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  • "An access violation (Segmentation Fault) raised in your program."

    - by Mark
    My C++ program compiles and works up until I call this function from main(): int uword(){fstream infile("numbers.txt"); fstream exfile("wordlist.txt"); string numb[numoflines]; string lines[numoflines]; number = 1; line = 1; for(int i=0;!infile.eof();++i) { getline (infile,number); numb[i] = number; getline (exfile,line); lines[i] = line; } infile.close(); exfile.close(); string yourword; Something here causes it to crash, in the debug it pops up with "An access violation (Segmentation Fault) raised in your program."

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  • dropdownlist format and then convert

    - by dinra
    i need a dropdownlist to show current month and year (January 2010) till January 2011, and an additional record of January 2011 +. But I want to save this in the database as 01/01/2010 format. also if the user selects current month then the record should be getdate() to go in database, else for any other month it should be 02/01/2010 (date = 01, first day of month). how do i do this in aspx.vb .net. i wrote a function to populate the dorpdownlist - Public Sub Load_dates(ByRef DDL As System.Web.UI.WebControls.DropDownList) Try Dim i As Integer Dim j As Integer For i = Now.Year To Now.Year For j = Now.Month To Now.Month + 11 DDL.Items.Add((j.ToString) + " " + (i.ToString)) Next Next Catch ex As Exception ReportError(ex) End Try End Sub this function only shows number like 01 2010 and 02 2010. how can i format this to show january 2010 and february 2010 and so on. please advice

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  • Model association changes in production environment, specifically converting a model to polymorphic?

    - by dustmoo
    Hi everyone, I was hoping I could get feedback on major changes to how a model works in an app that is in production already. In my case I have a model Record, that has_many PhoneNumbers. Currently it is a typical has_many belongs_to association with a record having many PhoneNumbers. Of course, I now have a feature of adding temporary, user generated records and these records will have PhoneNumbers too. I 'could' just add the user_record_id to the PhoneNumber model, but wouldn't it be better for this to be a polymorphic association? And if so, if you change how a model associates, how in the heck would I update the production database without breaking everything? .< Anyway, just looking for best practices in a situation like this. Thanks!

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  • How to parse out html links from a huge string with html links and other text (Java).

    - by Robert
    Hello, my question is how would i be able to go through a string and take out only the links and erase all the rest? I thought about using some type of delemiter, but wouldnt know how to go about using it in java. an example of what i am trying to do: this is my String: String myString = "The file is http: // www. .com/hello.txt and the second file is " + "http: // www. .com/hello2.dat"; I would want the output to be: "http: // www. .com/hello.txt http: // www. .com/hello2.dat" or each could be added to an array, separately. I just want some ideas, id like to write the code myself but am having trouble on how to do it. Any help would be awesome.

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  • What's in-memory database technology that do realtime materialized view?

    - by KA100
    What I'm looking for is something like materialized views in front-end that shows my data in diffident ways without full recalculation. let's say I have stock watcher with many front-end views and dashborads some based on aggregation, order by or just filter with different criteria defined realtime by user. Now, I receive online record updates from some webservice and it's not like "data warehouse" every single record can be updated any time and it actually happens every second. Is there any technology can help me in such I create something like materialized view and it's update it without doing full recalculation every time data changed. Thank you.

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  • Pattern matching against Scala Map type

    - by Tom Morris
    Imagine I have a Map[String, String] in Scala. I want to match against the full set of key–value pairings in the map. Something like this ought to be possible val record = Map("amenity" -> "restaurant", "cuisine" -> "chinese", "name" -> "Golden Palace") record match { case Map("amenity" -> "restaurant", "cuisine" -> "chinese") => "a Chinese restaurant" case Map("amenity" -> "restaurant", "cuisine" -> "italian") => "an Italian restaurant" case Map("amenity" -> "restaurant") => "some other restaurant" case _ => "something else entirely" } The compiler complains thulsy: error: value Map is not a case class constructor, nor does it have an unapply/unapplySeq method What currently is the best way to pattern match for key–value combinations in a Map?

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  • Problem with Nulls and an UPDATE statement

    - by Dave
    UPDATE TableA SET Value = a.Value * b.AnotherValue FROM TableA AS a INNER JOIN TableB AS b WHERE (Condition is true); Here is the problem. The Value field for TableA does not allow nulls. If the calculation of a.Value * b.AnotherValue yields a null, an error is thrown. Now the question. Is there any way to tell the UPDATE to ignore the SET phase when the result of the calculation is a null and delete the record rather than updating it. This UPDATE is intended to update hundreds of records at a time but will fail if a single null is encountered. Also, please note that using the ISNULL() function and setting the Value to zero is not acceptable. I would like the record to be dropped if a null is encountered. Many thanks in advance for any help rendered.

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  • What are these folders for? Can I remove them? How?

    - by Water Cooler v2
    In a folder on the SVN server/repository that is designated for our project, there have appeared the following folders: branches/ conf/ db/ hooks/ locks/ tags/ trunk/ README.txt (file) format (file) We have all the code in the trunk folder. There were, as far as I can remember, only 3 or 4 folders earlier. Within the trunk folder, too, there are now these folders. OurCode/ conf/ db/ hooks/ locks/ README.txt (file) format (file) I understand many of these folders or files are not necessary, but I can't be too sure. My questions are: 1) What are each of these files and/or folders for? 2) Which are the ones that are not necessary? 3) How may I remove them from the server repository?

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  • how to create a logo and graphical images [closed]

    - by priya
    hi Can you tell me how to create code for this? Insert a new logo of the company Use layout manager to place the components on the applet Insert graphical images The details of the music CDs should be stored category-wise in seperate text files. For example, classic.txt file stores the music titles of classic tracks, western.txt file stores the music title of western tracks. Display the list of the title available with the music store depending upon the category selected. The images should also change according to the selection.

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  • The big last_insert_id() problem, again.

    - by wretrOvian
    Note - this follows my question here: http://stackoverflow.com/questions/2983685/jdbc-does-the-connection-break-if-i-lose-reference-to-the-connection-object Now i have a created a class so i can deal with JDBC easily for the rest of my code - public class Functions { private String DB_SERVER = ""; private String DB_NAME = "test"; private String DB_USERNAME = "root"; private String DB_PASSWORD = "password"; public Connection con; public PreparedStatement ps; public ResultSet rs; public ResultSetMetaData rsmd; public void connect() throws java.io.FileNotFoundException, java.io.IOException, SQLException, Exception { String[] dbParms = Parameters.load(); DB_SERVER = dbParms[0]; DB_NAME = dbParms[1]; DB_USERNAME = dbParms[2]; DB_PASSWORD = dbParms[3]; // Connect. Class.forName("com.mysql.jdbc.Driver").newInstance(); con = DriverManager.getConnection("jdbc:mysql://" + DB_SERVER + "/" + DB_NAME, DB_USERNAME, DB_PASSWORD); } public void disconnect() throws SQLException { // Close. con.close(); } } As seen Parameters.load() refreshes the connection parameters from a file every-time, so that any changes to the same may be applied on the next immediate connection. An example of this class in action - public static void add(String NAME) throws java.io.FileNotFoundException, java.io.IOException, SQLException, Exception { Functions dbf = new Functions(); dbf.connect(); String query = "INSERT INTO " + TABLE_NAME + "(" + "NAME" + ") VALUES(?)"; PreparedStatement ps = dbf.con.prepareStatement(query); ps.setString(1, NAME); ps.executeUpdate(); dbf.disconnect(); } Now here is the problem - for adding a record to the table above, the add() method will open a connection, add the record - and then call disconnect() . What if i want to get the ID of the inserted record after i call add() -like this : Department.add("new dept"); int ID = getlastID(); Isn't it possible that another add() was called between those two statements?

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  • Locking a detail view if a user is editing the item...

    - by BenTheDesigner
    Hi All I am developing a user manager which must control access to the detail view of editable items. At present, when a user clicks 'edit', the application queries the link table to check if a user is currently editing that page, if not, it allows access to the page and then inserts a record into the link table preventing another user from editing the same page at the same time. My question is what would the best way to handle the removal of records if say a user exists the browser without saving etc, therefore no action to remove the record. I have a couple of ideas but would like other input before I decide. BenTheDesigner

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  • Physical storage of data in Access 2007

    - by ste
    I've been trying to estimate the size of an Access table with a certain number of records. It has 4 Longs (4 bytes each), and a Currency (8 bytes). In theory: 1 Record = 24 bytes, 500,000 = ~11.5MB However, the accdb file (even after compacting) increases by almost 30MB (~61 bytes per record). A few extra bytes for padding wouldn't be so bad, but 2.5X seems a bit excessive - even for Microsoft bloat. What's with the discrepancy? The four longs are compound keys, would that matter?

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  • Split a binary file into chunks c++

    - by L4nce0
    I've been bashing my head against trying to first divide up a file into chunks, for the purpose of sending over sockets. I can read / write a file easily without splitting it into chunks. The code below runs, works, kinda. It will write a textfile and has a garbage character. Which if this was just for txt, no problem. Jpegs aren't working with said garbage. Been at it for a few days, so I've done my research, and it's time to get some help. I do want to stick strictly to binary readers, as this need to handle any file. I've seen a lot of slick examples out there. (none of them worked for me with jpgs) Mostly something along the lines of while(file)... I subscribe to the, if you know the size, use a for-loop, not a while-loop camp. Thank you for the help!! vector<char*> readFile(const char* fn){ vector<char*> v; ifstream::pos_type size; char * memblock; ifstream file; file.open(fn,ios::in|ios::binary|ios::ate); if (file.is_open()) { size = fileS(fn); file.seekg (0, ios::beg); int bs = size/3; // arbitrary. Actual program will use the socket send size int ws = 0; int i = 0; for(i = 0; i < size; i+=bs){ if(i+bs > size) ws = size%bs; else ws = bs; memblock = new char [ws]; file.read (memblock, ws); v.push_back(memblock); } } else{ exit(-4); } return v; } int main(int argc, char **argv) { vector<char*> v = readFile("foo.txt"); ofstream myFile ("bar.txt", ios::out | ios::binary); for(vector<char*>::iterator it = v.begin(); it!=v.end(); ++it ){ myFile.write(*it,strlen(*it)); } }

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  • regular expression match does not work

    - by Carlos_Liu
    I have a string ABCD:10,20,,40;1/1;1/2,1/3,1/4 I want to split the string into the following parts: ABCD -- splited by : 10,20,,40 -- splited by ; 1/1 1/2,1/3,1/4 Why the following regular expression does not work for me ? string txt = @"ABCD:10,20,,40;1/1;1/2,1/3,1/4"; Regex reg = new Regex(@"\b(?<test>\w+):(?<com>\w+);(?<p1>\w+);(?<p2>\w+)"); Match match = reg.Match(txt);

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  • Where to store users visited pages?

    - by kofto4ka
    Hi there. I have a project, where I have posts for example. The task is next: I must show to user his last posts visit. This is my solution: every time user visits new (for him) topic, I create a new record in table visits. Table visits has next structure: id, user_id, post_id, last_visit. Now my tables visits has ~14,000,000 records and its still growing every day.. May be my solution isnt optimal and exists another way how to store users visits? Its important to save every visit as standalone record, because I also have feature to select and use users visits. And I cant purge this table, because data could be needed later month, year. How I could optimize this situation?

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  • How to find the real problem line in my code with Application Verifier ?

    - by Newbie
    I am now trying to use this Application Verifier debugging tool, but i am stuck, first of all: it breaks the program at a line that is simple variable set line (s = 1; for example) Secondly, now when i run this program under debugger, my program seems to have changed its behaviour: i am drawing image, and now one of the colors has changed o_O, all those parts of the image that i dont draw on, has changed the color to #CDCDCD when it should be #000000, and i already set the default color to zero, still it becomes to #CDCDCD. How do i make any sense to this? Here is the output AV gave me: VERIFIER STOP 00000002: pid 0x8C0: Access violation exception. 14873000 : Invalid address causing the exception 004E422C : Code address executing the invalid access 0012EB08 : Exception record 0012EB24 : Context record AVRF: Noncontinuable verifier stop 00000002 encountered. Terminating process ... The program '[2240] test.exe: Native' has exited with code -1073741823 (0xc0000001).

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  • Outputting audio stream into microphone

    - by Brap
    Hey everyone. Is there a way of outputting audio from my program and redirecting that stream to the system's microphone input 'layer'? I understand this might require some low-level calls being 'Pinvoked', but are there any articles that might help me. For example, if I was to run the output audio stream of my application into Window's Sound Recorder program, it would think that the audio is coming from a microphone and thus record that. I don't want to record a stream, just output it to the device's micrphone input. Thanks for any ideas.

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  • [MSBuild] How to overwrite ItemGroup (like what we do with PropertyGroup)

    - by Nam Gi VU
    I have a script snippet looks like below: <ItemGroup> <files Include="*.txt"></files> </ItemGroup> <Message Text="@(files)"> <ItemGroup> <files Include="*.xml"></files> </ItemGroup> <Message Text="@(files)"> I want that in the second Message output, only *.xml is printed. Currently both of *.txt and *.xml are printed which is what I don't want to. So, my question is how can we overwrite the item files in the second print script? Please help!

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  • Is possible use 'div id' as name of array?

    - by rflfn
    Please view this jsfiddle jsfiddle.net/rflfn/uS4jd/ This is other try jsfiddle.net/rflfn/T3ZT6/ I'm using SMOF to developper Wordpress theme, I need make one function to change some values when link is clicked, but when I make array with name of div, the array returns null value... <a class="button" id="settext1">Some Link</a> <br /> <a class="button" id="settext2">Another Link</a> <br /> <a class="button" id="settext3">Link 3</a> <br /> JQ: $(document).ready(function(){ // var col_settext1 = new Array(); // <-- I need make this array with name of DIV cliked col_settext1['field_id1']='#FF0000'; col_settext1['field_id2']='#00FFFF'; // var txt_settext1 = new Array(); // <-- I need make this array with name of DIV cliked txt_settext1['field_id3']='Some Text Here'; txt_settext1['field_id4']='Another Text Here'; // var txt_settext2 = new Array(); // <-- I need make this array with name of DIV cliked txt_settext2['field_id5']='Some Text Here'; // var col_settext2 = new Array(); // <-- I need make this array with name of DIV cliked col_settext2['field_id6']='Another Text Here'; // var chk_settext2 = new Array(); // <-- I need make this array with name of DIV cliked chk_settext2['field_id7']="checked"; }); $('.button').click(function(){ $myclass = this.id; $col = 'col_' + $myclass; $txt = 'txt_' + $myclass; $chk = 'chk_' + $myclass; // Based I clicked on the link 'settext1', Here I have this: // col_settext1 // txt_settext1 // chk_settext1 // THE PROBLEM ARE HERE! $col = new Array(); // <--- Here I use name of DIV as Array, but the value is lost... $txt = new Array(); $chk = new Array(); // Test... alert($col); // <--- Here no have any value :( alert($col[1]); // <--- Here no have any value :( for (id in $col) { // 'id' is value of array --> col_settext1['field_id1']='#FF0000'; // do function based on array values... // just example: alert(id); } for (id in $txt) { // 'id' is value of array --> txt_settext1['field_id1']='#FF0000'; // do function based on array values... } for (id in $chk) { // 'id' is value of array --> chk_settext1['field_id1']='#FF0000'; // do function based on array values... } }); Is possible use name of the div as array name? Any suggestion or any other method to solve this problem is welcome.

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  • .NET string contains string[]

    - by Mike
    I'm having a small issue putting together this contains statement any help would be awesome. string betaFilePath = @"C:\resultsalpha.txt"; StringBuilder sb = new StringBuilder(); using (FileStream fs = new FileStream(betaFilePath, FileMode.Open)) using (StreamReader rdr = new StreamReader((fs))) { while (!rdr.EndOfStream) { string betaFileLine = rdr.ReadLine(); { string[] onlythese = {@"apple/",@"aee/",@"www/",@"blk/",@"art/",@"purp/",@"ora/",@"red/",@"brd/",@"biek/",@"biz/"}; if (betaFileLine.Contains(onlythese)) { File.AppendAllText(@"C:\testtestest.txt", betaFileLine); } } } Error: Argument '1': cannot convert from 'string[]' to 'string' - if (betaFileLine.Contains(onlythese))

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  • Save response from certain WEB resources while recording scenario

    - by jdevelop
    I need to create scenario for user interaction with single-page WEB application. The application does lots of AJAX calls in order to authenticate user and get user data. So I created simple scenario with HTTP Test Script Recorder and tried to record my script. Everything went well, however I noticed that whilst request data is recorder properly, the response data is not recorder at all. I tried to enable Add assertions and Regex matching - but that didn't work as well. Can you please advice how do I record response texts as well?

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  • Some tables mixed together

    - by DJPython
    Hello. I have 2 different tables in my database. They have some variables common and some different. For example: Table1: ID Date Name Address Fax Table2: ID Date Name e-mail Telephone number I want to display data together sorted by date & ID but from both tables. For example, first displayed will be the newest record from first table, but the second one will be the record from another table posted right after first one. Hope everybody understand, sorry for my English. Cheers.

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  • Concatenation awk outputs

    - by Rookie_22
    I'm using regex to parse NMAP output. I want the ip addresses which are up with the corresponding ports open. Now I've a very naive method of doing that: awk '/^Scanning .....................ports]/ {print substr ($2,1,15);}' results.txt awk '/^[0-9][0-9]/ {print substr($1,1,4);}' results.txt | awk -f awkcode.awk where awkcode.awk contains the code to extract numbers out of the substring. The first line prints all the ips that are up and 2nd gives me the ports. My problem is that I want them mapped to each other. Is there any way to do that? Even sed script would do.

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  • How to open a text file that's not in the same folder?

    - by nunos
    Since C it's not a language I am used to program with, I don't know how to do this. I have a project folder where I have all the .c and .h files and a conf folder under which there is a config.txt file to read. How can I open that? FILE* fp = fopen("/conf/config.txt"); if (fp != NULL) { //do stuff } else printf("couldn't open file\n"); I keep getting the error message. Why? Thanks.

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  • Visual Basic 2013 String Replacement

    - by user3707612
    I found this code that replaces a string in a text file. But, I am trying to make it so that it replaces several strings in a text file. My.Computer.FileSystem.WriteAllText("C:\windows\PrinterList2.txt", My.Computer.FileSystem.ReadAllText("C:\windows\PrinterList.txt").Replace("IT", "ADM-IT"), False) For example, I need it to replace "IT" with "ADM-IT" and "AR" with "ADM-AR" and possibly a hundred or so more. How can I get it to loop to do them all? Running this line of code over and over just overwrites the file with the last item for replacement. Thanks in advance.

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