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Converting between java.time.LocalDateTime and java.util.Date
Java 8 has a completely new API for date and time. One of the most useful classes in this API is LocalDateTime , for holding a timezone-independent date-with-time value.
...
How to make a copy of a file in android?
... out.close();
}
} finally {
in.close();
}
}
On API 19+ you can use Java Automatic Resource Management:
public static void copy(File src, File dst) throws IOException {
try (InputStream in = new FileInputStream(src)) {
try (OutputStream out = new FileOutputStr...
WebSockets protocol vs HTTP
...his as Server-Sent Events using a text/event-stream MIME type. The browser API (which is fairly similar to the WebSocket API) is called the EventSource API.
Comet/server push: this is an umbrella term that includes both long-poll and HTTP streaming. Comet libraries usually support multiple technique...
WSDL vs REST Pros and Cons
... a useful web service up and running quickly. If you don't need a strict
API definition, this is the way to go. Most web services fall into this category. You can version your API so that updates to the API do not break it for people using old versions(as long as they specify a version). REST e...
View's getWidth() and getHeight() returns 0
...obalOnLayoutListener is deprecated, you should now do :
@SuppressLint("NewApi")
@SuppressWarnings("deprecation")
@Override
public void onGlobalLayout() {
// Ensure you call it only once :
if(android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN) {
yourVie...
How can I interrupt a ServerSocket accept() method?
...nge, that there is no this info in docs: download.oracle.com/javase/6/docs/api/java/net/… method is not marked as throwing SocketException. It is only mentioned here download.oracle.com/javase/1.4.2/docs/api/java/net/…
– Vladislav Rastrusny
Apr 7 '11 at 12:...
What's wrong with Java Date & Time API? [closed]
... design decisions really lay to waste any thought of being a well designed API. Here are some of the favourite mistakes:
Despite being designed in the last decade of the millennium, it rates years as two digits since 1900. There are literally millions of workarounds doing 1900+ (or 1900-) in the J...
jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class
...
The servlet API .jar file must not be embedded inside the webapp since, obviously, the container already has these classes in its classpath: it implements the interfaces contained in this jar.
The dependency should be in the provided sc...
How can a Java program get its own process ID?
...ng virtual machine
could have a different name.
In Java 9 the new process API can be used:
long pid = ProcessHandle.current().pid();
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Prevent redirection of Xmlhttprequest
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The new Fetch API supports different modes of redirect handling: follow, error, and manual, but I can't find a way to view the new URL or the status code when the redirection has been canceled. You just can stop the redirection itself, and...