| // haversin(θ) function | |
| func hsin(theta float64) float64 { | |
| return math.Pow(math.Sin(theta/2), 2) | |
| } | |
| // Distance function returns the distance (in meters) between two points of | |
| // a given longitude and latitude relatively accurately (using a spherical | |
| // approximation of the Earth) through the Haversin Distance Formula for | |
| // great arc distance on a sphere with accuracy for small distances | |
| // |
| go test -run=. -bench=. -benchtime=5s -count 5 -benchmem -cpuprofile=cpu.out -memprofile=mem.out -trace=trace.out ./package | tee bench.txt | |
| go tool pprof -http :8080 cpu.out | |
| go tool pprof -http :8081 mem.out | |
| go tool trace trace.out | |
| go tool pprof $FILENAME.test cpu.out | |
| # (pprof) list <func name> | |
| # go get -u golang.org/x/perf/cmd/benchstat | |
| benchstat bench.txt |
| package main | |
| import ( | |
| "bufio" | |
| "fmt" | |
| "os" | |
| "strings" | |
| "unicode" | |
| ) | |
| func mySplit(s string) []string { |
| func InsertStructValueFromMultipart(form map[string][]string, tipe interface{}) { | |
| refValue := reflect.ValueOf(tipe) | |
| newTipe := refValue.Elem() | |
| indirect := reflect.Indirect(refValue).Type() // remove pointer | |
| for i := 0; i < indirect.NumField(); i++ { | |
| value := form[indirect.Field(i).Tag.Get("json")] | |
| if len(value) > 0 && value[0] != "" && value[0] != "null" { | |
| newTipe.Field(i).SetString(strings.Trim(value[0], " ")) | |
| } |
| class Solution: | |
| def lengthOfLongestSubstring(self, strings): | |
| self.strings = strings | |
| self.panjangs = [0] | |
| self.sudah = [] | |
| for char in self.strings: | |
| if char not in self.sudah: | |
| self.sudah.append(char) | |
| self.panjangs[len(self.panjangs)-1] += 1 | |
| else: |
| pg_restore --clean --no-acl --no-owner -d <database> -U <user> <filename.dump> |
