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How do I catch a PHP fatal (`E_ERROR`) error?
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How do you change a repository description on GitHub?
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Watch out: you can only get to this if you have 1 or more files in your repo!
– kasimir
Sep 7 at 15:02
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How can I make a TextArea 100% width without overflowing when padding is present in CSS?
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84
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Make .gitignore ignore everything except a few files
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660
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django - why is the request.POST object immutable?
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How do I copy the contents of one stream to another?
...this will make the copy twice as fast. However it will make the code a lot more complicated so if speed is not an issue, keep it simple and use this simple loop. This question on StackOverflow has some code that illustrates the async Read/Write: stackoverflow.com/questions/1540658/… Regards, Se...
How do I (or can I) SELECT DISTINCT on multiple columns?
...UP BY a,b,c
It's a good idea to get used to the GROUP BY syntax, as it's more powerful.
For your query, I'd do it like this:
UPDATE sales
SET status='ACTIVE'
WHERE id IN
(
SELECT id
FROM sales S
INNER JOIN
(
SELECT saleprice, saledate
FROM sales
GROUP BY...
Transitions on the CSS display property
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You can concatenate two transitions or more, and visibility is what comes handy this time.
div {
border: 1px solid #eee;
}
div > ul {
visibility: hidden;
opacity: 0;
transition: visibility 0s, opacity 0.5s linear;
}
div:hover > ul {
v...
Differences between hard real-time, soft real-time, and firm real-time?
...o big deal, but you have to catch most of them to make sense of the data. More importantly, nobody is going to die if they don't work correctly.
The line is fuzzy, because even a pacemaker can be off by a small amount without killing the patient, but that's the general gist.
It's sort of like the...