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Technically, why are processes in Erlang more efficient than OS threads?
... registers, address space mapping, etc.).
Erlang processes use dynamically allocated stacks, which start very small and grow as necessary. This permits the spawning of many thousands — even millions — of Erlang processes without sucking up all available RAM.
Erlang used to be single-threaded, me...
How to write a simple database engine [closed]
... answered Jun 30 '09 at 7:13
a_m0da_m0d
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How to insert a line break in a SQL Server VARCHAR/NVARCHAR string
...can list here which of your apps it doesn't work for. I prefer the CHAR(0x0D) + CHAR(0x0A) hexadecimal values myself, but to each their own.
– MikeTeeVee
Mar 27 '13 at 7:02
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What is a deadlock?
...o process P1 and p2 and there are two resources R1 and R2.
Resource R1 is allocated to process P1 and resource R2 is allocated to process p2.
To complete execution of process P1 needs resource R2, so P1 request for R2, but R2 is already allocated to P2.
In the same way Process P2 to complete its ...
Performance of Arrays vs. Lists
...t to and probably less than the capacity of the _items array. The array is allocated with excess capacity to make adding future items quicker by not requiring re-allocation for every addition.
– Trasvi
Dec 17 '15 at 0:42
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How to assign a Git SHA1's to a file without Git?
...qualTo("0f0f3e3b1ff2bc6722afc3e3812e6b782683896f") But my function gives 0d758c9c7bc06c1e307f05d92d896aaf0a8a6d2c. Any ideas how git hash-object handles umlauts?
– forki23
Feb 24 '10 at 11:38
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Delete column from SQLite table
...re is my implementation using Qt's QSqlQuery: gist.github.com/ephemerr/568d0d41bc389ec78f9fb7d1f015a82a
– ephemerr
Dec 20 '17 at 13:04
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Can I see changes before I save my file in Vim?
...f !exists(":DiffOrig")
command DiffOrig vert new | set bt=nofile | r # | 0d_ | diffthis
\ | wincmd p | diffthis
endif
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Java: int array initializes with nonzero elements
... we are faced with a bug in the JIT-compiler. Compiler determines that the allocated array is filled after allocation in Arrays.fill(...), but the check for uses between the allocation and the fill is faulty. So, compiler performs an illegal optimization - it skips zeroing of allocated array.
This ...
Is it safe to push_back an element from the same vector?
If the second push_back causes a reallocation, the reference to the first integer in the vector will no longer be valid. So this isn't safe?
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