What am I doing wrong? #define BUFFER_SIZE 256 int main (int argc, const char * argv[]) { FILE *fpipe; char *command="/opt/local/bin/git --version"; char line[BUFFER_SIZE]; if ( !(fpipe = (FILE*)popen(command, "r")) ) { // If fpipe is NULL perror("Problems with pipe"); exit(1); } while ( fgets( line, sizeof(char) * BUFFER_SIZE, fpipe)) { // Inconsistent (happens sometimes) printf("READING LINE"); printf("%s", line); } int status = pclose(fpipe); if (status != 0) { // Never happens printf("Strange error code: %d", status); } return 0; }

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  • Android 3.2 HTTP streaming

    - by user1281053
    I'm trying to create an app to stream live TV. Currently the problem I'm facing is that after say 10 minutes of playing, the video will freeze but the audio will carry on. This is on a 1.3mbps stream. I also have lower streams, such as a 384kbps stream, that might last an hour or so, but will still do the same. I've tested this with a local video, that is high quality (file size is 2.3gb) and that has no lag and doesn't freeze at all, so it must be something to do with the way HLS is streamed to android. Does anyone have any idea on how to solve this problem? Thanks

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  • Find Field In Access Table

    - by user3535895
    I need to connect to a local table in Access and find a an entry in the name field then find the id of that name. I know how to connect to access and create the connection there, but actually manipulating the table I am lost. I can use this to connect to access, but how would I access the table and find the field I am looking for? The data structure of the table I want to connect to is: name text, address text, id autonumber. System.Collections.ArrayList outside = new System.Collections.ArrayList(); System.Data.OleDb.OleDbConnection olecon = new System.Data.OleDb.OleDbConnection"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + path); olecon.Open();

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