HiGHS is a high performance serial and parallel solver for large scale sparse linear optimization problems of the form $$ \min \quad \dfrac{1}{2}x^TQx + c^Tx \qquad \textrm{s.t.}~ \quad L \leq Ax \leq ...

“I think I enjoy it so much because when I’m solving a Sudoku ... Dai is known for employing a variety of advanced Sudoku techniques, including X-Wing (involving looking at single numbers ...

As X continues to alienate advertisers, even recently suing a group over their boycott of the platform, the company is shifting its creator payments policy to be less dependent on ads. Before ...

Brazil's highest court ruled that X can come back online after its billionaire owner Elon Musk backed down from a public tussle with the country's judicial system over misinformation. "X is proud ...

An icon in the shape of a lightning bolt. Impact Link X's saga in Brazil is over after a legal standoff with the country's Supreme Court that started in August. The Elon Musk-run social media ...

Increasing difficulty and simple layout, Sudoku puzzle magazine. Buy a single copy of PUZZLER SUDOKU PUZZLES or a subscription of your desired length, delivered worldwide. Current issues sent same day ...

X is making changes to its Creator Revenue Program that removes ads from the equation. Credit: NICOLAS TUCAT/AFP via Getty Images X, the Elon Musk-owned platform formerly known as Twitter, is ...

Stay up-to-date on the latest science news from Science X. Proof of the conjecture—commonly ... I never expected to be able to solve this one." In a sense, Tiep and his colleagues have been ...

On Tuesday, Brazilian Supreme Court Justice Alexandre de Moraes ordered the country’s telecommunications agency Anatel to unblock X within 24 hours, writing that it has fulfilled “all the ...

Mark is a freelance tech journalist covering software, cybersecurity, and SaaS. His work has appeared in Dow Jones, The Telegraph, SC Magazine, Strategy, InfoWorld, Redshift,… X published its first ...

The answer to this week’s contest crossword is an eight-letter word that I hope sums up your solving experience. Email your answer in the subject line to crosswordcontest@wsj.com.

The valuation of social media platform X has dropped dramatically in the eyes of major investment firm Fidelity, according to multiple reports. The market value of Fidelity Blue Chip Growth Fund's ...