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  • copy C'tor with operator= | C++

    - by user2266935
    I've got this code here: class DerivedClass : public BaseClass { SomeClass* a1; Someclass* a2; public: //constructors go here ~DerivedClass() { delete a1; delete a2;} // other functions go here .... }; My first question is as follows: Can I write an "operator=" to "DerivedClass" ? (if your answer is yes, could you show me how?) My second question is: If the answer to the above is yes, could you show me how to make an "copy c'tor" using the "operator=" that you wrote beforehand (if that is even possible)? Your help would be much appreciated !

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  • How to see contents of deployed datasource?

    - by callisto
    I've inherited a project (without a handy handover) that contains reports published to a Reporting Server (2005). MY SSRS knowledge is 4 years stale, so I need your help. I need to edit one of the published reports, is this possible? I also want to peek into the Data Source on the RS, coz that's probably where I can change stuff. I'll add more info as I get a better understanding of what exactly to ask. EDIT: I found a project for some of the reports, opened up in VS2005 BI. Still, how do see where the Data Source gets its data? It brins back 56 fields but I dont know which tables/stored procs/queries are used to get these.

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  • Compiling C-dll for Python OR SWIG-module creation, how to continue ??

    - by ljuju
    I reference this file "kbdext.c" and its headerfile listed on http://www.docdroppers.org/wiki/index.php?title=Writing_Keyloggers (the listings are at the bottom). I've been trying to compile this into a dll for use in Python or Visual Basic, but have not succeeded. I'm not familiar with C or GCC to sort out the problems or do the dll compile correctly. (I also get an error about snprintf not being declared when doing a regular compile of all the files). What are the steps I should do to make all functions available for other languages and external apps? Or is it perhaps easier to use SWIG and make a python module, instead of compiling a DLL?

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  • Checking for duplicates with nested forms

    - by Cyrus
    I'm making a rails 3.2.9 app that allows users to create pages and they can embed youtube videos through a nested form. I'm trying to figure out how to make it so that I can prevent duplicate video records from being stored in my db. So I have a Video model that takes the youtube url and just parses out the video id and stores that instead of the full user submitted youtube url, which may have extraneous url query parameters. So here's the situation that I'm trying to figure out: There's page1 with video1 - url: 123 and video2 - url: abc Then another user creates page2 and submits video3 - url: def and video4 - url: 123 Currently each page has_many videos. But I think I should change it to a many-to-many relationship. But how would I make it so that the url submitted as video4 in the nested form points to video1? Also I how would I make a nested form that creates objects that are connected through a join table?

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  • Cocoa Interface Builder object initialization

    - by Stanley
    Base on the documentation and sample code that I have gone through, I got an impression that when a class defined in xcode is read into and configured in Interface Builder, an object based on the class is effectively created and stored in an xib or nib file. So the object is ready to be used when the corresponding application is launched. Alternatively, for classes that have not been handled by Interface Builder, code such as the "new" statements have to be written in xcode explicitly in order for the associated objects to be created and used. It will be very nice to have people who are more knowledgable than me to confirm or to correct my very naive understanding of Interface Builder ...

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  • For improving the join of two wave files

    - by kaki
    i want to get the values of the last 30 frames of the first wav file and first thirty frames of the second wave file in integer format and stored in a list or array. i have written the code for joining but during this manupalation i am getting in byte format and tried to convert it to integer but couldn't. as told before i want to get the frame detail of 1st 30 and last 30 in integer format,and by performing other operations join can be more successful looking for your help in this,please... thanking you, import wave m=['C:/begpython/S0001_0002.wav', 'C:/begpython/S0001_0001.wav'] i=1 a=m[i] infiles = [a] outfile = "C:/begpython/S0001_00367.wav" data= [] data1=[] for infile in infiles: w = wave.open(infile, 'rb') data1=[w.getnframes] #print w.readframes(100) data.append( [w.getparams(), w.readframes(w.getnframes())] ) #print w.readframes(1) #data1 = [ord(character) for character in data1] #print data1 #data1 = ''.join(chr(character) for character in data1) w.close() print data output = wave.open(outfile, 'wb') output.setparams(data[0][0]) output.writeframes(data[0][1]) output.writeframes(data[1][1]) output.writeframes(data[2][1]) output.close()

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  • HttpSessionState Where, How, Advantages?

    - by blgnklc
    You see the code below, how I did use the session variable; So the three questions are; 1- Where are they stored? (Server or Client side) 2- Are they unique for each web page visitor? 3- Can I remove it using ajax or simple js code when my job is done with it? or it will be removed automatically..? sbyte[][] arrImages = svc.getImagesForFields(new String[] { "CustomerName", "CustomerSurName" }); Dictionary<string, byte[]> smartImageData = new Dictionary<string, byte[]>(); int i = 0; foreach (sbyte[] bytes in arrImages) { smartImageData.Add(fieldNames[i], ConvertToByte(bytes)); i++; } Session.Add("SmartImageData", smartImageData);

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  • Documentation for Qt documentation comments? Qt + Doxygen?

    - by Jake Petroules
    Where can I find documentation for Qt documentation comments? I'm referring to how Qt uses a specific style for documentation comments, like so: /*! \class MyClassName \brief The MyClassName class is used as an example on Stack Overflow. This class serves a few functions, the most important being: \list \i So people can understand my question. \i So people can have a few laughs at the comedy in my example. \endlist */ ...you get the picture. So where can I find information about all the switches, like \class, \list, \brief, etc. Also, what tool(s) do I use to generate documentation files from these comments in my source files? Does Doxygen support this syntax?

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  • Validate decimal number in (known) national format

    - by Álvaro G. Vicario
    PHP has many built-in functions to validate numbers but they all expect input in computer format: 1234.56. I need to validate stuff like 1,234.56 (English) or 1.234,56 (Spanish), together with some typical attributes (accepted range, max number of decimals, etc.). I started writing my own function but I soon got lost. It's easy to read the user input into a float variable but I want to be able to detect numbers with invalid formats like 1,23456.7 or 1..25. Do you have any recommendation on the subject? (Decimal and thousand characters are known beforehand and it's okay to hard-code digit groups as three, there's no need to cover Indian number format.)

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  • scripting subtlties [closed]

    - by jpmyob
    Possible Duplicates: When to use anonymous JavaScript functions? Is there any difference between var name = function() {} & function name() {} in Javascript? in javascript (and other scripting languages) what is the 'real' difference between these two syntax: a) function myFun(x) { yadda yadda } b) myFun(x) = function { yadda yadda } to a casual observer - no 'real' difference - you still call either as myFun()...and they still return the same thing, so if reference and return are identical - is it a preference or is there some difference in the code parsing engine that treats these two differently - and if so - when would you use one over the other???

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  • C# Dynamic From Components (Performance problem)

    - by Svisstack
    Hello, I have a problem with performance of my code under Windows Forms. Have a form, her layout is depending on constructor data, because he layout must be OnLoad or in Constructor generated. I generation is simple, base FlowLayoutPanel have other FlowLayoutPanels, for each have a Label and TextBox with DataBinding. Problem is this is VERY SLOW, up to 20 seconds, i drawing less than 100 controls, from Performace Session i know a problem is on 70% procesing functions: System.Windows.Forms.Control.ControlCollection.Add(class System.Windows.Forms.Control) System.Windows.Forms.ControlBindingsCollection.Add(class System.Windows.Forms.Binding) How i can do with this? Anyone help me in this problem? How solve the dynamic form layout problem?

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  • Drupal: How to render a form and table on same page

    - by Aaron
    Can someone help me render a form and table on the same page? I'm sure it's easy, but can't think of how to do it. Here's hook_menu: function ncbi_subsites_menu() { $items = array(); $items['admin/content/ncbi_subsites'] = array( 'title' => 'NCBI Subsites Module', 'description' => 'Informs Drupal about NCBI subsites as defined by the Content Inventory database', 'page callback' => 'ncbi_subsites_show_main_page', 'access arguments' => array( 'administer site configuration' ), 'type' => MENU_NORMAL_ITEM, ); return $items; } Here's the callback: function ncbi_subsites_show_main_page() { $subsites = ncbi_subsites_get_subsites_from_inventory(); // fnc returns associative array from inventory, defined in include return ncbi_subsites_make_table( $subsites ); } In the callback I call some helper functions that return a themed, paged table. What I want is a small form above the table. How would I that?

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  • Connect to a DB with an encrypted password with Django?

    - by Liam
    My place of employment requires that all passwords must be encrypted, including the ones used to connect to a database. What's the best way of handling this? I'm using the development version of Django with MySQL at the moment, but I will be eventually migrating to Oracle. Is this a job for Django, or the database? Edit: The encrypted password should be stored in the settings.py file, or somewhere else in the filesystem. This is the password that will be used to connect to the database.

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  • How to create a database connectivity sqlserver2000 through J2ME.

    - by sunneetha
    Hi All I want some helps from the professional people who know a lot in the J2Me. I work on a mobile application that the user will be stored and retreve the data from the database using sqlserver 2000. iam new in this area ( J2ME ) and I don’t know a lot, so I want help to finish this application, please... one more, j2me is not directly support the database connectivity for that purpose we can achive with the help of servlets. insted of servlets can we use JSP's for databaseconnectvity. please tell any one.

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  • Is there an open source repository for SQL code?

    - by morpheous
    I find myself writing SQL code (queries or stored procs) to solve problems that can definitely be defined as 'patterns' that occur frequently in business. Rather than having to wrack my brain each time I encounter a new problem (which must have been solved a countless times by other coders/db analysts, I wondered if there was a repository I could go to check out (peer reviewed) code - and maybe add my two pence every now and then. I know different db vendors tend to write slightly variant forms of SQL - but there could still be a repository with ANSI stuff and proprietary stuff. Hopefully, such a site would encourage more people to write standardized SQL. Is there such a site?. If no - why not? (would anyone else be interested in such a site?) If such a site exists, please provide link(s), as Google is not finding anything remotely useful.

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  • how to handle signout when the browser in close in flex 3?

    - by kumar1425
    my project had audit module ,which inlcude each and every action of the user to be recoreded so when the user closes the browser the audit regarding the logout has to be stored in the database i found one solution in the net ,but it is working in my machine's IE but falied to work in the friends machines IE why? the code is: window.onbeforeunload = clean_up; function clean_up() { var flex = document.${application} || window.${application}; flex.myFlexFunction(); } i place this code in the index.template.html file in the html-template foleder under flex src and i place the below code in my main application.mxml file ExternalInterface.addCallback("myFlexFunction",btnLogout); and i defined the logout funtion if any one has solution plz answer me............. thank you..................

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  • Using Dom Objects in PHP, the default namespace is redeclared in some nodes.

    - by TomcatExodus
    I'm working on a template engine, having migrated from regex driven to DOM driven. It appears though, that whenever I create a DomDocumentFragment to encapsulate some portion of a document temporarily, the namespace attribute is added to each node in the fragment. Since my default namespace for a given document will 99% of the time be XHTML, it's adding the XHTML namespace declaration. Being the default namespace, this seems fruitless, and ultimately nodes in any other namespace will be stripped out at render time anyways. Aside from iteratively removing namespace attributes, is there some way I can prevent this from occurring to begin with? Its quite problematic, as this will likely increase render time filesize considerably, as large portions of a given document may be stored in a fragment. I've tried $doc->normalizeDocument(), but as I assumed, it did nothing.

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  • TSQL - compare tables

    - by Rya
    I want to create a stored procedure that compares the results of two queries. If the results of the 2nd table can be found in the first, print 'YES', otherwise, print 'No'. Table 1: SELECT dbo.Roles.RoleName, dbo.UserRoles.RoleID FROM dbo.Roles LEFT OUTER JOIN dbo.UserRoles ON dbo.Roles.RoleID = dbo.UserRoles.RoleID WHERE (dbo.Roles.PortalID = 0) AND (dbo.UserRoles.UserID = 2) Table 2: Declare @RowData as nvarchar(2000) Set @RowData = ( SELECT EditPermissions FROM vw_XMP_DMS_Documents where DocumentID = 2) Select Data from dbo.split(@RowData, ',') For example. Table 1: John Jack James Table 2: John Sally Jane Print 'YES' Is this possible??? Thank you all very much. -R

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  • javasrcipt asyncronous function

    - by Ben
    Hi there, i have a problem understanding how this could/should be solved. I have two functions. In the first function ( I call it loadData() ) I'm doing an asyncronous request to the server to load some data. In the second function ( saveData() ) I'm also doing an asyn request to the server to write some data. In the callback of this request I'm callin loadData() to refresh the data. Now the problem: In the saveData() function I want to wait for loadData() to be finished bevore I show a dialog (like alert('Data saved')) I guess this is a common problem, but I couldn't find the solution for it (if there is one..) A solution would be to make the requests syncronous, but the framework I'm using doesn't offer that and I hope there's a better solution.. Thanks to all!

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  • What's the best/easiest way to compare two times in Objective-C?

    - by Andy
    I've got a string representation of a time, like "11:13 AM." This was produced using an NSDateFormatter and the stringFromDate: method. I'd like to compare this time to the current time, but when I use the dateFromString: method to turn the string back into a date, a year, month and day are added - which I don't want. I just need to know if right now is < or the time stored in the string. What's going to be the best way to handle that? Thanks in advance for your help.

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  • Regarding PID Shell Script

    - by arav
    I am calling another shell script testarg.sh within my main script. the logfiles of testarg.sh are stored in $CUSTLOGS in the below format testarg.DDMONYY.PID.log example: testarg.09Jun10.21165.log In the main script after the testarg process gets completed i need to grep the log file for the text "ERROR" and "COMPLETED SUCCESSFULLY". How do i get the PID of the process and combine with DDMONYY for grepping. Also i need to check whether file exists before grepping $CUSTBIN/testarg.sh $CUSTBIN/testarg.sh rc=$? if [ $rc -ne 0 ]; then return $CODE_WARN fi

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  • How do I not include part of a regular expression

    - by Axilus
    I'm pretty new to using regexes and I can figure out how I would go about extracted a specific number from a string. Suppose the string was any amount of whitespace or random text and somewhere within it is this, "Value: $1000.00." In order to retrieve that value I am currently using this: string value = Convert.ToString(Regex.Match(BodyContent, @"Value:[ \t]*\$?\d*(\.[0-9]{2})?", RegexOptions.Singleline)); So the variable 'value' now has, "Value: $1000.00" stored in it. My question is, using Regex is there a way to use 'Value:' to find the number value but only store the actual number value (i.e. 1000.00) in the 'value' variable?

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  • Go - Concurrent method

    - by nevalu
    How to get a concurrent method? In my case, the library would be called from a program to get a value to each argument str --in method Get()--. When it's used Get() then it assigns a variable from type bytes.Buffer which it will have the value to return. The returned values --when it been concurrently called-- will be stored into a database or a file and it doesn't matter that its output been of FIFO way (from method). type test struct { foo uint8 bar uint8 } func NewTest(arg1 string) (*test, os.Error) {...} func (self *test) Get(str string) ([]byte, os.Error) { var format bytes.Buffer ... } I think that all code inner of method Get() should be put inner of go func() {...}(), and then to use a channel. Would there be a problem if it's called another method from Get()? Or would it also has to be concurrent?

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  • Using Components.utils.import in a firefox extension

    - by jamesatha
    I am trying to create some global variables in a firefox extension. In my content folder, I have two javascript files: 1) Main JS file that holds the functions for the different events, etc 2) A file that stores only an object with the pieces of state I want to maintain. Also, I set the array EXPORTED_SYMBOLS. I am having issues with the following line found in my main JS file: Components.utils.import("resource:///globalVariables.js"); When it is at the top of the file, nothing seems to work. If I move it into the function where I need the variable, the rest of my code works, but the function with this line does nothing. Any advice that would help me with this problem would be great. Thanks

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  • Ajax, not sending querystring data

    - by Tom Gullen
    var http = false; // Creates xmlhttp object if (navigator.appName == "Microsoft Internet Explorer") { http = new ActiveXObject("Microsoft.XMLHTTP"); } else { http = new XMLHttpRequest(); } http.onreadystatechange = function() { if (http.readyState == 4) { alert(http.responseText); } } // Functions to calculate optimum layout etc. function compute() { var statusSpan = document.getElementById("cwStatus"); document.getElementById("fader").style.display = ""; document.getElementById("computingWait").style.display = ""; statusSpan.innerHTML = "<b>Status:</b> Realigning sattelites" http.open("GET", "alg.aspx?cr=8&cc=7&sq=3,3", true); http.send(null); } This code sort of works, but the querystring data isn't being passed through. It keeps returning an ASPX error page which only happens when there is no querystring data. Thanks for any help

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