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  • Call C (exposed) function from COBOL program

    - by Sunscreen
    Hi, Some time ago, I had created a DLL to be used in another C program. Basically I exposed specific functions by using the following within my dll: void __declspec(dllexport) MyFunc(myFirstArg, mySecondArg); Then I added an external file (MyExposedDll.h) with all exposed functions and structures to the new C program and included it: include MyExposedDll.h Now how can I use this dll (or mainly a dll) to a Cobol function? I need to expose a function that has two char* arguments and returns a boolean. Thanks, Sun

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  • What is the correct way to create a single instance application?

    - by Nidonocu
    Using C# and WPF under .net (rather than WindowsForms or console), what is the correct way to create an application that can only be run as a single instance? I know it has something to do with some mythical thing called a mutex, rarely can I find someone that bothers to stop and explain what one of these are. The code needs to also inform the already running instance that the user tried to start a second one, and maybe also pass any command line arguments if any existed.

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  • how to add a "Please select" to a dropdown box

    - by oo
    i have the following code in an asp.net mvc view. <% = Html.DropDownList("Filter", new SelectList(Model.Items, "Id", "Name", 0), new { @id = "Filter", @class = "autoComplete1" })%> i want to add an element at the top of the dropdown as the first item that says, "Please select". do i have to add that into my Model.Items or is there a way i can add that element into the view and ignore the selection of that first element ??

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  • Is or Are to prefix boolean values

    - by Brian T
    When naming a boolean, or a function returning a boolean it's usual to prefix with 'is' e.g. isPointerNull isShapeSquare What about when refering to multiple items, should it be: arePointersNull or isPointersNull areShapesNull or isShapesNull I can see arguments for both; is offers consistency and perhaps slightly better readability, are makes the code read in a more natural way. Any opinions?

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  • How to call Java method from C++

    - by fhucho
    Hi, I am using JNI to call my C++ function from Java. One of the C++ function's arguments is jobject thiz (as far as I know, all JNI native functions have this argument). The function takes quite long to complete and I want to report progress back to the jobject thiz Java object, so that I can show the progress to the user. How can I call jobject's methods from C++?

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  • Multiple instance_of?

    - by c00lryguy
    How would I make Object#instance_of? accept multiple arguments so that something like the below example would work? class Foo; end class Bar; end class Baz; end my_foo = Foo.new my_bar = Bar.new my_baz = Baz.new my_foo.instance_of?(Foo, Bar) # => true my_bar.instance_of?(Foo, Bar) # => true my_baz.instance_of?(Foo, Bar) # => false

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  • exceptions thrown terminate the script?

    - by fayer
    i wonder if exceptions that are thrown in php will terminate the script in php? cause when i save an entry that is already created in doctrine it throws an exception. i catch the exception and ignore it (so that the user won't see it) but the script seems to be terminated. is there a way to catch the exception and keep the script alive? thanks

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  • Drupal menu permissions question

    - by Luke
    I'm creating an admin module for my client that gives then access to some administration functionality concerning their content. I'm starting off my adding some permissions in my module by implementing hook_perm: function mymodule_perm() { return array( 'manage projects', ); } I can then create my menu by adding to the admin section that already exists: function mymodule_menu() { $items['admin/projects'] = array( 'title' => 'Projects', 'description' => 'Manage your projects.', 'page callback' => 'manage_projects_overview', 'access callback' => 'user_access', 'access arguments' => array('manage projects'), 'type' => MENU_NORMAL_ITEM, 'weight' => -100, ); $items['admin/projects/add'] = array( 'title' => 'Add project', 'access arguments' => array('manage projects'), 'page callback' => 'mymodule_projects_add', 'type' => MENU_NORMAL_ITEM, 'weight' => 1, ); return $items; } This will add a Projects section to the Administration area with an Add project sub section. All good. The behavior I want is that my client can only see the Projects section when they log in. I've accomplished this by ticking the "manage projects" permission for authenticated users. Now to give my client actual access to the Administration area I also need to tick "access administration pages" under the "system module" in the users permissions section. This works great, when I log in as my client I can only see the Projects section in the Administration area. There is one thing though, I my Navigation menu shown in the left column I can see the following items: - Administer - Projects - Content management - Site building - Site configuration - User management I was expecting only the see Administer and Projects, not the other ones. When I click e.g. Content Management I get a Content Management titled page with no options. Same for Site Building, Site Configuration and User Management. What's really odd is that Reports is not being shown which is also a top level Administration section. Why are these other items, besides my Projects section, being shown and how can I make them stop from appearing if I'm not logged in as administrator?

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  • In gzip libary, what's the difference between 'uncompress' and 'gzopen' ?

    - by Sol
    There are some functions to decompress in zlib library(zlib version 1.2.3) I want to decompress my source zip(.gz) file using 'uncompress' function. It is now working(error code -3) but gzopen is. It is still not working when I input payload pointer(passing gzip header) to 'uncompress' . So the question is "What's the valid arguments for uncompress function?" and If it needs different format, how can I make it? Google doesn't helpful this time :(

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  • mfc, how can i make a proccess in an OnLButtonDown() event happen again and again untill i live the

    - by Erez
    What happen untill now is this... Any line happens once, and if i use a while(1) or while (nFlags == MK_LBUTTON) its working as it should but i get a crash... The other problem, or mabye the same one is the delay if i will be able to do it, mabye using while() with Timer()????? I was thinking about Timer() to recall the function with delay but i can't call OnLButtonDown() becouse as i understand it only a messege can call it with the arguments..... 10x

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  • How to make this if statement in bash

    - by Selmak
    Hi, I'm having a hard time figuring out how to do this if statement. I want to do this: IF (the function has only 1 argument AND $1 is a directory (in the current folder)) OR IF (the function has 2 arguments AND $1 is NOT a directory ) THEN .... END Sorry if it's not very clear, Thanks in advance

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  • F# compilation error: Unexpected type application

    - by Jim Burger
    In F#, given the following class: type Foo() = member this.Bar<'t> (arg0:string) = ignore() Why does the following compile: let f = new Foo() f.Bar<Int32> "string" While the following won't compile: let f = new Foo() "string" |> f.Bar<Int32> //The compiler returns the error: "Unexpected type application"

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  • Crash the program with cmd line args

    - by Debanjan
    Lets us consider the following program : #include <stdlib.h> int main(int argc, char **argv){ int a,b; if (argc != 3) return -1; a = atoi(argv[1]); b = atoi(argv[2]); a = b ? a/b : 0; return a; } The task is to crash the program by providing arguments in command-line.

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  • PHP syntax question: global $argv, $argc;

    - by Andrew
    So I have a PHPUnit test, and found this code within a function. global $argv, $argc; echo $argc; print_r($argv); I understand what these variables represent (arguments passed from the command line), but I've never seen this syntax before:global $argv, $argc; What specifically is going on here?

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  • ASP.Net (C#) & MSQL -or- PHP & MySQL for Performance?

    - by Mike Curry
    Money, Staff, Skill and preference to open source or commercial is neutral. Lets take the best of the best programmers (for arguments sake) and think about this: What will perform better overall: PHP & MySQL or ASP.Net & Microsoft SQL (I don't want biased answers, just looking for Performance, and Speed).

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  • Doctrine: how to create a query using "LIKE REPLACE" ?

    - by user248959
    Hi, this SQL clause is working OK: SELECT * FROM `sf_guard_user` WHERE nombre_apellidos LIKE REPLACE('Mar Sanz',' ','%') Now I'm trying to write this query for Doctrine. I have tried this: $query->andWhere(sprintf('%s.%s LIKE REPLACE (?," ","%")', $query->getRootAlias(), $fieldName), 'Mar Sanz')); but I get this error: Warning: sprintf() [function.sprintf]: Too few arguments Any idea? Regards Javi

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  • Parsing result of Diff in Shell Script

    - by Saobi
    I want to compare two files and see if they are the same or not in my shell script, my way is: diff_output=`diff ${dest_file} ${source_file}` if [ some_other_condition -o ${diff_output} -o some_other_condition2 ] then .... fi Basically, if they are the same ${diff_output} should contain nothing and the above test would evaluate to true. But when I run my script, it says [: too many arguments On the if [....] line. Any ideas?

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  • "unadd" a file to svn before commit

    - by Lowgain
    I was in the middle of doing a recursive svn add/commit, and a folder which did not have the proper ignore properties was included. I've got about 100 uploaded binary files versioned now, but I haven't committed yet. What is the easiest way to 'undo' this, without deleting all the documents? Thanks!

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