我开始学习 Perl,这只是一个基本的小 for 循环,我得到了一个奇怪的输出,并希望对此有所了解。 @numbers = {1,4,5,6,7,8,9}; for(my$i = 0; $i<=$#numbers; $i++) { print ("$numbers[$i}\n"); } 输出是 HASH(0x23a09c)。 这实际上意味着什么以及为什么我会得到这个结果?list per
#checking directory content using Perl opendir( DIR, "E:\\PERL\\" ); @x = readdir(DIR); foreach (@x) { print "$_\n"; } closedir(DIR); Below are some points to take note of;Notice the way I wrote my directory. The body of the foreach loop has the symbol $_ which ...
Using nested for loop is one of the simplest and most straightforward ways to flatten a list of lists in Python. The idea is to iterate over each sub-list in the main list, and then iterate over each element in the sub-list and append it to a new list. ...
Libraries for web development Tobie ua-parser A multi-language port of Browserscope's user agent parser. License: Apache 2/MIT/Perl, . Ghost Driver Ghost Driver is an implementation of the Remote WebDriver Wire protocol, using PhantomJS as back-end. License: BSD 2, . B3log Solo - A bl...
gorbac - provides a lightweight role-based access control (RBAC) implementation in Golang. gosession - This is quick session for net/http in GoLang. This package is perhaps the best implementation of the session mechanism, or at least it tries to become one. goth - provides a simple, cl...
Tools for building blockchains. cometbft - A distributed, Byzantine fault-tolerant, deterministic state machine replication engine. It is a fork of Tendermint Core and implements the Tendermint consensus algorithm. cosmos-sdk - A Framework for Building Public Blockchains in the Cosmos Ecosystem. gno...
foreach (@input) { if ($_ % 2) { push @output, $_; } } Of course, we can shorten and clean this up a bit by using a ``backwards if'': my @output; foreach (@input) { push @output, $_ if $_ % 2; } Or we can shorten the loop up a different way using a ``backwa...
Work In Progress:Caten - Deep Learning Compiler based on Polyhedral Compiler and Light-weight IRs, and Optimizing Pattern Matcher, written in Common LispEducational:PAIP-lisp - Lisp code for the textbook “Paradigms of Artificial Intelligence Programming”. AIMA-lisp - Common Lisp implementation of ...
The example above, has used a little knowledge on the concept ofliststhat we have acquired as of now and also has applied a little knowledge of theforloopconstruct provided by the Python programming language. Basically, the example above has 3 elements within the list and accessing the list ...
Of Thrones Friends Prison break === Iterate using a listIterator() to traverse in both directions === Prison break Friends Game Of Thrones Breaking Bad === Iterate using simple for-each loop === Breaking Bad Game Of Thrones Friends Prison break === Iterate using for loop with index ==...