JtextArea.setHighlighter(null);
Here is what the above code is Doing:
1. Create a JTextArea
2. Create a JScrollPane
3. Add the JTextArea to the JScrollPane
4. Add the JScrollPane to the JFrame
5. Set the JTextArea’s highlighter to null
So, to switch between themes dynamically you simply need to call setTheme before super.onCreate like this: public void onCreate(Bundle savedInstanceState) { setTheme(android.R.style.Theme); super.onCreate(savedInstanceState); setContentView(R.layout.activity_second); } Here is what the above code is Doing: 1. The first line of code is calling the setTheme method. 2. The second line of code is calling the super.onCreate method….
(\d+)(?!.*\d) Here is what the above code is Doing: 1. The first part of the regex, (\d+) is a capturing group that matches one or more digits. 2. The second part of the regex, (?!.*\d) is a negative lookahead. The negative lookahead fails the match if we can find any other digit in the string….
intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK Here is what the above code is Doing: 1. Create an intent to open the MainActivity 2. Set the flags to clear the task stack and start a new task 3. Start the activity
int tab[] = {1,2,3,4}; for (int i : tab) { systeme.out.println(i); //fct to print with eclipse } //console : 1 2 3 4 //same as for (int i = 0; i++; i < tab.lenght) { systeme.out.println(i); //fct to print with eclipse } Here is what the above code is Doing: 1. The for loop is...
Properties file: spring.datasource.initialization-mode=always YAML file: spring: datasource: initialization-mode: always Here is what the above code is Doing: 1. The @SpringBootApplication annotation is equivalent to using @Configuration, @EnableAutoConfiguration, and @ComponentScan with their default attributes. 2. The @EnableJpaRepositories annotation activates Spring Data JPA. 3. The @EntityScan annotation tells Spring to look in the com.example.demo.model package for any…
String redirectURI= “https://oauth2-login-demo.appspot.com/code”; urlBuilder.queryParam(“redirect_uri”, URLEncoder.encode(redirectURI,”UTF-8″ )); Here is what the above code is Doing: 1. Create a URIBuilder object. 2. Set the scheme to https. 3. Set the host to accounts.google.com. 4. Set the path to /o/oauth2/v2/auth. 5. Set the query parameter response_type to code. 6. Set the query parameter client_id to the client ID…