warning 코드 정리

@@ -19,7 +19,7 @@ const NavBar = (props) => {
       <Navbar style={{'backgroundColor': '#940f0f', 'display':'block'}} light expand="md" fixed="top">
       <Container className="themed-container">
         <span>
-            <a href='/'><img src="logo.png" width="50" /></a>
+            <a href='/'><img src="logo.png" alt="logo" width="50" /></a>
         </span>
         <NavbarBrand href="/" style={{'marginLeft':'1.5rem', 'color':'#fff'}}>MEALKHU</NavbarBrand>
         <NavbarToggler onClick={toggle} />
@@ -35,7 +35,7 @@ const NavBar = (props) => {
                 <NavLink href="/mypick" style={{'color':'#fff'}}>MyPick</NavLink>
               </NavItem>
             </Nav>
-            <NavbarText><a href="http://khuhub.khu.ac.kr/2019102227/TermProject" target="_blank" rel="noopener" style={{'color':'#fff', 'textDecoration':'none'}}>OSS Project</a></NavbarText>
+            <NavbarText><a href="http://khuhub.khu.ac.kr/2019102227/TermProject" target="_blank" rel="noopener noreferrer" style={{'color':'#fff', 'textDecoration':'none'}}>OSS Project</a></NavbarText>
           </Collapse>  
         </Container>
       </Navbar>

@@ -41,7 +41,7 @@ const MealCard = (props) => {
         }).then(response => response.json())
         .then(result => {
           if(result.message === 'delete success') {
-            alert('delete success');
+            alert('삭제 완료');
             window.location.href = "/mypick";
           } else if(result.message === 'delete error') {
              alert('delete error');

@@ -11,7 +11,6 @@ const LandingPage = (props) => {
     const [datas, setDatas] = useState([]);
     const [filteredDatas, setFilteredDatas] = useState([]);
     const [RandomCards, setRandomCards] = useState([]);
-    const [isLoading, setIsLoading] = useState(false);
     const [all, setAll] = useState(false);
     const [Kfood, setKfood] = useState(false);
     const [Cfood, setCfood] = useState(false);
@@ -28,16 +27,13 @@ const LandingPage = (props) => {
         const fetchData = async () => {
             const result = await axios(
               '/api/datas',
-              // localhost로 바꾸기
             );
             setDatas(result.data);
-            setIsLoading(true);
           };
           fetchData();
     }, []);
 
     useEffect(() => {
-        setIsLoading(false);
         let result = [];
         const states = [Kfood, Cfood, Jfood, meat, snackfood, pub, fastfood, cafe, etc];
         const types = [['한식'], ['중식'], ['일식'], ['고기'], ['분식'], ['호프', '술집'], ['패스트푸드'], ['카페', '디저트'], ['기타']];
@@ -54,7 +50,6 @@ const LandingPage = (props) => {
             }
         }
         setFilteredDatas(result);
-        setIsLoading(true);
     }, [Kfood, Cfood, Jfood, meat, snackfood, pub, fastfood, cafe, etc, datas]);
 
     useEffect(() => {

@@ -179,6 +179,7 @@ app.get("/api/mypicks", (req, res) => {
   let temp = iconv.decode(dataBuffer, "EUC-KR");
 
   connection.query(`SELECT pick FROM USER WHERE NAME='${username}';`, (err, rows, fileds) => {
+    
     let user_picks = rows[0].pick.split(',');
       temp = JSON.parse(temp);
       user_picks.pop();