Add questions

server/database/quizzes/css.json

@@ -258,7 +258,7 @@
       "answer_a": "Verdadero",
       "answer_b": "Falso"
     },
-    "correct_answer": ""
+    "correct_answer": "answer_a"
   },
   {
     "id": "53",
@@ -419,5 +419,41 @@
       "answer_d": "font-size: 20px"
     },
     "correct_answer": "answer_a"
+  },
+  {
+    "id": "353",
+    "category": "css",
+    "level": "facil",
+    "question": "¿Cómo posicionamos un elemento dentro de otro de forma precisa?",
+    "answers": {
+      "answer_a": "Padre - position:relative / Hijo - position:absolute",
+      "answer_b": "Padre - position:absolute / Hijo - position:relative",
+      "answer_c": "Padre - position:fixed / Hijo - position:absolute"
+    },
+    "correct_answer": "answer_a"
+  },
+  {
+    "id": "354",
+    "category": "css",
+    "level": "normal",
+    "question": "¿Con que pseudo selector se puede seleccionar el primer hijo, sin tener class name o id?",
+    "answers": {
+      "answer_a": "nth-child(0)",
+      "answer_b": "nth-child(1)",
+      "answer_c": "nth-first-child"
+    },
+    "correct_answer": "answer_b"
+  },
+  {
+    "id": "355",
+    "category": "css",
+    "level": "dificil",
+    "question": "¿Qué selector utilizarias para seleccionar un elemento que en el atributo título contenga la palabra \"container\"?",
+    "answers": {
+      "answer_a": "[title~=container]",
+      "answer_b": "[title^=container]",
+      "answer_c": "[title$=container]"
+    },
+    "correct_answer": "answer_a"
   }
 ]

server/database/quizzes/javascript.json

@@ -418,5 +418,41 @@
       "answer_d": ".replace()"
     },
     "correct_answer": "answer_d"
+  },
+  {
+    "id": "356",
+    "category": "javascript",
+    "level": "dificil",
+    "question": "¿Qué función tiene el event loop?",
+    "answers": {
+      "answer_a": "Es responsable de compilar el código, recopilar y procesar eventos y ejecutar subtareas en cola",
+      "answer_b": "Es responsable de revisar el código, recopilar y procesar eventos y ejecutar tareas en cola",
+      "answer_c": "Es responsable de ejecutar el código, recopilar y procesar eventos y ejecutar subtareas en cola"
+    },
+    "correct_answer": "answer_c"
+  },
+  {
+    "id": "357",
+    "category": "javascript",
+    "level": "dificil",
+    "question": "¿Cuál es la definición de Clousure?",
+    "answers": {
+      "answer_a": "Es la combinación de una función agrupada (encerrada) con referencias a su estado circundante (el entorno dislexico)",
+      "answer_b": "Es la combinación de una función desagrupada (encerrada) con referencias a su estado circundante (el entorno léxico)",
+      "answer_c": "Es la combinación de una función agrupada (encerrada) con referencias a su estado circundante (el entorno léxico)"
+    },
+    "correct_answer": "answer_c"
+  },
+  {
+    "id": "358",
+    "category": "javascript",
+    "level": "facil",
+    "question": "¿Qué método de la API del navegador se utiliza para hacer una petición HTTP de forma nativa?",
+    "answers": {
+      "answer_a": "fetch(\"https://some-url-here.com\")",
+      "answer_b": "axios.get(\"https://some-url-here.com\")",
+      "answer_c": "makeRequest(\"https://some-url-here.com\")"
+    },
+    "correct_answer": "answer_a"
   }
 ]

server/database/quizzes/php.json

@@ -250,5 +250,41 @@
             "answer_c": "split(\",\", $array)"
         },
         "correct_answer": "answer_a"
+    },
+    {
+        "id": "347",
+        "category": "php",
+        "level": "facil",
+        "question": "¿Qué función utilizarias para imprimir por consola?",
+        "answers": {
+            "answer_a": "echo('Hello World')",
+            "answer_b": "console.log('Hello World')",
+            "answer_c": "System.out.println('Hello World')"
+        },
+        "correct_answer": "answer_a"
+    },
+    {
+        "id": "348",
+        "category": "php",
+        "level": "normal",
+        "question": "¿Cómo obtener el tipo de objecto en PHP?",
+        "answers": {
+            "answer_a": "typeof $object",
+            "answer_b": "get_class($object)",
+            "answer_c": "$object instanceof"
+        },
+        "correct_answer": "answer_b"
+    },
+    {
+        "id": "349",
+        "category": "php",
+        "level": "dificil",
+        "question": "¿Qué función utilizarías de PHP para trabajar con expresiones regulares?",
+        "answers": {
+            "answer_a": "reg_match()",
+            "answer_b": "regexp()",
+            "answer_c": "preg_match()"
+        },
+        "correct_answer": "answer_c"
     }
 ]

server/database/quizzes/sql.json

@@ -359,5 +359,41 @@
       "answer_d": "DBMS"
     },
     "correct_answer": "answer_a"
+  },
+  {
+    "id": "350",
+    "category": "sql",
+    "level": "normal",
+    "question": "¿Qué palabra clave de SQL se utiliza para agrupar un conjunto de resultados?",
+    "answers": {
+      "answer_a": "GROUP WITH",
+      "answer_b": "GROUP BY",
+      "answer_c": "GROUPING BY"
+    },
+    "correct_answer": "answer_b"
+  },
+  {
+    "id": "351",
+    "category": "sql",
+    "level": "dificil",
+    "question": "¿Cuales de los siguientes tipos de PROCEDURES es correcto?",
+    "answers": {
+      "answer_a": "Procedure with CALL parameter",
+      "answer_b": "Procedure with IN-OUT parameter",
+      "answer_c": "Procedure with ERASE parameter"
+    },
+    "correct_answer": "answer_b"
+  },
+  {
+    "id": "352",
+    "category": "sql",
+    "level": "normal",
+    "question": "¿Qué es cierto sobre las TRANSACTIONS?",
+    "answers": {
+      "answer_a": "Si falla, tira una excepción de tipo SQLTransactionException",
+      "answer_b": "Cuando finaliza correctamente registra un log en la tabla mysql_logs",
+      "answer_c": "Si falla, hace un ROLLBACK de los cambios"
+    },
+    "correct_answer": "answer_c"
   }
 ]