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What is the performance cost of having a virtual method in a C++ class?
...od point that a virtual function call may cause an instruction cache miss: if you jump to a code address that is not in cache then the whole program comes to a dead halt while the instructions are fetched from main memory. This is always a significant stall: on Xenon, about 650 cycles (by my tests)....
OPTION (RECOMPILE) is Always Faster; Why?
...d when you mentioned a query initially run on a table with 10 records, and now the table has millions of records. That was my case exactly. I didn't mention it in the post because I didn't think it mattered. Fascinating stuff. Thanks again.
– Chad Decker
Jan 1 ...
Pacman: how do the eyes find their way back to the monster hole?
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Thanks. I think Ill stick with this solution. Anybody knows how it was done in the original Pacman?
– RoflcoptrException
Jul 2 '10 at 7:25
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How can I get stock quotes using Google Finance API?
... google. so it is no longer functioning.
Agree with Pareshkumar's answer. Now there is a python wrapper googlefinance for the url call.
Install googlefinance
$pip install googlefinance
It is easy to get current stock price:
>>> from googlefinance import getQuotes
>>> import ...
fatal error LNK1112: module machine type 'x64' conflicts with target machine type 'X86'
... For those using Visual Studio 2013 - step 4 has been deprecated, you now make the change in the project properties -> configuration properties -> VC++ Directories - Library Directories
– PolyMesh
Mar 19 '14 at 23:05
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How to get city name from latitude and longitude coordinates in Google Maps?
How might I obtain the city name in Google Maps if I have latitude and longitude coordinates of a town or area?
15 Answers
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What is pseudopolynomial time? How does it differ from polynomial time?
...then it will take some worst-case amount of time, say T, to complete. If I now add a single bit to the end of the number, like this:
100010101010111
The runtime will now (in the worst case) be 2T. I can double the amount of work the algorithm does just by adding one more bit!
An algorithm run...
What are the mathematical/computational principles behind this game?
...o lines meet in exactly one point (this is a bit different from Euclid).
Now, add "finite" into the soup and you have the question:
Can we have a geometry with just 2 points? With 3 points? With 4? With 7?
There are still open questions regarding this problem but we do know this:
If there are ...
Build tree array from flat array in javascript
... has :
id : a unique id,
parentId : the id of the parent node (which is 0 if the node is a root of the tree)
level : the level of depth in the tree
...
Setting PATH environment variable in OSX permanently
... This is the only solution that works on El Capitan. Better than modifying .bash_profile and .profile.
– IgorGanapolsky
Nov 29 '15 at 21:06
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