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How can I count occurrences with groupBy?
...answered Jun 5 '17 at 21:37
user_3380739user_3380739
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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
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Sending an HTTP POST request on iOS
I'm trying to send an HTTP Post with the iOS application that I'm developing but the push never reaches the server although I do get a code 200 as response (from the urlconnection). I never get a response from the server nor does the server detect my posts (the server does detect posts coming from a...
Postgresql GROUP_CONCAT equivalent?
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This is probably a good starting point (version 8.4+ only):
SELECT id_field, array_agg(value_field1), array_agg(value_field2)
FROM data_table
GROUP BY id_field
array_agg returns an array, but you can CAST that to text and edit as needed (see clarifications, below).
Prior to version 8.4, you...
What is a Question Mark “?” and Colon “:” Operator Used for? [duplicate]
...l of optimization, and if you do, you probably want to use attributes like __builtin_expect anyway.
– Brendan Long
Dec 4 '18 at 17:40
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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 can I get the domain name of my site within a Django template?
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request.META['HTTP_HOST'] gives you the domain. In a template it would be {{ request.META.HTTP_HOST }}.
– Daniel Roseman
Sep 20 '09 at 14:42
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git push fails: RPC failed; result=22, HTTP code = 411
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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...
How to use mongoimport to import csv
...ecting to: test
> use mydb
switched to db mydb
> db.things.find()
{ "_id" : ObjectId("4d32a36ed63d057130c08fca"), "Name" : "Jane Doe", "Address" : "123 Main St", "City" : "Whereverville", "State" : "CA", "ZIP" : 90210 }
{ "_id" : ObjectId("4d32a36ed63d057130c08fcb"), "Name" : "John Doe", "Addr...
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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