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How to convert a string into double and vice versa?

I want to convert a string into a double and after doing some math on it, convert it back to a string. 12 Answers ...
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Why can't I initialize non-const static member or static array in class?

... Why I can't initialize static data members in class? The C++ standard allows only static constant integral or enumeration types to be initialized inside the class. This is the reason a is allowed to be initialized while others are not. Reference: C++03 9.4.2 Static data members §4 ...
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What requirement was the tuple designed to solve?

...urn, or when you want to key a dictionary off of two data rather than one, and so on. Languages like F# which support tuple types natively provide a great deal of flexibility to their users; they are an extremely useful set of data types. The BCL team decided to work with the F# team to standardi...
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What is the difference between Raising Exceptions vs Throwing Exceptions in Ruby?

Ruby has two different exceptions mechanisms: Throw/Catch and Raise/Rescue. 3 Answers ...
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How do I move forward and backward between commits in git?

I am doing a git bisect and after arriving to the problematic commit, I am now trying to get a step forward/backward to make sure I am in the right one. ...
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How do you force Visual Studio to regenerate the .designer files for aspx/ascx files?

... If you open the .aspx file and switch between design view and html view and back it will prompt VS to check the controls and add any that are missing to the designer file. In VS2013-15 there is a Convert to Web Application command under the Project ...
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Android studio, gradle and NDK

I am very new to this whole gradle and Android Studio support. I have managed to convert my android project to gradle using the export option. ...
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Best way to structure a tkinter application? [closed]

... root = tk.Tk() MainApplication(root).pack(side="top", fill="both", expand=True) root.mainloop() The important things to notice are: I don't use a wildcard import. I import the package as "tk", which requires that I prefix all commands with tk.. This prevents global namespace pollution, ...
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How to make shallow git submodules?

...dule update" can optionally clone the submodule repositories shallowly. (And git 2.10 Q3 2016 allows to record that with git config -f .gitmodules submodule.<name>.shallow true. See the end of this answer) See commit 275cd184d52b5b81cb89e4ec33e540fb2ae61c1f: Add the --depth option to th...
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Best documentation for Boost:asio?

... First, I've been using Boost.Asio for quite a while already -- and I share your concern. To address your question: There really is very scarce documentation about Boost.Asio aside from the introduction and tutorial. I am not the author, but this is mostly because there are just too man...