大约有 42,000 项符合查询结果(耗时:0.0408秒) [XML]

https://stackoverflow.com/ques... 

How do I fix blurry text in my HTML5 canvas?

...ctional to counteract the truncation of scaling canvas pixels. Below is a demo using this strategy. Edit: Here is the OP's fiddle updated to use this strategy: http://jsfiddle.net/65maD/83/. main(); // Rerun on window resize. window.addEventListener('resize', main); function main() {...
https://stackoverflow.com/ques... 

Adding up BigDecimals using Streams

...: import java.math.BigDecimal; import java.util.LinkedList; public class Demo { public static void main(String[] args) { LinkedList<Invoice> invoices = new LinkedList<>(); invoices.add(new Invoice("C1", "I-001", BigDecimal.valueOf(.1), BigDecimal.valueOf(10))); invoices...
https://stackoverflow.com/ques... 

How to get a pixel's x,y coordinate color from an image?

...not the context is contorted and the reason I didn't see this effect on my demo is simply because the image is smaller than the context's initial width/height. I will update accordingly, though it is safer to access .width and .height on the canvas itself than through concatenation. ...
https://stackoverflow.com/ques... 

Matplotlib discrete colorbar

...ly written, a proper contour routine was added to matplotlib - see contour_demo.py and http://matplotlib.sf.net/matplotlib.pylab.html#-contour. """ from pylab import * delta = 0.01 x = arange(-3.0, 3.0, delta) y = arange(-3.0, 3.0, delta) X,Y = meshgrid(x, y) Z1 = bivariate_normal(X, Y, 1.0, 1.0,...
https://stackoverflow.com/ques... 

How do I implement basic “Long Polling”?

... Probably. This is a very simplified example, to demonstrate the concept.. To do this better you'd need more elaborate server-side code, where it would store up those 1000 messages for that specific client, and send them in one chunk. You could also safely reduce the waitFo...
https://stackoverflow.com/ques... 

Server polling with AngularJS

...g but in a more relaxed manor and according to the duration of the error. Demo is here Written more about it in here var app = angular.module('plunker', ['ngAnimate']); app.controller('MainCtrl', function($scope, $http, $timeout) { var loadTime = 1000, //Load the data every second e...
https://stackoverflow.com/ques... 

What's the difference between disabled=“disabled” and readonly=“readonly” for HTML form input fields

... Textbox <input type="text" id="disabledText" name="randombox" value="demo" disabled="disabled" /> Reset button <button type="reset" id="clearButton">Clear</button> In the above example, when Clear button is pressed, disabled text value will be retained in the form. Value wi...
https://stackoverflow.com/ques... 

What is the difference between Modal and Push segue in Storyboards?

...he bottom of the page. The navigation view controller is also gone in this demo share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Is there a way to provide named parameters in a function call in JavaScript?

...fined | c is 3 foo({a: 1, c:3}); // a is 1 | b is undefined | c is 3 DEMO There are some drawbacks to this approach (you have been warned!): If the last argument is an object, it is treated as a "named argument objects" You will always get as many arguments as you defined in the function, b...
https://stackoverflow.com/ques... 

jQuery selectors on custom data attributes using HTML5

... jsFiddle Demo jQuery provides several selectors (full list) in order to make the queries you are looking for work. To address your question "In other cases is it possible to use other selectors like "contains, less than, greater than...