关于睡眠,还是件大事!

小日子 / 阅读

2022.09.16

关于睡眠,还是件大事!

确保最佳的睡眠,能使工作效率达到最大化,使大脑、身体、神经都处于最佳的状态。

The URL interface

Reading Notes / JavaScript Notes

2021.03.02

The URL interface

The built-in URL class provides a convenient interface for creating and parsing URLs.

Common built-in array methods in JavaScript

Reading Notes / JavaScript Notes

2021.03.01

Common built-in array methods in JavaScript

The JavaScript Array object defines a number of methods that you can use to work with arrays. Here's common ones you might encounter daily.

Binary heap representation

Reading Notes / Java Notes

2020.02.10

Binary heap representation

The binary heap is a data structure, in which the keys are store in an array such that each key is guaranteed to be larger than (or equal to) the keys at two other specific positions. In turn, each of those keys must be larger than (or equal to) two additional keys, and so forth. This ordering is easy to see if we view the keys as being in a binary tree structure with edges from each key to the two keys known to be smaller.

Memory usage in Java

Reading Notes / Java Notes

2020.02.03

Memory usage in Java

Memory usage is well-defined for Java on your computer that every value requires precisely the same amount of memory each time that you run your program. But Java is implemented on a very wide range of computational devices, and memory consumption is implementation-dependent. So, following is some *typical* values that subject to machine dependencies.

Nginx Built-in Variables

Reading Notes / Web Notes

2020.01.21

Nginx Built-in Variables

Nginx variables that are pre-defined by either the Nginx core or Nginx modules are called "built-in variables".

Nginx Variables

Reading Notes / Web Notes

2020.01.20

Nginx Variables

Variables are just container holding various values. For Nginx, variables can hold only one type of values, that is, strings (3rd-party modules not included).

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