Maven dependency update on commandline
-U means force update of dependencies. Also, if you want to import the project into eclipse, I first run: then run Seems to work for me, but that’s just my pennies worth.
java
Conversion from Long to Double in Java
You could simply do : Or you could get double from Long object as :
Issue installing Netbeans in Windows 10: Java SE Development Kit (JDK) was not found on this computer
Download and install jdk-8u181.exe for Netbeans 8.2 to install properly. Its a requirement under the Netbeans 8.2 installation instructions Netbeans with JDK https://www.oracle.com/technetwork/java/javase/downloads/jdk-netbeans-jsp-3413139-esa.html
MessageBodyWriter not found for media type=application/json
I was able to fix it by install jersey-media-json-jackson Add the dependency to pom.xml
How fix Error:java.util.concurrent.ExecutionException: com.android.ide.common.process.ProcessException:
Well, I got this issue because my project was imported from Eclipse to Android Studio and dependencies were missing in gradle. I got rid of it after adding in below After, this I had to set Also, I added following lines above So, that it looks like, @tompok, you are getting this error maybe due … Read more
Occurrences of substring in a string
The last line was creating a problem. lastIndex would never be at -1, so there would be an infinite loop. This can be fixed by moving the last line of code into the if block.
How to implement Java “Scanner” in C++?
You seem to be using Scanner to read one integer at a time from the standard input stream. This is easily accomplished with the extraction operator, operator>>. Replace this code: With this: You should check the value of std::cin after the >> operations to ensure that they succeeded. Refs: http://docs.oracle.com/javase/1.5.0/docs/api/java/util/Scanner.html http://en.cppreference.com/w/cpp/io/basic_istream/operator_gtgt
KeyPressed event in java
Depending on where you want to trap the “enter” key, you could use an ActionListener (on such components such as text components or buttons) or attach a key binding to you component This will rely on the component being focused.
atoi in java using charAt
char digit = (char)(tmp.charAt(i) – ‘0’); In the ascii table, characters from ‘0’ to ‘9’ are contiguous. So, if you know that tmp.charAt(i) will return a character between 0 and 9, then subracting 0 will return the offset from zero, that is, the digit that that character represents.