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INNER JOIN vs LEFT JOIN performance in SQL Server
... problems lie elsewhere, such as not having a candidate key or foreign key indexed properly. 9 tables is quite a lot to be joining so the slowdown could literally be almost anywhere. If you post your schema, we might be able to provide more details.
Edit:
Reflecting further on this, I could th...
“for loop” with two variables? [duplicate]
...you would want (since it is impossible for there to be the same element at index 9 when one of the lists is only 5 elements long). If that is what you want, go with this:
def equal_elements(t1, t2):
return [x for x, y in zip(t1, t2) if x == y]
This will return a list containing only the elem...
Find index of a value in an array
Can linq somehow be used to find the index of a value in an array?
8 Answers
8
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Passing a 2D array to a C++ function
...y as one dimensional, and uses arithmetic to figure out the offsets of the indexes. In this case, you would define the template like this:
template<int C, int R>
void myFunction(double (&myArray)[R][C])
{
myFunction(*myArray, R, C);
}
...
How to fetch the row count for all tables in a SQL SERVER database [duplicate]
...I.rows AS [ROWCOUNT] FROM sys.tables AS T INNER JOIN sys.sysindexes AS I ON T.object_id = I.id AND I.indid < 2 ORDER BY I.rows DESC
– Muhammad Sohail
May 25 '18 at 5:07
...
Auto-reload browser when I save changes to html file, in Chrome?
...anguage you use, whether it be Ruby, Handcraft, Python, Django, NET, Java, Php, Drupal, Joomla or what-have-you.
I copied this answer almost verbatim from here, because I think it's easier and more general than the currently accepted answer here.
...
How to create a drop-down list?
...ivate static final String[]paths = {"item 1", "item 2", "item 3"}; help of php code taking data from my sql How can I Take these Value from mysql server and make dynamic and admin Updatable spinner
– Ashish Shahi
May 31 '17 at 10:17
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Why should hash functions use a prime number modulus?
...
tl;dr
index[hash(input)%2] would result in a collision for half of all possible hashes and a range of values. index[hash(input)%prime] results in a collision of <2 of all possible hashes. Fixing the divisor to the table size a...
C# Interfaces. Implicit implementation versus Explicit implementation
...o would be implicitly implemented as:
public void CopyTo(Array array, int index)
{
throw new NotImplementedException();
}
and explicitly as:
void ICollection.CopyTo(Array array, int index)
{
throw new NotImplementedException();
}
The difference is that implicit implementation allows yo...
javascript scroll event for iPhone/iPad?
...stantiated iScroll on touch).
.touch #wrapper {
position: absolute;
z-index: 1;
top: 0;
bottom: 0;
left: 0;
right: 0;
overflow: hidden;
}
.touch #scroller {
position: absolute;
z-index: 1;
width: 100%;
}
JS:
I included iscroll-probe.js from the iScroll download, and then initi...