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Trying to mock datetime.date.today(), but not working

Can anyone tell me why this isn't working? 19 Answers 19 ...
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About “*.d.ts” in TypeScript

I'm feeling curious about *.d.ts because I'm a newbie in TypeScript. And I was told by someone that this kind of file is something like "head file" in C++ but for JS only. But I cannot convert a pure JS file to *.d.ts file unless I forcely change the *.js to *.ts . So I have three files: a JS...
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Why does python use 'else' after for and while loops?

I understand how this construct works: 21 Answers 21 ...
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Rollback to an old Git commit in a public repo

How can I go about rolling back to a specific commit in git ? 11 Answers 11 ...
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C# HttpClient 4.5 multipart/form-data upload

Does anyone know how to use the HttpClient in .Net 4.5 with multipart/form-data upload? 10 Answers ...
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In C++, what is a virtual base class?

I want to know what a " virtual base class " is and what it means. 11 Answers 11 ...
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What is the difference between POST and GET? [duplicate]

I've only recently been getting involved with PHP/AJAX/jQuery and it seems to me that an important part of these technologies is that of POST and GET . ...
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jQuery pass more parameters into callback

Is there a way to pass more data into a callback function in jQuery? 14 Answers 14 ...
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Update R using RStudio

How can I update R via RStudio? 10 Answers 10 ...
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Ruby: Can I write multi-line string with no concatenation?

Is there a way to make this look a little better? 16 Answers 16 ...