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Android app in Eclipse: Edit text not showing on Graphical layout
...ssage at the bottom comes up. It reads
Exception raised during rendering: java.lang.System.arraycopy([CI[CII)V
Exception details are logged in Window > Show View > Error Log
Even when I go to Window > Show View there is no error log option. The whole designer is useless now, because I c...
Reflection generic get field value
...er typeValue = 0;
try {
Class<Types> types = Types.class;
java.lang.reflect.Field field = types.getDeclaredField("Type");
field.setAccessible(true);
Object value = field.get(types);
typeValue = (Integer) value;
} catch (Exception e) {
e.printStackTrace();
}
...
Get nodes where child node contains an attribute
...
Try
//book[title/@lang = 'it']
This reads:
get all book elements
that have at least one title
which has an attribute lang
with a value of "it"
You may find this helpful — it's an article entitled "XPath in Five Paragraphs" by ...
Is there a way to ignore a single FindBugs warning?
... deprecated in favor of @SuppressFBWarnings because of the name clash with Java's SuppressWarnings.
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When to use EntityManager.find() vs EntityManager.getReference() with JPA
... Thank you Vlad for letting us to know this! But according to javadoc this seems disturbing: "The persistence provider runtime is permitted to throw the EntityNotFoundException when getReference is called". This is not possible without a SELECT (at least for checking the row existence),...
xpath路径表达式笔记 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ersion="1.0" encoding="ISO-8859-1"?>
<bookstore>
<book>
<title lang="eng">Harry Potter</title>
<price>29.99</price>
</book>
<book>
<title lang="eng">Learning XML</title>
<price>39.95</price>
</book>
</bookstore>
[例1]
bookstore ：选取 bookstore ...
What's the standard way to work with dates and times in Scala? Should I use Java types or there are
...hat's the standard way to work with dates and times in Scala? Should I use Java types such as java.util.Date or there are native Scala alternatives?
...
Difference between JVM and HotSpot?
...
The definition of what exactly is a Java Virtual Machine is stated in the Java Virtual Machine Specification
The JVM is by definition a virtual machine, i. e. a software machine that simulates what a real machine does. Like a real machine, it has an instructio...
How to sort a List alphabetically using Object name field
...Name().compareTo(object2.getName());
}
});
}
Or if you are using Java 1.8
list
.stream()
.sorted((object1, object2) -> object1.getName().compareTo(object2.getName()));
One final comment -- there's no point in checking the list size. Sort will work on an empty list.
...
What is the difference between compare() and compareTo()?
What is the difference between Java's compare() and compareTo() methods? Do those methods give same answer?
16 Answers
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