{"id":1192,"date":"2021-04-27T15:36:13","date_gmt":"2021-04-27T08:36:13","guid":{"rendered":"https:\/\/ttc-solutions.com\/?p=1192"},"modified":"2021-04-27T15:36:51","modified_gmt":"2021-04-27T08:36:51","slug":"10-sai-lam-cua-mot-lap-trinh-vien-tu-hoc-phan-2","status":"publish","type":"post","link":"https:\/\/ttc-solutions.com\/vi\/10-sai-lam-cua-mot-lap-trinh-vien-tu-hoc-phan-2\/","title":{"rendered":"10 Sai L\u1ea7m C\u1ee7a M\u1ed9t L\u1eadp Tr\u00ecnh Vi\u00ean T\u1ef1 H\u1ecdc (PH\u1ea6N 2)"},"content":{"rendered":"\n<p><em>B\u00e0i vi\u1ebft c\u1ee7a&nbsp;<a href=\"http:\/\/www.radekbusa.eu\/\" target=\"_blank\" rel=\"noreferrer noopener\">Radek Busa<\/a>, m\u1ed9t full stack developer v\u00e0 l\u00e0 m\u1ed9t tech blogger l\u00e0m vi\u1ec7c t\u1ea1i ICZ, m\u1ed9t c\u00f4ng ty ph\u1ea7n m\u1ec1m l\u1edbn t\u1ea1i c\u1ed9ng h\u00f2a Czech.<\/em><\/p>\n\n\n\n<p>C\u00e1ch \u0111\u00e2y 8 n\u0103m, t\u00f4i b\u1eaft \u0111\u1ea7u con \u0111\u01b0\u1eddng l\u1eadp tr\u00ecnh c\u1ee7a m\u00ecnh v\u1edbi t\u01b0 c\u00e1ch l\u00e0 m\u1ed9t ng\u01b0\u1eddi th\u00edch t\u1ef1 h\u1ecdc. Sau \u0111\u00f3 t\u00f4i tr\u1edf th\u00e0nh m\u1ed9t l\u1eadp tr\u00ecnh vi\u00ean t\u1ef1 do, th\u1ec9nh tho\u1ea3ng l\u00e0m vi\u1ec7c cho c\u00e1c c\u00f4ng ty kh\u1edfi nghi\u1ec7p v\u1edbi ng\u00e2n s\u00e1ch th\u1ea5p. Sau m\u1ed9t th\u1eddi gian v\u1edbi nh\u1eefng c\u00f4ng ty nh\u1ecf nh\u01b0 v\u1eady, t\u00f4i \u0111\u00e3 n\u1ed9p \u0111\u01a1n v\u00e0o m\u1ed9t t\u1eadp \u0111o\u00e0n l\u1edbn, n\u01a1i m\u00e0 sau v\u00e0i n\u0103m, s\u1ef1 nghi\u1ec7p c\u1ee7a t\u00f4i \u0111\u00e3 t\u0103ng v\u1ecdt v\u00e0 t\u1ef1 tin v\u1ec1 k\u1ef9 n\u0103ng ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m c\u1ee7a m\u00ecnh. C\u00f9ng v\u1edbi \u0111\u00f3, t\u00f4i \u0111ang h\u1ecdc th\u00eam Th\u1ea1c S\u1ef9 trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m, n\u01a1i c\u00e1c gia s\u01b0 \u0111\u00e3 gi\u00fap t\u00f4i c\u00f3 \u0111\u01b0\u1ee3c ki\u1ebfn \u200b\u200bth\u1ee9c chuy\u00ean m\u00f4n trong c\u00e1c l\u0129nh v\u1ef1c ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m kh\u00e1c nhau v\u00e0 kh\u1ea3 n\u0103ng gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 logic ph\u1ee9c t\u1ea1p.<\/p>\n\n\n\n<p>Hi\u1ec7n t\u1ea1i 25 tu\u1ed5i, t\u00f4i c\u00f3 c\u00f4ng vi\u1ec7c \u0111\u1ea7u ti\u00ean sau khi t\u1ed1t nghi\u1ec7p v\u00e0, \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn l\u00e0 m\u1ed9t chuy\u00ean gia c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft nhi\u1ec1u v\u1ea5n \u0111\u1ec1 ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m chuy\u00ean bi\u1ec7t, c\u0169ng \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1ed3ng nghi\u1ec7p k\u00ednh tr\u1ecdng. Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng su\u00f4n s\u1ebb nh\u01b0 v\u1eady v\u00e0 \u0111\u00e3 c\u00f3 m\u1ed9t giai \u0111o\u1ea1n kh\u00f3 kh\u0103n khi t\u00f4i l\u00e0 m\u1ed9t l\u1eadp tr\u00ecnh vi\u00ean t\u1ef1 h\u1ecdc m\u00e0 kh\u00f4ng c\u00f3 \u0111\u1ecbnh h\u01b0\u1edbng v\u00e0 ch\u1ec9 t\u1eadp trung v\u00e0o vi\u1ec7c l\u00e0m sao \u0111\u1ec3 vi\u1ebft ph\u1ea7n m\u1ec1m th\u1eadt nhanh.<\/p>\n\n\n\n<p>Trong b\u00e0i vi\u1ebft n\u00e0y, t\u00f4i s\u1ebd chia s\u1ebb v\u1ec1 10 sai l\u1ea7m c\u1ee7a m\u1ed9t l\u1eadp tr\u00ecnh vi\u00ean t\u1ef1 h\u1ecdc m\u00e0 b\u1ea1n c\u1ea7n bi\u1ebft v\u00e0 tr\u00e1nh tr\u01b0\u1edbc khi m\u1eafc ph\u1ea3i.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h5 class=\"wp-block-heading\">5. L\u00e0m vi\u1ec7c v\u1edbi th\u00e1i \u0111\u1ed9 \u201cCh\u1ec9 c\u1ea7n ho\u1ea1t \u0111\u1ed9ng\u201d<\/h5>\n\n\n\n<p>T\u00f4i \u0111\u00e3 kh\u00f4ng t\u1eadp trung v\u00e0o ch\u1ea5t l\u01b0\u1ee3ng k\u1ef9 thu\u1eadt c\u1ee7a s\u1ea3n ph\u1ea9m c\u1ee7a m\u00ecnh. \u0110i\u1ec1u th\u1ef1c s\u1ef1 duy nh\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi t\u00f4i l\u00e0 ch\u1ee9c n\u0103ng cho kh\u00e1ch h\u00e0ng v\u00e0 ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i.&nbsp;<\/p>\n\n\n\n<p>T\u00f4i \u0111\u00e3 c\u00f3 phong c\u00e1ch code c\u1ee7a ri\u00eang m\u00ecnh, l\u00fac \u0111\u00f3, t\u00f4i c\u1ea3m th\u1ea5y m\u00ecnh l\u00e0m vi\u1ec7c hi\u1ec7u qu\u1ea3. T\u00f4i cho r\u1eb1ng kh\u00f4ng ai kh\u00e1c ngo\u00e0i t\u00f4i s\u1ebd \u0111\u1ecdc ho\u1eb7c ch\u1ec9nh s\u1eeda code c\u1ee7a m\u00ecnh. \u0110\u00f3 l\u00e0 m\u1ed9t sai l\u1ea7m kh\u1ee7ng khi\u1ebfp.<\/p>\n\n\n\n<p>Sau \u0111\u00f3, m\u1ed9t trong nh\u1eefng d\u1ef1 \u00e1n c\u1ee7a t\u00f4i \u0111\u00e3 ph\u00e1t tri\u1ec3n t\u1eeb h\u00ecnh th\u1ee9c \u0111\u1eb7t h\u00e0ng \u0111\u01a1n gi\u1ea3n th\u00e0nh m\u1ed9t c\u1eeda h\u00e0ng \u0111i\u1ec7n t\u1eed nh\u1ecf. Ch\u00fang t\u00f4i mu\u1ed1n thu\u00ea c\u1ed9ng t\u00e1c vi\u00ean. M\u1ecdi ng\u01b0\u1eddi \u0111\u1ecdc code v\u00e0 g\u1eb7p r\u1eafc r\u1ed1i v\u1edbi code n\u00e0y. \u0110\u1ed9t nhi\u00ean, t\u00f4i nh\u1eadn ra r\u1eb1ng kh\u00f4ng ph\u1ea3i l\u00e0 v\u1ea5n \u0111\u1ec1 \u1edf kh\u00e1ch h\u00e0ng \u2013 \u0111\u00f3 l\u00e0 v\u1ea5n \u0111\u1ec1 c\u1ee7a t\u00f4i \u2013 code c\u1ee7a t\u00f4i c\u1ea3n tr\u1edf s\u1ef1 ph\u00e1t tri\u1ec3n kinh doanh c\u1ee7a kh\u00e1ch h\u00e0ng v\u00ec t\u00f4i \u0111\u00e3 kh\u00f4ng tu\u00e2n th\u1ee7 ch\u1ea5t l\u01b0\u1ee3ng code v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n code \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u01b0a ra.&nbsp;<\/p>\n\n\n\n<p>Gi\u1edd \u0111\u00e2y, t\u00f4i \u0111\u01b0a t\u00ednh d\u1ec5 \u0111\u1ecdc c\u1ee7a code l\u00ean \u0111\u1ea7u danh s\u00e1ch \u01b0u ti\u00ean. T\u00f4i c\u1ed1 g\u1eafng vi\u1ebft code \u0111\u01a1n gi\u1ea3n nh\u1ea5t c\u00f3 th\u1ec3.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h5 class=\"wp-block-heading\">6. Xem h\u00e0ng tr\u0103m h\u01b0\u1edbng d\u1eabn nh\u01b0ng ch\u01b0a bao gi\u1edd t\u00ecm hi\u1ec3u s\u00e2u.<\/h5>\n\n\n\n<p>Xem c\u00e1c h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u1eefng ng\u01b0\u1eddi x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng web t\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u1ee9ng d\u1ee5ng c\u1ee7a t\u00f4i \u0111\u00e3 gi\u00fap t\u00f4i c\u00f3 \u0111\u01b0\u1ee3c nh\u1eefng ki\u1ebfn \u200b\u200bth\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 l\u1eadp tr\u00ecnh th\u1ef1c h\u00e0nh. Khi t\u00f4i c\u1ed1 g\u1eafng gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 kh\u00f3 h\u01a1n, t\u00f4i \u0111\u00e3 tin t\u01b0\u1edfng sai l\u1ea7m r\u1eb1ng nh\u1eefng t\u00e0i li\u1ec7u \u0111\u00f3 \u0111\u1ee7 \u0111\u1ec3 gi\u00fap t\u00f4i gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 g\u1eb7p ph\u1ea3i. Khi xem t\u1ea5t c\u1ea3 c\u00e1c h\u01b0\u1edbng d\u1eabn \u0111\u00f3, t\u00f4i ch\u1ec9 hi\u1ec3u \u0111\u01b0\u1ee3c nh\u1eefng c\u1ea5u tr\u00fac c\u01a1 b\u1ea3n nh\u1ea5t c\u1ee7a ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh. T\u00f4i \u0111\u00e3 s\u1eed d\u1ee5ng c\u00e1c c\u1ea5u tr\u00fac c\u01a1 b\u1ea3n \u0111\u00f3 \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 ph\u1ee9c t\u1ea1p, t\u1eeb \u0111\u00f3 l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng code, t\u1edbi m\u1ee9c kh\u00f4ng ai mu\u1ed1n ch\u1ec9nh s\u1eeda code \u0111\u00f3 n\u1eefa.<\/p>\n\n\n\n<p>Sau khi ho\u00e0n th\u00e0nh m\u00f4n h\u1ecdc \u0111\u1ecbnh h\u01b0\u1edbng l\u1eadp tr\u00ecnh \u0111\u1ea7u ti\u00ean \u1edf tr\u01b0\u1eddng \u0111\u1ea1i h\u1ecdc, cu\u1ed1i c\u00f9ng t\u00f4i \u0111\u00e3 hi\u1ec3u c\u00e1ch h\u1ecdc m\u1ed9t ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh. Kh\u00f4ng ch\u1ec9 b\u1eb1ng c\u00e1ch vi\u1ebft code th\u1ef1c h\u00e0nh m\u00e0 c\u00f2n b\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p v\u1edbi s\u1ef1 hi\u1ec3u bi\u1ebft th\u1ea5u \u0111\u00e1o v\u1ec1 c\u00e1c kh\u00e1i ni\u1ec7m ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh c\u01a1 b\u1ea3n, ch\u1eb3ng h\u1ea1n nh\u01b0 classes, giao di\u1ec7n, inheritance v\u00e0 closures. V\u00ec v\u1eady, h\u00e3y n\u1eafm ch\u1eafc nh\u1eefng ph\u1ea7n c\u01a1 b\u1ea3n nh\u1ea5t c\u1ee7a l\u1eadp tr\u00ecnh \u2013 ng\u00f4n ng\u1eef y\u00eau th\u00edch c\u1ee7a b\u1ea1n, API c\u1ed1t l\u00f5i v\u00e0 m\u00f4 h\u00ecnh l\u1eadp tr\u00ecnh n\u00f3i chung. \u0110i\u1ec1u \u0111\u00f3 c\u0169ng s\u1ebd gi\u00fap b\u1ea1n l\u1eadp lu\u1eadn v\u1ec1 vi\u1ec7c thi\u1ebft k\u1ebf c\u00e1c gi\u1ea3i ph\u00e1p c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h5 class=\"wp-block-heading\">7. Kh\u00f4ng s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch m\u00e3 t\u0129nh (Static Code Analyzers)<\/h5>\n\n\n\n<p>Cho \u0111\u1ebfn m\u1ed9t th\u1eddi \u0111i\u1ec3m n\u00e0o \u0111\u00f3, t\u00f4i \u0111\u00e3 kh\u00f4ng t\u1eadp trung v\u00e0o vi\u1ec7c vi\u1ebft code theo c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t. T\u00f4i \u0111\u00e3 vi\u1ebft r\u1ea5t nhi\u1ec1u code m\u00e0 t\u00f4i kh\u00f4ng y\u00eau th\u00edch \u2013 t\u00f4i kh\u00f4ng tin r\u1eb1ng \u0111\u00f3 l\u00e0 code ph\u00f9 h\u1ee3p cho vi\u1ec7c \u0111\u00e1nh gi\u00e1 code c\u1ee7a nh\u1eefng nh\u00e0 tuy\u1ec3n d\u1ee5ng. V\u00ec v\u1eady, t\u00f4i lu\u00f4n t\u1eeb ch\u1ed1i g\u1eedi code c\u1ee7a m\u00ecnh cho h\u1ecd. \u0110i\u1ec1u \u0111\u00f3 l\u1ea7n l\u01b0\u1ee3t \u0111\u00f3ng c\u1eeda m\u1ed9t s\u1ed1 c\u01a1 h\u1ed9i kh\u00e1 th\u00fa v\u1ecb m\u00e0 t\u00f4i c\u00f3 th\u1ec3 c\u00f3. Sau khi t\u1eeb b\u1ecf c\u00f4ng vi\u1ec7c to\u00e0n th\u1eddi gian \u0111\u1ea7u ti\u00ean, t\u00f4i ph\u00e1t hi\u1ec7n ra hai lo\u1ea1i c\u00f4ng c\u1ee5 n\u00e0y l\u00e0 r\u1ea5t quan tr\u1ecdng cho quy tr\u00ecnh ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m c\u1ee7a m\u00ecnh:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>C\u00e1c c\u00f4ng c\u1ee5 Lint\/code style critique \u2013 m\u1eb7c d\u00f9 nh\u00ecn c\u00f3 v\u1ebb h\u01a1i nh\u00e0m ch\u00e1n, nh\u01b0ng c\u00e1c quy t\u1eafc \u1edf \u0111\u00e2y d\u1ef1a tr\u00ean c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t \u0111\u1ec3 gi\u00fap kh\u1eafc ph\u1ee5c nh\u1eefng v\u1ea5n \u0111\u1ec1 v\u1ec1 code v\u00e0 thi\u1ebft k\u1ebf.<\/li><li>C\u00e1c c\u00f4ng c\u1ee5 Project-wide static analysis (Sonar, v.v.) \u2013 nh\u1eefng c\u00f4ng c\u1ee5 n\u00e0y gi\u00fap x\u00e1c \u0111\u1ecbnh c\u00e1c v\u1ea5n \u0111\u1ec1 b\u1ea3o m\u1eadt v\u00e0 s\u1ef1 tr\u00f9ng l\u1eb7p kh\u00f4ng ch\u1ee7 \u00fd n\u1eb1m r\u1ea3i r\u00e1c tr\u00ean c\u00e1c codebases l\u1edbn h\u01a1n.<\/li><\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h5 class=\"wp-block-heading\">8. Ch\u01b0a bao gi\u1edd \u0111\u1ecdc t\u00e0i li\u1ec7u v\u1ec1 Framework c\u1ee7a m\u00ecnh<\/h5>\n\n\n\n<p>T\u00f4i t\u1ef1 g\u1ecdi m\u00ecnh l\u00e0 m\u1ed9t nh\u00e0 ph\u00e1t tri\u1ec3n h\u00ecnh ch\u1eef \u03c0. L\u0129nh v\u1ef1c ki\u1ebfn \u200b\u200bth\u1ee9c s\u00e2u s\u1eafc ch\u00ednh c\u1ee7a t\u00f4i l\u00e0 hai frameworks \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng web doanh nghi\u1ec7p l\u1edbn \u2013 m\u1ed9t \u0111\u1ec3 x\u00e2y d\u1ef1ng giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u1ed9t \u0111\u1ec3 x\u00e2y d\u1ef1ng ph\u1ea7n backends. B\u1ea5t k\u1ef3 ki\u1ebfn \u200b\u200bth\u1ee9c chuy\u00ean m\u00f4n n\u00e0o kh\u00e1c m\u00e0 t\u00f4i c\u00f3 \u0111\u1ec1u l\u00e0 nh\u1eefng th\u00f4ng tin nh\u1ecf m\u00e0 t\u00f4i s\u1eb5n s\u00e0ng s\u1eed d\u1ee5ng trong tr\u01b0\u1eddng h\u1ee3p c\u1ea7n \u0111\u1ebfn ch\u00fang. N\u1ebfu t\u00f4i ph\u1ea3i m\u00f4 t\u1ea3 c\u00e1c k\u1ef9 n\u0103ng c\u1ee7a m\u00ecnh v\u00e0o th\u1eddi \u0111i\u1ec3m t\u00f4i c\u00f2n l\u00e0 m\u1ed9t ng\u01b0\u1eddi m\u1edbi l\u1eadp tr\u00ecnh t\u1ef1 h\u1ecdc, t\u00f4i s\u1ebd n\u00f3i r\u1eb1ng t\u00f4i l\u00e0 m\u1ed9t nh\u00e0 ph\u00e1t tri\u1ec3n ch\u01b0a th\u00e0nh c\u00f4ng.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/itguru.vn\/blog\/wp-content\/uploads\/2021\/01\/Dunning-Kruger.png\" alt=\"K\u1ef9 n\u0103ng l\u1eadp tr\u00ecnh\" class=\"wp-image-5517\"\/><\/figure><\/div>\n\n\n\n<p>M\u1ed9t ng\u00e0y n\u1ecd, kh\u00f4ng c\u00f3 nhi\u1ec1u kinh nghi\u1ec7m v\u00e0 v\u1edbi c\u00e1i t\u00f4i c\u1ee7a m\u00ecnh, t\u00f4i \u0111\u00e3 c\u1ed1 g\u1eafng \u0111\u0103ng k\u00fd m\u1ed9t cu\u1ed9c ph\u1ecfng v\u1ea5n v\u1ecb tr\u00ed l\u1eadp tr\u00ecnh vi\u00ean c\u1ea5p cao. Dunning-Kruger\u2019s Curve (m\u00f4 t\u1ea3 b\u00ean tr\u00ean) g\u1ecdi m\u1ed9t t\u00ecnh hu\u1ed1ng nh\u01b0 v\u1eady l\u00e0&nbsp;<strong><em>\u0110\u1ec9nh n\u00fai ngu ng\u1ed1c<\/em>&nbsp;(Peak of Mount stupid)<\/strong>. Ng\u01b0\u1eddi ph\u1ecfng v\u1ea5n cho c\u00e1c v\u1ecb tr\u00ed c\u1ea5p cao n\u00e0y c\u00f3 xu h\u01b0\u1edbng xem x\u00e9t ki\u1ebfn \u200b\u200bth\u1ee9c framework c\u1ee7a \u1ee9ng vi\u00ean kh\u00e1 k\u1ef9 l\u01b0\u1ee1ng, bao g\u1ed3m c\u1ea3 vi\u1ec7c h\u1ecfi \u1ee9ng vi\u00ean v\u1ec1 c\u00e1c chi ti\u1ebft v\u00e0 c\u00e1c m\u1ea3ng t\u1ed1i kh\u00e1c trong framework m\u00e0 h\u1ecd s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<p>M\u1eb7c d\u00f9 c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n c\u00e1c gi\u1ea3i ph\u00e1p cho h\u1ea7u h\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 kh\u00e1 hi\u1ec7u qu\u1ea3, t\u00f4i \u0111\u00e3 r\u1ea5t lo l\u1eafng ngay sau khi nghe c\u00e2u h\u1ecfi \u0111\u1ea7u ti\u00ean m\u00e0 t\u00f4i cho l\u00e0 r\u1ea5t kh\u00f3 v\u00e0 th\u1ef1c t\u1ebf l\u00e0 t\u00f4i \u0111\u00e3 tr\u01b0\u1ee3t bu\u1ed5i ph\u1ecfng v\u1ea5n \u0111\u00f3. Dunning-Kruger\u2019s Curve g\u1ecdi m\u1ed9t t\u00ecnh hu\u1ed1ng nh\u01b0 v\u1eady l\u00e0&nbsp;<strong><em>Thung l\u0169ng tuy\u1ec7t v\u1ecdng (Valley of despair)<\/em><\/strong>. Sau khi tr\u1ea3i nghi\u1ec7m \u0111\u00f3, t\u00f4i nh\u1eadn ra r\u1eb1ng \u0111\u1ecdc t\u00e0i li\u1ec7u v\u1ec1 ng\u00f4n ng\u1eef, framework hay th\u01b0 vi\u1ec7n l\u00e0 m\u1ed9t trong nh\u1eefng ch\u00eca kh\u00f3a \u0111\u1ec3 th\u00e0nh c\u00f4ng trong c\u00e1c cu\u1ed9c ph\u1ecfng v\u1ea5n l\u1eadp tr\u00ecnh vi\u00ean c\u1ea5p cao v\u00e0 ti\u1ebfn g\u1ea7n h\u01a1n \u0111\u1ebfn&nbsp;<em><strong>D\u1ed1c c\u1ee7a s\u1ef1 khai s\u00e1ng (The Slope of Enlightenment)<\/strong><\/em>.<\/p>\n\n\n\n<p>D\u00e0nh th\u1eddi gian \u0111\u1ec3 \u0111\u1ecdc t\u00e0i li\u1ec7u c\u1ee7a c\u1ea3 hai framework \u0111\u00e3 cho ph\u00e9p t\u00f4i, sau ng\u1ea7n \u1ea5y n\u0103m, c\u00f3 \u0111\u01b0\u1ee3c s\u1ef1 t\u1ef1 tin trong c\u00e1c cu\u1ed9c ph\u1ecfng v\u1ea5n v\u00e0 g\u1eafn k\u1ebft nh\u1eefng ph\u1ea7n ki\u1ebfn \u200b\u200bth\u1ee9c kh\u00f3 ti\u1ebfp thu \u0111\u01b0\u1ee3c t\u1eeb th\u1ef1c t\u1ebf v\u1edbi nhau. T\u1ea5t c\u1ea3 nh\u1eefng \u0111i\u1ec1u \u0111\u00f3 \u0111\u00e3 gi\u00fap t\u00f4i th\u01b0\u01a1ng l\u01b0\u1ee3ng m\u1ee9c l\u01b0\u01a1ng t\u1ed1t h\u01a1n v\u00e0 l\u1ea7n l\u01b0\u1ee3t nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 t\u00f4n tr\u1ecdng c\u1ee7a c\u00e1c \u0111\u1ed3ng nghi\u1ec7p.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h5 class=\"wp-block-heading\">9. Kh\u00f4ng hi\u1ec3u r\u00f5 v\u1ec1 IDE m\u00ecnh s\u1eed d\u1ee5ng<\/h5>\n\n\n\n<p>T\u00f4i b\u1eaft \u0111\u1ea7u h\u00e0nh tr\u00ecnh ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m c\u1ee7a m\u00ecnh b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng tr\u00ecnh so\u1ea1n th\u1ea3o \u0111\u01a1n gi\u1ea3n. C\u00e1c c\u1ed1 v\u1ea5n \u0111\u1ea1i h\u1ecdc \u0111\u00e3&nbsp; khuy\u1ebfn kh\u00edch t\u00f4i s\u1eed d\u1ee5ng IDE. Cu\u1ed1i c\u00f9ng, sau khi t\u00f4i s\u1eed d\u1ee5ng IDE (Integrated Development Environment), t\u00f4i \u0111\u00e3 s\u1eed d\u1ee5ng n\u00f3 theo c\u00e1ch t\u01b0\u01a1ng t\u1ef1 nh\u01b0 notepad \u2013 vi\u1ebft code b\u00ean trong n\u00f3 trong khi th\u1ef1c thi tr\u00ecnh bi\u00ean d\u1ecbch, m\u00e1y ch\u1ee7, client v\u00e0 ki\u1ec3m tra b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng shell c\u1ee7a t\u00f4i. M\u1ed9t c\u00e1ch ch\u1eadm ch\u1ea1p t\u00f4i mo71u t\u1eeb t\u1eeb \u0111\u1ec3 vi\u1ec7c th\u1ef1c thi c\u00e1c t\u00e1c v\u1ee5 \u0111\u00f3 cho IDE. Theo quan \u0111i\u1ec3m c\u1ee7a t\u00f4i, vi\u1ec7c th\u1ef1c thi c\u00e1c t\u00e1c v\u1ee5 th\u1ee7 c\u00f4ng v\u00e0 vi\u1ec7c \u00e1p d\u1ee5ng c\u00e1c t\u00ednh n\u0103ng IDE ch\u1eadm ch\u1ea1p l\u00e0 nh\u1eefng nguy\u00ean nh\u00e2n gi\u1ebft ch\u1ebft n\u0103ng su\u1ea5t kh\u00e1c c\u1ee7a t\u00f4i.<\/p>\n\n\n\n<p>T\u00f4i khuy\u00ean b\u1ea1n n\u00ean h\u1ecdc c\u00e1ch l\u00e0m vi\u1ec7c hi\u1ec7u qu\u1ea3 v\u1edbi IDE b\u1eb1ng c\u00e1ch xem qua c\u00e1c t\u00ednh n\u0103ng c\u1ee7a n\u00f3 v\u00e0 t\u00ecm hi\u1ec3u c\u00e1c t\u00e1c v\u1ee5 t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00e1c thao t\u00e1c th\u1ee7 c\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u nh\u1ea5t m\u00e0 b\u1ea1n th\u1ef1c hi\u1ec7n trong quy tr\u00ecnh l\u00e0m vi\u1ec7c h\u00e0ng ng\u00e0y, ch\u1eb3ng h\u1ea1n nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>C\u00e1c c\u00f4ng c\u1ee5 c\u1ea3i ti\u1ebfn m\u00e3 ngu\u1ed3n \u2013 c\u00f4ng c\u1ee5 th\u00fac \u0111\u1ea9y n\u0103ng su\u1ea5t t\u1ed1t nh\u1ea5t m\u00e0 IDE hi\u1ec7n nay cung c\u1ea5p.<\/li><li>Task Running \u2013 ch\u1ea1y tr\u00ecnh bi\u00ean d\u1ecbch, tr\u00ecnh g\u1ee1 l\u1ed7i, ki\u1ec3m tra \u0111\u01a1n v\u1ecb, lints, xem n\u1ed9i dung c\u01a1 s\u1edf d\u1eef li\u1ec7u, v.v.<\/li><li>C\u00e1c t\u00ednh n\u0103ng ch\u1ec9nh s\u1eeda v\u0103n b\u1ea3n ti\u1ec7n l\u1ee3i \u2013 X\u00f3a d\u00f2ng, \u0110a con tr\u1ecf.<\/li><li>S\u1eed d\u1ee5ng ph\u00edm t\u1eaft.<\/li><\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h5 class=\"wp-block-heading\">10. Kh\u00f4ng s\u1eed d\u1ee5ng l\u1ea1i Foreign Code<\/h5>\n\n\n\n<p>Tr\u01b0\u1edbc \u0111\u00e2y, r\u1ea5t nhi\u1ec1u code t\u00f4i vi\u1ebft kh\u00f4ng ph\u1ea3i l\u00e0 code m\u00e0&nbsp; t\u00f4i \u0111\u01b0\u1ee3c tr\u1ea3 ti\u1ec1n \u0111\u1ec3 vi\u1ebft \u2013 n\u00f3 ch\u1ee7 y\u1ebfu l\u00e0 s\u1ef1 v\u00e1 v\u00edu \u2013 m\u00e3 c\u01a1 s\u1edf d\u1eef li\u1ec7u th\u00f4, c\u00e1c Angular component c\u01a1 b\u1ea3n, tri\u1ec3n khai \u0111\u1ed1i t\u01b0\u1ee3ng DateTime t\u00f9y ch\u1ec9nh v.v. T\u00f4i kh\u00f4ng th\u00edch \u0111\u1ecdc t\u00e0i li\u1ec7u c\u1ee7a c\u00e1c th\u01b0 vi\u1ec7n uy t\u00edn, tr\u00e1nh t\u00ecm ki\u1ebfm c\u00e1c th\u01b0 vi\u1ec7n gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 c\u1ee7a m\u00ecnh v\u00e0 thay v\u00e0o \u0111\u00f3 th\u00edch vi\u1ebft code c\u1ee7a ri\u00eang t\u00f4i m\u00e0 b\u00e2y gi\u1edd \u0111\u00e3 nh\u1eadn ra l\u00e0 v\u00f4 gi\u00e1 tr\u1ecb.<\/p>\n\n\n\n<p>V\u00e2ng, vi\u1ebft code c\u01a1 b\u1ea3n t\u1eeb \u0111\u1ea7u ch\u1eafc ch\u1eafn s\u1ebd gi\u00fap b\u1ea1n n\u1eafm ch\u1eafc nh\u1eefng \u0111i\u1ec1u c\u01a1 b\u1ea3n. Nh\u01b0ng ph\u00e1t tri\u1ec3n k\u1ef9 n\u0103ng s\u1eed d\u1ee5ng l\u1ea1i code \u1ed5n \u0111\u1ecbnh t\u1eeb ngu\u1ed3n uy t\u00edn v\u00e0 kh\u1ea3 n\u0103ng \u0111\u1ecdc l\u01b0\u1edbt t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 th\u00fac \u0111\u1ea9y n\u0103ng su\u1ea5t.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-text-align-right\"><em>Ngu\u1ed3n:&nbsp;<a href=\"https:\/\/bitly.com.vn\/kugsit\" class=\"ek-link\">https:\/\/bitly.com.vn\/kugsit<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u00e0i vi\u1ebft c\u1ee7a&nbsp;Radek Busa, m\u1ed9t full stack developer v\u00e0 l\u00e0 m\u1ed9t tech blogger l\u00e0m vi\u1ec7c t\u1ea1i ICZ, m\u1ed9t c\u00f4ng ty ph\u1ea7n m\u1ec1m l\u1edbn t\u1ea1i c\u1ed9ng h\u00f2a Czech. C\u00e1ch \u0111\u00e2y 8 n\u0103m, t\u00f4i b\u1eaft \u0111\u1ea7u con \u0111\u01b0\u1eddng l\u1eadp tr\u00ecnh c\u1ee7a m\u00ecnh v\u1edbi t\u01b0 c\u00e1ch l\u00e0 m\u1ed9t ng\u01b0\u1eddi th\u00edch t\u1ef1 h\u1ecdc. Sau \u0111\u00f3 t\u00f4i tr\u1edf th\u00e0nh m\u1ed9t [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":1146,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_editorskit_title_hidden":false,"_editorskit_reading_time":7,"_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[31,32],"tags":[],"class_list":["post-1192","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-blogs"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>10 Sai L\u1ea7m C\u1ee7a M\u1ed9t L\u1eadp Tr\u00ecnh Vi\u00ean T\u1ef1 H\u1ecdc (PH\u1ea6N 2) - TTC Solutions<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ttc-solutions.com\/vi\/10-sai-lam-cua-mot-lap-trinh-vien-tu-hoc-phan-2\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"10 Sai L\u1ea7m C\u1ee7a M\u1ed9t L\u1eadp Tr\u00ecnh Vi\u00ean T\u1ef1 H\u1ecdc (PH\u1ea6N 2) - TTC Solutions\" \/>\n<meta property=\"og:description\" content=\"B\u00e0i vi\u1ebft c\u1ee7a&nbsp;Radek Busa, m\u1ed9t full stack developer v\u00e0 l\u00e0 m\u1ed9t tech blogger l\u00e0m vi\u1ec7c t\u1ea1i ICZ, m\u1ed9t c\u00f4ng ty ph\u1ea7n m\u1ec1m l\u1edbn t\u1ea1i c\u1ed9ng h\u00f2a Czech. 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