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How to create a MySQL hierarchical recursive query
...s, path IDs, or self-joins.
MySQL 8+
with recursive cte (id, name, parent_id) as (
select id,
name,
parent_id
from products
where parent_id = 19
union all
select p.id,
p.name,
p.parent_id
from products p
inn...
How to get the browser to navigate to URL in JavaScript [duplicate]
...imulate clicking on a link, use location.href If you want to simulate an HTTP redirect, use location.replace Note that location.replace does not keep the originating page in the session history.
– Agnel Vishal
Aug 23 '19 at 13:09
...
git push fails: RPC failed; result=22, HTTP code = 411
...
If you attempt to push a large set of changes to a Git repository with HTTP or HTTPS, you may get an error message such as error: RPC failed; result=22, HTTP code = 411. This is caused by a Git configuration default which limits certain HTTP operations to 1 megabyte.
To change this limit run wi...
Recommended way to embed PDF in HTML?
... renderer for PDF documents without any third-party plugins.
Online demo:
http://mozilla.github.com/pdf.js/web/viewer.html
GitHub:
https://github.com/mozilla/pdf.js
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How to extract the first two characters of a string in shell scripting?
...ethod, if you're using the bash shell (and you appear to be, based on your comments), is to use the sub-string variant of parameter expansion:
pax> long="USCAGol.blah.blah.blah"
pax> short="${long:0:2}" ; echo "${short}"
US
This will set short to be the first two characters of long. If long...
How to edit log message already committed in Subversion?
...tain revision in Subversion? I accidentally wrote the wrong filename in my commit message which could be confusing later.
1...
What is the difference between URI, URL and URN? [duplicate]
...it. A URL defines how the resource can be obtained. It does not have to be HTTP URL (http://), a URL can also be (ftp://) or (smb://).
A Uniform Resource Name (URN) is a Uniform Resource Identifier (URI) that uses the URN scheme, and does not imply availability of the identified resource. Both URNs...
Python Requests library redirect new url
...
Demo:
>>> import requests
>>> response = requests.get('http://httpbin.org/redirect/3')
>>> response.history
(<Response [302]>, <Response [302]>, <Response [302]>)
>>> for resp in response.history:
... print(resp.status_code, resp.url)
...
...
How do you use vim's quickfix feature?
...
There are a lot of commands for quickfix as you have said, but I tend to find I only use a small subset of them:
:copen " Open the quickfix window
:ccl " Close it
:cw " Open it if there are "errors", close it otherwise (some people prefer...
Set up DNS based URL forwarding in Amazon Route53 [closed]
...NS service (Nettica) allowed me to route requests to "aws.example.com" to "https://myaccount.signin.aws.amazon.com/console/".
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