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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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How to determine the version of the C++ standard used by the compiler?

... By my knowledge there is no overall way to do this. If you look at the headers of cross platform/multiple compiler supporting libraries you'll always find a lot of defines that use compiler specific constructs to determine such things: /*Define Microsoft V...
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Java rounding up to an int using Math.ceil

...this is correct, I want to know how you got to it, and how can I mathematically show it is correct. I tried solving it mathematically, wasn't convinced. – Saad Rehman Shah Apr 20 '14 at 11:40 ...
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What is the best way to conditionally apply attributes in AngularJS?

... I am using the following to conditionally set the class attr when ng-class can't be used (for example when styling SVG): ng-attr-class="{{someBoolean && 'class-when-true' || 'class-when-false' }}" The same approach should work for other attribute type...
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When is “Try” supposed to be used in C# method names?

... Basically, if you have a TryParse method, you should have a Parse method that throws when TryParse would return false. Conversely, if you have a Parse method, you should consider having a TryParse method that return false when Par...
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Rspec doesn't see my model Class. uninitialized constant error

... Your spec_helper file is missing some important commands. Specifically, it's not including config/environment and initializing rspec-rails. You can add the following lines to the start of your spec/spec_helper.rb file ENV["RAILS_ENV"] ||= 'test' require File.expand_path("../../config/envi...
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&& (AND) and || (OR) in IF statements

... the expressions don't have side effects, short-circuit semantics are logically equivalent to complete evaluation. That is, if A is true, you know A||B is true without having to evaluate B. The only time it will make a difference is if an expression has side effects. As for other operators, you can ...
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How to execute a bash command stored as a string with quotes and asterisk [duplicate]

... Thanks, it works. How would I select all columns ? How can I escape '*' ? – Barth Jan 5 '10 at 10:33 2 ...
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Storing sex (gender) in database

... I'd call the column "gender". Data Type Bytes Taken Number/Range of Values ------------------------------------------------ TinyINT 1 255 (zero to 255) INT 4 - 2,147,483,...
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How to validate date with format “mm/dd/yyyy” in JavaScript?

...bsolutely have to second this as the only extremely correct answer amongst all those submitted! You DO NOT want to do something as complex as date parsing on your own! – Theodore R. Smith Jul 5 '16 at 10:58 ...