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Laravel Eloquent Sum of relation's column
...y AS paid_sum' => function ($query) {
$query->select(DB::raw("SUM(amount_total) as paidsum"))->where('status', 'paid');
}
]);
it returns
"paid_sum_count" => "320.00"
in Deals attribute.
This it now the sum which i wanted to get not the count.
...
Javascript - get array of dates between 2 dates
I'd like "range" to be an array of date objects, one for each day between the two dates.
24 Answers
...
How do I pass a unique_ptr argument to a constructor or a function?
...bject pointed to, or by what means that ownership is managed, so passing a raw pointer is both perfectly safe, and the most flexible form, since regardless of ownership a client can always produce a raw pointer (either by calling the get method or from the address-of operator &).
For instance t...
Usage of sys.stdout.flush() method
...ider the following simple Python script:
import time
import sys
for i in range(5):
print(i),
#sys.stdout.flush()
time.sleep(1)
This is designed to print one number every second for five seconds, but if you run it as it is now (depending on your default system buffering) you may not s...
How to break out of a loop from inside a switch?
...r.
Otherwise, stop looping forever.
End.
Code
while True:
choice = raw_input('What do you want? ')
if choice == 'restart':
continue
else:
break
print 'Break!'
Versus:
Initialize the user's choice.
Loop while the user's choice is the word 'restart'.
Ask the user...
convert double to int
...etc - although you'll still need a cast afterwards.
Don't forget that the range of int is much smaller than the range of double. A cast from double to int won't throw an exception if the value is outside the range of int in an unchecked context, whereas a call to Convert.ToInt32(double) will. The r...
C++ Erase vector element by value rather than by position? [duplicate]
... It moves all values not equal to the value passed to the beginning of the range [begin,end). With your example in the question you'd get 5,9,2,0,7,7. As remove() however returns an iterator to the new end, vec.erase() can remove the obsolete elements (i.e. the second 7 here) if that is needed.
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Python: Making a beep noise
...
This one is neat: def annoy(): for i in range(1, 10): winsound.Beep(i * 100, 200)
– Skurmedel
Jun 30 '11 at 15:56
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sed or awk: delete n lines following a pattern
How would I mix patterns and numeric ranges in sed (or any similar tool - awk for example)? What I want to do is match certain lines in a file, and delete the next n lines before proceeding, and I want to do that as part of a pipeline.
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Generate random integers between 0 and 9
...
Try:
from random import randrange
print(randrange(10))
Docs: https://docs.python.org/3/library/random.html#random.randrange
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