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How do I set up a basic Ruby project?

...xecutables go in bin When in doubt, just look at how other gems are laid out. Further information: You should add rspec as a development dependency in your gemspec to make things easier for other developers Edit my_lib.gemspec, adding gem.add_development_dependency 'rspec' and gem.add_develo...
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Best practices for using Markers in SLF4J/Logback

...ng and dicing, and Markers are for filtering. These activities are carried out during testing and in production. As such, you need to decide which dimensions you expect may be useful to slice the log data by, and which cases it might be useful to filter it against, when testing/production comes arou...
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What's with 181783497276652981 and 8682522807148012 in Random (Java 7)?

...hould be fast. This probably explains the usage of this specific MLCG, without addition, without xoring, just one multiplication. And the mentioned paper presents a list of good "multipliers" for c=0 and m=2^64, as 1181783497276652981. All in all: A for effort @ JRE-developers ;) But there is a ty...
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Android destroying activities, killing processes

...t please have a look at this: onPause() Called when the system is about to start resuming a previous activity. This is typically used to commit unsaved changes to persistent data, stop animations and other things that may be consuming CPU, etc. Implementations of this method must be ver...
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How to move a model between two Django apps (Django 1.7)

So about a year ago I started a project and like all new developers I didn't really focus too much on the structure, however now I am further along with Django it has started to appear that my project layout mainly my models are horrible in structure. ...
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initializer_list and move semantics

Am I allowed to move elements out of a std::initializer_list<T> ? 8 Answers 8 ...
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Why doesn't C# support the return of references?

... I Section 8.2.1.1, "Managed pointers and related types" for information about this feature of .NET. It is entirely possible to create a version of C# which supports both these features. You could then do things like static ref int Max(ref int x, ref int y) { if (x > y) return ref x; ...
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How do I get the current GPS location programmatically in Android?

...e(), 1); if (addresses.size() > 0) { System.out.println(addresses.get(0).getLocality()); cityName = addresses.get(0).getLocality(); } } catch (IOException e) { e.printStackTrace(); } String s = lon...
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What is the function of the push / pop instructions used on registers in x86 assembly?

When reading about assembler I often come across people writing that they push a certain register of the processor and pop it again later to restore it's previous state. ...
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Evaluating a mathematical expression in a string

...en if you use set __builtins__ to None it still might be possible to break out using introspection: eval('(1).__class__.__bases__[0].__subclasses__()', {'__builtins__': None}) Evaluate arithmetic expression using ast import ast import operator as op # supported operators operators = {ast.Add: o...