Security Stocks Bond Equities Shares 区别

Securities:证券,是各类财产所有权或债权凭证的通称,是用来证明证券持有人有权依票面所载内容,取得相就权益的凭证。所以,证券的本质是一种交易契约或合同,该契约或合同赋予合同持有人根据该合同的规定,对合同规定的标的采取相应的行为,并获得相应的收益的权利。按其性质不同可将证券分为证据证券,凭证证券和有价证券。有价证券又可分为:(1)资本证券,如股票、债券等;(2)货币证券,包括银行券、银行票据等;(3)财物证券,如货运单、提单、栈单等。 An instrument representing ownership (stocks), a debt agreement (bonds) or the rights to ownership (derivatives). A security is essentially a contract that can be assigned a value and traded. Examples of a security include a note, stock, preferred share, bond, debenture, option, future, swap, right, warrant, or virtually any other financial asset. Securities are…

git command line commit

Git has a “staging area” where files need to be added before being committed, you can read an explanation of it here. So if you make some change and commit directly, you get some message like: no changes added to commit (use “git add” and/or “git commit -a”) preview Before you add, you could have…

windows powershell vs cmd

CMD vs Powershell Questions: Does powershell support all commands as cmd.exe does? How do I quickly start PowerShell? (something like Windows-Key + R -> cmd) Is there any case where I would favor cmd over powershell? Anwser Yes, you can mostly use all the external commands that you would use in cmd much the same…

How SSL works

Simple version Your web browser downloads the web server’s certificate, which contains the public key of the web server. This certificate is signed with the private key of a trusted certificate authority. Your web browser comes installed with the public keys of all of the major certificate authorities. It uses this public key to verify…

merge audio and video from youtube.

Recently youtube has separated the video and audio file while you download stuff from it. You might end up with 2 mp4 files: one for video and other for audio. To merge them, a easy way is to use the ffmpeg. The command could be: ffmpeg.exe -i pathOfAudio -i pathOfVideo -acodec copy -vcodec copy output.mp4 To make…

Git vs SVN

The key difference is that it is decentralized. Imagine you are a developer on the road, you develop on your laptop and you want to have source control so that you can go back 3 hours. SVN has the advantage that it’s MUCH simpler to learn: There is your repository, all changes to towards it,…