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What exactly is nullptr?
... you use NULL or 0 (zero) for pointers in C++?
template
Google group: comp.lang.c++.moderated - compiler discussion
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How can I convert JSON to a HashMap using Gson?
...
Here you go:
import java.lang.reflect.Type;
import com.google.gson.reflect.TypeToken;
Type type = new TypeToken<Map<String, String>>(){}.getType();
Map<String, String> myMap = gson.fromJson("{'k1':'apple','k2':'orange'}", type);
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What is a good use case for static import of methods?
...em individually.
(https://docs.oracle.com/javase/8/docs/technotes/guides/language/static-import.html)
There are two parts I want to call out specifically:
Use static imports only when you were tempted to "abuse inheritance". In this case, would you have been tempted to have BusinessObject exten...
Different ways of loading a file as an InputStream
...") will look for a file in your classpath at the following location: "java/lang/myfile.txt". If your path starts with a /, then it will be considered an absolute path, and will start searching from the root of the classpath. So calling String.class.getResourceAsStream("/myfile.txt") will look at the...
Do spurious wakeups in Java actually happen?
...tion as it is suggested in java doc docs.oracle.com/javase/6/docs/api/java/lang/… ?
– gumkins
Mar 18 '15 at 21:45
I ...
MySQL ON DUPLICATE KEY UPDATE for multiple rows insert in single query
...wered Apr 26 '10 at 15:26
Peter LangPeter Lang
49.3k2626 gold badges138138 silver badges152152 bronze badges
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Neither BindingResult nor plain target object for bean name available as request attribute [duplicat
...00% correct, but after starting the Tomcat, you receive an exception. java.lang.IllegalStateException: Neither BindingResult
I just removed and added again Tomcat configuration. And it worked for me.
A picture Tomcat configuration
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Spring Boot + JPA : Column name annotation ignored
...esh(AbstractApplicationContext.java:542)
- locked <0x1688> (a java.lang.Object)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:761)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:371)
at org.springframework.boot.SpringA...
What is the difference between compare() and compareTo()?
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compareTo(T object)
comes from the java.lang.Comparable interface, implemented to compare this object with another to give a negative int value for this object being less than, 0 for equals, or positive value for greater than the other. This is the more convenient ...
How to pattern match using regular expression in Scala?
... @rakensi No. val r = "[A-Ca-c]".r ; 'a' match { case r() => } . scala-lang.org/api/current/#scala.util.matching.Regex
– som-snytt
Mar 9 '15 at 23:28
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