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Codebales holds an ever growing number of solutions to problems that we have experienced in our day to day code writing
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Andrew Fletcher
•
Regular expressions (regex) are extremely useful in extracting information from any text by searching for one or more matches of a specific search pattern.
The basic anchors - ^ and $
expression
action
^The
matches any string that starts with The
end$
matches a string that ends with end
^The end$
exact string match (starts and ends with The end)
pragmatic
matches any string that has the text pragmatic in it
The basic quantifiers — * + ? and...
Andrew Fletcher
•
Whilst updating nodejs and npm on a Centos 6 or 7 server running Apache, I...
Andrew Fletcher
•
Images
For some time, when looking for images online for your app or site I have...
Andrew Fletcher
•
Recently I had an error with a domain smtp server not recognising port 587....
Andrew Fletcher
•
Adding an image via RESTUI can be done in a snap... once you know how! I...
Andrew Fletcher
•
Building a contact list using SwiftUI has many challenges.
One challenge is having multiple lists displayed on the one screen. For example, known contacts using your app against contacts on the phone. Initially, I tried the following code
SearchBarView(text: $searchText, placeholder: "Type here")
List {
Section(header: ContactListHeader(listTitle: "rivals list")) {
ForEach(self.userData.rivals.filter{
self.searchText.isEmpty ? true :
$0.name.lowercased()
...