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PMU Interrupts: How to handle them | Wenxuan Shi

PMU interrupts act as an essential role between hardware and software. It gives the software the ability to gain insight into its execution on the hardware. In this article, I introduce you to the power of PMU and PMI and how to use them to achieve your goal.

Asynchronous Mutex | Wenxuan Shi

Asynchronous programs can also be applied on multi-thread system through thread pool. However, using mutex in it might be a problem.

心灵鸡汤

哲理小故事、鹦鹉

  一个人去买鹦鹉,看到一只鹦鹉前标:此鹦鹉会两门语言,售价二百元。

  另一只鹦鹉前则标道:此鹦鹉会四门语言,售价四百元。

  该买哪只呢?两只都毛色光鲜,非常灵活可爱。这人转啊转,拿不定主意。

  结果突然发现一只老掉了牙的鹦鹉,毛色暗淡散乱,标价八百元。

  这人赶紧将老板叫来:这只鹦鹉是不是会说八门语言?

  店主说:不。

  这人奇怪了:那为什么又老又丑,又没有能力,会值这个数呢?

  店主回答:因为另外两只鹦鹉叫这只鹦鹉老板。

  【哲理故事感悟】这故事告诉我们,真正的'领导人,不一定自己能力有多强,只要懂信任,懂放权,懂珍惜,就能团结比自己更强的力量,从而提升自己的身价。

相反许多能力非常强的人却因为过于完美主义,事必躬亲,什么人都不如自己,最后只能做最好的攻关人员,销售代表,成不了优秀的领导人。

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Apple’s Live Photo: Two Separated Files

CS PhD student at Northwestern.

Why I stopped using Linux as a daily Desktop Environment

CS PhD student at Northwestern.

VSCode Search: Exclude & Except

CS PhD student at Northwestern.

Inspect Element of macOS system App | Wenxuan Shi

I bet you know serveral native Apps on macOS is written in HTML.

Inline Assembly Language in C | Wenxuan Shi

Writing assembly code is hard and boring! However, if you want to set regisiters, read memories, sometimes you must do the dirty work.

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    低级形式是纯粹的目的。中级形式是手段而不是目的。高级形式既是手段又是目的。形式不仅是传递思想的手段——形式即思想。

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