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MySQL - UPDATE multiple rows with different values in one query
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When is each sorting algorithm used? [closed]
...t: When you don't need a stable sort and average case performance matters more than worst case performance. A quick sort is O(N log N) on average, O(N^2) in the worst case. A good implementation uses O(log N) auxiliary storage in the form of stack space for recursion.
Merge sort: When you need ...
In Python, what is the difference between “.append()” and “+= []”?
...bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import timeit
>>> timeit.Timer('s.append("something")', 's = []').timeit()
0.20177424499999999
>>> timeit.Timer('s += ["something"]', 's = []').timeit()
0.41192320500000079
Py...
Get program execution time in the shell
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124
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What is the relationship between Looper, Handler and MessageQueue in Android?
...'t be broken nor changed. Also note that a thread can't be associated with more than one Looper. In order to guarantee this association, Looper is stored in thread-local storage, and it can't be created via its constructor directly. The only way to create it is to call prepare static method on Loope...
mysql error 1364 Field doesn't have a default values
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This does not address the root issue. See the much more extensive answer by Phyxx below.
– csvan
Feb 17 '17 at 20:09
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PostgreSQL DISTINCT ON with different ORDER BY
...ND t1.purchased_at = t2.max_purchased_at
ORDER BY t1.purchased_at DESC
A more PostgreSQL-oriented solution based on @hkf's answer:
SELECT * FROM (
SELECT DISTINCT ON (address_id) *
FROM purchases
WHERE product_id = 1
ORDER BY address_id, purchased_at DESC
) t
ORDER BY purchased_at DESC
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How to delete the contents of a folder?
... e: that reads W0703: Catching too general exception Exception. Is there a more specific Exception to catch or should I ignore it?
– John Hany
Oct 23 '17 at 5:04
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DatabaseError: current transaction is aborted, commands ignored until end of transaction block?
... new version does not. The error might still have occurred, but you could more easily have missed it. It's also possible that data type conversion or something else has changed since the old version. Regardless, the best fix is to track down the bad query so you can see what's wrong with it.
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Creating virtual directories in IIS express
...erent .Net Framework version)
EDIT
Thanks to Fevzi Apaydın to point to a more elegant solution.
You can achieve same result by adding one or more virtualDirectory tag to the Application tag:
<site name="WebSiteWithVirtualDirectory" id="20">
<application path="/" applicationPool="Clr4...