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doway组件库
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No description provided.
A React component to sort items in lists or grids
Simple JS queue with auto run for node and browsers
React Native in-app purchases and subscriptions made easy. Supports iOS and Android.
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一个为ai打造的vue组件库
# COM # COM is an object-oriented wrapper around WIN32OLE. COM makes it easy to add behavior to WIN32OLE objects, making them easier to work with from Ruby. ## Usage ## Using COM is rather straightforward. There’s basically four concepts to keep track of: 1. COM objects 2. Instantiable COM objects 3. COM events 4. COM errors Let’s look at each concept separately, using the following example as a base. module Word end class Word::Application < COM::Instantiable def without_interaction with_properties('displayalerts' => Word::WdAlertsNone){ yield } end def documents Word::Documents.new(com.documents) end def quit(saving = Word::WdDoNotSaveChanges, *args) com.quit saving, *args end end ### COM Objects ### A COM::Object is a wrapper around a COM object. It provides error specialization, which is discussed later and a few utility methods. You typically use it to wrap COM objects that are returned by COM methods. If we take the example given in the introduction, Word::Documents is a good candidate: class Word::Documents < COM::Object DefaultOpenOptions = { 'confirmconversions' => false, 'readonly' => true, 'addtorecentfiles' => false, 'visible' => false }.freeze def open(path, options = {}) options = DefaultOpenOptions.merge(options) options['filename'] = Pathname(path).to_com Word::Document.new(com.open(options)) end end Here we override the #open method to be a bit easier to use, providing sane defaults for COM interaction. Worth noting is the use of the #com method to access the actual COM object to invoke the #open method on it. Also note that Word::Document is also a COM::Object. COM::Object provides a convenience method called #with_properties, which is used in the #without_interaction method above. It lets you set properties on the COM::Object during the duration of a block, restoring them after it exits (successfully or with an error). ### Instantiable COM Objects ### Instantiable COM objects are COM objects that we can connect to and that can be created. The Word::Application object can, for example, be created. Instantiable COM objects should inherit from COM::Instantiable. Instantiable COM objects can be told what program ID to use, whether or not to allow connecting to an already running object, and to load its associated constants upon creation. The program ID is used to determine what instantiable COM object to connect to. By default the name of the COM::Instantiable class’ name is used, taking the last two double-colon-separated components and joining them with a dot. For Word::Application, the program ID is “Word.Application”. The program ID can be set by using the .program_id method: class IDontCare::ForConventions < COM::Instantiable program_id 'Word.Application' end The program ID can be accessed with the same method: Word::Application.program_id # ⇒ 'Word.Application' Connecting to an already running COM object is not done by default, but is sometimes desirable: the COM object might take a long time to create, or some common state needs to be accessed. If the default for a certain instantiable COM object should be to connect, this can be done using the .connect method: class Word::Application < COM::Instantiable connect end If no running COM object is available, then a new COM object will be created in its stead. Whether or not a class uses the connection method can be queried with the .connect? method: Word::Application.connect? # ⇒ true Whether or not to load constants associated with an instantiable COM object is set with the .constants method: class Word::Application < COM::Instantiable constants true end and can similarly be checked: Word::Application.constants? # ⇒ true Constants are loaded by default. When an instance of the instantiable COM object is created, a check is run to see if constants should be loaded and whether or not they already have been loaded. If they should be loaded and they haven’t already been loaded, they’re, you guessed it, loaded. The constants are added to the module containing the COM::Instantiable. Thus, for Word::Application, the Word module will contain all the constants. Whether or not the constants have already been loaded can be checked with .constants_loaded?: Word::Application.constants_loaded # ⇒ false That concludes the class-level methods. Let’s begin with the #connected? method among the instance-level methods. This method queries whether or not this instance connected to an already running COM object: Word::Application.new.connected? # ⇒ false This can be very important in determining how shutdown of a COM object should be done. If you connected to an already COM object it might be foolish to shut it down if someone else is using it. The #initialize method takes a couple of options: * connect: whether or not to connect to a running instance * constants: whether or not to load constants These options will, when given, override the class-level defaults. ### Events ### COM events are easily dealt with: class Word::Application < COM::Instantiable def initialize(options = {}) super @events = COM::Events.new(com, 'ApplicationEvents', 'OnQuit') end def quit(saving = Word::WdDoNotSaveChanges, *args) @events.observe('OnQuit', proc{ com.quit saving, *args }) do yield if block_given? end end end To tell you the truth this API sucks and will most likely be rewritten. The reason that it is the way it is is that WIN32OLE, which COM wraps, sucks. It’s event API is horrid and the implementation is buggy. It will keep every registered event block in memory for ever, freeing neither the blocks nor the COM objects that yield the events. ### Errors ### All errors generated by COM methods descend from COM::Error, except for those cases where a Ruby error already exists. The following HRESULT error codes are turned into Ruby errors: HRESULT Error Code | Error Class -------------------|------------ 0x80004001 | NotImplementedError 0x80020005 | TypeError 0x80020006 | NoMethodError 0x8002000e | ArgumentError 0x800401e4 | ArgumentError There are also a couple of other HRESULT error codes that are turned into more specific errors than COM::Error: HRESULT Error Code | Error Class -------------------|------------ 0x80020003 | MemberNotFoundError 0x800401e3 | OperationUnavailableError Finally, when a method results in any other error, a COM::MethodInvocationError will be raised, which can be queried for the specifics, specifically #message, #method, #server, #code, #hresult_code, and #hresult_message. ### Pathname ### The Pathname object receives an additional method, #to_com. This method is useful for when you want to pass a Pathname object to a COM method. Simply call #to_com to turn it into a String of the right encoding for COM: Word::Application.new.documents.open(Pathname('a.docx').to_com) # ⇒ Word::Document ## Installation ## Install COM with % gem install com ## License ## You may use, copy and redistribute this library under the same [terms][1] as Ruby itself. [1]: http://www.ruby-lang.org/en/LICENSE.txt ## Contributors ## * Nikolai Weibull
Asianodds Disclaimer: This gem is not officially developed by Asianodds and does not belong in any way to the Asianodds service, nor is it supported by their development team and all rights to accept or deny bets made with this gem remain with Asianodds. This gem is a wrapper for the Asianodds Web API. In order to use this gem you need to apply for a Web API account with Asianodds (api@asianodds88.com). Please keep in mind that your regular Asianodds user (for the Web Interface) does not work for your API account and vice versa. The purpose of the gem is to preconfigure all API calls to make your life as easy as just calling one method. You won"t need to MD5 hash your password (as Asianodds requests) and the gem assumes smart preconfigs for your calls, so they will work even without passing in required parameters. Still, it has the same flexibility as the original API without limitations. With just three lines of code you will be able to start placing real-time bets with multiple bookmakers and automate your trading strategies. For more information on the usage of the gem, please visit the github page
= dm-is-published This plugin makes it very easy to add different states to your models, like 'draft' vs 'live'. By default it also adds validations of the field value. Originally inspired by the Rails plugin +acts_as_publishable+ by <b>fr.ivolo.us</b>. == Installation # Add GitHub to your RubyGems sources $ gem sources -a http://gems.github.com $ (sudo)? gem install kematzy-dm-is-published <b>NB! Depends upon the whole DataMapper suite being installed, and has ONLY been tested with DM 0.10.0 (next branch).</b> == Getting Started First of all, for a better understanding of this gem, make sure you study the '<tt>dm-is-published/spec/integration/published_spec.rb</tt>' file. ---- Require +dm-is-published+ in your app. require 'dm-core' # must be required first require 'dm-is-published' Lets say we have an Article class, and each Article can have a current state, ie: whether it's Live, Draft or an Obituary awaiting the death of someone famous (real or rumored) class Article include DataMapper::Resource property :id, Serial property :title, String ...<snip> is :published end Once you have your Article model we can create our Articles just as normal Article.create(:title => 'Example 1') The instance of <tt>Article.get(1)</tt> now has the following things for free: * a <tt>:publish_status</tt> attribute with the value <tt>'live'</tt>. Default choices are <tt>[ :live, :draft, :hidden ]</tt>. * <tt>:is_live?, :is_draft? or :is_hidden?</tt> methods that returns true/false based upon the state. * <tt>:save_as_live</tt>, <tt>:save_as_draft</tt> or <tt>:save_as_hidden</tt> converts the instance to the state and saves it. * <tt>:publishable?</tt> method that returns true for models where <tt>is :published </tt> has been declared, but <b>false</b> for those where it has not been declared. The Article class also gets a bit of new functionality: Article.all(:draft) => finds all Articles with :publish_status = :draft Article.all(:draft, :author => @author_joe ) => finds all Articles with :publish_status = :draft and author == Joe Todo Need to write more documentation here.. == Usage Scenarios In a Blog/Publishing scenario you could use it like this: class Article ...<snip>... is :published :live, :draft, :hidden end Whereas in another scenario - like in a MenuItem model for a Restaurant - you could use it like this: class MenuItem ...<snip>... is :published :on, :off # the item is either on the menu or not end == RTFM As I said above, for a better understanding of this gem/plugin, make sure you study the '<tt>dm-is-published/spec/integration/published_spec.rb</tt>' file. == Errors / Bugs If something is not behaving intuitively, it is a bug, and should be reported. Report it here: http://github.com/kematzy/dm-is-published/issues == Credits Copyright (c) 2009-07-11 [kematzy gmail com] Loosely based on the ActsAsPublishable plugin by [http://fr.ivolo.us/posts/acts-as-publishable] == Licence Released under the MIT license.