大约有 20,000 项符合查询结果(耗时:0.0506秒) [XML]

https://stackoverflow.com/ques... 

Convert an image to grayscale in HTML/CSS

... Update: I made this into a full GitHub repo, including JavaScript polyfill for IE10 and IE11: https://github.com/karlhorky/gray I originally used SalmanPK's answer, but then created the variation below to eliminate the extra HTTP request required for the SVG file. The inline SVG wor...
https://stackoverflow.com/ques... 

Android OpenGL ES and 2D

...h-glkit-part-1 The other resource I'd recommend is a book by Erik M Buck, titled Learning OpenGL ES for iOS. Some criticized it saying it was too simplistic. But that's exactly what I was looking for. It helped me understand all of the basics and gave me an idea on where i should go next to ...
https://stackoverflow.com/ques... 

Bash set +x without it being printed

...e on ARG1=$1 ARG2=$2 xtrace off And you get output that looks like: $ ./script.sh one two + ARG1=one + ARG2=two share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Getting the count of unique values in a column in bash

... The GNU site suggests this nice awk script, which prints both the words and their frequency. Possible changes: You can pipe through sort -nr (and reverse word and freq[word]) to see the result in descending order. If you want a specific column, you can omit...
https://stackoverflow.com/ques... 

how to bypass Access-Control-Allow-Origin?

...om my server to display retrieved data from my server's database). My ajax script is working , it can send the data over to my server's php script to allow it to process. However it cannot get the processed data back as it is blocked by "Access-Control-Allow-Origin" ...
https://stackoverflow.com/ques... 

ab load testing

...d. It runs any command even when you close the terminal. I wrote a simple script that automates the whole process, feel free to use it: http://blog.ikvasnica.com/entry/load-test-multiple-api-endpoints-concurrently-use-this-simple-shell-script ...
https://stackoverflow.com/ques... 

Using emit vs calling a signal as if it's a regular function in Qt

...ect slot call? But I have to admit that I also wondered about the question title at first, since I never knew emit was just a no-op. But even in this case reading the question body should have cleared things up, so -1. – Christian Rau Apr 15 '12 at 10:22 ...
https://stackoverflow.com/ques... 

What is routes.IgnoreRoute(“{resource}.axd/{*pathInfo}”)

....axd files don't exist physically. ASP.NET uses URLs with .axd extensions (ScriptResource.axd and WebResource.axd) internally, and they are handled by an HttpHandler. Therefore, you should keep this rule, to prevent ASP.NET MVC from trying to handle the request instead of letting the dedicated Http...
https://stackoverflow.com/ques... 

“Uncaught Error: [$injector:unpr]” with angular after deployment

...esolve your dependencies. This is a common issue with angular when the javascript gets minified/uglified/whatever you're doing to it for production. The issue is when you have e.g. a controller; angular.module("MyApp").controller("MyCtrl", function($scope, $q) { // your code }) The minificatio...
https://stackoverflow.com/ques... 

npm install vs. update - what's the difference?

... I'd also note that scripts like postinstall run on install, but not on update. – Michael Marvick Jun 23 '16 at 3:45 2 ...