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7 Is it possible to let amsmath warn me when the equation is too long and pushes the number to the next line? I expect either it prints Equation (1) too long to console or it makes the (1) part red. documentclass[twocolumn]{article} usepackage{amsmath} begin{document} begin{equation} A+B+C+D+R+F+G+H+I+J+L+M+N+O+P end{equation} end{document} equations amsmath share | improve this question edited 2 hours ago Symbol 1 asked 3 hours ago Symbol 1 Symb...

0 This question already has an answer here: Unable to lock the administration directory (/var/lib/dpkg/) is another process using it? 21 answers gokulraj@optimus-prime:~$ sudo apt install default-jdk E: Could not get lock /var/lib/dpkg/lock-frontend - open (11: Resource temporarily unavailable) E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it? The error is occured. apt java share | improve this question edited Feb 10 at 13:35 PerlDuck ...