• Show and tell – What’s going on?

    Yesterday, the Cheltenham WordPress Meetup was a series of Show and Tell talks. Along the lines of Lightning talks, these are talks of approximately 10 minutes, where individuals share something they’ve been working on. There were 7 talks planned:

    1. Richard Bell @Rich Bell demoed Ray and Background WordPress processing, 
    2. Mark Wilkinson @wpmark demoed his Just In Time CSS,
    3. Elliott Richmond @erichmond showed us how to run Xdebug using Visual Code Studio, setting breakpoints, watching variables and changing values on the fly, 
    4. Ross Wintle @magicroundabout demoed his new CSS and PHP based spam pixel plugin to block spam bots
    5. Keith Devon @keithdevon showed us his work on CSS grid for block based themes
    6. We ran out of time before @Jonnyauk had a chance to show his latest work with template parts ( PHP version not FSE ).
    7. and somewhere in the middle of it I talked about 3 plugins I’ve written to help visualise my server side performance: oik-bwtrace sb-chart-block and slog.

    This post is the annotated version of the slides.

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    Published:

    Last updated:

    April 20, 2021
  • Jetpack photo cache issue #2752333

    Attempting to demonstrate the need for being able to clear Jetpack’s photon cache.

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    Published:

    Last updated:

    July 26, 2016
  • Site recovered – sorry for the inconvenience

    Sometime on the 12th my site started to produce a series of PHP Fatal errors saying “Allowed memory size of 41943040 bytes exhausted.”. This was a bit of a surprise. It means that my memory limit was 40M, a lot lower than the expected value of 256M. Other times the response was

    [13-Jul-2016 02:54:59 UTC] PHP Fatal error:  Unknown: 
    Cannot use output buffering in output buffering display handlers in Unknown on line 0

    Problem recovery

    To recover from this problem I used ftp to rename Jetpack to Jetpack-f. I was then able to access the site.

    Problem explanation

    • The site was migrated from one host to another.
    • The PHP version on the new host was 5.4.45.
    • The memory_limit was set to 25M.
    • For PHP 5.3, 5.5 and 5.6 the memory_limit would have been 256M; a much nicer number.
    • By the time WordPress started up the memory limit became 40M.
    • It’s WordPress that sets this limit, depending on the site. For WPMS it’s 64M. See wp_initial_constants().
    I’ve yet to track down the specific plugin/module combination that causes WP to exceed the 4OM limit.

    Other notes

    • My oik-bwtrace plugin reports the memory limit on its admin page.
    • This is 256M, since WordPress sets it higher in admin pages. Using admin_memory_limit in wp-admin/admin.php.
    • I’ve changed my [wp] shortcode to display the memory limit on the front-end.
    • For this site the memory_limit has already been set by the hosting company to a high value.
      WordPress 5.8.1. PHP: 7.3.31. Memory limit: 768M
    • I’m also experimenting with code that displays the current memory_limit in trace records produced by oik-bwtrace. They already optionally display current and peak memory usage, so adding the current memory limit is no big deal.

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    Published:

    Last updated:

    July 18, 2016
  • Jetpack Photon image stretch in responsive Artisteer theme

    I recently noticed that when Jetpack’s Photon module is activated strange things may start happening in Safari on my iPad.

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    ,

    Published:

    Last updated:

    May 14, 2015
  • DIY-oik v1.4 fixes problems with Add-To-Any and Jetpack Related Posts

    DIY-oik v1.4 fixes some problems with unexpected output from other plugins.

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    Published:

    Last updated:

    January 13, 2015

Categories

Tide times from tidetimes.co.uk

Tide Times & Heights for Northney on
Thursday, 21 October 2021

Tide times from tidetimes.org.uk

Tide Times & Heights for Northney on
21st October 2021
00:40 High Tide ( 4.63m )
05:44 Low Tide ( 0.41m )
12:59 High Tide ( 4.83m )
18:05 Low Tide ( 0.47m )