scaling

问题 Process of scaling x,y coordinates of one rectangle to other rectangle coordinates is pretty simple as better explained at this link http://www.icoachmath.com/math_dictionary/scale_factor.html if we have two rectangle one is having Maxwidth: 2000 and Maxheight: 1000 and second rectangle of size MaxWidth : 4000 and MaxHeight = 2000 so scale factor for converting coordinate of rect1 to rect2 would be for x in rect2 : (x in rect1) * (MaxWidth of Rect2/ MaxWidht of Rect1) for y in rect2 : (y in

问题 Latest updates of Firefox and Google Chrome affects their Default Zoom scaling. It affects Fonts size, Image size and also entire Browser. Here is your Answers...... For Firefox : open up a new tab, and type about:config into the address bar, and press enter. Then use the search box, enter the word "pixel" then it will show "layout.css.devPixelsPerPx" . change the value -1.0 to 1 for 100% perfect scale... For Chrome: Right Click the chrome icon or chrome shortcut icon, go to the properties.

问题 I have a small IPhone app that I am working on and I am displaying an image with a UIImageView. I am scaling it up using the Aspect Fit mode. I would like to have the image scale up with no interpolation/smoothing (I want it to look pixellated). Is there any way I can change this behavior? A little more general question would be can I implement my own scaling algorithm, or are there other built in ones that I can select? 回答1: You would need to set the magnificationFilter property on the view

问题 When training a SVM regression it is usually advisable to scale the input features before training. But how about scaling of the targets? Usually this is not considered necessary, and I do not see a good reason why it should be necessary. However in the scikit-learn example for SVM regression from: http://scikit-learn.org/stable/auto_examples/svm/plot_svm_regression.html By just introducing the line y=y/1000 before training, the prediction will break down to a constant value. Scaling the

问题 I plan to use the Quartz scheduler as I read many good opinions about it. My problem is as follows: I will have thousands of triggers living in the system at any given time. Most of the triggers will fire just one event and die. In addition, it is very likely I will have to cancel many jobs after their allocation (based on new input). Can Quartz scale to this? Which JobStore is recommended? I planned to use the JDBC one over mysql. Added Information : My jobs will either send an e-mail or

问题 How do websites like Digg, Del.icio.us, and StackOverflow implement tagging? I know this other question has an accepted answer of a many-to-many relation with a cross ref table. But how do the "big boys" do it? The same way? How is it scaling? 回答1: Here is the oft-quoted article which breaks down tagging schemas by real performance metrics: http://tagging.pui.ch/post/37027746608/tagsystems-performance-tests The author notes that the founder of delicious explains using an RDBMS for tagging

问题 I found that scaling in SVM (Support Vector Machine) problems really improve its performance... I have read this explanation: "The main advantage of scaling is to avoid attributes in greater numeric ranges dominating those in smaller numeric ranges." Unfortunately this didn't help me ... Can somebody provide me a better explanation? Thank you in advance! 回答1: The true reason behind scaling features in SVM is the fact, that this classifier is not affine transformation invariant . In other

问题 Here's my problem: xaml file 1: a templated list control <ItemsControl ItemSource={Binding myUIrelatedDataList}/> <ItemsControl.ItemTemplate> <DataTemplate> <my:DynamicUIPresenter Width="160" Height="80"/> <!-- here, I want to specify my desired size to which i want to scale down the generated UIElements --> </DataTemplate> </ItemsControl.ItemTemplate> <ItemsControl/> xaml file 2: the item template <Border BorderBrush="Black" BorderThickness="1"> <Border Child="{Binding Path=., Converter=

问题 In this post, CodeNaked discusses how to change the TextFormattingModeProperty of the application. This solves my problem (see below) perfectly in .Net 4. However my production application is in .Net 3.5 which doesn't have that property at all. How do I accomplish the same thing in .Net 3.5? My root problem: I have a winforms application based in .Net 3.5 that has some WPF controls on certain screens. When the Windows DPI setting is set to 150% (not 120%), scaling occurs as expected. However,

问题 I need to scale down images coming from a Network stream without losing quality. I am aware of this solution Strange out of memory issue while loading an image to a Bitmap object but it is too coarse - inSampleSize is an integer and does not allow finer control over the resulting dimensions. That is, I need to scale images to specific h/w dimensions (and keeping aspect ratio). I dont mind having a DIY bicubic/lancoz algorithm in my code but I cant find any examples that would work on Android