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# VFS(Virtual FilesyStems) | ||
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之前接触PDF[js-pdf](https://parallax.github.io/jsPDF/docs/module-vFS.html)时,也遇到加载[字体时,也有这个概念virtual-fs](https://github.com/bpampuch/pdfmake/blob/master/src/virtual-fs.js) | ||
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看到[云风博客](https://blog.codingnow.com/2024/02/vfs_plan.html#more)上说他们游戏使用VFS来加载文件,坐版本关联也是如此,类似git的文件管理模式 | ||
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- [Virtual File Systems with a node fs-like API ](https://github.com/kba/vfs) | ||
- [github VFS - Virtual File System, This module is a vfs implementation for node.js. Originally it was created for our internal needs at Cloud9IDE. ](https://github.com/c9/vfs) | ||
- [In-memory filesystem written in JavaScript for Node.js and Browsers ](https://github.com/MatrixAI/js-virtualfs) | ||
- [go github A FileSystem Abstraction System for Go 抽象的VFS](https://github.com/spf13/afero) | ||
- [相比afero,增加了其他云平台的继承,如S3,Azure](https://github.com/C2FO/vfs) | ||
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## Hash List | ||
Merkle tree,也称Hash Tree,就是存储hash的一棵树,叶子是数据块(如文件或文件集合等)的hash值,非叶子节点对应子节点串联字符串的hash |
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# 几何 | ||
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## 平面几何Plane Geometry | ||
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高中的立体几何问题会转化为平面几何问题,高中数学学习更加需要逻辑的严谨性,而初中平面几何对于逻辑能力培养帮助巨大 | ||
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平面几何的教育意义 | ||
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- 逻辑的严谨性 | ||
- 学习证明过程,平面几何的学习强调证明过程,学生需要学习如何通过逻辑推理来证明几何定理和命题。这种证明过程要求学生遵循严格的逻辑顺序,从而培养他们的逻辑严谨性 | ||
- 理解数学原理,通过学习平面几何,学生可以深入理解数学原理,如欧几里得几何的公理系统。这些原理是数学逻辑的基础,有助于学生建立起对数学概念的深刻理解 | ||
- 培养批判性思维,平面几何的学习要求学生对所学知识进行质疑和验证,每一步都问自己是不是做到了无懈可击,想方设法批判自己的表达,给自己找茬,这有助于培养学生的批判性思维能力,养成独立思考的习惯。 | ||
- 强化逻辑表达,在平面几何的学习中,学生需要学会如何清晰严谨准确地表达自己的推理过程。这种训练有助于学生在其他学科和日常生活中提高逻辑表达能力 | ||
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- 思维的缜密性 | ||
- 关注条件细节,平面几何问题往往需要对题目的每一个条件,图形的每一个细节进行仔细分析,这有助于培养学生对条件的整合能力和细节的关注能力,提高学生思维的缜密性 | ||
- 培养整体思维,解决平面几何问题通常需要从整体到局部的系统性思考,学生需要学会如何将复杂问题分解为局部问题,集中条件,解决问题。这里面往往用到化归思想 | ||
- 问题解决策略,平面几何的学习提供了多种解决问题的策略和方法,如综合法,分析法,代数运算法、反证法等。掌握这些方法与策略有助于学生在面对问题时能够更通俗地思考和解决 | ||
- 避免思维陷阱,在平面几何的学习过程中,学生会接触到各种思维陷阱,如错误的假设或遗漏的条件。 | ||
- 提高分析问题解决问题能力,平面几何问题要求学生分析题目的条件和结论,分析过程有助于提高学生的综合分析能力 | ||
- 培养耐心和细致,学生在解决复杂几何问题时需要反复推敲和验证,这种过程有助于培养他们的耐心和细致。 |
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# 习题 | ||
> 典型和分类学习 | ||
## 数学 | ||
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- [数论](/exercises/number.theory.md) | ||
- [小学数学](/exercises/math.primary.md) | ||
- [初中数学](/exercises/math.secondary.md) | ||
- [高中数学](/exercises/math.high.md) | ||
- [二次方程](/exercises/quadratic.equation.md) | ||
- [高等数学](/exercises/advanced.mathematics.md) | ||
- [夹逼法](/exercises/sequeezing.md) | ||
- [几何](/exercises/geometry.md) | ||
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## 物理学 | ||
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- [物理学](/exercises/physics.md) |
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# 中学数学 | ||
> | ||
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- 平面几何 | ||
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## 谜题类型 | ||
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# 物理学 | ||
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物理学是一门研究物质的基本结构和运动规律的基础性科学,它的研究范围非常广泛,大到宇宙天体,小到基本粒子都是其研究对象,可以说是所有自然科学的带头学科,其它各类科学都是以物理学的研究为基础发展起来的,因而物理学在所有学科中的地位非常之高。 | ||
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物理学下面又可以细分电、光、声、力、热等学科,而力学又是其重中之重,在物理学中占据主导。 | ||
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## 力学 | ||
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力学最早的研究可以追溯到古希腊时期,其中产生的最重要的科学家为阿基米德,他是古希腊最伟大的物理学家,其最突出的成就为发现了浮力定律和杠杆原理,并确立了静力学和流体静力学的基本原理,从而享有“力学之父”的美誉,是牛顿之前最伟大的物理学家。 |
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