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Heroku “psql: FATAL: remaining connection slots are reserved for non-replication superuser connectio
...ow you to pool connections at the database level using PGBouncer.
https://www.lewagon.com/blog/how-to-migrate-heroku-postgres-database-to-amazon-rds
UPDATE:
Heroku responded to my open ticket and stated that my database was improperly load balanced in their network. They said that improvements t...
Disable/turn off inherited CSS3 transitions
...owser compatible way of disabling the transition.
Here is a link: https://www.w3schools.com/cssref/css3_pr_transition.asp
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Tools for JPEG optimization? [closed]
...has tons of command line options, its free and have a nice license.
http://www.imagemagick.org
There seems to be an option called Strip that may help you:
http://www.imagemagick.org/script/command-line-options.php#strip
Apply CSS styles to an element depending on its child elements
...e hell not". A well fleshed out one by Shaun Inman is pretty good:
http://www.shauninman.com/archive/2008/05/05/css_qualified_selectors
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Base64 encoding in SQL Server 2005 T-SQL
...e is no native function, this method has worked for me in the past:
http://www.motobit.com/help/scptutl/sa306.htm
so has this method:
http://www.vbforums.com/showthread.php?t=554886
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What does value & 0xff do in Java?
...
From http://www.coderanch.com/t/236675/java-programmer-SCJP/certification/xff
The hex literal 0xFF is an equal int(255). Java represents int as 32 bits. It look like this in binary:
00000000 00000000 00000000 11111111
When you do a b...
How to sort with lambda in Python
...ined without a name, this post seems to explain it pretty nicely.
https://www.programiz.com/python-programming/anonymous-function
Lambda functions are nice for calling in-line because they only have one expression which is evaluated and returned. They syntax for a lambda is:
lambda arguments: exp...
How do I use CSS in Django?
...ATICFILES_DIRS = (
# Put strings here, like "/home/html/static" or "C:/www/django/static".
# Always use forward slashes, even on Windows.
# Don't forget to use absolute paths, not relative paths.
os.path.join(os.path.dirname(__file__),'media').replace('\\','/'),
)
This then picked ...
Can an array be top-level JSON-text?
...
yes, try it out here.
http://www.jsonlint.com/
and put in [{}]
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Getting URL hash location, and using it in jQuery
...o address the security implications noted in @CMS's answer.
// example 1: www.example.com/index.html#foo
// load correct subpage from URL hash if it exists
$(window).on('load', function () {
var hash = window.location.hash;
if (hash) {
hash = hash.replace('#',''); // strip the # at...