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Django admin: how to sort by one of the custom list_display fields that has no database field
How could I sort Customers, depending on number_of_orders they have?
3 Answers
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updating table rows in postgres using subquery
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Postgres allows:
UPDATE dummy
SET customer=subquery.customer,
address=subquery.address,
partn=subquery.partn
FROM (SELECT address_id, customer, address, partn
FROM /* big hairy SQL */ ...) AS subquery
WHERE dummy.address_id=subquery.address_id;...
Is it possible to use the SELECT INTO clause with UNION [ALL]?
In SQL Server this inserts 100 records, from the Customers table into tmpFerdeen :-
8 Answers
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Gson custom seralizer for one variable (of many) in an object using TypeAdapter
I've seen plenty of simple examples of using a custom TypeAdapter. The most helpful has been Class TypeAdapter<T> . But that hasn't answered my question yet.
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How to override and extend basic Django admin templates?
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from django.contrib import admin
admin.site.index_template = 'admin/my_custom_index.html'
admin.autodiscover()
and place your template in <appname>/templates/admin/my_custom_index.html
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Making custom right-click context menus for my web-app
I've a few websites like google-docs and map-quest that have custom drop down menus when you right-click. Somehow they override the browser's behavior of drop-down menu, and I'm now sure exactly how they do it. I found a jQuery plugin that does this, but I'm still curious about a few things:
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What is the correct way to make a custom .NET Exception serializable?
More specifically, when the exception contains custom objects which may or may not themselves be serializable.
7 Answers
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How to set the font size in Emacs?
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This solution doesn't work though when you have customized some faces, e.g. to have a distinct font, slant, etc. They would be left with the old size, and you gotta set them individually.
– Hi-Angel
Jan 28 '19 at 8:22
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Remove Primary Key in MySQL
I have the following table schema which maps user_customers to permissions on a live MySQL database:
12 Answers
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Change bootstrap navbar collapse breakpoint without using LESS
... Yes, a bunch of Bootstrap classes must be overridden in the custom media query: bootply.com/120604
– Zim
Feb 6 '15 at 10:29
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