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What is Cache-Control: private?
... date]
Cache-Control: max-age=[seconds]
The server kindly asked any intermediate proxies to not cache the contents (i.e. the item should only be cached in a private cache, i.e. only on your own local machine):
Cache-Control: private
But the server forgot to include any sort of caching hints:
...
What is the JUnit XML format specification that Hudson supports?
...t as a test protocol:
<testsuite tests="3">
<testcase classname="foo1" name="ASuccessfulTest"/>
<testcase classname="foo2" name="AnotherSuccessfulTest"/>
<testcase classname="foo3" name="AFailingTest">
<failure type="NotEnoughFoo"> details about fai...
When would anyone use a union? Is it a remnant from the C-only days?
...n't really get unions. Every C or C++ text I go through introduces them (sometimes in passing), but they tend to give very few practical examples of why or where to use them. When would unions be useful in a modern (or even legacy) case? My only two guesses would be programming microprocessors when ...
Why do we need fibers
...
Fibers are something you will probably never use directly in application-level code. They are a flow-control primitive which you can use to build other abstractions, which you then use in higher-level code.
Probably the #1 use of fibers ...
How does the const constructor actually work?
...ve noticed it's possible to create a const constructor in Dart. In the documentation, it says that const word is used to denote something a compile time constant.
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What is the difference between canonical name, simple name and class name in Java Class?
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If you're unsure about something, try writing a test first.
I did this:
class ClassNameTest {
public static void main(final String... arguments) {
printNamesForClass(
int.class,
"int.class (primitive)");
...
How do I use reflection to call a generic method?
What's the best way to call a generic method when the type parameter isn't known at compile time, but instead is obtained dynamically at runtime?
...
When to use EntityManager.find() vs EntityManager.getReference() with JPA
I have come across a situation (which I think is weird but is possibly quite normal) where I use the EntityManager.getReference(LObj.getClass(), LObj.getId()) to get a database entity and then pass the returned object to be persisted in another table.
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How to use WeakReference in Java and Android development?
.... A classic example is a cache that you want to be garbage collected when memory usage gets too high (often implemented with WeakHashMap).
Be sure to check out SoftReference and PhantomReference as well.
EDIT: Tom has raised some concerns over implementing a cache with WeakHashMap. Here is an ar...
Places where JavaBeans are used?
...h the class and interface structure? Why do I need beans? And can you give me some examples where beans are essential instead of classes and interfaces?
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