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Kotlin generics

kotlin generics varianceSimilar to what Java provisions, kotlin support generics and also variance, but is easier to understand and use. For instance we have a class Container that accepts T is type
2024-03-13
development
#kotlin

Thought after kill-that-shi-jia-zhuang-ian

今天在知乎上看了一篇关于《杀死那个石家庄人》歌词的解析。从这篇文章的解析中沃可以看到,主人公是一个非常麻木的人,可能很少有主动去追求自己喜欢的东西,或者也有可能是社会的压力束缚导致他没有能力去追梦。主人公在药厂工作,每天浑浑噩噩的上班下班。和一个自己不太喜欢的女人结婚,也生了孩子。不知道为什么主人公为什么不去抗拒,仍然要跟这个不爱的女人结婚,可能是生物的本能需求?一切的悲剧起源于主人公工作的药厂,
2023-11-01
myself

Concurrency Ability

concurrency abilityblockability Illustrate behavior of single thread.Emphasis on whether this thread is pause on execution or not. We consider current function is blocking function if any instructi
2023-08-14
development
#javascript #nio #kotlin

Kotlin high order function

Kotlin high order function name reference return invocation is extension with this lambda kotlin.with {} $\times$ run - lambda kotlin.run {} $\times$ run this lambda input
2023-02-24
development
#kotlin

Monad comprehensive tutorial

MathJax.Hub.Config({ tex2jax: { inlineMath: [['$','$'], ['\\(','\\)']], displayMath: [['$$','$$'], ['\[','\]']], processEscapes: true, processEnvironments: true, skipTags: ['sc
2023-02-03
development
#clojure #math

Group Definition

MathJax.Hub.Config({ tex2jax: { inlineMath: [['$','$'], ['\\(','\\)']], displayMath: [['$$','$$'], ['\[','\]']], processEscapes: true, processEnvironments: true, skipTags: ['sc
2023-01-31
development
#math

Font Attribute

https://www.cnblogs.com/guanghe/p/9068814.htmlhttps://www.jianshu.com/p/c6257701d682 Font usually has the following 2 attributes字体一般有以下两种不同的属性,这两者是正交的。 1. Sarif指字体是否具有衬线,无论英文还是中文都有可能有这种情况 sans-sarif
2022-11-03
development
#font

Linux Symbolic Link vs Hard Link

Behind the what we can see in shell, what actually stores the file metadata is what so called inode in each file system in Linux. The file content is stored in block that is pointed and managedOnce t
2022-10-28
operation
#linux

Normal Function

definitioncolumnSimply a single vertical representation of data storage in database table functional dependencyOnce providing some columns A, the other columns B are implied. This is said to be B func
2022-10-10
development
#database

OpenSSL Usage

RSA key pair create private key This will create RSA key in PKCS#1 format. 123openssl genrsa -out private.pem 1024# or use genpkeyopenssl genpkey -algorithm RSA -quiet -aes-256-cbc -pass pass:1 g
2022-09-06
operation
#security #openssl
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