On this page, it's written that One reason is that the operand of delete need not be an lvalue. Consider: delete p+1; delete f(x); Here, the implementation of delete does not have a pointer to which it can assign zero. Adding a number to a pointer shifts it forward in memory by those many number of sizeof(*p) units...
Hi, I've got a service which runs all the time and also keeps a log file. It basically adds new lines to the log file every few seconds. I'm written a small file which reads these lines and then parses them to various actions. The question I have is how can I delete the lines which I have already parsed from the log file without disrupt...
New to c++, and am having a problem with delete and destructor (I am sure i am making a stupid mistake here, but haven't been able to figure it out as of yet). When i step through into the destructor, and attepmt to call delete on a pointer, the message shows up "Cannot access memory at address some address." The relevant code is: /* ...
Hello I'm working on a project with Eclipse and by now everything was fine, but last time I've tried building it, it returned the error "The project was not built due to "Could not delete '/Torpedo/bin/bin'.". Fix the problem, then try refreshing this project and building it since it may be inconsistent Torpedo Unknown Java Prob...
#include <vector> using namespace std; int main() { vector<int> *list = new vector<int>[33]; delete[] list; return 0; } Any reason why the delete SIGSEGVs? ...
Here's the code: mysql_query("DELETE " . $_GET['id'] . " FROM forum_favorites WHERE thread_id='" . $_GET['id'] . "' AND user='" . $userinfo['username'] . "'") or die(mysql_error()); And the error message: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax...
HI , i am having a table like <table id="toc" class="toc" border="1" summary="Contents"> </table> in many pages .. All these pages are rendered in a single page . when i apply the javascript to delete that using on load . Only one table is deleted and not the others i am trying to delete the tables in all the rendering pages usi...
I am having a table like: <table id="toc" class="toc" border="1" summary="Contents"> </table> in many pages. All these pages are rendered in a single page. When I apply the javascript to delete that using on load with the below: var tbl = document.getElementById('toc'); if(tbl) tbl.parentNode.removeChild(tbl); Only one table is del...
In MS Access 2003 I have a form whose record source is equal to a query that involves an INNER JOIN. The join is between a location table and a container table. Containers are objects that are stored in specific locations each location and container are specified by ID values. SELECT DISTINCTROW Container.Container_ID, Location.Location...
Hi, I have a database where I store two different kinds of data. One table is for favorite routes, the other stores the retrieved routes from a server. I can retrieve the routes etc just fine. But after retrieving the first Route, pressing back or HOME, and then retrieving another route, the routes table is filled with all the old route...
hi, I pieced together the script below from various tutorials, examples, etc... Right now the script currently saves Id, Name, Url with a "|" delimiter to a text file Db like: 1|John|http://www.john.com| 2|Mark|http://www.mark.com| 3|Fred|http://www.fred.com| But I'm having a hard time trying to make the "UPDATE" and "DELETE" button...
I have a PHP server script that SELECTs some data from a MySQL database. As soon as I have the result from mysql_query and mysql_fetch_assoc stored in my own local variables, I want to delete the row I just selected. The problem with this approach is that it seems that PHP has done pass-by-reference to my local variables instead of pas...
I'm new to Ruby, and have been working my way through Mr Neighborly's Humble Little Ruby Guide. There have been a few typos in the code examples along the way, but I've always managed to work out what's wrong and subsequently fix it - until now! This is really basic, but I can't get the following example to work on Mac OS X (Snow Leopar...
suppose the code does the following: T *pointer = new T(); delete static_cast<void*>(pointer); what is result? Undefined, memory leak, memory is deleted? Thanks ...
Hi, I have some problems to delete temporary folder and files on my server when users not finish some action in webpages and quit to other webpages. Initialy at Page Load folders are created to allow the user to load files.I have tried implementing destruction during Idisposable without success. Could someone point the best method to del...
I'm trying to use pyinotify to alert me whenever files are deleted, but I want to know what user deleted the files. Is there a way to find this information? ...
Hello, guys! I have some User model, Role model and Assignment model to manage role-based user system. Just like here . So, here some kind of code, to include roles into users form: <% for role in Role.all %> <%= check_box_tag "user[role_ids][]", role.id, @user.roles.include?(role) %> <%=h role.name %><br /> <% end %> And all's work...
I have this simple code but it shows error. I dont know where I am going wrong. I shows error in last line.."DeleteOnSubmit" linq_testDataContext db = new linq_testDataContext(); var remove = from aremove in db.logins where aremove.username == userNameString && aremove.Password == pwdString select aremove; db.logins.D...
Ok heres my situation. I have a website project that has more than 50,000 unimportant files (to development) in some directories. /website.com/files/1.txt /website.com/files/2.txt /website.com/files/3.txt /website.com/files/etc.txt The stuff in /files is already in the repo. I want to delete all the files in /files on my local copy b...
I am looking for a functor that deletes its argument: template<class T> struct delete_functor { void operator()(T* p) { delete p; } }; Is there something like this in std, tr1 or boost? ...