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This question already has an answer here: Determine size of dynamically allocated memory in C 13 answers I have faced some problem in this case can you please your ideas. main() { char *p=NULL; p=(char *)malloc(2000 * sizeof(char)); printf("size of p = %d\n",sizeof (p)); } In this program Its print the 4 that (char *) value,but i need how many bytes allocated for that. You could also implement a wrapper for malloc and free to add tags (like allocated size and other meta information) before the pointer returned by malloc. This is in fact the method that a c++ compiler tags objects with

I want to allow user select font size. Spare Parts do provide the feature to do that, ActivityManagerNative.getDefault().updateConfiguration(new font size scale config) but that is for whole all android applications. I want to add it in my application's preference and only impact for my app. I tried below methods, it do works sometimes, but the first time I start my application, the font size still with the 1.0 scale. I do not why. I added below code in every onCreate of my activities. Configuration config = resources.getConfiguration(); config.fontScale=1.5f; resources.updateConfiguration

Im currently using the following function to load an image, however i could not figure out a way to find the width of the loaded image, which i intend to use before placing the next image using the same function. Note that q is a a variable (a number) which is used to load differant images. =X i need help obtainning the loaded image width... function LoadImage(q) { var imageLoader:Loader = new Loader(); var image:URLRequest = new URLRequest("GalleryImages/Album1/"+q+".jpg"); imageLoader.load(image); addChild (imageLoader); imageLoader.x = 0 + CurrentXLength; imageLoader.y = 0; imageLoader.name

I have a wierd problem that i need to work out how to resolve, I have spent the last couple of weeks working on a project for work on my laptop, but when I open the program on one of the work pcs alot of the controls are the wrong size and over lap etc, the differences between the machines is this: Laptop: Windows 7 Pro; Display - 1920*1040; Visiual Studio 2008; .net framework 3.5 Work Desktop: windows xp pro; display: 1024*768; visual studio 2008; .net framework 3.5; to discribe the problem better, i have a panel which i have set to be 300px wide, which has a label inside with the day and the

I've made simple code editor using wxPython. File size (python files) is 1.3 KB. But when I create executable using PyInstaller, I get 30 MB file ! Is there a way to decrease file size? Btw, I am not importing whole wx library, only components I need (ex from wx import Frame ). Using Linux, Fedora 18 64bit. Mike Driscoll wxPython is a big library so when you create an executable, they tend to end up being between 20 and 30 MB. Also note that Python itself is kind of bulky because Python is an interpreted language. So you are also including the Python interpreter when you create the exe. With