大约有 953 项符合查询结果（耗时：0.0419秒） [XML]
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...
Visual Studio support for new C / C++ standards?
...8/n2669.htm
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2197.pdf
have his name on it. So I guess the inclusion on Windows of C++0x is assured as long as H. Sutter remains at Microsoft.
As for C99 only partly included in Visual Studio, I guess this is a question of priorities.
Most int...
General suggestions for debugging in R
... seen so far is:
http://www.biostat.jhsph.edu/%7Erpeng/docs/R-debug-tools.pdf
Anybody agree/disagree?
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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...
Parse usable Street Address, City, State, Zip from a string [closed]
...ddressing Standards (USPS) at http://pe.usps.gov/cpim/ftp/pubs/Pub28/pub28.pdf and notice it is 130+ pages long. Regexes to implement that would be nuts.
For international addresses, all bets are off. US-based workers would not be able to validate.
Alternatively, use a data service. I have, howev...
What is a PDB file?
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@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...
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....
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
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What is the memory consumption of an object in Java?
....virginia.edu/kim/publicity/pldi09tutorials/memory-efficient-java-tutorial.pdf is also very informative, for example:
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