This is the frame body I was using:

our $frame_body = $mw->Frame(-background => $color_theme_bg, -foreground => $color_theme_fg)->pack(-side => 'top'); 

 $frame_body ->Label( -text => "@_", -font => $arial_font, -foreground => $color_theme_fg, -background => $color_theme_bg, -highlightthickness => 0, -takefocus => 0, -relief => "flat", -justify => 'center', )-> grid( -column => $mw_col_ctr, -row => $mw_row_ctr, -sticky => "nsew", ); 

Its also nice if automatically adjust incase I manually resize the window. 😀

submitted by /u/DemosaiDelacroix
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Perl Weekly Challenge 272: Defang IP Address

https://blogs.perl.org/users/laurent_r/2024/06/perl-weekly-challenge-272-defang-ip-address.html

Is there a way to replace accented characters by their plain version, something like

tr/ûšḥ/ush/?

submitted by /u/Patentsmatter
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Is it possible to display an image to the user, without loading all the trappings of a whole widget / event-loop environment like Prima, Tk, Wx, Win32::GUI, etc?

Specifically, I want something simple that I can execute in a BEGIN block to display a splash image to the user while the rest of the application is compiled and initializes, which takes about 5-10 seconds. The program in question is a perl Wx application running under MS Windows.

submitted by /u/sue_d_nymme
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This week in PSC (149) | 2024-05-30

https://blogs.perl.org/users/psc/2024/05/this-week-in-psc-149-2024-05-30.html

Vim highlights subs with a signature params as red/orange to alert you it's incorrect. Now that Perl actually supports signatures and this is no longer a syntax error I need to find a way to disable this. This is really a Vim question, but I'm sure some other Perl nerd out there has run into this before me.

Has anyone figured out how to disable this "warning" in Vim?

submitted by /u/scottchiefbaker
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Perl Weekly Challenge 271: Sort by 1 Bits

https://blogs.perl.org/users/laurent_r/2024/05/perl-weekly-challenge-271-sort-by-1-bits.html

MariaDB 10 and SQL::Translator::Producer

https://blogs.perl.org/users/usna78/2024/05/mariadb-10-and-sqltranslatorproducer.html

Perl Weekly Challenge 271: Maximum Ones

https://blogs.perl.org/users/laurent_r/2024/05/perl-weekly-challenge-271-maximum-ones.html

Perl Toolchain Summit 2024 in Lisbon

https://blogs.perl.org/users/kenichi_ishigaki/2024/05/perl-toolchain-summit-2024-in-lisbon.html

# Perl Weekly Challenge 270: Special Positions

https://blogs.perl.org/users/laurent_r/2024/05/-perl-weekly-challenge-270-special-positions.html

Hi, I recently got an offer for Senior SWE (current title at my company now) for a company that heavily utilizes Perl. I was wondering if folks from this community could offer some insight on what it's like working with Perl and also what, if any, potential long-term career implications are of becoming a Perl developer? Particularly I'm worried of pigeon-holing myself since Perl is not as heavily used in todays age and this company does not make use of modern cloud tools and deployments.

I am a Java developer (5 YOE) at a enterprise software company that is deployed in GCP. We are pretty regularly adopting new technologies so I'm gaining some valuable and relevant industry experience here but I am looking for a change and more opportunity to lead projects and mentor junior engineers.

The company seems good, great WLB, I liked the manager, and with the bonus (base is roughly the same) it would be about a ~8% TC increase plus a lot more stock (monopoly money, private RSUs).

Does anyone have experience transitioning from a Perl based company to a cloud based company with a more modern tech stack? Is this a backwards direction for me, should I continue with my Java development and instead look for opportunities that will offer more marketable skills?

Any input is appreciated, thank you for reading.

submitted by /u/Roodiestue
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I've been trying to debug an issue for 3 days now, am getting nowhere, and am about to headbutt my laptop. If anyone's done any heavy lifting with Net:DBus then, for the sake of my laptop, I'd really appreciate the help!

Problem description: I have a hash table with a bunch of keys. The values relating to those keys are of different types (as in, I've cast them to dbus types). So:

my $testhash = {}; $testhash->{"xesam:albumArtist"} = [dbus_string("Tom Waits")]; $testhash->{"xesam:album"} = dbus_string("Mule Variations"); $testhash->{"xesam:trackNumber"} = dbus_int32(1); $testhash->{"xesam:artist"} = [dbus_string("Tom Waits")]; $testhash->{"xesam:title"} = dbus_string("Big in Japan"); $testhash->{"mpris:artUrl"} = dbus_string("file://mnt/storage/Music/mp3/Tom Waits/Mule Variations/folder.jpg"); $testhash->{"mpris:length"} = dbus_int64(64182857); $testhash->{"mpris:trackid"} = dbus_object_path("/0"); $testhash->{"xesam:url"} = dbus_string("file://mnt/storage/Music/mp3/Tom Waits/Mule Variations/01 - Big in Japan.mp3"); 

dbus_method("ReturnDynamicHash", [], [["dict", "string", ["variant"]]], $IFACE); sub ReturnDynamicHash { my $self = shift; print "Object: ReturnDynamicHash called.\n"; my $return = {}; my @keys = keys(%{$testhash}); my $count = scalar(@keys); if ($count) { foreach my $key (@keys) { $return->{$key} = $testhash->{$key}; } } return $return; } 

% dbus-send ....... .ReturnDynamicHash array [ dict entry( xesam:trackNumber variant int32 1 ) dict entry( mpris:trackid variant /0 ) dict entry( xesam:albumArtist variant array [ Tom Waits ] ) dict entry( xesam:album variant Mule Variations ) dict entry( mpris:length variant int64 64182857 ) dict entry( xesam:url variant file://mnt/storage/Music/mp3/Tom Waits/Mule Variations/01 - Big in Japan.mp3 ) dict entry( mpris:artUrl variant file://mnt/storage/Music/mp3/Tom Waits/Mule Variations/folder.jpg ) dict entry( xesam:artist variant array [ Tom Waits ] ) dict entry( xesam:title variant Big in Japan ) ] 

dbus_property("StaticHashProperty", [["dict", "string", ["variant"]]], "read", $IFACE); sub StaticHashProperty { print "Object: StaticHashProperty accessed.\n"; my $return = {}; my @keys = keys(%{$testhash}); my $count = scalar(@keys); if ($count) { foreach my $key (@keys) { $return->{$key} = $testhash->{$key}; } } return $return; } 

From the dbus-send client I get

Error org.freedesktop.DBus.Error.NoReply: Remote peer disconnected 

dbus[93409]: Array or variant type requires that type array be written, but object_path was written. The overall signature expected here was 'a{sas}' and we are on byte 4 of that signature. D-Bus not built with -rdynamic so unable to print a backtrace Aborted (core dumped) 

Since the Method works I know Net::DBus can handle these sorts of return values, but for some reason, as a property, it just isn't working. I also know that other applications do implement this interface, including this Property, successfully, so I know this isn't a limitation of DBus.

I've been looking at the code in Net::DBus that handles serialization, assuming there must be some difference between how Properties and Methods are handled, but can't see anything obvious.

Anyone? Any idea? Literally anything at all? Thank you!!!!!

submitted by /u/Flashy_Boot
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How to install CRISPRCasFinder (for detection of CRISPRs and cas genes)

https://blogs.perl.org/users/glycine/2024/05/how-to-install-crisprcasfinder-for-detection-of-crisprs-and-cas-genes.html

I need to find the distance between two GPS coordinates. Geo::Calc does this effectively, but it hasn't been updated in over a decade, and, more seriously, it adds a significant startup delay just by loading the module:

root@1c8fb16bd7bb:/app# time perl -e 'use v5.38' real 0m0.005s user 0m0.001s sys 0m0.004s root@1c8fb16bd7bb:/app# time perl -e 'use v5.38; use Geo::Calc' real 0m0.679s user 0m0.631s sys 0m0.048s 

submitted by /u/tyrrminal
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The portions of B::Generate associated with PADOP construction use static variables, and thus are not thread safe.

This release imports that section of Generate.xs into sealed.xs and removes the static variable dependencies.

submitted by /u/joesuf4
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Carp::Object, an object-oriented replacement for Carp and Carp::Clan

https://blogs.perl.org/users/dami/2024/05/carpobject-an-object-oriented-replacement-for-carp-and-carpclan.html

The Perl Toolchain Summit 2024

https://blogs.perl.org/users/paul_johnson/2024/05/the-perl-toolchain-summit-2024.html

I am hopeful someone has done this before as I'm stuck... I have a 3TB disk image file and I am trying to find all the different email addresses that I've used over the past 22 years.

I can use hex editor tools to find them but it takes days to look at the data and pick out even a handful of matches.

I use Perl regularly but I normally scan text files and do non binary file actions. That's easy since I can do a line by line search. But binary seems different.

If I want to search for zeropoint@ (no domain because I've used dozens of ISPs over the years and that's why I am trying to figure this out.) inside the entire 3TB file, what's the best way to do that? I can dump the results to a file and then clean it up but the search part has me stuck

Thank you

submitted by /u/zeropointlabs
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Benchmark::DKbench Perl benchmark suite now supports custom benchmarks.

https://blogs.perl.org/users/dimitrios_kechagias/2024/05/benchmarkdkbench-perl-benchmark-suite-now-supports-custom-benchmarks.html

This week in PSC (146) | 2024-05-02

https://blogs.perl.org/users/psc/2024/05/this-week-in-psc-146-2024-05-02.html

Perl Weekly Challenge 267: Line Count

https://blogs.perl.org/users/laurent_r/2024/05/perl-weekly-challenge-267-line-count.html

Perl Toolchain Summit 2024 - Lisbon Portugal

https://blogs.perl.org/users/chad_exodist_granum/2024/05/perl-toolchain-summit-2024---lisbon-portugal.html

LPW 2024 - Call For Papers and Sponsors

https://blogs.perl.org/users/lpw/2024/05/lpw-2024---call-for-papers-and-sponsors.html

Perl Weekly Challenge 267: Product Sign

https://blogs.perl.org/users/laurent_r/2024/05/perl-weekly-challenge-267-product-sign.html

PTS 2024 - Day 4 - here comes the sun... it's all right!

https://blogs.perl.org/users/leo_lapworth/2024/04/pts-2024---day-4---here-comes-the-sun-its-all-right.html

PTS 2024 - day 2 and 3... the bad days

https://blogs.perl.org/users/leo_lapworth/2024/04/pts-2024---day-2-and-3-the-bad-days.html

Although Benchmark::DKbench is a good overall indicator for generic CPU performance for comparing different systems (especially when it comes to Perl software), the best benchmark is always your own code. Hence, the module now lets you incorporate your own custom benchmarks. You can either have them run together with the default benchmarks, or run only your own set, just taking advantage of the framework (reports, multi-threading, monotonic precision timing, configurable repeats with averages/stdev, calculation of thread scaling etc). Here's an example where I run a couple of custom benchmarks on their own with Benchmark::DKbench:

``` use Benchmark::DKbench;

A simplistic benchmark sub:

sub str_bench { for (1..1000) { my $str = join("", map { chr(97 + rand(26)) } 1..rand(15000)); $str =~ s/a/bd/g; $str =~ tr/b/c/; } }

my %stats = suiterun({ include => 'custom', # Run only my custom benchmarks iter => 5, # Iterations to get an average extra_bench => { custom_bench1 => [&str_bench], # Add one more, just inline this time: custom_bench2 => [sub {my @a=split(//, 'x'x$) for 1..5000}], } }); ``` This will produce a report in STDOUT and also return the results in a hash for a single-thread run. You can also run the benchmarks multi-treaded and then calculate & print the multi/single-thread scalability:

```

If you want to get a count of logical cores:

my $cores = system_identity(1);

my %statsmulti = suite_run({ include => 'custom', threads => $cores, iter => 5, extra_bench => { custom_bench1 => [&str_bench], custom_bench2 => [sub {my @a=split(//, 'x'x$) for 1..5000}], } });

my %scal = calc_scalability(\%stats, \%stats_multi); ```

The report prints results per iteration and also aggregates:

``` Aggregates (5 iterations): Benchmark Avg Time (sec) Min Time (sec) Max Time (sec) custom_bench1: 1.092 1.079 1.107 custom_bench2: 0.972 0.961 0.983 Overall Avg Time (sec): 2.065 2.048 2.080

Aggregates (5 iterations, 10 threads): Benchmark Avg Time (sec) Min Time (sec) Max Time (sec) custom_bench1: 1.534 1.464 1.651 custom_bench2: 1.278 1.225 1.345 Overall Avg Time (sec): 2.812 2.689 2.965 The scalability report summarizes as well: Multi thread Scalability: Benchmark Multi perf xSingle Multi scalability % custom_bench1: 7.12 71

custom_bench2: 7.61 76

DKbench summary (2 benchmarks, 5 iterations, 10 threads): Single: 2.065s Multi: 2.812s Multi/Single perf: 7.36x (7.12 - 7.61) Multi scalability: 73.6% (71% - 76%) ```

The suite normally uses a scoring system which works better than times, so you can set that up by adding reference times to each benchmark, and you can also make the benchmarks return something (checksum etc) to verify results etc, see POD for more.

submitted by /u/dkech
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From the tprc-general Slack channel, Todd Rinaldo wrote yesterday that "Talk Accept, Decline, Waitlist emails have been sent out." See tprc.us for more information about this year's Perl and Raku Conference in Las Vegas, NV.

submitted by /u/talexbatreddit
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Mo utilities for email.

Changes for 0.02 - 2024-04-26T23:02:53+02:00

• Add tests for error parameters.
• Rewrite the tests so that the functional tests are first and then the errors.