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Ruby: Calling class method from instance
...ah when it comes to inheritance.
class Truck
def self.default_make
"mac"
end
def make1
self.class.default_make
end
def make2
Truck.default_make
end
end
class BigTruck < Truck
def self.default_make
"bigmac"
end
end
ruby-1.9.3-p0 :021 > b=BigTruck.new
=>...
将 App Inventor 2 项目连接到外部传感器 · App Inventor 2 中文网
...= new QRCode("qrcode", { text: window.location.href + "?f=share", //URL地址 width: 150, height: 150, colorDark: '#000000', //二维码颜色 colorLight: "#ffffff" //背景颜色}); App Inventor 2 中文网 © 2023 - document.write(new Date().getFullYear()); 跟着...
Executing JavaScript without a browser?
...ipt programming without a browser. I want to run scripts from the Linux or Mac OS X command line, much like we run any other scripting language (ruby, php, perl, python...)
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浅谈HTML5 & CSS3的新交互特性 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...给大家一个参考，也希望大家多多支持脚本之家。
原文地址：http://www.cnblogs.com/androidshouce/archive/2016/07/19/5683426.html
HTML5 CSS3 新交互特性
How to determine SSL cert expiration date from a PEM encoded certificate?
If I have the actual file and a Bash shell in Mac or Linux, how can I query the cert file for when it will expire? Not a web site, but actually the certificate file itself, assuming I have the csr, key, pem and chain files.
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“Inspect” a hover element?
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I was used to doing this in Windows, but in Mac this trick doesn't work, has anybody found a way to this on a mac? it seems it "communicates" mouse move events to the window even if the mouse is in the inspector or sub-menu
– santiago arizti
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Can't install RMagick 2.13.1. Can't find MagickWand.h.
...nvert --version
If you do, you probably either installed it with fink or macports (maybe homebrew?). What is happening is that rvm can't find the imagemagick directory.
After reading
https://superuser.com/questions/361435/i-have-compiled-imagemagick-on-my-centos-and-rmagick-wont-install
I exporte...
How to develop Desktop Apps using HTML/CSS/JavaScript? [closed]
...try AppJS.com (Helps to build Desktop Applications. for Linux, Windows and Mac using HTML, CSS and JavaScript)
Also, as pointed out by @Clint, the team at brackets.io (Adobe) created an awesome shell using Chromium Embedded Framework that makes it much easier to get started. It is called the bracke...
How to auto-format code in Eclipse?
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On Windows and Linux : Ctrl + Shift + F
On Mac : ⌘ + ⇧ + F
(Alternatively you can press Format in Main Menu > Source)
share
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improve this answer
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Android Studio Collapse definitions and methods
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In the version of Android Studio I have installed on my Mac, the Shortcut keys were Cmd + Shift + '+' to expand and Cmd + Shift + '-' to collapse. This is slightly different than @Priebe's comment above.
– benhorgen
Jul 27 '19 at 14:35
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