Indexers Error
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C# Indexer Interface
content Expand the table of content This documentation is archived and is not being maintained. This documentation is archived and is not being maintained. Using Indexers (C# Programming Guide) Visual Studio 2015 Other Versions Visual Studio 2013
Properties And Indexers In C#
Visual Studio 2012 Visual Studio 2010 Visual Studio 2008 Visual Studio 2005 Visual Studio .NET 2003 Indexers are a syntactic convenience that enable you to create a class, struct, or interface that client applications can access just as an array. Indexers are most frequently implemented in types whose primary purpose is to encapsulate an internal collection or array. For example, suppose you have a class named TempRecord that represents the temperature in Farenheit as indexers in c# with example code project recorded at 10 different times during a 24 hour period. The class contains an array named "temps" of type float to represent the temperatures, and a DateTime that represents the date the temperatures were recorded. By implementing an indexer in this class, clients can access the temperatures in a TempRecord instance as float temp = tr[4] instead of as float temp = tr.temps[4]. The indexer notation not only simplifies the syntax for client applications; it also makes the class and its purpose more intuitive for other developers to understand.To declare an indexer on a class or struct, use the this keyword, as in this example: Copy public int this[int index] // Indexer declaration { // get and set accessors } RemarksThe type of an indexer and the type of its parameters must be at least as accessible as the indexer itself. For more information about accessibility levels, see Access Modifiers.For more information about how to use indexers with an interface, see Interface Indexers.The signature of an indexer consists of the number and types of its formal parameters. It does not include the indexer type or the names of the formal parameters. If you declare more than one indexer in the same class, they must have different signatures.An indexer value is not classified as a variable; therefore, you cannot
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What Is Indexer In C# Where It Is Used Explain
Branch: master Switch branches/tags Branches Tags master Nothing to show BTCD_0_12_0_BETA BTCD_0_11_1_BETA BTCD_0_11_0_BETA c# static indexer BTCD_0_10_0_BETA BTCD_0_9_0_BETA BTCD_0_8_0_BETA BTCD_0_7_0_ALPHA BTCD_0_6_0_ALPHA BTCD_0_5_0_ALPHA BTCD_0_4_0_ALPHA BTCD_0_3_3_ALPHA BTCD_0_3_2_ALPHA BTCD_0_3_1_ALPHA BTCD_0_3_0_ALPHA Nothing to show Find file Copy path btcd/blockchain/indexers/common.go Fetching difference between indexer and array in c# contributors… Cannot retrieve contributors at this time Raw Blame History 91 lines (73 sloc) 2.87 KB // Copyright (c) 2016 The btcsuite developers // Use of this source code is governed by https://msdn.microsoft.com/en-us/library/2549tw02.aspx an ISC // license that can be found in the LICENSE file. /* Package indexers implements optional block chain indexes. */ package indexers import ( "encoding/binary" "github.com/btcsuite/btcd/blockchain" "github.com/btcsuite/btcd/database" "github.com/btcsuite/btcutil" ) var ( // byteOrder is the preferred byte order used for serializing numeric // fields for storage in the database. byteOrder = binary.LittleEndian ) // NeedsInputser provides a generic interface for an indexer to https://github.com/btcsuite/btcd/blob/master/blockchain/indexers/common.go specify the it // requires the ability to look up inputs for a transaction. type NeedsInputser interface { NeedsInputs() bool } // Indexer provides a generic interface for an indexer that is managed by an // index manager such as the Manager type provided by this package. type Indexer interface { // Key returns the key of the index as a byte slice. Key() []byte // Name returns the human-readable name of the index. Name() string // Create is invoked when the indexer manager determines the index needs // to be created for the first time. Create(dbTx database.Tx) error // Init is invoked when the index manager is first initializing the // index. This differs from the Create method in that it is called on // every load, including the case the index was just created. Init() error // ConnectBlock is invoked when the index manager is notified that a new // block has been connected to the main chain. ConnectBlock(dbTx database.Tx, block *btcutil.Block, view *blockchain.UtxoViewpoint) error // DisconnectBlock is invoked when the index manager is notified that a // block has been disconnected from the main chain. DisconnectBlock(dbTx database.Tx, block *bt
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up How to fix one or more indexers are invalid error in Magento? up vote 1 down vote favorite 1 Sorry if my question was very basic or simple one. But i m trying to fix this issue from yesterday. i hope my problem also similar to this question. i m googling since yesterday and this is what the answer i got in every forums and search result. php bin/magento indexer:reindex but when i tried this in cmd.exe in Windows 7 this is what error i m getting. i m not familiar with windows command prompt & magento, used to work on Ubuntu terminal. So please again sorry if my question is very basic or stupid but please help me to solve this issue. please check magento dashboard error below : sorry for my bad English too php magento magento-2.0 share|improve this question asked Feb 3 at 12:48 Jonathan John 758 add a comment| 2 Answers 2 active oldest votes up vote 1 down vote accepted The PHP CLI as its called ( php for the Command Line Interface ) is called php.exe It lives in c:\wamp\bin\php\php5.x.y\php.exe ( where x and y are the version numbers of php that you have installed ) If you want to create php scrips to run from the command line then great its easy and very useful. Create yourself a batch file like this, lets call it phppath.cmd : PATH=%PATH%;c:\wamp\bin\php\php5.x.y php -v Save this into one of your folders that is already on your PATH, so you can run it from anywhere. Now from a command window, cd into your source folder and run >phppath. Then run php bin/magento indexer:reindex It should work like a dream. share|improve this answer answered Feb 3 at 12:51 yannik995 1566 thank you bro :) you saved my day ! :) thank y