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What is the difference between Google App Engine and Google Compute Engine?

...For example, if your app becomes very successful, App Engine will automatically create more instances to handle the increased volume. Read more about App Engine Compute Engine is an Infrastructure-as-a-Service. You have to create and configure your own virtual machine instances. It gives you more ...
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Autolayout - intrinsic size of UIButton does not include title insets

...o override any methods or set an arbitrary width constraint. You can do it all in Interface Builder as follows. Intrinsic button width is derived from the title width plus the icon width plus the left and right content edge insets. If a button has both an image and text, they’re centered as a gr...
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Superscript in CSS only?

...ript on why you arguably shouldn't style superscript/subscript with CSS at all; The second point is worth emphasizing. Typically superscript/subscript is not actually a styling issue but is indicative of meaning. Side note: It's worth mentioning this list of entities for common mathematical supe...
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Which library should I use for server-side image manipulation on Node.JS? [closed]

...t sure which of those are more mature and provide better performance. Basically I want to do the following: 3 Answers ...
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Why is it a bad practice to return generated HTML instead of JSON? Or is it?

... I'm a bit on both sides, actually : When what I need on the javascript side is data, I use JSON When what I need on the javascript side is presentation on which I will not do any calculation, I generally use HTML The main advantage of using HTML is w...
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Is it possible to use JS to open an HTML select to show its option list? [duplicate]

... I am also wishing I could programmatically open a select for keyboard users. In Firefox the change event doesn't fire until the select loses focus, and if the menu isn't actually open, it doesn't select anything when you tab off. LAME-O! – M...
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“There was an error while performing this operation”

...using URL rewrite module which i was missing. Downloaded web platform installer from MS and installed URL rewrite module. http://www.microsoft.com/web/downloads/platform.aspx Wish IIS errors were more informative than just "There was an error..." ...
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Sharing src/test classes between modules in a multi-module maven project

...iques suggested in the comments, I would ensure your Data project contains all the test code that you wish to share and configure the POM to produce a test JAR: <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-jar-plugin</artifactId> <ver...
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Using “Object.create” instead of “new”

...mple may not let you see the real benefits of Object.create. This methods allows you to easily implement differential inheritance, where objects can directly inherit from other objects. On your userB example, I don't think that your init method should be public or even exist, if you call again thi...
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How to check if a given directory exists in Ruby

I am trying to write a script which automatically checks out or updates a Subversion URL based on whether a specified directory exists or not. ...