Go 使い方メモ 2
package main import ( "fmt" ) type myType int func for_range(array []int) { for i := range array { if i % 2 == 0 && array[i] % 2 == 0 { fmt.Println(array[i]) } } } func (value myType) printmethod() { fmt.Println(value) } func (value *myType) setfrompointer(newval myType) { *value = newval } func (value *myType) addval(incval myType) myType { *value += incval return *value } func main() { argarray := []int{1,2,4,5,7,8} for_range(argarray) fmt.Println(" ") var z myType = 123 z.printmethod() z.setfrompointer(45) z.printmethod() z.addval(3) z.printmethod() fmt.Println(" ") }
Go 使い方メモ 1
package main import ( "strconv" "fmt" ) type struct_test struct { X int Y int } func add(x int,y int) int { return x + y } func add_minus(x, y int)(string,string) { addval := x + y minusval := x - y return strconv.Itoa(addval),strconv.Itoa(minusval) } func isminus(x int) bool { retbool := false if x < 0 { retbool = true } return retbool } func add_for(x,loop int)(result int) { var sum = 0 for i := 0; i < loop;i++ { sum = sum + x } return sum } func to_byte(targetstr string) []byte { return []byte(targetstr) } func main() { retadd := add(1,3) fmt.Println(retadd) fmt.Println(" ") retplus,retminus := add_minus(10,5) fmt.Println(retplus) fmt.Println(retminus) fmt.Println(" ") strct1 := struct_test{3,4} strct1.X = 5 fmt.Println(strct1.X , strct1.Y) strct1.Y += 3 fmt.Println(strct1.X , strct1.Y) p := &strct1 p.X = 30 fmt.Println(strct1.X , strct1.Y) fmt.Println(" ") var retfor = add_for(2,10) fmt.Println(retfor) fmt.Println(" ") var retbs []byte = to_byte("テスト") fmt.Println(string(retbs)) fmt.Println(len(retbs)) fmt.Println(" ") retbl := isminus(-10) fmt.Println(retbl) fmt.Println(" ") }
OpenShiftでmysqlのバックアップ・アップロード
ログインしてmysqldump実行
rhc ssh -a $APPNAME mysqldump -h $HOST -p $HOST -u $USER --password=$PASSWORD $APPNAME > /sandbox/backup.sql exit
※$HOSTはphpmyadminで確認
ダウンロード
rhc scp $APPNAME download /$SAVE_LOCAL_PATH /sandbox/backup.sql
アップロードとリストア
rhc scp $APPNAME upload /$SAVE_LOCAL_PATH/restore.sql /sandbox/restore.sql mysql -u $USER -p$PASS redmine < /sandbox/restore.sql
Gitでbranch
branch作成
git branch test
一覧
git branch
ブランチを変更
git checkout test
反映
git add . git commit -m “comment"
Push
git push -u origin test
masterに取り込む
git checkout master git merge test
SQLite3 でテーブル一覧取得
.tables
Ubuntu 14 Python3.4でvenv
sudo apt-get install python3.4-venv pyvenv-3.4 targetdir cd targetdir source bin/activate
sudo apt-get install python3-venvだとnot foundなので python3.4-venv