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What is “above-the-fold content” in Google Pagespeed?

... were a couple of things I could do nothing about such as the query string from web fonts. I was very happy with this as this represented all that I could do. ...
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What is a “callback” in C and how are they implemented?

From the reading that I have done, Core Audio relies heavily on callbacks (and C++, but that's another story). 9 Answers ...
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What's the standard way to work with dates and times in Scala? Should I use Java types or there are

... From Java SE 8 onwards, users are asked to migrate to java.time (JSR-310). There are efforts on creating scala libraries wrapping java.time for scala such as scala-time. If targeting lower than SE 8 use one of the below. Als...
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How to set default values in Rails?

...rectly calling .allocate was about model objects loaded with existing data from the database. (And it's a terrible idea for ActiveRecord to work that way, IMO. But that's beside the point.) – SFEley Mar 10 '11 at 7:55 ...
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Bamboo Vs. Hudson(a.k.a. Jenkins) vs Any other CI systems [closed]

... hosting. I'll either run it on a local server or on an Amazon instance. From experience, it is generally cheaper to host your own CI server. But if you need to scale, Bamboo makes it easy to distribute your builds to additional local agents or scale out to Amazon via Elastic agents. Also, thi...
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How do you push just a single Git branch (and no other branches)?

...ke git-pull on that branch in the future already know which branch to pull from without specifying it. It is not required as an option to push a single branch, but is widely used because a lot of people do want to make the local branch track the remote branch they are pushing. –...
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What is the difference between using IDisposable vs a destructor in C#?

... of that description is that MS gives examples of unmanaged resources, but from what I've seen never actually defines the term. Since managed objects are generally only usable within managed code, one might think things used in unmanaged code are unmanaged resources, but that's not really true. A ...
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Why would you ever implement finalize()?

... skaffman - I don't believe that (aside from some buggy JVM implementation). From the Object.finalize() javadoc: If an uncaught exception is thrown by the finalize method, the exception is ignored and finalization of that object terminates. –...
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Difference between the Facade, Proxy, Adapter and Decorator design patterns? [closed]

...nslates your calls as required.) You are solving the problem of the client from having to manage a heavy and/or complex object. Decorator is used to add more gunpowder to your objects (note the term objects -- you typically decorate objects dynamically at runtime). You do not hide/impair the existi...
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What does “program to interfaces, not implementations” mean?

...r of a program at run-time. It also helps you to write far better programs from the maintenance point of view. Here's a basic example for you. public enum Language { English, German, Spanish } public class SpeakerFactory { public static ISpeaker CreateSpeaker(Language language) { ...