## 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950package anno;import java.io.ByteArrayOutputStream;import ...

problemGiven n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it is able to trap after r ...

Partial12345678910111213interface A { name: string; age: number};type Partial<T> = { [K in keyof T]?: T[K] };type Part ...

Set stopasgroup to true to tell supervisor to send the stop signal to the whole process group to prevent orphaned processes when starting/stopping sup ...

tsconfig.json123456789101112131415161718{ "compilerOptions": { "outDir": "../out-tsc/app", "baseUr ...

An interface can be named in an extends or implements clause, but a type alias for an object type literal cannot.An interface can have multiple merged ...

装饰器执行时机修饰器对类的行为的改变，是代码编译时发生的（不是TypeScript编译，而是js在执行机中编译阶段），而不是在运行时。这意味着，修饰器能在编译阶段运行代码。也就是说，修饰器本质就是编译时执行的函数。在Node.js环境中模块一加载时就会执行 编译ts文件tsc test1.ts –t ...

数字签名直接对消息签名 对消息对散列值签名 用处识别修改，不是防止修改，修改没问题，但是验证签名会失败对于防止否认，能生成签名的私钥只有发送这才能持有，所以只有发送者才能签名，那么发送者就没法说“签名不是我的”，但是如果说“我的私钥被盗了”，就会有可能否认 公钥证书验证数字签名需要合法的公钥，那么如 ...

AMD CMD 规范amd├── index.html├── main.js├── module1.js├── module2.js├── module3.js└── require.js module1.js 123456789define('module1', function() ...

Implement instanceof1234567891011function myInstanceOf(left, right) { if(typeof left !== 'object' || typeof left === null) return false; let pr ...