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在 App Inventor 2 中使用图像 · App Inventor 2 中文网

...de = 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...
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Checking if an Android application is running in the background

...ositories { ... google() jcenter() maven { url 'https://maven.google.com' } } } You can read more about Lifecycle related architecture components here - https://developer.android.com/topic/libraries/architecture/lifecycle ...
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How serious is this new ASP.NET security vulnerability and how can I workaround it?

... an update on how to add an extra step to protect your sites with a custom URLScan rule. Basically make sure you provide a custom error page so that an attacker is not exposed to internal .Net errors, which you always should anyways in release/production mode. Additionally add a random time sleep...
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ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C++内核技术

...s://m.tsingfun.com/it/opensource/0MQ-The-Theoretical-Foundation.html', //URL地址 width: 180, height: 180, colorDark: '#088CEF', //二维码颜色 colorLight: "#ffffff" //背景颜色 }); $(function(){ $("#mob").hover(function() { $("#qrcode").animate({opacity: "show...
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Updating packages in Emacs

...took it over so it should be back and better at some point. Melpa takes a URL to e.g. the EmacsWiki lisp area or a github repo, and builds a package automatically from it. Thus it is usually at most a day behind whatever it is tracking. Although it tracks upstream, I've never had a problem in pra...
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Node.js / Express.js - How does app.router work?

...', route); Now all of the routes in the route.js have the following base URL: http://localhost:3000/route Why this approach: The main advantage of taking this approach is that now our app is more modular. All the route handlers for a certain route now can be put into different files which makes...
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How to remove/delete a large file from commit history in Git repository?

... git clone file:///home/user/src/repo.old repo Using a file:///... clone URL copies objects rather than creating hardlinks only. Now your history is: $ git lola --name-status * 8e0a11c (HEAD, master) Login page | A login.html * e45ac59 Careless | A other.html * 5af4522 Admin page | A ...
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Received fatal alert: handshake_failure through SSLHandshakeException

...y ignore this, but the same is not the case for SSL clients (like the HttpsURLConnection class, or any HTTP Client library like Apache HttpComponents Client). Most these client classes/libraries would rely on the trust store used by the JVM for certificate validation. In most cases, this will be th...
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Very simple log4j2 XML configuration file using Console and File appender

...-07-21 12:03:52,125 HomePageNavigationSteps.I_Am_At_The_Home_Page() - Base URL=http://simplydo.com/projector/ [DEBUG] 2018-07-21 12:03:52,700 NetIncomeProjectorSteps.I_Enter_My_Start_Balance() - Start Balance=348000 A new log file will be created daily with previous day automatically renamed to: ...
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In Firebase, is there a way to get the number of children of a node without loading all the node dat

... Just to point out that you have to append .json to the end of the URL, for example: https://yourapp.firebaseio.com/posts/comments.json?shallow=true – Osama Xäwãñz Aug 12 '17 at 15:37 ...