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What is the best way to conditionally apply a class?

...you have an array that is rendered in a ul with an li for each element and a property on the controller called selectedIndex . What would be the best way to add a class to the li with the index selectedIndex in AngularJS? ...
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How to read a text file reversely with iterator in C#

I need to process a large file, around 400K lines and 200 M. But sometimes I have to process from bottom up. How can I use iterator (yield return) here? Basically I don't like to load everything in memory. I know it is more efficient to use iterator in .NET. ...
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Why does comparing strings using either '==' or 'is' sometimes produce a different result?

... @AlexanderSupertramp, because of string interning. – Chris Rico Feb 1 '15 at 9:34 ...
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How to use single storyboard uiviewcontroller for multiple subclass

...interface but with root view controller of class SpecificViewController1 and SpecificViewController2 which are subclasses of BasicViewController . Those 2 view controllers would have the same functionality and interface except for the IBAction method. It would be like the following: ...
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How do I get Fiddler to stop ignoring traffic to localhost?

... so that localhost has a "." after it. For instance, you start debugging and the you have the following URL in the Address bar: http://localhost:49573/Default.aspx Change it to: http://localhost.:49573/Default.aspx Hit enter and Fidder will start picking up your traffic. ...
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@Basic(optional = false) vs @Column(nullable = false) in JPA

What's the difference between @Basic(optional = false) and @Column(nullable = false) in JPA persistence? 2 Answers ...
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What's the fastest way to do a bulk insert into Postgres?

... PostgreSQL has a guide on how to best populate a database initially, and they suggest using the COPY command for bulk loading rows. The guide has some other good tips on how to speed up the process, like removing indexes and foreign keys before loading the data (and adding them back afterward...
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What exactly do “IB” and “UB” mean?

I've seen the terms "IB" and "UB" used several times, particularly in the context of C++. I've tried googling them, but apparently those two-letter combinations see a lot of use. :P ...
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Remove a git commit which has not been pushed

.... Do your future self a favor: The difference between reset, reset --soft, and reset --hard (What happens to your earlier git add aka "your work" :) Picture: link – user18099 Jun 9 '17 at 10:00 ...
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AngularJS - Access to child scope

...e the interpreter will look up the prototype chain starting from the child and continue to the parents until it finds the property, not the other way around. Check Vojta's comments on the issue https://groups.google.com/d/msg/angular/LDNz_TQQiNE/ygYrSvdI0A0J In a nutshell: You cannot access child...