resolution

问题 I am a beginner int the JAVA language and is trying to learn how to create full screen applications. I am trying to create a simple application where when run, displays a full screen with blue back ground and a simple line of text in the center of the screen( it starts at position 400x300). The resolution of the application is set to 800x600. I am running the code on a MacbookAir, running OSX Lion, with a screen resolution of 1440x900. The problem is, despite getting a blue background as I

问题 When I first asked this, I included as much information as I could, since I never know what will help someone if they can give m a solution, but from the answers, it seems I didn't make my point clear. I'm leaving the original text at the bottom and shortening this. I hope that makes it clear. I am working with images returned to me from another program. I can get an image that's, for example, 8x10 at 72 DPI or the same image at 16x20, also at 72DPI. I'm working in Java. What I'd like to do

问题 Why do we need these 3 particular image types? If I have a button on my app with a background image say, 50 pixels x 50 pixels, why do I need 3 versions of this image? What's stopping me from just making one image that's much higher in res, say, 700x700 so when it shrinks down on any iPhone it won't fall under the max res the device would want? Only thing I can think of is it just takes up more space, but for simple apps / a simple button it seems like it wouldn't cause any issues. I've tried

问题 This question already has answers here : Converting pixels to dp (34 answers) Closed 5 years ago . I want to calculate dp from px programmatically. How to do it? I get resolution from: DisplayMetrics displaymetrics = new DisplayMetrics(); getWindowManager().getDefaultDisplay().getMetrics(displaymetrics); ht = displaymetrics.heightPixels; wt = displaymetrics.widthPixels; 回答1: All the answers here show a dp->px conversion rather than px->dp , which is what the OP asked for. Note that TypedValue

问题 How can I get the Windows system time with millisecond resolution? If the above is not possible, then how can I get the operating system start time? I would like to use this value together with timeGetTime() in order to compute a system time with millisecond resolution. Thank you in advance. 回答1: GetTickCount will not get it done for you. Look into QueryPerformanceFrequency / QueryPerformanceCounter . The only gotcha here is CPU scaling though, so do your research. 回答2: Try this article from

问题 This question already has answers here : Function with same name but different signature in derived class (2 answers) Closed 5 years ago . Given the following example, why do I have to explicitly use the statement b->A::DoSomething() rather than just b->DoSomething() ? Shouldn't the compiler's overload resolution figure out which method I'm talking about? I'm using Microsoft VS 2005. (Note: using virtual doesn't help in this case.) class A { public: int DoSomething() {return 0;}; }; class B :

问题 My query was about my wordpress site womensfertility n hormones. c o m if I view the site on a smaller screen with resolution like 1024 x 768 the site would look like this: but if I view it on my normal computer screen with big resolution it looks good, then if I scale it to iphone and ipad it would scale normal as it is responsive. I'm using optimizepress. I've just added a code to make the site boxed layout and to have a background image instead of full width. my code that I've added was:

问题 I wrote a program that generates a BufferedImage to be displayed on the screen and then printed. Part of the image includes grid lines that are 1 pixel wide. That is, the line is 1 pixel, with about 10 pixels between lines. Because of screen resolution, the image is displayed much bigger than that, with several pixels for each line. I'd like to draw it smaller, but when I scale the image (either by using Image.getScaledInstance or Graphics2D.scale), I lose significant amounts of detail. I'd

问题 Hello guys and girls. As i already asked, is someone here who can give me a hint how to calc the right ammount of dimens? As far as i know: dimens "small" support devices with a <=3,4 inch screen dimens "normal" from 3,4 to 5,0 dimens "large" from 4,5 to 7 dimens "xlarge" from 7 to + these are relative to the physical screensize in inches and NOT the correct numbers. Got it from a graph on this website without labeling: https://developer.android.com/guide/practices/screens_support.html also

问题 I'm looking for help with the programming language/environment Processing. I'm fairly new to Processing and I am experimenting with a piece of code from someone over at openprocessing.org. I really like the visual results this code delivers and I would like to further work with it. Unfortunately, the output is very low resolution. Hence I'm looking for someone who might be able to help me figure out how to a) Increase the size or resolution of the shapes generated and b) save everything as a