Is it possible to dynamically create and modify images on a per pixel level in JavaScript (on client side)? Or has this to be done with server based languaged, such as PHP? My use case is as follows: The user opens webpage and loads locally stored image A preview of the image is displayed The user can modify the image with a set of s...
I want my php script to create an output file in a folder based on the date. The way I'm doing this is that its supposed to get the foldername/filename from a text file outputted by another program which I am unable to edit. So the file its grabbing the data from looks like this: data/newfolder/10302008/log_for_Today.txt | 24234234...
I am creating a C# windows application to create an Excel 2003 sheet. There is a requirement to add to the footer: Page 1 of 4. I currently have it so it puts "Page: &[Page] of &[Pages]" into the footer of the excel sheet. When I open up the created document and look at the footer I see "Page: Page] of Pages]" I can click on the tex...
I'm currently developing a tutorial site for teaching the fundamentals of Web development (HTML, CSS, and JavaScript, for starters). I'd like a setup where I could give in-depth coverage of all sorts of topics and then provide a basic sandbox environment where the user could write code which solves the question asked at the end of each t...
I have a class whose object must be created on the heap. Is there any better way of doing this other than this: class A { public: static A* createInstance(); //Allocate using new and return static void deleteInstance(A*); //Free the memory using delete private: //Constructor and destructor are private so that the object can not b...
Due to the implementation of Java Generics you can't have code like this. How can I implement this while maintaining type safety? public class GenSet<E> { private E a[]; public GenSet() { a = new E[INITIAL_ARRAY_LENGTH]; } } I saw a solution on the java forums that goes like this: import java.lang.refl...
how to create a com dll using visual studio 2008.what are the custome settings needed for creating dll. that dll should be used in microsoft navision(ERP PACKAGE). ...
Which event should I use if I want to make sure all the nested components inside a component have been created? Creationcomplete doesn't seem to work this way. ...
I have been utilizing the Fowler patterns for domain models with a Data Mapper and have run into some confusion on how to implement the creation portion of CRUD. I can't utilize existing ORM technologies as the underlying data sources are custom systems. The area that’s troubling me is how to call the underling ORM when I need to create ...
Have referred to JQuery docs where they mention this piece of code. var xmlDocument = [create xml document]; $.ajax({ url: "page.php", processData: false, data: xmlDocument, success: handleResponse }); but i am trying to make the same request in Adobe AIR environment its giving a parse error. Is there any specific way of crea...
I have been using factory method creation pattern for awhile now. I was just recently told that this: public static class ScheduleTypeFactory { public static IScheduleItem GetScheduleItem(ScheduleTypeEnum scheduleType) { IScheduleItem scheduleItem = null; switch (scheduleType) { case Schedule...
Friends, Tell me how to generate more than 1 levels of sub-menu in VB6 at runtime? Explain in brief? Any specific controls are there? But i dont want to use external controls! ...
Hi, We are using a third part library to render 3d. In this library there is a "memory tracker" functionality that keeps track of all memory the library has allocated and freed during execution. This is a nice feature, since it helps by determining e.g. memory leaks. By calling a certain function in this library a log file is generated...
i am encountering a weird scenario, Is there a possibility of JVM re-using an already created object when we are initializing a new one and the object count is JVm is very high? abc a = new abc(); a.setAttribute("aaaa"); ......... a...is no longer being used...and has not yet been garbage collected by the JVM. There are multiple threads...
I want to copy the file c:\a1\b2\c3\foo.txt to d:\a1\b2\c3\foo.txt. The subdirectories don't exist on the D drive, and if I try to do a direct CopyTo() I'll get an IO exception. I haven't been able to find any built-in c# function that does the dirty work of creating the missing directories. So I wrote this: FileInfo file = new FileInf...
I'm looking for a pattern for the following. (I'm working in Perl, but I don't think the language matters particularly). With a parent class Foo, and children Bar, Baz, Bazza. One of the methods for constructing a Foo is by parsing a string, and part of that string will implicitly specify which class is to be created. So for example i...
I am in the process of writing a small javascript library to make form creation/validation easier. This is mostly an excuse to get better with javascript. I am debating about how to take in user input for form element creation. I am looking at two approaches. One is to take in a few pre-determined parameters such as id, label, value Th...
Is there a way to sort the results by creation date? Example query which must be sortet: SELECT * WHERE {?s ?p ?o} limit 200 ...
I have a Flex 3 app with a view in a viewstack, and that view must only be created when requested. I have declared validators for each of the controls on the view and I have created a method called checkAllValid() which runs Validator.validateAll(). This works great when I'm actually using the controls (using the change or focusOut event...
I'm really confused with NSStrings. Like when should I do NSString *aString = @"Hello"; of should it be: NSString *aString = [[NSString alloc] initWithString:@"Hello"]; But then its different when you're assigning a value to an NSString property isn't it? Can someone clear this up for me? Thanks!! ...