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JVM runtime data area

Runtime data is living in execution of application.Some of data area are JVM-wise, means they create upon JVM startup and destroy when JVM shutdown.Other data are thread specific, means their lifecycl
2021-09-11
development
#java #jvm

STOMP tutorial

connection explanationupgrade HTTP to Websocket123ws://localhost:port/{stomp endpoint}/{serverid}/{sessionid}/websocket stomp endpointTo define the path prefix to upgrad
2021-06-05
development
#java #network #spring

Cryptographical Cheatsheet

referenceSOF ASN.1An abstract notion language that can be used to describe protocols. For instance, the code below is simplest sample to define a protocol called FooWe use ASN.1 language to do protoco
2021-03-06
operation
#security #openssl

Italiano Possessives

possession MS FS MP FP My/Mine il mio la mia i miei le mie Your/Yours il tuo la tua i tuoi le tue His/Hers/Its il suo la sua i suoi le sue Our/Ours il nostro la no
2021-01-08
study
#language

Italiano Question

origin english italiano where dove when quando how come which quale what cosa who chi why perchè english italiano how tall quanto how much quanta how many (count noun) q
2021-01-08
study
#language #italian

Computational Complexity Analysis

problem大千世界,问题千万.世间的一切都可以是我们的问题: 天上有没有神仙 地下有没有地府 明天会不会下雨 考试会不会及格 那个妹子会不会接受我 这个数组的最大值是不是42 那个数组的从小到大的排序结果是不是1,2,3,4,5 诸如此类的问题我们都可以称之为问题.可以看出我们的问题都是有一个特定的问法 1就是指某个事件/事物是否符合/满足一个特定的预期? 像这样的问题我们称之
2020-08-16
study
#algorithm

GPG fail to sign

On Mac, if you use gpg for git signature generation, you will be getting fail to sign if you need passphrase.This is because git shell does not prompt you to type passphrase, but since gpg needs passp
2020-06-09
development
#git #gpg

File Descriptor VS Socket

file descriptorFD is the ultimate abstraction of any sort of resources in Linux system.This is to generalize all operations to all kinds device/file etc., With it, regular device, file, socket, p
2020-04-29
development
#linux #c

Mainboard Communication Protocal

Interface/SlotPATA SATA, mSATA M.2 PCI-E Bus/LinePATA SATA3 PCI-E Driver softwareIDEThe very old one, supports mostly PATA AHCITechnology after IDE supports mostly HD and SSD, but it is des
2020-04-08
study
#hardware

Italiano Ingredient

Italian has three ways to express the presence of an ingredient in the name of a dish: Dish di ingredientthe ingredient is the main or only component of the dish.e.g. “succo di limone” (lemon juice)
2020-03-15
study
#language
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