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What did MongoDB not being ACID compliant before v4 really mean?
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Excellent information, generally an excellent answer with the exception of suggesting to use MySQL.
– Doug Molineux
Oct 23 '14 at 20:52
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C pointer to array/array of pointers disambiguation
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So, for 32 bit systems: int* arr[8]; /* 8x4 bytes allocated, for each pointer / int (*arr)[8]; / 4 bytes allocated, only a pointer */
– George
May 13 '09 at 18:43
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What is the fastest or most elegant way to compute a set difference using Javascript arrays?
Let A and B be two sets. I'm looking for really fast or elegant ways to compute the set difference ( A - B or A \B , depending on your preference) between them. The two sets are stored and manipulated as Javascript arrays, as the title says.
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Difference between ObservableCollection and BindingList
...se I've used both to notify for any add/delete change in Source, but I actually do not know when to prefer one over the other.
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Handling file renames in git
...atus and
git commit --dry-run -a, but
here is a hint from
Linus:
git really doesn't even care about the whole
"rename detection" internally, and any commits you have
done with renames are totally independent of the
heuristics we then use to show the renames.
A dry-run uses the real renam...
Inner text shadow with CSS
... That's cool in chrome, I'm struggling to do an alternative fall-back for FF, that won't apply to Chrome without using JS and a namespace class. Any thoughts. P.S. Works beautifully on a leathr effect bg, looks like a branding stamp.
– Will Hancock
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Multiple modals overlay
...he page like this:
var zIndex = Math.max.apply(null, Array.prototype.map.call(document.querySelectorAll('*'), function(el) {
return +el.style.zIndex;
})) + 10;
Scrollbar fix
If you have a modal on your page that exceeds the browser height, then you can't scroll in it when closing an second moda...
MySQL Error 1093 - Can't specify target table for update in FROM clause
... criteria. This will cause MySQL to see the table as two different things, allowing destructive changes to go ahead.
UPDATE tbl AS a
INNER JOIN tbl AS b ON ....
SET a.col = b.col
Alternatively, try nesting the subquery deeper into a from clause ...
If you absolutely need the subquery, there's a ...
Are database triggers evil? [closed]
... (sometimes with finer granularity than you can get declaratively); and usually not for business or transactional purposes. YMMV.
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How do I programmatically determine if there are uncommitted changes?
...ing git diff once solves the issue (surprisingly enough, git diff does actually change the content of the sandbox, meaning here .git/index)
These timestamp issues can also occur if git is running in docker.
Original answer:
"Programmatically" means never ever rely on porcelain commands.
Always rel...