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What is the best way to conditionally apply a class?

...nditionally, like: ng-class="{selected: $index==selectedIndex}" Angular now supports expressions that return an object. Each property (name) of this object is now considered as a class name and is applied depending on its value. However these ways are not functionally equal. Here is an example: ...
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How can I get the current date and time in UTC or GMT in Java?

... tl;dr Instant.now() // Capture the current moment in UTC. Generate a String to represent that value: Instant.now().toString() 2016-09-13T23:30:52.123Z Details As the correct answer by Jon Skeet stated, a java.util.Date obje...
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glVertexAttribPointer clarification

...fore you render, you need to enable it with glEnableVertexAttribArray(0);. Now that an attribute is enabled, you need to define the data it's going to use. In order to do so you need to bind your VBO - glBindBuffer(GL_ARRAY_BUFFER, myBuffer);. And now we can define the attribute - glVertexAttribPoin...
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brew install mysql on macOS

... Because this thread is old, the "launchctl unload" line above is now wrong. The file homebrew installs is not longer called "com.mysql.mysqld.plist", it is called "homebrew.mxcl.mysql.plist". The line should now read "launchctl unload -w ~/Library/LaunchAgents/homebrew.mxcl.mysql.plist" ...
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href=“tel:” and mobile numbers

... Area code for a mobile telephone 1234 5678 - Mobile telephone number Now, when I want to dial via the international trunk, you need to drop the trunk prefix and replace it with the international dialing prefix + - Short hand for the country trunk number 61 - Country code for Au...
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Sticky and NON-Sticky sessions

I want to know the difference between sticky- and non-sticky sessions. What I understood after reading from internet: 2 Ans...
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Compiling Java 7 code via Maven

...ead of CurrentJDK). Not an elegant fix but I just hardcoded the export and now it works (PS: maven on OSX is at /usr/share/maven/bin/mvn) – Raekye Aug 4 '13 at 6:55 6 ...
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Does C# have extension properties?

...ent it is still not supported out of the box by Roslyn compiler ... Until now, the extension properties were not seen as valuable enough to be included in the previous versions of C# standard. C# 7 and C# 8.0 have seen this as proposal champion but it wasn't released yet, most of all because even i...
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How to detect escape key press with pure JS or jQuery?

... @LachlanMcD - be aware (5 years later!) that .unbind is now deprecated as of jQuery 3.0... you should use .off – freefaller Apr 24 '18 at 14:07 ...
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Clang vs GCC - which produces faster binaries? [closed]

...rtain) comprises at present around 11K LOC in about 90 files. It is coded, now, in C++ that is rich in polymorphism and templates and but is still mired in many patches by its not-so-distant past in hacked-together C. Move semantics are not expressly exploited. It is single-threaded. I have devoted ...