Posts
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手写正式笔记的目的
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Conclusions related to special matrix patterns
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Kindle jailbreak with an installation of MRPI, KUAL and KoReader
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Tips for using Wacom tablet
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Directly open an Org roam node by id from other programs
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When I get lost among the hierarchical headings in Org mode
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Minimization of a functional for solving linear problems
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Emacs tips learned and practiced in 2025 Week 23
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Understanding about Jacobian matrix
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Understanding about the Lagrange multiplier method and its application in PDEs