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Purpose of memory alignment

... It's a limitation of many underlying processors. It can usually be worked around by doing 4 inefficient single byte fetches rather than one efficient word fetch, but many language specifiers decided it would be easier just to outlaw them and force everything to be aligned. There is ...
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Difference between HBase and Hadoop/HDFS

... Hadoop is basically 3 things, a FS (Hadoop Distributed File System), a computation framework (MapReduce) and a management bridge (Yet Another Resource Negotiator). HDFS allows you store huge amounts of data in a distributed (provides faster...
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CSS Child vs Descendant selectors

...gt;<table><tr><td><p> <!... The first one is called descendant selector and the second one is called child selector. share | improve this answer | ...
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How to copy DLL files into the same folder as the executable using CMake?

...the configuration type into the path to the dll in the add_custom_command call, like this: add_custom_command(TARGET MyTest POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy_directory "${PROJECT_SOURCE_DIR}/libs/$<CONFIGURATION>" $<TARGET_FILE_DIR:MyTest>) ...
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What is a Proxy in Doctrine 2?

I just finished reading all the Doctrine 2 documentation, I started my own sandbox, I understood most of the principes, but there is still a question and I couldn't find any complete explanation in the doc. ...
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Proper Linq where clauses

...collection where as in the first one, it's applying the first predicate to all items first and the result (which is narrowed down at this point) is used for the second predicate and so on. The results get narrowed down every pass but still it involves multiple passes. Also the chaining (first metho...
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Why java.lang.Object is not abstract? [duplicate]

Why is the Object class, which is base class of 'em all in Java, not abstract? 14 Answers ...
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Is there a destructor for Java?

...re is no direct equivalent of a destructor. There is an inherited method called finalize, but this is called entirely at the discretion of the garbage collector. So for classes that need to explicitly tidy up, the convention is to define a close method and use finalize only for sanity checking (i.e...
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Pros and cons to use Celery vs. RQ [closed]

...ven be inaccurate on some points. In short, RQ is designed to be simpler all around. Celery is designed to be more robust. They are both excellent. Documentation. RQ's documentation is comprehensive without being complex, and mirrors the project's overall simplicity - you never feel lost or con...
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Reading string from input with space character? [duplicate]

... %c represents a character just like %d represents a integer, %*c all characters. So totally it means read all characters until you encounter a new line character @NathanProgrammer – Nobody Jul 5 '17 at 15:33 ...