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postgresql: INSERT INTO … (SELECT * …)
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As Henrik wrote you can use dblink to connect remote database and fetch result. For example:
psql dbtest
CREATE TABLE tblB (id serial, time integer);
INSERT INTO tblB (time) VALUES (5000), (2000);
psql postgres
CREATE TABLE tblA (id serial, time intege...
Create dynamic URLs in Flask with url_for()
Half of my Flask routes requires a variable say, /<variable>/add or /<variable>/remove . How do I create links to those locations?
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C++ unordered_map using a custom class type as the key
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To be able to use std::unordered_map (or one of the other unordered associative containers) with a user-defined key-type, you need to define two things:
A hash function; this must be a class that overrides operator() and calcu...
Access-Control-Allow-Origin wildcard subdomains, ports and protocols
I'm trying to enable CORS for all subdomains, ports and protocol.
11 Answers
11
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Squash my last X commits together using Git
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Use git rebase -i <after-this-commit> and replace "pick" on the second and subsequent commits with "squash" or "fixup", as described in the manual.
In this example, <after-this-commit> is either the SHA1 hash or the relati...
Python TypeError: not enough arguments for format string
Here's the output. These are utf-8 strings I believe... some of these can be NoneType but it fails immediately, before ones like that...
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How to log out user from web site using BASIC authentication?
Is it possible to log out user from a web site if he is using basic authentication?
22 Answers
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Sorting data based on second column of a file
I have a file of two columns and n number of rows.
4 Answers
4
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how to customize `show processlist` in mysql?
I want to order by Time,but seems no way to do that ?
6 Answers
6
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Convert JSON String to JSON Object c#
I have this String stored in my database:
8 Answers
8
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