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Merge values in map kotlin

问题: I need merge maps mapA andmapB with pairs of "name" - "phone number" into the final map, sticking together the values for duplicate keys, separated by commas. Duplicate val...

• 小编 发布于 13分钟前

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(Accessibility) Change auto focus to other component when using TalkBack

问题: With the TalkBack setting enabled, the accessibility focus shifts to the hamburger icon automatically. (makes sense since it's the upperleft component in the screen). Whe...

• 小编 发布于 14分钟前

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Is putting “is_deleted” state field as composite primary key on cassandra table for read is good practice?

问题: I'm setting up new reactive cassandra rest service on spring, and then there is "default" field like is_deleted, is_active, storeid, etc, on all tables. Since it's assum...

• 小编 发布于 14分钟前

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How to convert an HTML String to Image using wkhtmltopdf or wkhtmltoImage in Java?

问题: I am using wkhtmltoPDF to generate pdf from html string and It works fine for me as expected, but now I have to generate output as Image and I'm unable to find sample code...

• 小编 发布于 14分钟前

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(a * b) / c MulDiv and delaing with overflow from intermediate multiplication

问题: I need to do the following arithmetic: long a,b,c; long result = a*b/c; While the result is guaranteed to fit in long, the multiplication is not, so it can overflow....

• 小编 发布于 15分钟前

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Is there a Java/Maven equivalent of package.jsons “bin”?

问题: I'm in Java team where multiple repos need to access a shared set of CI/CD-related bash script files. In a Node team, I would publish a private NPM package exposing these s...

• 小编 发布于 15分钟前

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qualifying beans in SpringBoot

问题: I have a SpringBoot app. with this class that I use to fake a mail sender in my localhost enviroment @Service @Profile("local") @Qualifier("emailSender") public class Fac...

• 小编 发布于 15分钟前

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Spring Custom Validator - Interpolate message with parameter

问题: I've created a custom ConstraintValidator where the isValid method looks like this: private String message; @Override public void initialize(InputValidator constraintAnn...

• 小编 发布于 1小时前

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How to compare an Integer using least code?

问题: There is an Integer property called foo in a model. Now I need to know whether it equals 1 or 2. Usually I use: if (null != model) { Integer foo = model.getFoo();...

• 小编 发布于 1小时前

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How to get substring from string without split?

问题: String str = "internet address : http://test.com Click this!"; I want to get "http://test.com", so I wrote like this. String[] split = str.split(" "); for ( int i = 0...

• 小编 发布于 1小时前

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Apache Beam java Testing ExpectedLogs Maven

问题: I'm using apache beam with Maven and in the pom.xml the dependency is <dependency> <groupId>org.apache.beam</groupId> <artifactId>beam-sdks-...

• 小编 发布于 1小时前

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Indefinite task in ExecutorService

问题: I have the following variables: private ExecutorService executor; private Task<Boolean> worker; I have a task that should be performed in another thread...

• 小编 发布于 2小时前

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How to filter Recycleview by ignoring case?

问题: I am getting data from Recyclerview I am adding the searchview filter in my app, but when I search capital and lower text the no result found I think may be causing a probl...

• 小编 发布于 2小时前

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How to get inputs from JTextField similar to Scanner.next()?

问题: I've been trying to figure out how to receive string and integer inputs from pressing "Enter" in a JTextField. I want it to be similar to how Scanner.next() receives an inp...

• 小编 发布于 2小时前

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Maven- Remove a Jar while building from lib folder

问题: i have added a jar like below <dependency> <groupId>com.ibm.ws.runtime</groupId> <artifactId>com.ibm.ws.runtime</artifactId>...

• 小编 发布于 2小时前