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Java 8 Streams: multiple filters vs. complex condition
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@Juan Carlos Diaz: no, streams don’t work that way. Read about “lazy evaluation”; intermediate operations don’t do anything, they only alter the outcome of the terminal operation.
– Holger
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Can I have multiple Xcode versions installed?
Is it possible to have more than one version of Xcode installed at the same time?
12 Answers
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Any reason to clean up unused imports in Java, other than reducing clutter?
... the list interface.
In Eclipse you can always use a shortcut (depends on OS - Win: Ctrl + SHIFT + O and Mac: COMMAND + SHIFT + O) to organize the imports. Eclipse then cleans up the import section removes all the stale imports etc. If you are needing a imported thing again eclipse will add them au...
What is the difference between the states selected, checked and activated in Android?
I'd like to know what differs those states. I didn't find any webpage clarifying this.
3 Answers
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Do HttpClient and HttpClientHandler have to be disposed between requests?
...d System.Net.Http.HttpClientHandler in .NET Framework 4.5 implement IDisposable (via System.Net.Http.HttpMessageInvoker ).
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What is the garbage collector in Java?
...eating new objects, such as Strings and Files, but after a certain time, those objects are not used anymore. For example, take a look at the following code:
for (File f : files) {
String s = f.getName();
}
In the above code, the String s is being created on each iteration of the for loop. Thi...
What's the need of array with zero elements?
...have an incomplete array type; this is called a flexible array member. In most situations,
the flexible array member is ignored. In particular, the size of the structure is as if the
flexible array member were omitted except that it may have more trailing padding than
the omission would ...
What is RSS and VSZ in Linux memory management
... It does include memory from shared libraries as long as the pages from those libraries are actually in memory. It does include all stack and heap memory.
VSZ is the Virtual Memory Size. It includes all memory that the process can access, including memory that is swapped out, memory that is allo...
When is the finalize() method called in Java?
...e readers) it is never called on the main class, as, when the main class closes, no garbage needs to be collected. The OS cleans up everything the app used anyway.
– Mark Jeronimus
May 7 '12 at 7:05
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Multiprocessing - Pipe vs Queue
... want to spawn two processes and send messages between them as quickly as possible. These are the timing results of a drag race between similar tests using Pipe() and Queue()... This is on a ThinkpadT61 running Ubuntu 11.10, and Python 2.7.2.
FYI, I threw in results for JoinableQueue() as a bonus;...