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How to generate a git patch for a specific commit?

... commit, you can use the new git 2.9 (June 2016) option git format-patch --base git format-patch --base=COMMIT_VALUE~ -M -C COMMIT_VALUE~..COMMIT_VALUE # or git format-patch --base=auto -M -C COMMIT_VALUE~..COMMIT_VALUE # or git config format.useAutoBase true git format-patch -M -C COMMIT_VALUE~....
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Where do “pure virtual function call” crashes come from?

...bject hasn't been constructed or has already been destroyed), it calls the base class version, which in the case of a pure virtual function, doesn't exist. (See live demo here) class Base { public: Base() { doIt(); } // DON'T DO THIS virtual void doIt() = 0; }; void Base::doIt() { s...
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How can I make my own base image for Docker?

... Docker documentation , to build your own image, you must always specify a base image using the FROM instruction. 5 Answe...
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How do I change the background color of a plot made with ggplot2

...ement_rect(fill='green', colour='red')) To define your own custom theme, based on theme_gray but with some of your changes and a few added extras including control of gridline colour/size (more options available to play with at ggplot2.org): theme_jack <- function (base_size = 12, base_family ...
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Why does the indexing start with zero in 'C'?

...e decision taken by the language specification & compiler-designers is based on the decision made by computer system-designers to start count at 0. The probable reason Quoting from a Plea for Peace by Danny Cohen. IEEE Link IEN-137 For any base b, the first b^N non-negative integers are rep...
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Get Base64 encode file-data from Input Form

...ipt. The easy way: The readAsDataURL() method might already encode it as base64 for you. You'll probably need to strip out the beginning stuff (up to the first ,), but that's no biggie. This would take all the fun out though. The hard way: If you want to try it the hard way (or it doesn't work),...
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error: cannot dynamic_cast ‘b’ (of type ‘class Base*’) to type ‘c...

error: cannot dynamic_cast ‘b’ (of type ‘class Base*’) to type ‘class Derived*’ (source type is not polymorphic)在将父类型转换为子类型时,可以使用static_cast和dynamic_cast.如果使用dynamic_cast,它要求父类必须为多态的,即要求至少有一个虚函数,因此....
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Strange \n in base64 encoded string in Ruby

The inbuilt Base64 library in Ruby is adding some '\n's. I'm unable to find out the reason. For this special example: 6 Ans...
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Secure random token in Node.js

...e method crypto.randomBytes that generates a random Buffer. However, the base64 encoding in node is not url-safe, it includes / and + instead of - and _ . Therefore, the easiest way to generate such token I've found is ...
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Why are floating point numbers inaccurate?

...ould like to stress how much the representation of a number depends on the base you are working in. Consider the fraction 2/3 In good-ol' base 10, we typically write it out as something like 0.666... 0.666 0.667 When we look at those representations, we tend to associate each of them with the ...