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How to install GCC piece by piece with GMP, MPFR, MPC, ELF, without shared libraries?
...or all versions. Building GCC with --disable-shared is usually a very bad idea. See http://gcc.gnu.org/wiki/InstallingGCC for an easier approach.
The entire process should be no more difficult than this (replacing 4.6.2 with the version you want to build):
tar xzf gcc-4.6.2.tar.gz
cd gcc-4.6.2
./...
Java's Virtual Machine and CLR
...the runtime performance of a computer program. JIT builds upon two earlier ideas in run-time environments: bytecode compilation and dynamic compilation. It converts code at runtime prior to executing it natively, for example bytecode into native machine code. The performance improvement over interpr...
Django dynamic model fields
...oth worlds: dynamic fields and relational database. However, hstore is not ideal performance-wise, especially if you are going to end up storing thousands of items in one field. It also only supports strings for values.
#app/models.py
from django.contrib.postgres.fields import HStoreField
class So...
Iterator invalidation rules
...
Good idea, just to remark: I think that the associative containers could be folded together in a single line, and it could be worth then adding another line of the unordered associative ones... though I am not sure how the rehashi...
Is non-blocking I/O really faster than multi-threaded blocking I/O? How?
...ronous and asynchronous writes.
The steps 1 to 7 you describe give a good idea of how it works. On Windows the operating system will inform you about completion of an asynchronous I/O (WriteFile with OVERLAPPED structure) using an event or a callback. Callback functions will only be called for exam...
Approximate cost to access various caches and main memory?
...
To have an idea of how much time it is, Wikipedia mentions "One nanosecond is to one second as one second is to 31.7 years." en.wikipedia.org/wiki/Nanosecond
– Only You
Nov 23 '13 at 23:07
...
What's the difference(s) between .ToList(), .AsEnumerable(), AsQueryable()?
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@antoninod Good idea. Done.
– Gert Arnold
Apr 9 at 15:52
@k...
Transaction isolation levels relation with locks on table
...y use: MVCC or Two Phase Locking.
CUBRID (open source RDBMS) explains the idea of this two algorithms:
Two-phase locking (2PL)
The first one is when the T2 transaction tries to change the A record,
it knows that the T1 transaction has already changed the A record and
waits until ...
How does Google Instant work?
Any ideas on exactly how the new google instant search works? It seems to just be AJAX calls to the old search, but it's pretty hard to simplify Google that much. Anybody have speculations?
...
Reset/remove CSS styles for element only
...own this document, so you cannot change existing style rules. You have no idea what the style sheets could be, or what they may change to.
Use cases for this are when you are providing a displayable component for unknown 3rd party websites to use. Examples of this would be:
An ad tag
Building a...