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Laravel Eloquent Sum of relation's column
I've been working on a shoppingcart application and now I've come to the following issue..
4 Answers
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Format in kotlin string templates
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Is this available now?
– Ragunath Jawahar
Mar 13 '15 at 8:00
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How to add a custom Ribbon tab using VBA?
...ustom Tab. You will notice that the basic code is automatically generated. Now you are all set to edit it as per your requirements.
Let's inspect the code
label="Custom Tab": Replace "Custom Tab" with the name which you want to give your tab. For the time being let's call it "Jerome".
The belo...
Force CloudFront distribution/file update
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As of March 19, Amazon now allows Cloudfront's cache TTL to be 0 seconds, thus you (theoretically) should never see stale objects. So if you have your assets in S3, you could simply go to AWS Web Panel => S3 => Edit Properties => Metadata,...
Why were pandas merges in python faster than data.table merges in R in 2012?
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It looks like Wes may have discovered a known issue in data.table when the number of unique strings (levels) is large: 10,000.
Does Rprof() reveal most of the time spent in the call sortedmatch(levels(i[[lc]]), levels(x[[rc]])? This isn't really the join itself (t...
How can I close a Twitter Bootstrap popover with a click from anywhere (else) on the page?
... solution. But it has a bug. Click once on zzzzz and the popover shows up. Now click once on the white background. The popup disappears. Now click again on the white background. And now click again on zzzz and it doesn't work. :-|
– Houman
Sep 8 '12 at 23:28
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Swift Beta performance: sorting arrays
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tl;dr Swift 1.0 is now as fast as C by this benchmark using the default release optimisation level [-O].
Here is an in-place quicksort in Swift Beta:
func quicksort_swift(inout a:CInt[], start:Int, end:Int) {
if (end - start < 2){
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Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?
... evicted) than there is no problem with cache misses with matice2 either.
Now to go deeper in how caches works, if byte address of your variable is X, than the cache line for it would be (X >> 6) & (L - 1). Where L is total number of cache lines in your cache. L is always power of 2.
The...
Why was “Avoid Enums Where You Only Need Ints” removed from Android's performance tips?
...d your credentials in your SO profile. It took me some digging around. But now that I see that you seem to work on the VM team, I'll accept your answer as the official answer. :)
– Thierry-Dimitri Roy
Mar 11 '11 at 18:03
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The EXECUTE permission was denied on the object 'xxxxxxx', database 'zzzzzzz', schema 'dbo'
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Hi, I know it was a bit time ago, but I have a question. Might such action have some security problems? Does it opens sp to be used for everyone?
– Valentyn Vynogradskiy
Aug 4 '14 at 10:39
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