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  2. LeetCode - Wikipedia

    en.wikipedia.org/wiki/LeetCode

    LeetCode LLC, doing business as LeetCode, is an online platform for coding interview preparation. The platform provides coding and algorithmic problems intended for users to practice coding . [ 1 ] LeetCode has gained popularity among job seekers in the software industry and coding enthusiasts as a resource for technical interviews and coding ...

  3. Checkstyle - Wikipedia

    en.wikipedia.org/wiki/Checkstyle

    Checkstyle [1] is a static code analysis tool used in software development for checking if Java source code is compliant with specified coding rules.. Originally developed by Oliver Burn back in 2001, the project is maintained by a team of developers from around the world.

  4. Lack-of-fit sum of squares - Wikipedia

    en.wikipedia.org/wiki/Lack-of-fit_sum_of_squares

    In statistics, a sum of squares due to lack of fit, or more tersely a lack-of-fit sum of squares, is one of the components of a partition of the sum of squares of residuals in an analysis of variance, used in the numerator in an F-test of the null hypothesis that says that a proposed model fits well.

  5. Least squares - Wikipedia

    en.wikipedia.org/wiki/Least_squares

    The result of fitting a set of data points with a quadratic function Conic fitting a set of points using least-squares approximation. The method of least squares is a parameter estimation method in regression analysis based on minimizing the sum of the squares of the residuals (a residual being the difference between an observed value and the fitted value provided by a model) made in the ...

  6. 7 ways to invest like you’re rich, even if you’re not yet

    www.aol.com/finance/7-ways-invest-rich-even...

    7. Invest in yourself. One of the smartest investments the wealthy make is in their own skills.If you have an interest in a certain area, you can upgrade your skills, whether through courses or ...

  7. Secretary problem - Wikipedia

    en.wikipedia.org/wiki/Secretary_problem

    Graphs of probabilities of getting the best candidate (red circles) from n applications, and k/n (blue crosses) where k is the sample size. The secretary problem demonstrates a scenario involving optimal stopping theory [1] [2] that is studied extensively in the fields of applied probability, statistics, and decision theory.

  8. Taraji P. Henson Wants to Move Out of the Country But Says ...

    www.aol.com/taraji-p-henson-wants-move-182919822...

    Taraji P. Henson wants to see what life is like outside of the U.S. "I've been thinking about that for a long time," the Fight Night star, 53, tells PEOPLE. "I was thinking about it the first time ...

  9. Donald Trump tests the system of checks and balances just ...

    www.aol.com/donald-trump-tests-system-checks...

    Recent presidents have long sought to use and expand executive power. If Trump succeeds, it could set him up as the supreme authority in Washington, D.C., according to legal experts, a former ...