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How do the likely/unlikely macros in the Linux kernel work and what is their benefit?

... (likely(a > 1)) Reference: https://www.akkadia.org/drepper/cpumemory.pdf share | improve this answer | follow | ...
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Scala actors: receive vs react

...ify Threads and Events][2] [2]: lamp.epfl.ch/~phaller/doc/haller07coord.pdf "Actors that Unify Threads and Events" – Hexren Jun 15 '10 at 14:53 add a comment ...
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Difference between HBase and Hadoop/HDFS

...ent, a column qualifier might be content:html and another might be content:pdf. Though column families are fixed at table creation, column qualifiers are mutable and may differ greatly between rows. Cell A cell is a combination of the row, column family, and column qualifier, and contains a value...
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Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?

...u may want to add this to your answer: emulators.com/docs/nx25_nostradamus.htm – leander Aug 3 '13 at 20:35 3 ...
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General suggestions for debugging in R

... seen so far is: http://www.biostat.jhsph.edu/%7Erpeng/docs/R-debug-tools.pdf Anybody agree/disagree? share | improve this answer | follow | ...
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Choose File Dialog [closed]

...this code pick multiple file format ie fileDialog.setFileEndsWith(".txt",".pdf"); or fileDialog.setFileEndsWith("fle/*"); please answr – Anitha Jan 29 '15 at 11:46 ...
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How does Go compile so quickly?

...rences: [1] http://www.inf.ethz.ch/personal/wirth/ProjectOberon/PO.System.pdf, page 6: "The compiler compiles itself in about 3 seconds". This quote is for a low cost Xilinx Spartan-3 FPGA development board running at a clock frequency of 25 MHz and featuring 1 MByte of main memory. From this one c...
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What is a PDB file?

... @Ata: PDB, not PDF. Please separate the two in your mind - they're completely different file formats, for different purposes. Including a PDB wouldn't introduce a problem particularly; it may make a hacker's job slightly easier, but is that...
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How can I use threading in Python?

...in tasks like this! As was shown by Dave Beazley: dabeaz.com/python/NewGIL.pdf, 2 python threads on 2 CPUs carry out a CPU-heavy task 2 times SLOWER than 1 thread on 1 CPU and 1.5 times SLOWER than 2 threads on 1 CPU. This bizarre behavior is due to mis-coordination of efforts between OS and Python....
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What's the difference between “STL” and “C++ Standard Library”?

...o be in the company of Bjarne Stroustrup - ref. eg. stroustrup.com/DnE2005.pdf : "the STL (the "Standard Template Library"; that is, the containers and algorithm framework of the ISO C++ standard library)" – Sander De Dycker Aug 11 '14 at 13:21 ...