Save Using ActiveRecord Without Rolling Back If Callbacks Fail
I recently came across an interesting situation when using Ruby on Rails. I wanted to make all of my models so that they could not be destroyed. The plan was to make all of the database records be...
View ArticleCompiling FreeType-2.4.4 with the MinGW compiler bundled with Qt on Windows XP
I have a Qt application that uses OpenGL directly to render some things. Consequently, I wanted to add text support in OpenGL. After looking at a few options, trying one option and rejecting it, I...
View ArticleCompiling FTGL-2.1.3~rc5 on Windows Using the Mingw Compiler Bundled With Qt
If you are trying to compile FTGL on Windows, you may have run into the same problem I did: it's not really set up to make that easy. I couldn't get it to work with Cygwin's configure tool. So I tried...
View ArticleRunning a Qt application without the IDE on Windows
When writing a Qt application, you may find yourself at the point where you need to run the program without the IDE. If you have the paid-for version, that isn't so hard, as everything should be...
View ArticleFixing a warning: deprecated conversion from string constant to 'char*'
When using C++, you may get the warning "deprecated conversion from string constant to 'char*'" when compiling something similar to the following:void foo(char *){}...foo("hi");I have found three...
View ArticleSending an FDF response back to a PDF document
One way of getting values out of a form-fillable PDF is to use the 'submitForm' javascript method from within the PDF document, like so:function saveValues(){ var arr = []; //Gather values into an...
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