大约有 5,475 项符合查询结果（耗时：0.0136秒） [XML]
How do cache lines work?
...in parallel if possible.
An access of the main memory costs about 70ns to 100ns (DDR4 is slightly faster). This time is basically looking up the L1, L2 and L3 cache and than hit the memory (send command to memory controller, which sends it to the memory banks), wait for the response and done.
100...
What is the best way to measure execution time of a function? [duplicate]
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Tickcount is good, however i suggest running it 100 or 1000 times, and calculating an average.
Not only makes it more measurable - in case of really fast/short functions, but helps dealing with some one-off effects caused by the overhead.
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How do I overload the [] operator in C# [duplicate]
...ming Guide)
class SampleCollection<T>
{
private T[] arr = new T[100];
public T this[int i]
{
get => arr[i];
set => arr[i] = value;
}
}
// This class shows how client code uses the indexer
class Program
{
static void Main(string[] args)
{
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Invalid syntax when using “print”? [duplicate]
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You need parentheses:
print(2**100)
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Ruby array to string conversion
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@corroded Sorry, I got it. JSON.parse("[12, 39, 100]") will return an array.
– zx1986
Jan 23 '17 at 1:47
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How to switch databases in psql?
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100
At the PSQL prompt, you can do:
\connect (or \c) dbname
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how to clear the screen in python [duplicate]
...t print a number of newlines higher than the screen height: print ("\n" * 100)
– jsbueno
Jun 2 '16 at 5:21
3
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C# '@' before a String [duplicate]
... will be treated literally. msdn.microsoft.com/en-us/library/362314fe(v=VS.100).aspx explains further and gives examples.
– Mark Avenius
Feb 2 '11 at 20:12
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Compare two objects and find the differences [duplicate]
...omeCustomClass();
SomeCustomClass b = new SomeCustomClass();
a.x = 100;
List<Variance> rt = a.DetailedCompare(b);
My sample class to compare against
class SomeCustomClass
{
public int x = 12;
public int y = 13;
}
AND THE MEAT AND POTATOES
using Sys...
Very Long If Statement in Python [duplicate]
... color == 'red' and emphasis == 'strong' or
highlight > 100):
raise ValueError("sorry, you lose")
if width == 0 and height == 0 and (color == 'red' or
emphasis is None):
raise ValueError("I don't think so -...