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git rebase without changing commit timestamps
...ch), I suppose you can organize your Git history with whatever commit date order you want/need, even set it to the future!.
As Olivier mentions in his question, the author date is never changed by a rebase;
From the Pro Git Book:
The author is the person who originally wrote the work,
whereas ...
How to perform OR condition in django queryset?
...t just works. As you'd expect, the | binary operator returns a QuerySet so order_by(), .distinct(), and other queryset filters can be tacked on to the end.
combined_queryset = User.objects.filter(income__gte=5000) | User.objects.filter(income__isnull=True)
ordered_queryset = combined_queryset.order...
mongodb/mongoose findMany - find all documents with IDs listed in array
... Kind of late to this discussion, but how would you ensure the order of the items returned matches the order of the array of items you provide in the array? Documents are not guaranteed to come out in any order unless you specify a sort. What if you want them sorted in the same order you...
How to tell if node.js is installed or not
I've recently installed node.js and I have no idea how to run applications. I installed node.js but couldn't find further instructions. What does one really need to do? I wanted to see if it was actually working. So I executed a script called hello.js. It went as such:
...
PDO get the last ID inserted
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That's because that's an SQL function, not PHP. You can use PDO::lastInsertId().
Like:
$stmt = $db->prepare("...");
$stmt->execute();
$id = $db->lastInsertId();
If you want to do it with SQL instead of the PDO API, you would do it like a normal select qu...
How to show changed file name only with git log? [duplicate]
...rce for tar command) you will also need to filter out commit messages.
In order to do this I use following command:
git log --name-only --oneline | grep -v '.{7} '
Grep command excludes (-v param) every line which starts with seven symbols (which is the length of my git hash for git log command) ...
Storing time-series data, relational or non?
...has to handle ~3 million measures with a 1 minute frequency? How would you order the PK for such a table? Wouldn't Device, Metric, DateTime create fragmentation and force the RDBMS to lots of page split? Instead putting DateTime first would reduce fragmentation (I'm assuming time ordered inserts) bu...
LINQ order by null column where order is ascending and nulls should be last
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Try putting both columns in the same orderby.
orderby p.LowestPrice.HasValue descending, p.LowestPrice
Otherwise each orderby is a separate operation on the collection re-ordering it each time.
This should order the ones with a value first, "then" the order...
Is embedding background image data into CSS as Base64 good or bad practice?
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In order to avoid multiple classes and only specify a sprite sheet once, you could use an attribute selector: [emoji] {background-image: url(data:image/png;base64,qwedfcsfrtgyu/=);} [emoji=happy] {background-position: -20px 0px;...
Is there a MySQL command to convert a string to lowercase?
...of keywords that are presently mixed-case. However, I want to convert them all to lowercase. Is there an easy command to do this, either using MySQL or MySQL and PHP?
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