Blog about programming
How do I update JavaScript on Windows 10? on your Windows 10 computer. Click on the three dots at the top-right corner of your screen. … Click “Settings,” the third option from the bottom. … At the top of that list, click “Privacy and security.” … Click “Site Settings,” the second option from the bottom. …
To show the users in a MySQL database, first log into your MySQL server as an administrative user using the mysql command line client, then run this MySQL query: mysql> select * from mysql. user; However, note that this query shows all of the columns from the mysql. How do I find MySQL username and …
SQL, which stands for structured query language, is the way most data analysts define, manipulate and control large amounts of data. … I have been working with SQL daily for the last few years, and internalizing the way SQL talks with data has made me a better financial analyst. Is SQL good for finance? SQL …
I know that an INSERT on a SQL table can be slow for any number of reasons: Existence of INSERT TRIGGERs on the table. Lots of enforced constraints that have to be checked (usually foreign keys) Page splits in the clustered index when a row is inserted in the middle of the table. How can …
How do you read a class in Java? Example import java.io.*; public class ReaderExample { public static void main(String[] args) { try { Reader reader = new FileReader(“file.txt”); int data = reader.read(); while (data != -1) { System.out.print((char) data); What is the best way to read a file in Java? If you want to read …
Should I learn Java or C#? You can also learn it for phone or web applications, as the . NET framework is robust. However, C# is a better fit for more experienced programmers. If you’re a beginner in programming, I would recommend learning Java. Should I learn C# or Java or C++? Although Microsoft is …
To change the character set encoding to UTF-8 for the database itself, type the following command at the mysql> prompt. Replace dbname with the database name: ALTER DATABASE dbname CHARACTER SET utf8 COLLATE utf8_general_ci; To exit the mysql program, type q at the mysql> prompt. How can I get UTF-8 data from MySQL? Four good …
The new keyword is used to create an object from a class. What does $this mean in PHP? $this is a reserved keyword in PHP that refers to the calling object. It is usually the object to which the method belongs, but possibly another object if the method is called statically from the context of …
Unfortunately in JavaScript, there isn’t a capitalize or title case a string. So what we can is utilize toLowerCase() to make the entire string lower-cased and then uppercase the first letter. Convert the entire string to lower case. How do you capitalize text in JavaScript? To capitalize the first character of a string, We can …
Properly naming variables is really important! Here are rules JavaScript has for naming variables: … Variable names must begin with a letter, an underscore (_) or a dollar sign ($). Variable names can only contain letters, numbers, underscores, or dollar signs. What characters can be used to start a variable JavaScript? You use variables as …