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Is the sizeof(some pointer) always equal to four?
... Pointers to member functions are a real pain. It is unfortunate that not all compilers does it like the Digital Mars C++ compiler, which return 4 in all cases.
– dalle
Feb 18 '09 at 15:21
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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.
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Error message “No exports were found that match the constraint contract name”
...}\AppData\Local
For those who have multiple versions of Visual Studio installed, e.g. 2012 and 2013, it might help to remove the ComponentModelCache for both versions before restarting Visual Studio, e.g. 11.0 and 12.0.
sha...
assign multiple variables to the same value in Javascript
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Yeah, if doing this with an object, all the variables will be aliases of the object. I.E function MyObj(){this.x=1} var a,b; a = b = new MyObj(); ++a.x will also increment the b.x property.
– AlexMorley-Finch
Mar 10 '14 at...
When to use: Java 8+ interface default method, vs. abstract method
Java 8 allows for default implementation of methods in interfaces called Default Methods .
15 Answers
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What's the difference between JavaScript and JScript?
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Just different names for what is really ECMAScript. John Resig has a good explanation.
Here's the full version breakdown:
IE 6-7 support JScript 5 (which is equivalent to ECMAScript 3, JavaScript 1.5)
IE 8 supports JScript 6 (which is equivalent to ECMAScri...
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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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...
Purpose of memory alignment
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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 ...
Difference between HBase and Hadoop/HDFS
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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...