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How can I print the contents of a hash in Perl?

...r friend. use Data::Dumper; my %hash = ('abc' => 123, 'def' => [4,5,6]); print Dumper(\%hash); will output $VAR1 = { 'def' => [ 4, 5, 6 ], 'abc' => 123 }; ...
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Express-js can't GET my static files, why?

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Why is parenthesis in print voluntary in Python 2.7?

...nswered May 31 '11 at 4:25 user166390user166390 3 ...
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How to write inline if statement for print?

...| edited Jan 12 '15 at 9:26 answered Aug 9 '12 at 9:47 Jan ...
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Why would you use an ivar?

...rd to remember. – Nick Lockwood Feb 6 '12 at 10:52 1 ...
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putting current class as return type annotation [duplicate]

...rm. This is called Postponed Evaluation of Annotations, introduced in PEP 563. Also note: Deprecation policy Starting with Python 3.7, a __future__ import is required to use the described functionality. No warnings are raised. In Python 3.8 a PendingDeprecationWarning is raised by ...
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What is the syntax rule for having trailing commas in tuple definitions?

...anDuncan 74.8k1010 gold badges100100 silver badges146146 bronze badges 4 ...
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Catch an exception thrown by an async void method

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Naming convention - underscore in C++ and C# variables

... 86 It is best practice to NOT use UNDERSCORES before any variable name or parameter name in C++ Na...
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How do I execute inserts and updates in an Alembic upgrade script?

...ormally would in your application. """create teams table Revision ID: 169ad57156f0 Revises: 29b4c2bfce6d Create Date: 2014-06-25 09:00:06.784170 """ revision = '169ad57156f0' down_revision = '29b4c2bfce6d' from alembic import op import sqlalchemy as sa from sqlalchemy import orm from sqlalchem...