Secrets of programming

Quick Answer: How do you assign a value to an object in Java?

Can we assign value to object in Java? First, define a class with any name ‘SampleClass’ and define a constructor method. The constructor will always have the same name as the class name and it does not have a return type. Constructors are used to instantiating variables of the class. Now, using the constructors we …

Best answer: Can I learn JavaScript in 5 days?

Is it possible to learn JavaScript in a week? If you are focused then may be you can learn the basics in a week. But to be job ready will take you few months and to be reasonably good with all concepts of JavaScript will take you few years. Can I learn JavaScript in a …

Your question: When can you use a for each loop Java?

It is mainly used to traverse the array or collection elements. The advantage of the for-each loop is that it eliminates the possibility of bugs and makes the code more readable. It is known as the for-each loop because it traverses each element one by one. When can you use a for-each loop? Only use …

How do I enable mixed mode in SQL Server 2017 after installation?

How do I change SQL Server to mixed mode? To change security authentication mode to mixed mode In SQL Server Management Studio Object Explorer, right-click the server, and then click Properties. On the Security page, under Server authentication, select SQL Server and Windows Authentication mode, and then click OK. How do I open SQL Server …

What is thread safe and non thread safe in Java?

When multiple threads are working on the same data, and the value of our data is changing, that scenario is not thread-safe and we will get inconsistent results. When a thread is already working on an object and preventing another thread on working on the same object, this process is called Thread-Safety. What is thread-safe …

What is Insert command in SQL?

Insert is a widely-used command in the Structured Query Language (SQL) data manipulation language (DML) used by SQL Server and Oracle relational databases. The insert command is used for inserting one or more rows into a database table with specified table column values. What is the insert command used for? Use the INSERT command to …

Your question: Which is more efficient C or Java?

C is a procedural, low level, and compiled language. … Java is easier to learn and use because it’s high level, while C can do more and perform faster because it’s closer to machine code. Is C the fastest language? So the higher level programming language whose compiler can compile high level source code closest …

Quick Answer: How do you find out who deleted data in SQL Server?

Right click SQL Server Instance and Select Reports -> Standard Reports -> Schema Changes History as shown in the below snippet. 3. This will open up Scheme Changes History report which will have the details about who deleted the SQL Server Database along with the timestamp when the database was deleted. How do you know …

What is the difference between jQuery and jQuery min?

min. js is nothing else but compressed version of jquery. … You can use it the same way as jquery. js, but it’s smaller, so in production you should use minified version and when you’re debugging you can use normal jquery. What does the min mean in JQuery version? min. js? In simple terms, it’s …

What is divide in SQL?

The SQL divide ( / ) operator is used to divide one expressions or numbers by another. How do you divide data equally in SQL? Divide column data into equal parts SELECT @CountOf=COUNT(*) FROM temp. SET @Top=@CountOf/2. SET @Bottom=@CountOf-@Top. SELECT TOP (@Top) * FROM temp ORDER BY 1 asc. SELECT TOP (@Bottom) * FROM temp …