Support for PHP 7.4? in Propel 1.7.x? - propel

I upgraded to php7.4 on my dev box and am receiving a lot of deprecated errors with Propel 1.7.2. I see there is a closed thread in the support channel indicating fixes are in master, but they sure haven't made it to Propel 1.7.3 at http://propelorm.org/Propel/download.html. Does anyone know if/when the Propel folks are going to release a 1.7.x that is compatible with php74 (php 7.4)?

I wouldn't expeced to much from propel. The Project is more or less dead as of March 21.
As of their official github-page propel1 is outdated and unmaintained. See: https://github.com/propelorm/Propel
Current stable (and outdated and unmaintained) version of Propel -
Please use v2 https://github.com/propelorm/Propel2
Propel2 on the other hand is still in alpha. See: http://propelorm.org/download.html
Note: The version 2 of Propel is still under development. Please visit
http://propelorm.org/Propel/ if you want to use a stable version.
There is also Propel3. Which is not even in alpha yet. See: https://github.com/propelorm/Propel3
Propel3 is an open-source Object-Relational Mapping (ORM) for modern
PHP 7.1+. Version 3 of Propel ORM replaces Propel2, which is not
maintained anymore.
Maybe also see the discussion here: https://github.com/propelorm/Propel3/issues/92

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How to upgrade a liferay theme from 7.0 to 7.4?

I'm following the official tutorial to update a theme from 7.0 to 7.2 https://help.liferay.com/hc/es/articles/360029316831-Running-the-Upgrade-Task-for-7-0-Themes, the process is successful but I need to update to liferay 7.4 and I can't find official documentation or information on how to continue from here, I try to deploy the war on my local server with 7.4 but it says which is not compatible with this version of Liferay. Can someone guide me?
There are 5 years between Liferay 7.0 and 7.4 - and a lot has changed in the frontend world. I'd suggest you either just create a new theme, or (better) check if just using a stylebook with a stock theme is sufficient. A stylebook should be a lot easier to migrate to future versions than a full theme.
I believe that it's technically possible to upgrade a theme, but wouldn't bother doing so. As you have an existing theme, it should be relatively quick to get to where you need to be - plus you'll have the opportunity to make those little adjustments that you likely had an eye on for the past couple of years.

what is the difference between the various versions of gcc?

When I go to gcc's web site https://gcc.gnu.org/, I see 3 current versions: 5.5, 7.2, and 6.4. Unfortunately, there's no explanation anywhere I could see of what the differences between the three might be. One would expect that 7.2 would be the most recent but that doesn't appear to be the case, as they are all relatively recent (in fact 5.5 is more recent than 7.2). Does anyone know what the differences are and why one might be preferable to the others?
thanks
Major versions add new features. Minor versions fix bugs. If a bug is found in an earlier major version, a new minor version is released to fix it.

How to upgrade codeigniter from version 1.0 to current version?

How to upgrade codeigniter from version 1.0 to recent version?
I have downloaded the recent version of codeigniter and have a sample project which is written in version 1.0. When i try to run it. I am receiving various kinds of errors for using deprecated functions.
You would have to go through http://ellislab.com/codeigniter/user-guide/installation/upgrading.html and make appropriate changes.
Alternatively, you can just battle the errors as they come up until they're all gone.
It might be easier to just re-write the thing.

Where can I get a summary of the changes between zmq 2.x and 3.x?

Looking around the web doesn't really net my any useful resources. Is there a definitive change log posted anywhere?
The best I could find was: http://www.zeromq.org/docs:3-0
But the comment at the top doesn't look very encouraging
Depending on what you need you can probably find the answers here:
Upgading from ZeroMq 2.x to 3.2
ZeroMq release notes (3.0 -> 3.2.2 Stable). (I think this includes all changes from 2.2 Stable to 3.2.2 Stable)
One think to note regarding 3.1 Beta and forward; "The key change is a new wire protocol with full backwards compatibility with 0MQ/2.2.", found here (also mentioned in the release notes above).

Upgrading Sharp Architecture from 1.9.6 to 2.0.x

I have an existing ASP.NET MVC3 site that has been built with Sharp Architecture 1.9.6 and I'd like to upgrade to 2.0.4.
I've used NuGet to: Update-Package sharp-architecture. Obviously there are a number of compile issues...so I've been trying to update the references using the version history as a rough guide.
Unfortunately, it hasn't helped all that much since namespaces like SharpArch.Infrastructure seem to have disappeared somewhere between 2.0.0 --> 2.0.4 which is odd because I thought they used Semantic Versioning... but anyway...
I've been searching the interwebs for a guide on how to upgrade and I haven't come across anything helpful. Even reading through the sharp architecture blog hasn't helped me with this problem...
So does anyone know if there is a guide for how to upgrade to version 2.0.x? Surely it must be possible. Or is one expected to start a new site using Templify?

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