Usually hashes wouldn’t do sums, otherwise stop and pots will have the same hash. and you wouldn’t limit it to the first n characters because otherwise house and houses would have the same hash. Generally hashs take values and multiply it by a prime number (makes it more likely to generate unique hashes) So you … Read more
You probably want to have a list of supported encodings. For each file, try each encoding in turn, maybe starting with UTF-8. Every time you catch the MalformedInputException, try the next encoding.
I’ve spent maybe the last two hours browsing and reading up on these methods and the Graphics class, and maybe I’m stupid, haha, but I’m just not understanding them. What are they for? I understand that they’re supposed redraw or update components on the screen, but I have never understood why this is required (I’m … Read more
You can’t have statements in the class body (z=x*y;). You have (at least) two options: int z = x * y; use initializer block{ z = x * y; } These are virtually the same. I’d prefer the first option (cleaner) See here
Remove the semicolon on the end of this line: public static void helloWorld();
If you don’t want the embedded server to start, just set the following property in you application.properties (or .yml): If your classpath contains the necessary bits to start a web server, Spring Boot will automatically start it. To disable this behaviour configure the WebApplicationType in your application.properties Source: https://docs.spring.io/spring-boot/docs/current/reference/html/howto-embedded-web-servers.html If you application really is a Web application, then you can easily … Read more
You have two ways to do that, both use the Arrays utility class Implement a Comparator and pass your array along with the comparator to the sort method which take it as second parameter. Implement the Comparable interface in the class your objects are from and pass your array to the sort method which takes only one parameter. Example Output
I have run into the same error entries in LogCat. In my case it’s caused by the 3rd party keyboard I am using. When I change it back to Android keyboard, the error entry does not show up any more.
In your configuration you have 2 PropertySourcesPlaceholderConfigurer instances. applicationContext.xml infraContext.xml By default a PlaceholderConfigurer is going to fail-fast, so if a placeholder cannot be resolved it will throw an exception. The instance from the applicationContext.xml file has no properties and as such will fail on all placeholders. Solution: Remove the one from applicationContext.xml as it doesn’t add anything it only breaks things.
You can’t have statements in the class body (z=x*y;). You have (at least) two options: int z = x * y; use initializer block{ z = x * y; } These are virtually the same. I’d prefer the first option (cleaner) See here