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Can you use if/else conditions in CSS?

... You could create two separate stylesheets and include one of them based on the comparison result In one of the you can put background-position : 150px 8px; In the other one background-position : 4px 8px; I think that the only check you can perform in CSS is browser recognition: Cond...
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How to iterate over values of an Enum having flags?

...tFlags(Enum value, Enum[] values) { ulong bits = Convert.ToUInt64(value); List<Enum> results = new List<Enum>(); for (int i = values.Length - 1; i >= 0; i--) { ulong mask = Convert.ToUInt64(values[i]); if (i == 0 && m...
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Creating a new user and password with Ansible

...andom password for user only on creation shell: /usr/bin/openssl rand -base64 32 | passwd --stdin deployer when: newuser.changed share | improve this answer | follow...
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To ARC or not to ARC? What are the pros and cons? [closed]

...ing out of memory management practice when you have to switch between code-bases. Some of my projects run on 10.4, so I still do a lot of Objective-C 1.0 work (so no @synthesize, let alone ARC). But you get used to switching modes pretty well. – Rob Napier Jan ...
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Accessing Session Using ASP.NET Web API

...ative); } } This solution has the added bonus that we can fetch the base URL in javascript for making the AJAX calls: _Layout.cshtml <body> @RenderBody() <script type="text/javascript"> var apiBaseUrl = '@Url.Content(ProjectNameSpace.WebApiConfig.UrlPrefixRelati...
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What does AngularJS do better than jQuery? [closed]

...ML, so you let the DOM worry about manipulating itself (so to speak). I'll demonstrate with a simple example. This is the markup we want to use. I gave it an intuitive name. <div rotate-on-click="45"></div> First, I'd just like to comment that if we've given our HTML this functionali...
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Hibernate: Automatically creating/updating the db tables based on entity classes

...ated --> <property name="javax.persistence.schema-generation.database.action" value="drop-and-create" /> </properties> used Wildfly's in-memory H2 database share | improve this ...
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MQTT物联网协议完全实践指南 · App Inventor 2 中文网

...载: de.ullisroboterseite.ursai2pahomqtt.aix 完整示例项目: mqtt_demo.aia MQTT协议深度解析 1. 协议架构与通信模式 MQTT采用客户端-服务器架构,基于发布/订阅(Publish/Subscribe)模式实现消息传递: grap...
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Why do you need to invoke an anonymous function on the same line?

...on definition. (function (msg){alert(msg)}) ('SO'); Above should work. DEMO Page: https://jsfiddle.net/e7ooeq6m/ I have discussed this kind of pattern in this post: jQuery and $ questions EDIT: If you look at ECMA script specification, there are 3 ways you can define a function. (Page 98, Se...
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SQL injection that gets around mysql_real_escape_string()

...ing(). #For Very OBSCURE EDGE CASES!!! The long answer isn't so easy. It's based off an attack demonstrated here. The Attack So, let's start off by showing the attack... mysql_query('SET NAMES gbk'); $var = mysql_real_escape_string("\xbf\x27 OR 1=1 /*"); mysql_query("SELECT * FROM test WHERE name = ...