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