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HashMap with multiple values under the same key
Is it possible for us to implement a HashMap with one key and two values. Just as HashMap?
22 Answers
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What's invokedynamic and how do I use it?
I keep hearing about all the new cool features that are being added to the JVM and one of those cool features is invokedynamic. I would like to know what it is and how does it make reflective programming in Java easier or better?
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How to configure socket connect timeout
When the Client tries to connect to a disconnected IP address, there is a long timeout over 15 seconds... How can we reduce this timeout? What is the method to configure it?
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How to kill a process on a port on ubuntu
I am trying to kill a process in the command line for a specific port in ubuntu.
27 Answers
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Generate Java class from JSON?
In a Java Maven project, how do you generate java source files from JSON? For example we have
13 Answers
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What is “export default” in javascript?
File: SafeString.js
8 Answers
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What is the concept of erasure in generics in Java?
What is the concept of erasure in generics in Java?
8 Answers
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Greenlet Vs. Threads
I am new to gevents and greenlets. I found some good documentation on how to work with them, but none gave me justification on how and when I should use greenlets!
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setting an environment variable in virtualenv
I have a Heroku project that uses environment variables to get its configuration, but I use virtualenv to test my app locally first.
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Intellij IDEA Java classes not auto compiling on save
Yesterday I switched to IntelliJ IDEA from Eclipse.
18 Answers
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