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When is TCP option SO_LINGER (0) required?
...ing stuck in CLOSE_WAIT or ending up in the TIME_WAIT state.
If you must restart your server application which currently has thousands of client connections you might consider setting this socket option to avoid thousands of server sockets in TIME_WAIT (when calling close() from the server end) as t...
Android splash screen image sizes to fit all devices
...s to design a different splash screen for every single resolution. You can start by following the resolutions in the table at the end of this page (there are more. Example: 960 x 720 is not listed there). And assuming you have some small detail in the image, such as small text, you have to design mo...
Difference between classification and clustering in data mining? [closed]
...st.
Let’s get back to Kylo Ren. Let’s say Kylo picks up the saber and starts playing with it. He accidentally hits a stormtrooper and the stormtrooper gets injured. He doesn’t understand what’s going on and continues playing. Next he hits a cat and the cat gets injured. This time Kylo is su...
How to pass the values from one activity to previous activity
...e secondary Activity (your 'Edit Text' Activity) as a subactivity by using startActivityForResult from your main Activity.
Intent i = new Intent(this,TextEntryActivity.class);
startActivityForResult(i, STATIC_INTEGER_VALUE);
Within the subactivity, rather than just closing the Activity when a...
Assert an object is a specific type
...nswer, it is NOT correct and leads to multiple compilation errors: Illegal start of expression, illegal start of type, ';' expected... In other words, your second parameter to the assertThat matcher, CANNOT be "instanceof (BaseClass.class)"! In fact, you didnt even type that correctly, the syntax y...
Is floating-point math consistent in C#? Can it be?
...ncurs the overhead of a delegate call on every math operation.
I've just started a software implementation of 32 bit floating point math. It can do about 70million additions/multiplications per second on my 2.66GHz i3.
https://github.com/CodesInChaos/SoftFloat . Obviously it's still very incomplet...
How to sort in-place using the merge sort algorithm?
...are represented as ranges [i, m) and [j, n) respectively. The working area starts from w. Compare with the standard merge algorithm given in most textbooks, this one exchanges the contents between the sorted sub-array and the working area. As the result, the previous working area contains the merged...
ViewBag, ViewData and TempData
...Index()
{
var model = new Review()
{
Body = "Start",
Rating=5
};
TempData["ModelName"] = model;
return RedirectToAction("About");
}
public ActionResult About()
{
var model= TempData["ModelName"];
return View(model);
}
The l...
Differences between Oracle JDK and OpenJDK
...rom OpenJDK.
As suggested by many, licensing is a change between JDKs.
Starting with JDK 11 accessing the long time support Oracle JDK/Java SE will now require a commercial license. You should now pay attention to which JDK you're installing as Oracle JDK without subscription could stop working....
LinkedBlockingQueue vs ConcurrentLinkedQueue
...sh their job by placing the work in the queue and only after the consumers starts to consume, knowing that they will be done when queue is empty. (here is no concurrency between producer-consumer but only between producer-producer and consumer-consumer)
...