javascript
let str = "12345.00";
str = str.substring(0, str.length - 1);
Bored Bison
let str = "12345.00";
str = str.substring(0, str.length - 1); coursesRouter.get('/:id',expressAsyncHandler(async(req,res)=>{
const pageSize = 1;
const page = Number(req.query.pageNumber) || 1;
const courseId = req.params.id;
const course = await db('id').from('courses').where('id','=',courseId)
const courseName = course[0].name
const sections = await db('course_name').from('sections').where('course_name','=',courseName).limit(pageSize).offset(pageSize * (page - 1))
const count = await db('course_name').from('sections').count('sections')
console.log( Math.ceil( count[0]/pageSize));
res.send({sections , page, pages: Math.ceil( count[0]/pageSize)})
})) ?? (The Nullish Coalescing Operator)
const foo = null ?? 'default string';
console.log(foo);
// expected output: "default string"
const baz = 0 ?? 42;
console.log(baz);
// expected output: 0
const ranking = (arr, compFn) =>
arr.map(a => arr.filter(b => compFn(a, b)).length + 1); NGGFNENg
coursesRouter.get('/:id',expressAsyncHandler(async(req,res)=>{
const pageSize = 1;
const page = Number(req.query.pageNumber) || 1;
const courseId = req.params.id;
const course = await db('id').from('courses').where('id','=',courseId)
const courseName = course[0].name
const sections = await db('course_name').from('sections').where('course_name','=',courseName).limit(pageSize)
.offset(pageSize * (page - 1))
const count = await db('course_name').from('sections').count('sections')
console.log( Math.ceil( count[0]/pageSize));
res.send({sections , page, pages: Math.ceil( count[0]/pageSize)})
}))