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Kotlin 2022-03-27 07:40:17
var and val in kotlin
val and var both are used to declare a variable. var is like general variable and it's known as a mutable variable in kotlin and can be assigned multiple times. val is like Final variable and it's known as immutable in kotlin and can be initialized only s... Add solution -
C++ 2022-03-14 07:05:04
constant variables in c++
// various versions of const are explained below #include <iostream> class Entity { private: int m_X, m_Y; mutable int var; // can be modified inside const menthods int* m_x, *m_y;// * use to create pointer in one line public: int GetX() const /... Add solution -
Python 2022-03-12 22:30:36
how to read mysql table in python
import pandas as pd import sqlalchemy # make sure you have installed both mysql & pymysql # root:root is my username and password/default engine = sqlalchemy.create_engine("mysql+pymysql://root:root@localhost/database name", p... Add solution -
SQL 2022-03-08 19:05:13
mysql vs postgresql
/*Postgres is an object-relational database, while MySQL is a purely relational database. This means that Postgres includes features like table inheritance and function overloading, which can be important to certain applications. Postgres also adheres mo... Add solution -
Other 2022-03-07 05:45:02
Hide ALV toolbar buttons
REPORT ZSAPN_ALV_FUNCTIONS. DATA: IT_MARA TYPE TABLE OF MARA, WA_MARA TYPE MARA. DATA : FUN TYPE TABLE OF RSEUL_FUN. DATA : WA_FUN LIKE LINE OF FUN. DATA : IT_EXCLUDE TYPE SLIS_T_EXTAB, WA_EXCLUDE TYPE SLIS_EXTAB. START-OF-SELECTION. SELEC... Add solution -
Python 2022-03-07 02:00:02
what is onetomany and manytoone
The difference between One-to-many, Many-to-one and Many-to-Many is: One-to-many vs Many-to-one is a matter of perspective. Unidirectional vs Bidirectional will not affect the mapping but will make difference on how you can access your data. In Many-to-... Add solution