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Updating MySQL primary key
..., user_1, type, max(timestamp), count(*) n from user_interactions u
group by user_2, user_1, type
having n > 1;
delete u from user_interactions u, fixit
where fixit.user_2 = u.user_2
and fixit.user_1 = u.user_1
and fixit.type = u.type
and fixit.timestamp != u.timestamp;
alter table u...
Why does Boolean.ToString output “True” and not “true”
...lse" as the valid set of
Boolean values. If the String object
returned by the ToString() method
is to be written to an XML file, its
String.ToLower method should be
called first to convert it to
lowercase.
Here comes the fun fact #1: it doesn't return TrueString or FalseString at all. ...
How can I convert a DOM element to a jQuery element?
...
The reverse can be done by: johnjianfang.blogspot.com/2009/04/…
– Ryan Sampson
Apr 1 '10 at 21:19
...
android image button
...tton; background is the shape of the original button, which is a rectangle by default. If you want to use only the image, you can omit it, or you can use other colors/shapes around the icon.
– ocramot
May 25 '17 at 15:47
...
Are soft deletes a good idea? [duplicate]
...e with a natural primary key (e.g. you "delete" someone from a table keyed by Social Security Number - what do you do when you need to add him back? Please don't say "include IsDeleted in a compound primary key".).
In a design review, I would expect the developer to demonstrate an awareness of the...
NameError: name 'reduce' is not defined in Python
...ut how most cases can be written in a more readable fashion. For me, it's by writing sum(item['key'] for item in list_of_dicts).
– connorbode
Mar 4 '17 at 22:15
...
Declare variable in table valued function
...e function to generate it. This would allow you to use the ITVF described by @Dai above, with all the benefits thereof, while still inserting a dynamically generated value into your function. I just wrote a function with the help of the above solution (thank you @MikaelEriksson!) which passes on on...
How do I find out which settings.xml file maven is using
...> ) and everything just started working. It seems to suggest that maven by default is using a "wrong" settings.xml
1 Ans...
Change limit for “Mysql Row size too large”
...ould still be over 8K (limit for
InnoDB) because it stores the first 768 bytes for each field inline in
the page.
The simplest way to fix this is to use the Barracuda file format
with InnoDB. This basically gets rid of the problem altogether by
only storing the 20 byte pointer to the ...
How do I disable the security certificate check in Python requests
...nsures the urllib3.exceptions.InsecureRequestWarning is the exact one used by requests.
– AnnieFromTaiwan
Feb 11 at 3:09
...