[ad_1] Hmmm Some task… Do one thing create a pointer of that class in your cpp file and assign memory to it using heap allocation. class *myfield = (class*)malloc(no_of_instances*sizeof(class)) Now use that object which is there in your header file assign myfield’s address to that object(hope that is pointer) Now it should work fine.. try … Read more
[ad_1] The problem is that you’re not ensuring that the steps in your walk are valid. The way you have it currently, walk could pick a neighboor that is out of the bounds of the maze. For example, if a maze is 5×5, attempting to access maze[5][?] or maze[?][5] will result in an IndexError like … Read more
[ad_1] For a consider this : /*Outputs a serious of 5 numbers, starting at 1. The difference between one number to the next one is a sequence of numbers, starting at 1 and incremented by 1 i.e: 1,2,3,4,5 */ //represents the difference between one number and the next one. //the first difference is 1. int … Read more
[ad_1] You need to add a file called config.ru to your root/ directory. config.ru is the configuration file for rackup, and controls what rackup will actually run. Look at section 2.3 for an explanation: http://guides.rubyonrails.org/rails_on_rack.html To use rackup instead of Rails’ rails server, you can put the following inside config.ru of your Rails application’s root … Read more
[ad_1] Try die() like following in your php file: $connection = mysqli_connect($host,$user,$password,$database); /* check connection */ if (mysqli_connect_errno()) { die(“Connect failed: “, mysqli_connect_error()); } $query=”insert into users(firstname, lastname)VALUES(‘”.$_REQUEST[‘nome’].”‘,'”.$_REQUEST[‘cognome’].”‘)”; if ($result = mysqli_query($connection ,$query)) { print(“Success!”); } 3 [ad_2] solved Connect to Database and Insert data – Php & MySQL –
[ad_1] You have to create your service (which you can see by clicking right start menu bar and task manager). To create your service you have to open cmd as an adminstrator. Then write cd where/your/ sql/bin/. After that, write mysqld -install – you should see service succesfully installed. Go to services from task manager, … Read more
[ad_1] It’s a bit confusing. Readme does say you need to install components The readme.md address this issue. Let me quote it for you Component Installation If you intend to view or modify the Setup project’s forms, you must install the following component units, which can be found in the Components directory. BidiCtrls BitmapImage FolderTreeView … Read more
[ad_1] Your break is the culprit… When you use break it breaks out of the loop. So use, (Note: You don’t need an else if, just else should be sufficient). if(answer.equals(“y”)){ yn = true; } else { yn = false; } without break statement. Also use a condition (not assignment) inside while, while(yn == true) … Read more
[ad_1] simple using replaceAll() using ^\\d+|\\d+$ regex that looks for digits in the beginning and ending of the line. System.out.println(“1adfds23dfdsf121”.replaceAll(“^\\d+|\\d+$”, “”)); output: adfds23dfdsf EDIT Regex explanation: ^ Start of line \d+ Any digit (one or more times) | OR \d+ Any digit (one or more times) $ End of line 3 [ad_2] solved How to … Read more
[ad_1] You are not printing the result instead you are returning it. So you could either print the function print(quiz()) or change the return for a print inside the quiz function. def quiz(): print(‘Welcome. This is a 10 question math quiz\n’) score = 0 for i in range(10): correct = askQuestion() if correct: score += … Read more
[ad_1] width % calculates entire width including border and padding. so all we need is width = 400 – (20 x 2)(padding) = 360 i.e. 90%. .parent { border:1px solid black; height:100px; padding:20px; position: relative; width:400px; } .child { border:1px solid red; height:50px; position:absolute; display:block;width:90%;} [ad_2] solved How to fixed child div position in parent … Read more
[ad_1] I am slightly confused to what you are asking. I have not used Apache Fop, but will try answer this question. If you want to read PDF file as byte array use input streams instead. But if you want to use ByteArrayOutputStream that is writing bytes you basically answered your own question, try using … Read more
[ad_1] I recommend you use ZXing library from google http://code.google.com/p/zxing/ Android Barcode Scanner, uses that library and its performance is succesful [ad_2] solved how can i scan QR code using android camera? [duplicate]
[ad_1] This is intentional, since v2.0 you can only get the friends who authorized your App too, for privacy reasons. An App should not be able to get data of friends who don´t use the App. See the changelog for more information: https://developers.facebook.com/docs/apps/changelog Also, see this thread (and countless others) about the same topic: Facebook … Read more
[ad_1] There are multiple issues with your program. Let me list all of them one by one. As mentioned in one of the comments, You are immediately deallocating memory just after you allocated it. Definitely this will result in a segmentation fault or memory access violation when you access deallocated memory. When you allocate the … Read more