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What should go into an .h file?

...Things like class declarations, function prototypes, and enumerations typically go in header files. In a word, "definitions". Code files (.cpp) are designed to provide the implementation information that only needs to be known in one file. In general, function bodies, and internal variables that sh...
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Spring Boot application as a Service

... Is this recommended approach, or should I convert this app to war and install it into Tomcat? 19 Answers ...
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Capture HTML Canvas as gif/jpg/png/pdf?

...e image will be saved. Location in my local? – chinna_82 Jul 17 '13 at 3:30 5 the image will be d...
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How do I save a String to a text file using Java?

In Java, I have text from a text field in a String variable called "text". 24 Answers ...
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Can I add jars to maven 2 build classpath without installing them?

...the answers you'll find around the internet will suggest you to either install the dependency to your local repository or specify a "system" scope in the pom and distribute the dependency with the source of your project. But both of these solutions are actually flawed. Why you shouldn't apply the "I...
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Is it possible to modify variable in python that is in outer, but not global, scope?

...ld a temporary scope. It's like the mutable but a bit prettier. def outer_fn(): class FnScope: b = 5 c = 6 def inner_fn(): FnScope.b += 1 FnScope.c += FnScope.b inner_fn() inner_fn() inner_fn() This yields the following interactive output: >>> outer...
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Rails Observer Alternatives for 4.0

With Observers officially removed from Rails 4.0 , I'm curious what other developers are using in their place. (Other than using the extracted gem.) While Observers were certainly abused and could easily become unwieldily at times, there were many use-cases outside of just cache-clearing where they...
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Add an element to an array in Swift

...red Jun 2 '14 at 20:33 Mick MacCallumMick MacCallum 122k4040 gold badges273273 silver badges274274 bronze badges ...
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How to normalize a path in PowerShell?

...WINDOWS\system32\fred\frog\..\frag With an absolute base, it is safe to call the .NET API GetFullPath: [System.IO.Path]::GetFullPath((Join-Path (Join-Path (pwd) fred\frog) '..\frag')) Which gives you the fully qualified path and with the .. removed: C:\WINDOWS\system32\fred\frag It's not com...
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Behaviour of final static method

...ng(not subject to polymorphism) the ts() of A but it will hide it. If you call ts() in B (NOT A.ts() or B.ts() ... just ts()), the one of B will be called and not A. Since this is not subjected to polymorphism, the call ts() in A will never be redirected to the one in B. The keyword final will disa...