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  • Have macro 'return' a value

    - by bobobobo
    I'm using a macro and I think it works fine - #define CStrNullLastNL(str) {char* nl=strrchr(str,'\n'); if(nl){*nl=0;}} So it works to zero out the last newline in a string, really its used to chop off the linebreak when it gets left on by fgets. So, I'm wondering if I can "return" a value from the macro, so it can be called like func( CStrNullLastNL( cstr ) ) ; Or will I have to write a function

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  • logarithms in python

    - by Srikanth
    write a program to find the sum of the logarithms of all the primes from 2 to some number n, and print out the sum of the logs of the primes, the number n, and the ratio of these two quantities in python

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  • XSLT processing with Qt

    - by swegi
    Hi, I like to display some (X)HTML content in a Qt application using QtWebKit. The content should be generated from XML documents via XSLT. As I am new to Qt, my questions are as follows: 1) Can QtWebKit display XML documents with the xml-stylesheet element set? 2) Can Qt apply XSLT to an XML document and return the result as a string or write it to a file?

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  • Windows [C++] - Creating new folders if they don't exist for fopen

    - by Gbps
    I have a C++ program that takes user input for fopen in order to initiate a file write. Could someone help me find a function which will return a FILE* and use the Windows specific version of mkdir in order to create the folder structure for fopen to never fail to open a new file in the specified location because one of the folders does not exist. Thanks a bunch!

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  • concurrentmodificationexception hashmap in java

    - by chetan
    I write following code but when this run it generate concurrentmodificationexception if( attendancePolicy.getType().equals( AttendanceConstants.EMPLOYEE_ATTENDANCE_POLICY ) ) { synchronized( attendancePolicy.getListEmployee() ) { for( EmployeeAttendancePolicy employeeAttendancePolicy : attendancePolicy.getListEmployee() ) { employeeInfo = employeeInfoSessionBeanLocal.findEmployeeInfoEntityByEmployeeInfoId( employeeAttendancePolicy.getEmployeeId() ); if( employeeInfo != null ) { employeeAttendancePolicy.setEmpName( employeeInfo.getFirstName() + " " + employeeInfo.getMiddleName() + " " + employeeInfo.getLastName() ); company = companySessionBeanLocal.findCompanyById( employeeInfo.getCompanyId() ); employeeAttendancePolicy.setCompanyName( company.getName() ); department = departmentSessionBeanLocal.findDepartmentEntityByDepartmentId( employeeInfo.getDepartmentId() ); employeeAttendancePolicy.setDepartmentName( department.getName() ); } else { attendancePolicy.getListEmployee().remove( employeeAttendancePolicy ); } } } }

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  • How to send file to remote computer?

    - by Phsika
    i can get file name via below codes. How can i send this file to remote computer. this remote computer ip: 192.168.2.105 also i can use 51124 port class Program { static void Main(string[] args) { string[] dosyalarinYollari = System.IO.Directory.GetFiles(@"z:\20071008\1.2.392.200036.9116.2.6.1.48.1215563310.1191800303.305777\", "*.dcm", System.IO.SearchOption.AllDirectories); foreach (string s in dosyalarinYollari) { Console.Write(s+"\n"); // i need to send tihs s file to remote machine } Console.ReadKey(); } }

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  • How to merge multiple arrays in pairs

    - by user3688059
    I have a problem with "pairing" arrays into one (by index). Here is an example: INPUT: inputArray = [ [0, 1, 2, 3, 4], [2, 3, 5, 7, 8], [9, 6, 1] ] OUTPUT: outputArray = [ [0,2,9], [1,3,6], [2,5,1], [3,7,chooseRandom()], [4,8,chooseRandom()]] Questions: 1) How to avoid out of range problem 2) How to write chooseRandom() to choose N neighbour I'm using python but feel free to share your thoughts in any language.

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  • How to check in which position (landscape or portrait) os the iPhone now?

    - by Knodel
    I have an app with a tab bar, and nav controllers in each tab. When user shakes the device, a UIImageView appears as a child view in the nav controller. But the UIImageView must contain a special image, depending on the device's current orientation. If I write just - (void)willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation) if (interfaceOrientation == UIInterfaceOrientationPortrait|| interfaceOrientation == UIInterfaceOrientationPortraitUpsideDown) { //Code } else if (interfaceOrientation == UIInterfaceOrientationLandscapeRight||interfaceOrientation == UIInterfaceOrientationLandscapeLeft) { //Code } } The view just goes crazy if user rotated the device before shaking. Is there a method to get iPhones current orientation?

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  • grid traversal question

    - by Kensay
    Given a grid of any height and width, write an algorithm to traverse it in a spiral. (Starting at the top left and ending in the middle) without passing over previously visited nodes. Without using nested loops.

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  • encode video is reverse?

    - by bob
    Hi, Does anyone know if it is possible to encode a video using ffmpeg in reverse? (So the resulting video plays in reverse?) I think I can by generating images for each frame (so a folder of images labelled 1.jpg, 2.jpg etc), then write a script to change the image names, and then re-encode the ivdeo from these files. Does anyone know of a quicker way? This is an FLV video. Thank you

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  • transpose graph

    - by rana123
    how can i write program in java to find the transpose of the graph G, where the input and the output of the program are represented as adjacency list structure. for example: input: 12341 outout: 1432

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  • How to query by recent date and value in SQL?

    - by wsb3383
    I have a table with three columns: patient_id, obs_date, and weight_val. patient_id stores patient identification #, weight_val stores a weight value, and obs_date stores the date when the weight reading was taken. So, a patient can have many different weight readings at different dates. How do you write a query for: select all patients whose last weight reading is 120?

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  • Google App Engine query data store by a string start with ...

    - by Frank
    How to write a query that can find me all item_number start with a certain value ? For instance there are item_numbers like these : 123_abc 123_xyz ierireire 321_add 999_pop My current query looks like this : "select from "+PayPal_Message.class.getName()+" where item_number == '"+Item_Number+"' order by item_number desc" What's a query look like that can return all item_numbers start with "123_" ?

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  • image url helper for sinatra?

    - by yaya3
    I'm looking for an image url helper for sinatra that allows me to do something similar to staticmatic's, where I can shortcut to a relative path like so... =img "me.jpg" Can anybody point me in the direction to where this might be online, or where I could learn how to write one, or provide an example of one they have already written Many thanks

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