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ByteBuffer.allocate() vs. ByteBuffer.allocateDirect()

...Garbage Collector could move it at any time. Arrays are objects in Java, and the way data is stored inside that object could vary from one JVM implementation to another. For this reason, the notion of a direct buffer was introduced. Direct buffers are intended for interaction with...
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What's the best visual merge tool for Git? [closed]

What's the best tool for viewing and editing a merge in Git? I'd like to get a 3-way merge view, with "mine", "theirs" and "ancestor" in separate panels, and a fourth "output" panel. ...
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How to install Java 8 on Mac

...ng with the latest JavaFX, which requires Java 8. I'm using IntelliJ 13 CE and Mac OS X 9 Mavericks. I ran Oracle's Java 8 installer, and the files look like they ended up at ...
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Maximum filename length in NTFS (Windows XP and Windows Vista)?

...ndividual components of a filename (i.e. each subdirectory along the path, and the final filename) are limited to 255 characters, and the total path length is limited to approximately 32,000 characters. However, on Windows, you can't exceed MAX_PATH value (259 characters for files, 248 for folders)...
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How do I get Windows to go as fast as Linux for compiling C++?

...ng, you're not going to get more than partisan comments (which I won't do) and speculation (which is what I'm going to try). File system - You should try the same operations (including the dir) on the same filesystem. I came across this which benchmarks a few filesystems for various parameters. Ca...
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Why are elementwise additions much faster in separate loops than in a combined loop?

Suppose a1 , b1 , c1 , and d1 point to heap memory and my numerical code has the following core loop. 10 Answers ...
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How to declare global variables in Android?

I am creating an application which requires login. I created the main and the login activity. 17 Answers ...
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How can I get the console logs from the iOS Simulator?

...ut, so you can see the logs mixed up with system logs. Open the Terminal and type: tail -f /var/log/system.log Then run the simulator. EDIT: This stopped working on Mavericks/Xcode 5. Now you can access the simulator logs in its own folder: ~/Library/Logs/iOS Simulator/<sim-version>/syste...
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Remote debugging Tomcat with Eclipse

... it. Eclipse doesn't actually say anything when it successfully connects, and reconnecting a second time forces the error. So it was working, but I just didn't notice. – victor Oct 1 '10 at 17:18 ...
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Why is “import *” bad?

...f into your namespace (might shadow some other object from previous import and you won't know about it). Because you don't know exactly what is imported and can't easily find from which module a certain thing was imported (readability). Because you can't use cool tools like pyflakes to statically ...