Development – Page 4 – My Brain BLOG

php ob_flush

How to show your script output as it is producing it. Normally everything is buffered and shown all at once, but sometimes you want to show the actual progress of the script.
This needs a few steps to get it working.

Convert between Local Time and UTC or Zulu time

Here is some visual basic code for you!
You receive a ZULU time and want to store it in your local time?

Dim MyZulu As New Date(year,month,day,hr,min,sec,DateTimeKind.Utc)
Dim MyLocal As DateTime = MyZulu.ToLocalTime()

Or is someone or some API asking you for the next format in return, and all you have is a DateTime with your local time in it?

*UTC + offset as (YYYY-MM-DDThh:mm:ss+hh:mm)

System.NullReferenceException: ‘Object reference not set to an instance of an object.’

A happy error while coding in visual basic, vb.net
It is not the line where you get this error, but something that happened before, that made one of your variables invalid and unusable.

Read this. (@ NullReference Exception — Visual Basic)

Takeway API error

Try to get a new order for your restaurant from the Thuisbezorgd API with vb.net: simple 🙂
Create a WebRequest
Add some Authentication
Add the API key
run the GetRequest()
and…. BOOM!
The server committed a protocol violation. Section=ResponseHeader Detail=CR must be followed by LF

So what is it?

WordPress 404 errors

How To Fix Broken Permalinks In WordPress.
WordPress is a powerful CMS. Sometimes a slight tweak can make your website inaccessible. Another common problem that most WordPress users face at some point is WordPress posts returning a 404 Error. In this article we will show you how to fix WordPress posts returning 404 error.

Usually in this scenario a user can access their WordPress admin area, their blog’s main page, but when accessing a single posts they get a 404 Not found error. First of all, don’t panic most of the time your posts are still there and completely safe. This usually happens if your .htaccess file got deleted or something went wrong with the rewrite rules. What you need to do is fix your permalinks settings. There are several sites describing this, below is the summary of what you actually need to do.

UPDATE JULY 2021: “Still haven’t found what I’m looking for”… so I wrote my own htaccess_keeper plugin. It runs on the normal homepage of the website to save the htaccess to a backup file (when changed), and restores it when a zero bytes file has been detected. It also shoots of an e-mail to the admin that it had to jump to the rescue again!
Interested in this plugin? It is for sale, just contact My Brain.

How to Fix the Collation and Character Set of a MySQL Database

Sources: mostly here and not so much here.

Something about MySQL being swedish and having a default character set of latin1 and a collation of latin1_swedish_ci which is no good if you need to save utf8 data.