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  • XCode C++ source code print issue on Mac

    - by George2
    Hello everyone, I am using MacBook Pro Mac OS 10.5 with related version of XCode. I am new to this development environment. I am developing C++ console/terminal applications (File-New project, then from the list on the left "Command line utility", and on the right "C++ tool".). For C++ source code file, I want to print source file content with line number. Any ideas how to do this? thanks in advance, George

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  • Windows Mobile 7 corporate device...

    - by Toymaker
    Does anyone know of a Windows Mobile 7 device aimed at business use? I’m looking for something with bar code scanning capability. Psion, hand held, and honeywell only offer 6.5 at the moment. Granted, Windows Mobile 7 just barely came out and these sorts of devices usually lag a bit behind consumer toys...but hopefully someone can help.

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  • Why does this python code work?

    - by Int-0
    I have written a simple python module, it has this code: _log = logging.getLogger("mymodule") _started = False def set_log_level(level): _log.setLevel(level) if not _started: _hdlr = logging.FileHandler('mymodule.log') When I call set_log_level() program fails because symbol _started is not found. It is normal because global _started is missing in the method. But my question is: symbol _log has the same visibility as _started, so why does this symbol can be found? BR, // Toby

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  • Code Sign Error When Building iPhone Application

    - by Apache
    I am new to iPhone development. I just registered with Apple for the iPhone Developer Program. When I try to build, I am receiving an error: Code Sign error: a valid provisioning profile matching the application’s identifier could not be found I'm not sure what is wrong. I tried browsing the Internet but I get confused. Can anyone help me with what I should do?

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  • Problem with Free SMTP Server in php code

    - by Nuha
    I wrote php code for use to contact us form but I can not find free SMTP server to use it. I Try to use SMTP Server For Gmail but I found this error. Warning: mail() [function.mail]: "sendmail_from" not set in php.ini or custom "From:" header missing in C:\www\htdocs\contactUs.php on line 25" line 25 is : mail ($to,$subject,$body,$headers); statement that indicate using Gmail SMTP Server is : ini_set("SMTP","smtp.gmail.com"); SO,can U help me ?:(

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  • My code doesn't recognize layout-xlarge-land?

    - by Justice Bauer
    I am trying to create a landscape and portrait mode only for tablets. For portrait mode I added the files under layout-xlarge and for landscape in tablets I added files under layout-xlarge-land, but just to test if its working I tried switching the background color under landscape to green, but it didnt seem to work. Is there anything else I need to alter for code to recognize landscape mode for tablets?

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  • What is wrong with this code? [closed]

    - by rajesh
    function checkLength(obj,url){ //alert("URL="+url+" OBJ="+obj); if(obj) { var params = 'query='+obj; var myAjax = new Ajax.Request(url, { method: 'post', parameters: params, onComplete: loadResponse }); } } The code isn't working, but I don't know why. I think I need to include other files, but I don't know which

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  • Store NSArray In Core Data Sample Code?

    - by Stunner
    Ey guys, I have been searching for some sample code on how to store an NSArray in Core Data for awhile now, but haven't had any luck. Would anyone mind pointing me to some tutorial or example, or better yet write a simple sample as an answer to this question? I have read this but it doesn't show an example of how to go about implementing a transformable attribute that is an NSArray. Thanks in advance!

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  • Need (logback)Teefilter sample code - sprinng/Eclipse

    - by user359942
    I am looking for more complete sample code on how TeeFilter of Logback can be used to log HTTP messages. I am trying to add this support to my Spring 3 (MVC)/Hibernate 3/Annotations Maven2 project. I have the config and xml files but I need to know where and how I can trigger this Filter to do the job for me in the Spring MVC framework. Any help will be greatly appreciated.

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  • When can Java produce a NaN (with specific code question)

    - by Brent
    I'm a bit perplexed by some code I'm currently writing. I am trying to preform a specific gradient descent (main loop included below) and depending on the initial conditions I will alternatively get good looking results (perhaps 20% of the time) or everything becomes NaN (the other 80% of the time). However it seems to me that none of the operations in my code could produce NaN's when given honest numbers! My main loop is: // calculate errors delta = m1 + m2 - M; eta = f1 + f2 - F; for (int i = 0; i < numChildren; i++) { epsilon[i] = p[i]*m1+(1-p[i])*m2+q[i]*f1+(1-q[i])*f2-C[i]; } // use errors in gradient descent // set aside differences for the p's and q's float mDiff = m1 - m2; float fDiff = f1 - f2; // first update m's and f's m1 -= rate*delta; m2 -= rate*delta; f1 -= rate*eta; f2 -= rate*eta; for (int i = 0; i < numChildren; i++) { m1 -= rate*epsilon[i]*p[i]; m2 -= rate*epsilon[i]*(1-p[i]); f1 -= rate*epsilon[i]*q[i]; f2 -= rate*epsilon[i]*(1-q[i]); } // now update the p's and q's for (int i = 0; i < numChildren; i++) { p[i] -= rate*epsilon[i]*mDiff; q[i] -= rate*epsilon[i]*fDiff; } This behavior can be seen when we have rate = 0.01; M = 30; F = 30; C = {15, 25, 35, 45}; with the p[i] and q[i] chosen randomly uniformly between 0 and 1, m1 and m2 chosen randomly uniformly to add to M, and f1 and f2 chosen randomly uniformly to add up to F. Does anyone see anything that could create these NaN's?

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  • How to get code coverage when testing Silverlight

    - by Anonymous
    I'm looking for code coverage solution which works with silverligt. It must also work with msbuild because we run all the other unit tests automatically in the build server. Integration with Visual Studio and/or resharper is a plus and I have nothing against easy setup or a pointer to a tutorial. I don't usually modify the build files and unfortunately I don't have time to learn msbuild at the moment.

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  • How to get data source for Spring Security Web in Java code

    - by user1443689
    I'm creating a ZK Web application which uses Spring Security for authentication and I'm trying to implement a create user function, where the administrator supplies the details and the user account is created. I've got to the part where I want to put this data into the database, but now I'm thinking I shouldn't hard code the connection to the database, there must be a way to get the connection details from the Spring Security configuration. Is there? If so how?

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  • What is wrong with this list comprehension code?

    - by suresh
    My aim is to list all elements of the array a whose values are greater than their index positions. I wrote a Haskell code like this. [a|i<-[0..2],a<-[1..3],a!!i>i] When tested on ghci prelude prompt, I get the following error message which I am unable to understand. No instance for (Num [a]) arising from the literal 3 at <interactive>:1:20 Possible fix: add an instance declaration for (Num [a])

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  • Where does that randomness come from ?

    - by Jules Olléon
    I'm working on a data mining research project and use code from a big svn. Apparently one of the methods I use from that svn uses randomness somewhere without asking for a seed, which makes 2 calls to my program return different results. That's annoying for what I want to do, so I'm trying to locate that "uncontrolled" randomness. Since the classes I use depend on many other, that's pretty painful to do by hand. Any idea how I could find where that randomness comes from ?

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  • This code appears to achieve the return of a null reference in C++

    - by Chuck
    Hi folks, My C++ knowledge is somewhat piecemeal. I was reworking some code at work. I changed a function to return a reference to a type. Inside, I look up an object based on an identifier passed in, then return a reference to the object if found. Of course I ran into the issue of what to return if I don't find the object, and in looking around the web, many people claim that returning a "null reference" in C++ is impossible. Based on this advice, I tried the trick of returning a success/fail boolean, and making the object reference an out parameter. However, I ran into the roadblock of needing to initialize the references I would pass as actual parameters, and of course there is no way to do this. I retreated to the usual approach of just returning a pointer. I asked a colleague about it. He uses the following trick quite often, which is accepted by both a recent version of the Sun compiler and by gcc: MyType& someFunc(int id) { // successful case here: // ... // fail case: return *static_cast<MyType*>(0); } // Use: ... MyType& mt = somefunc(myIdNum); if (&mt) // test for "null reference" { // whatever } ... I have been maintaining this code base for a while, but I find that I don't have as much time to look up the small details about the language as I would like. I've been digging through my reference book but the answer to this one eludes me. Now, I had a C++ course a few years ago, and therein we emphasized that in C++ everything is types, so I try to keep that in mind when thinking things through. Deconstructing the expression: "*static_cast(0);", it indeed seems to me that we take a literal zero, cast it to a pointer to MyType (which makes it a null pointer), and then apply the dereferencing operator in the context of assigning to a reference type (the return type), which should give me a reference to the same object pointed to by the pointer. This sure looks like returning a null reference to me. Any advice in explaining why this works (or why it shouldn't) would be greatly appreciated. Thanks, Chuck

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  • Grails-Write Selenium code inside a EasyB scenario.

    - by WaZ
    I am trying to write some selenium inside my scenario's. However, when I try to start Selenium using the following code: before "start selenium", { given "selenium is up and running", { selenium = new DefaultSelenium("localhost", 4444, "*firefox", "http://www.google.com.my/") selenium.start() } I get an error: Error running easyb tests: org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed, : 7: unable to resolve class DefaultSelenium I am trying to implement something like this http://www.theserverside.com/news/thread.tss?thread_id=55184 Much appreciated.

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  • What does this line of code mean?

    - by Victor
    Hi, I am wondering what this line of code mean? b = (gen_rand_uniform()>0.5)?1:0; The gren_rand_uniform() is a function to generate random 0 and 1 numbers. However I don't get the meaning for >0.5 and 1:0. I know this is supposed to be a basic question, please bear with me. Thanks!

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  • Can Prototype or JQuery return an HTTP status code on an AJAX request

    - by jotto
    url = "http://example.com" new Ajax.Request(url, { onComplete: function(transport) { alert(transport.status); } }); I'd like that to return a status of 200 if the site is working, or 500 if it is not working, etc.. But that code is returning 0 all the time. Ultimately, I want to have a setinterval function that regularly pings a website for uptime status.

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