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Choice between vector::resize() and vector::reserve()
... the only effect.
So it depends on what you want. If you want an array of 1000 default items, use resize(). If you want an array to which you expect to insert 1000 items and want to avoid a couple of allocations, use reserve().
EDIT: Blastfurnace's comment made me read the question again and reali...
What is the motivation for bringing Symbols to ES6?
...
100
Symbols do not guarantee true privacy but can be used to separate public and internal properti...
Good example of livelock?
...e (!container.getIngredient(quantity)) {
container.empty.await(1000, TimeUnit.MILLISECONDS);
//Thread.sleep(500); //For deadlock
}
container.unlock();
:
}
IngredientContainer.java
public boolean getIngredient(int n) throws Exception {
:
lock...
Speed up the loop operation in R
...)
}
Compare result for this functions, this time for nrow from 10,000 to 100,000 by 10,000.
Tuning the tuned
Another tweak is to changing in a loop indexing temp[i,9] to res[i] (which are exact the same in i-th loop iteration).
It's again difference between indexing a vector and indexing a dat...
How to handle many-to-many relationships in a RESTful API?
...Roberto Dinamite',
birth: '1954-04-13T00:00:00Z',
}
/api/TeamsPlayers/100
{
id: 100,
playerId: 10,
teamId: 1,
contractStartDate: '1971-11-25T00:00:00Z',
}
This solution relies on REST resources only. Although some extra calls may be necessary to get data from players, teams or...
How do I create a WPF Rounded Corner container?
...gleGeometry>
</Border.Clip>
<Rectangle
Width="100"
Height="100"
Fill="Blue"
HorizontalAlignment="Left"
VerticalAlignment="Center"
/>
</Border>
The code for the converter:
public class WidthAndHeightToRectConverter : IMultiV...
source of historical stock data [closed]
...atever format you want. I think the yearly subscription for data is a few $100 bucks.
The main problem with downloading data from a free service is that you only get stocks that still exist, this is called Survivorship Bias and can give you wrong results if you look at many stocks, because you'll ...
How to get current CPU and RAM usage in Python?
...lculate percentage of available memory
psutil.virtual_memory().available * 100 / psutil.virtual_memory().total
20.8
Here's other documentation that provides more concepts and interest concepts:
https://psutil.readthedocs.io/en/latest/
...
Tools for analyzing performance of a Haskell program
...NTRE MODULE %time %alloc
numDivs Main 100.0 100.0
Indicating that all your time is spent in numDivs, and it is also the source of all your allocations.
Heap Profiles
You can also get a break down of those allocations, by running with +RTS -p -hy, which creat...
What are the disadvantages of using persistent connection in PDO
...
+1000
Please be sure to read this answer below, which details ways to mitigate the problems outlined here.
The same drawbacks exist u...