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Then you can create ActiveRecord classes for your model: class AuthorizedUser < ActiveRecord::Base has_many :authorizations, :foreign_key => 'authorized_user' end class Authorization < ActiveRecord::Base belongs_to :authorized_user, :foreign_key => 'authorized_user' end class Sequence < ActiveRecord::Base belongs_to :last_updated_by, :class_name => "AuthorizedUser", :foreign_key => 'last_updated_by' end As you can see, you need to specify foreign keys for all associations, because you didn t name them according to the Rails conventions. At the moment this code is bare, but you can still do most things with it. However, you ll add several helper methods to the Sequence class later. At the moment, you ll instead create the main class that will be used for handling the sequences. I call it BBEngine: class BBEngine def initialize(uid, cred, method) log "inited: #{uid.inspect}, #{cred.inspect}, #{method.inspect}" unless authorized (uid, cred, method) log "-- not authorized" raise "Not authorized" end @user = AuthorizedUser.find_by_uid(uid) @method = method.to_sym end private def log str $stderr.puts str end def authorized (uid, cred, method) v1 = AuthorizedUser.find_by_uid_and_password(uid,cred) if v1 && (v = v1.authorizations.find_by_operation(method.to_s)) (!v.respond_to (:length)) || (v.length > 0) else false end end end .net pdf 417 reader Packages matching PDF417 - NuGet Gallery
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NET PDF - 417 Barcode Reader , Reading PDF - 417 barcode images in . NET , C#, VB. NET , ASP. NET applications. Now that you have a view and an activity, you can move on to step 3: overriding the onCreateOptionsMenu and setting up the menu programmatically (see Listing 5-8). word aflame upc lubbock, birt barcode extension, word code 39 barcode font download, ms word code 128, police word ean 128, word ean 13 font .net pdf 417 reader . NET Barcode Scanner | PDF417 Recognition in . NET , ASP. NET , C# ...
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Find out most popular NuGet pdf417 Packages. ... NET barcode reader and generator SDK for developers. It supports reading & writing of 1D and 2D barcodes ... Notice that you create a log method that you use in several places. Currently, you just print the log message to stderr, but later you should probably make this output go to a file instead. The initialize method takes a UID, a password, and a method name. It checks if the user can perform that method and then raises an error if not. Otherwise it just saves the information. The only thing missing here is the central invoke method. It looks like this: def invoke(arg) log "-- invoked: #{arg.inspect}" case @method when :next: Sequence.next(@user,arg) when :last_updated: Sequence.last_updated(arg) when :last_updated_by: Sequence.last_updated_by(arg) when :reset: Sequence.reset(@user,arg) when :create: Sequence.ensure_exists(@user, arg) when :current: Sequence.current(arg) when :list: Sequence.find(:all).map{|s| s.name} else nil end end At the moment, none of these invocations will work, because you haven t added the necessary helper methods to the Sequence class yet. However, before you go ahead and do that, you should provide some way to test the sequences. At the bottom of the file, add this code: if __FILE__ == $0 p BBEngine.new("admin","admin","create").invoke("seq1") ninv = BBEngine.new("admin","admin","next") p ninv.invoke("seq1") p ninv.invoke("seq1") p ninv.invoke("seq1") p BBEngine.new("olagus","admin","admin").invoke("seq1") p ninv.invoke("seq1") p BBEngine.new("admin","admin","last_updated").invoke("seq1") p BBEngine.new("admin","admin","current").invoke("seq1") p BBEngine.new("admin","admin","current").invoke("seq1") p BBEngine.new("admin","admin","current").invoke("seq1") p BBEngine.new("admin","admin","last_updated_by").invoke("seq1") end The code that compares $0 to the value of __FILE__ is a common Ruby idiom. It checks if the currently executing file is the program running, or has been required from some other program. It s common for Ruby libraries to add code such as this, which tests the implementation, if the code in question isn t used as a library. .net pdf 417 reader PDF417 Barcode Decoder . NET Class Library and Two Demo Apps ...
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Scan and read PDF - 417 barcodes from image files is one of the barcode decoding functions in . NET Barcode Reader component. To help . net developers easiy ... Listing 5-8. Setting Up the Menu Programatically @Override public boolean onCreateOptionsMenu(Menu menu) { //call the parent to attach any system level menus super.onCreateOptionsMenu(menu); this.myMenu = menu; //add a few normal menus addRegularMenuItems(menu); //add a few secondary menus add5SecondaryMenuItems(menu); //it must return true to show the menu //if it is false menu won't show return true; } The code in Listing 5-8 first calls the parent onCreateOptionsMenu to give the parent an opportunity to add any system-level menus. Note that in releases 1.0, 1.1, and 1.5 of the Android SDK, this method does not add new menu items. The code then remembers the Menu object in order to manipulate it later for demonstration purposes. After that, the code proceeds to add a few regular menu items and a few secondary menu items. You can easily add a label by adding a header with <f:facet>: <rich:panel style="width:450px"> <f:facet name="header">New York City</f:facet> New York City (officially The City of New York) is the most populous city in the United States, with its metropolitan area ranking among the largest urban areas in the world. It has been the largest city in the United States since 1790, . . . </rich:panel> Here s what that looks like: Now for step 4: adding a few regular menu items to the menu. The code for addRegularMenuItems appears in Listing 5-9. Listing 5-9. The addRegularMenuItems Function private void addRegularMenuItems(Menu menu) { int base=Menu.FIRST; // value is 1 menu.add(base,base,base,"append"); menu.add(base,base+1,base+1,"item 2"); menu.add(base,base+2,base+2,"clear"); menu.add(base,base+3,base+3,"hide secondary"); menu.add(base,base+4,base+4,"show secondary"); menu.add(base,base+5,base+5,"enable secondary"); menu.add(base,base+6,base+6,"disable secondary"); menu.add(base,base+7,base+7,"check secondary"); menu.add(base,base+8,base+8,"uncheck secondary"); } .net pdf 417 reader PDF - 417 2d Barcode Reader In VB. NET - OnBarcode
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