02-01-2020
Update:
I am finding it hard to build a decent app (beyond a very basic app) with Blynk. With four labeled data displays, that "cost" met 400 x 4 = 1600 credits. That means I cannot add more of value (like another country or two's datasets for the Wuhan virus and a data chart), without getting into the “feed Blynk money”¯ business model. Blynk is starting to feel "disappointing". I was advised to “just give Blynk another 1000 free credits to share”¯; but I don't have any “free credits to share”¯ because this “very tiny app”¯ leaves me with only 400 "Blynk energy credits".
As many people know, I have a very low threshold for corporate greed, and surveillance capitalism in general, and I have promoted Blynk in the public service cause; but I think I was premature in doing so due to Blink's business model.
So, after this experiment with Blynk, I'll probably stop developing public service apps with Blynk. I have already "learned" the impression that Blynk is quite a bit more “feed me money”¯ than I care for; based on my experience with this public service app today. Unfortunately, as some know, I have a very low threshold for the "Blynk-like" business model, as I have come to understand it. Maybe I simply do not understand it?
People keep saying Blynk is "free"; but Blynk is not free for any real useful app. Everything in the app has a “cost”¯ and after we use the very tiny “2000 Blynk energy credits”¯ we have to pay real money. What am I missing? Any user created app of more than a few small data parameters exceeds the "free credits" provided by Blynk. I find today, I cannot add a chart of the Wuhan coronavirus without digging into my bank account to feed Blynk's requirement for "real coin" on a public service app. I don't have the “Blynk credits”¯ to add more countries, charts, or whatever. It's seriously - pay to play.
This Blynk business model is not designed for public service, as I have experienced over the past day.
Also, on the tech side, I do not like / appreciate it when we create a Blynk app on our phone, Blynk just “deletes it”¯ without warning. I was running a test server monitoring app one phone, and the Wuhan stats app on another phone, and Blynk just deleted the server monitoring app and replaced it with the Wuhun stats app without warning me. I'm not happy about this at all. My work on that "server monitoring app" is gone from Blynk; there appears to be no mechanism to save the Blynk app we created in the phone, so after Blynk deletes it, all that work is GONE!
Anyway, I have a low threshold for the things I am seeing with Blynk, especially after building a public service app, meant only to help others who are in crisis, and learning more about Blynk today, in the process.
This User Gave Thanks to Neo For This Post:
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LEARN ABOUT DEBIAN
plack::app::cgibin
Plack::App::CGIBin(3pm) User Contributed Perl Documentation Plack::App::CGIBin(3pm)
NAME
Plack::App::CGIBin - cgi-bin replacement for Plack servers
SYNOPSIS
use Plack::App::CGIBin;
use Plack::Builder;
my $app = Plack::App::CGIBin->new(root => "/path/to/cgi-bin")->to_app;
builder {
mount "/cgi-bin" => $app;
};
# Or from the command line
plackup -MPlack::App::CGIBin -e 'Plack::App::CGIBin->new(root => "/path/to/cgi-bin")->to_app'
DESCRIPTION
Plack::App::CGIBin allows you to load CGI scripts from a directory and convert them into a PSGI application.
This would give you the extreme easiness when you have bunch of old CGI scripts that is loaded using cgi-bin of Apache web server.
HOW IT WORKS
This application checks if a given file path is a perl script and if so, uses CGI::Compile to compile a CGI script into a sub (like
ModPerl::Registry) and then run it as a persistent application using CGI::Emulate::PSGI.
If the given file is not a perl script, it executes the script just like a normal CGI script with fork & exec. This is like a normal web
server mode and no performance benefit is achieved.
The default mechanism to determine if a given file is a Perl script is as follows:
o Check if the filename ends with ".pl". If yes, it is a Perl script.
o Open the file and see if the shebang (first line of the file) contains the word "perl" (like "#!/usr/bin/perl"). If yes, it is a Perl
script.
You can customize this behavior by passing "exec_cb" callback, which takes a file path to its first argument.
For example, if your perl-based CGI script uses lots of global variables and such and are not ready to run on a persistent environment, you
can do:
my $app = Plack::App::CGIBin->new(
root => "/path/to/cgi-bin",
exec_cb => sub { 1 },
)->to_app;
to always force the execute option for any files.
AUTHOR
Tatsuhiko Miyagawa
SEE ALSO
Plack::App::File CGI::Emulate::PSGI CGI::Compile Plack::App::WrapCGI
See also Plack::App::WrapCGI if you compile one CGI script into a PSGI application without serving CGI scripts from a directory, to remove
overhead of filesystem lookups, etc.
perl v5.14.2 2011-11-02 Plack::App::CGIBin(3pm)