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Comparison of full text search engine - Lucene, Sphinx, Postgresql, MySQL?
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Shankar DamodaranShankar Damodaran
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Difference between volatile and synchronized in Java
...c; on some (older) hardware this might require locks, though not on modern 64 bit hardware. Under the new (JSR-133) memory model for Java 5+, the semantics of volatile have been strengthened to be almost as strong as synchronized with respect to memory visibility and instruction ordering (see http:/...
Clang vs GCC - which produces faster binaries? [closed]
...ither compiler's
performance when compiling C++ code.
On Ubuntu 15.10, x86.64, and an AMD Phenom(tm) II X6 1090T processor.
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How can I determine whether a 2D Point is within a Polygon?
...points to test, this will pay off, consider some GPUs will be able to test 64 to 256 points in parallel. Note however that transferring data from CPU to GPU and back is always expensive, so for just testing a couple of points against a couple of simple polygons, where either the points or the polygo...
What happens when a computer program runs?
...e to access it.
+-----------+ 0x110000
| high | just over 1MB->1MB+64KB, used by 286s and above.
+-----------+ 0x100000
| upper | upper memory area, from 640kb->1MB, had mapped memory for video devices, the
| | DOS "transient" area, etc. some was often free, and could be use...
Why would finding a type's initializer throw a NullReferenceException?
... push rsi
000007fe`e5735363 57 push rdi
000007fe`e5735364 4154 push r12
000007fe`e5735366 4883ec30 sub rsp,30h
000007fe`e573536a 498bf8 mov rdi,r8
000007fe`e573536d 8bea mov ebp,edx
000007fe`e573536f 48c744242800000000 mov qw...
Why does this loop produce “warning: iteration 3u invokes undefined behavior” and output more than 4
...StL8__ioinit,1,1
.ident "GCC: (i686-posix-dwarf-rev1, Built by MinGW-W64 project) 4.9.0"
.def __ZNSt8ios_base4InitD1Ev; .scl 2; .type 32; .endef
.def __ZNSolsEi; .scl 2; .type 32; .endef
.def __ZNSo3putEc; .scl 2; .type 32; .endef
.def __ZNSo5fl...
What should main() return in C and C++?
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64
reentering main is not valid C++. Explicitly in the standard, 3.6.1.3 states 'main shall not be used within a program'
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Get MIME type from filename extension
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Samuel NeffSamuel Neff
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SPA best practices for authentication and session management
...t.
This, of course, absolutely requires SSL, because you're passing a Base64 (reversibly) encoded name and password with every request. Anybody listening on the line could extract username and password trivially. Most of the "Basic Auth is insecure" arguments come from a place of "Basic Auth over H...