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What's the difference between utf8_general_ci and utf8_unicode_ci?
... equality comparison. This leads to cases where "か" == "が" or "ǽ" == "æ". For sorting this makes sense but could be surprising when selecting via equalities or dealing with unique indices - bugs.mysql.com/bug.php?id=16526
– Mat Schaffer
Mar 13 '15 at 15:2...
Is there a good reason I see VARCHAR(255) used so often (as opposed to another length)?
In multiple courses, books, and jobs, I have seen text fields defined as VARCHAR(255) as kind of the default for "shortish" text. Is there any good reason that a length of 255 is chosen so often, other than being a nice round number ? Is it a holdout from some time in the past when there was a go...
receiving error: 'Error: SSL Error: SELF_SIGNED_CERT_IN_CHAIN' while using npm
...edited Jul 11 at 21:53
Jean-François Fabre♦
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answered Mar 9 '12 at 8:36
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Migration: Cannot add foreign key constraint
...gine is MyIsam wich not support foreign keys !
– François Breton
Oct 9 '15 at 18:16
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Is it possible to simulate key press events programmatically?
... for me with Chrome Embedded, as I need.
– Paulo França Lacerda
Aug 18 '19 at 23:12
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How do I remove repeated elements from ArrayList?
...nd 5? Or maybe remove 1 and 3? Thanks.
– Matt Briançon
May 1 '11 at 2:20
16
@Matt: yes, it doe...
Access-Control-Allow-Origin Multiple Origin Domains?
...low-Origin: " . $http_origin); to make it work
– François Romain
Mar 13 '15 at 22:47
2
This code...
How do I use pagination with Django class based generic ListViews?
..._data()
df = pd.DataFrame(list(self.model.objects.all().values()))
ipc = df.groupby('ip')['ip'].count().sort_values(ascending=False)
urlc = df.groupby('url')['url'].count().sort_values(ascending=False).to_dict()
ipc = tuple(ipc.to_dict().items())
urlc = tuple(urlc.items())
...
Can TCP and UDP sockets use the same port?
...ing connections on the original socket whilst simultaneously servicing multiple clients each of which will be triggering receive events on their own sockets.
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How is OAuth 2 different from OAuth 1?
...h for "beyond the scope of this specification" ;)
– Håvard Geithus
Jul 4 '12 at 17:01
48
The aut...