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How do I determine whether my calculation of pi is accurate?

...various methods to implement a program that gives the digits of pi sequentially. I tried the Taylor series method, but it proved to converge extremely slowly (when I compared my result with the online values after some time). Anyway, I am trying better algorithms. ...
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You have not concluded your merge (MERGE_HEAD exists)

I made a branch called 'f' and did a checkout to master. When I tried the git pull command I got this message: 13 Answers...
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How to declare variable and use it in the same Oracle SQL script?

...nd variable. The mechanism for assigning values to a VAR is with an EXEC call: SQL> var name varchar2(20) SQL> exec :name := 'SALES' PL/SQL procedure successfully completed. SQL> select * from dept 2 where dname = :name 3 / DEPTNO DNAME LOC ---------- -------------- ...
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How to get a subset of a javascript object's properties

...og(picked); // { a: 5, c: 7 } From Philipp Kewisch: This is really just an anonymous function being called instantly. All of this can be found on the Destructuring Assignment page on MDN. Here is an expanded form let unwrap = ({a, c}) => ({a, c}); let unwrap2 = function({a, ...
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Position icons into circle

...<img> elements into a circle around another and have those elements all be clickable links as well? I want it to look like the picture below, but I have no idea how to achieve that effect. ...
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Skip first entry in for loop in python?

... Not for all iterables, but for all sequences. – Sven Marnach Apr 9 '12 at 20:27 2 ...
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What is the difference between typeof and instanceof and when should one be used vs. the other?

... @Luke generally a bad idea to use "new String" like this. that creates a "string object" rather than a string primitive. see section here developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/… – Colin D ...
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Getting jQuery to recognise .change() in IE

...Pacifika: Not for me in IE7. At least it gets that right. "click" is a totally different event from "change" and there are at least some cases (if not all) where it's an inappropriate substitute. – Bobby Jack Jul 9 '09 at 11:27 ...
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How to add “active” class to Html.ActionLink in ASP.NET MVC

...ges, it would be smart to have a way to apply that selected class automatically based on the current page rather than copy the menu multiple times and do it manually. The easiest way is to simply use the values contained in ViewContext.RouteData, namely the Action and Controller values. We could b...
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What is The Rule of Three?

...in various contexts, and we should understand what "copying an object" actually means. Let us consider a simple example: class person { std::string name; int age; public: person(const std::string& name, int age) : name(name), age(age) { } }; int main() { person a("Bjar...