c # – Converter código Ruby em código .Net Core

You write a converter for Ruby abaixo, em código c #?

Class WrongNumberOfPlayersError <StandardError; The End
Class NoSuchStrategyError <StandardError; The End

def compare_game? (Game)
Return (game[0][1]    + Game[1][1]) = ~ / rs | sp | pr | rr | ss | pp / i
The End

def rps_game_winner (game)
Strategy =["r","p","s"]
  Increase WrongNumberOfPlayersError unless game.length == 2
if strategy include? (game[0][1].downcase) && strategy.include? (game[1][1].downcase)
if compare_game? (Game)
The End
Trigger NoSuchStrategyError
The End

The End

def rps_tournament_winner (game)
when play[0][1].class == string
rps_game_winner (game)
otherwise # 迭代
a1 = rps_tournament_winner (play[0])
a2 = rps_tournament_winner (play[1])
rps_tournament_winner ([a1,a2])
The End
The End

p rps_tournament_winner ([[[["Armando", "P"]. ["Dave", "S"]]. [["Richard", "R"]. ["Michael", "S"]]]. [[["Allen", "S"]. ["Omer", "P"]]. [["David E.", "R"]. ["Richard X.", "P"]]]])

p rps_game_winner ([ [ "Armando", "P" ]. [ "Dave", "S" ] ])

dnd 5e – Can creatures other than devils enforce pacts through the ruby ​​stick?

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Ruby on Rails – DataTables imprimer twice header and footer

I use the jewel jquery-datatables-rails. My problem is that the header will be printed twice, and it will stay that way when I return to this page.

DataTable doubles the header

The script I use at the end of the view to start the data table at the bottom of the view


ruby – Is there a better way to get the number of hits in a route?

I have this log file (example below) and try to determine the frequency with which a particular route is called.

Example log file:

2019-05-29 11:00:00 POST / route1 200 100000

2019-05-29 11:00:01 POST / route1 200 100000

2019-05-29 11:00:01 GET / route2 404 200000

2019-05-29 11:00:02 GET / route3 200 100000

2019-05-29 11:00:03 GET / route4 200 200000

2019-05-29 11:00:04 POST / route1 200 100000

Below is the code I wrote:

route_count = Hash.new (0)
File.open (& # 39; test.log & # 39;). Each do | line |
temp_array = line.split ("")
route = temp_array[4]
  if route_count.has_key? (route)
route_count[route] = route_count[route] + 1
route_count[route] = 1
The End
The End
puts (route_count.map {| k, v | "# {k}, # {v}"})

and there is the output:

/ route1,3

/ route2,1

/ route3,1

/ route4,1

I wanted to know if there is a better way.
Thanks for your support.

Ruby on rails pros and cons – everything else

Ruby on Rails has a few useful arguments that developers can not ignore. Once they are all combined, they shorten the development time and make the process more efficient.

This backend framework offers a number of advantages for projects:

Ruby on Rails is superior to many other frameworks because of its ecosystem. RubyGems, the jewel-hosting service of a Ruby community, provides access to thousands of jewels that may be in the form of add-ons, libraries, or software snippets. Gems are ready-made solutions to various problems that streamline the development process.

Another integral part of the Ruby on Rails framework is MVC. It means Model View Controller format. The approach divides the app work into three subsystems, each responsible for a series of actions:

  • Models process data and business logic

  • Controllers take care of the user interface and the application

  • Manage views Graphical user interface objects and presentations

Ruby on Rails MVC enables parallel development and allows programmers to accelerate the engineering process three times. Ruby on Rails provides ready-to-use baskets to separate app business logic, so a Ruby on Rails web developer can save time by using it.

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Consistency and clean code

Implementing many functions can be simplified by the fact that Ruby on Rails developers can use the ready-to-use pieces of code. In this way, the application code is clean and has high readability. With less code to read and sort, all future updates are fast and seamless. This makes the development of Ruby on Rails time and cost efficient.

DRY (Don & # 39; t Repeat Yourself) is one of the principles on which Ruby on Rails is based. If you have a repetitive task, you can reuse them indefinitely in Ruby on Rails development.

Another advantage is the scalability. An app based on RoR can be scaled to handle thousands of requests per second sent by multiple users. This means that Ruby on Rails is a great solution for apps that are actively expanding their audience.

Safety is another advantage. Ruby on Rails has some security features that protect applications from SQL injection and XSS attacks. There are also a lot of jewels that deal with other security threats.

All features mentioned above make Ruby on Rails both time and cost efficient.

Rapid Application Development (RAD) is another sphere that uses Ruby on Rails and streamlines the process of adapting to changes.

As mentioned above, Ruby code is easy to read and self-documenting. This speeds up the development process because the development team does not have to create separate documentation. New members in development teams should have no trouble understanding the concept and participating in existing projects.

This back-end framework has three standard environments: production, development, and testing. The entire development cycle is optimized and you can test a product that is developed at each stage. As a result, there are fewer bugs and bugs that you know and should fix. This is important to determine what Ruby on Rails is used for.

  • Convention on configuration

One of the key principles of Ruby on Rails development is the configuration convention. It reduces the time it takes to configure files. The Ruby on Rails framework contains a set of rules that make it easy for prospective Ruby on Rails developers to start using the framework. The code becomes readable and clear using conventions, and also allows easy navigation in a Ruby on Rails web application.

Disadvantages of Ruby on Rails development

While Ruby on Rails has many advantages, there are a few disadvantages that you need to consider before deciding what Ruby on Rails will be used with and whether it will fit or not:

Sometimes it's very difficult to find documentation with Ruby on Rails. This is because not many developers tend to document everything because the problem of using gems is particularly common.

Runtime speed is usually referred to as the main argument against Ruby on Rails. If you compare the runtime speeds of Ruby on Rails with Node.JS with GoLang, Ruby remains on Rails. On the other hand, RoR wins this fight if we take the Java framework Spring.

More details can be found here.


ruby – Best Practices for Internationalization: Composite sentences?

I'm working on a project where clients can create objects in a database. Each of these objects has a description string that describes the object. Suppose we look at an object that represents a car:

  • ON red automobile Prepared by BMW With 62000 miles
  • ON Pick up Prepared by dodge from 2010
  • ON automobile With 5 places

The "car" class has different attributes, and not all are mandatory. For example:

  • Type of car: car, sedan, pickup, SUV
  • mileage
  • brand
  • seats
  • year
  • number of previous owners

The description sentence should contain this information. For example, If we know the number of seats, this information should be part of the sentence, otherwise not. If we only did this in one language, that would not be too complicated. All we have to do is analyze the structure of the sentence and put the sentence together as follows:

ON [{color}] {Type of car} [manufactured by {brand name}] [with {miles} miles] [from {year}] [With{places}}places[With{}seatsseats}[mit{Plätzen}Plätzen}[with{seats}seats}

Parts in [….] are only part of the last sentence if the attribute is set (in {…}).

However, this project needs to support multiple languages ​​and we need a quick way to translate this. This means that we can not simply translate "made by" and translate all other elements of the sentence into all the different languages ​​and then assemble the sentence with the same structure. Different languages ​​may have a very different sentence structure. Of course, we could translate each combination of elements individually, but the overhead is quickly getting too high because the number of combinations can be very large (we have objects with 10 or more attributes).

What is the recommended way to handle such scenarios?

The project is implemented in Ruby on Rails, so ideally I'm looking for a library that supports it.

Ruby Package – Ruby Package please for cheaphostingforum | Forum Promotion

Ruby Package – NetworkForum | Forum Promotion

ruby – Create native extensions. This may take a while. ERROR: Error installing middleman. ERROR: Error creating native gemstone extension

Sudo Gem install middleman
Create native extensions. This may take a while …
ERROR: Error installing middleman:
ERROR: Error creating native gem extension.

Current directory: /var/lib/gems/2.5.0/gems/sassc-2.0.1/ext

/usr/bin/ruby2.5 -rubygems /usr/share/rubygems-integration/all/gems/rake-12.3.1/exe/rake RUBYARCHDIR = / var / lib / gems / 2.5.0 / extensions / x86_64-linux /2.5.0/sassc-2.0.1 RUBYLIBDIR = / var / lib / gems / 2.5.0 / extensions / x86_64-linux / 2.5.0 / sassc-2.0.1
/usr/bin/ruby2.5: No such file or directory – /usr/share/rubygems-integration/all/gems/rake-12.3.1/exe/rake (LoadError)

Rake failed, exit code 1

Gem files remain installed in /var/lib/gems/2.5.0/gems/sassc-2.0.1 for review.
Results stored in /var/lib/gems/2.5.0/extensions/x86_64-linux/2.5.0/sassc-2.0.1/gem_make.out