Best Way to Code

 this.carriers = this.carriers.filter((el, i, a) => i === a.indexOf(el))

             <form (submit)="showReport()">
                 <div class="form-group">
                     <label>Filter </label>
                     <input type="text" name="filter" class="form-control" [(ngModel)]="filter.keyword" />
                 </div>
                 <div class="text-right">
                     <button type="submit" name="search" class="btn btn-primary">Search </button>
                 </div>
             </form>

• Format: {{currency:currencyCode:symbolDisplay:digitInfo}}
• CurrencyCode Info: https://en.wikipedia.org/wiki/ISO_4217
• SymbolDisplay: is a boolean indicating whether to use the currency symbol or code.
      true: use symbol (e.g. $).
      false(default): use code (e.g. USD).
• DigitInfo Format: {minIntegerDigits}.{minFractionDigits}-{maxFractionDigits}
  •    1 : minIntegerDigits
  •    2 : minFractionDigits
  •    2 : maxFractionDigits

Use an extension method to convert from string to enum.

 public static T ToEnum(this string enumString)
 {
    return (T) Enum.Parse(typeof (T), enumString);
 }

//Usage:

 Color colorEnum = "Red".ToEnum<Color>();

  this.customerid = Number(text);

Encoding

  byte[] textAsBytes = System.Text.Encoding.UTF8.GetBytes(text);
  var encodedText = Convert.ToBase64String(plainTextBytes);

Decoding

 var textAsBytes = Convert.FromBase64String(text);
 var decodedText = System.Text.Encoding.UTF8.GetString(textAsBytes);

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let newObject = Object.assign({}, currentObject);

{{email.responseDate | date:'MM-dd-yyyy hh:mm a'}}

 Output: 07-09-2017 05:00 PM

var arr1 = [1, 2, 3, 4, 5];
var arr2 = [2, 4];

var arr = arr1.filter(x => { return arr2.indexOf(x) === -1; });

• Fragmentation is between 5-30% – it is suggested to perform index reorganization
• Fragmentation is higher than 30% – it is suggested to perform index rebuild

SELECT dbschemas.[name] as 'Schema', 
dbtables.[name] as 'Table', 
dbindexes.[name] as 'Index',
indexstats.alloc_unit_type_desc,
indexstats.avg_fragmentation_in_percent,
indexstats.page_count
FROM sys.dm_db_index_physical_stats (DB_ID(), NULL, NULL, NULL, NULL) AS indexstats
INNER JOIN sys.tables dbtables on dbtables.[object_id] = indexstats.[object_id]
INNER JOIN sys.schemas dbschemas on dbtables.[schema_id] = dbschemas.[schema_id]
INNER JOIN sys.indexes AS dbindexes ON dbindexes.[object_id] = indexstats.[object_id]
AND indexstats.index_id = dbindexes.index_id
WHERE indexstats.database_id = DB_ID()
ORDER BY indexstats.avg_fragmentation_in_percent desc

Read more on https://docs.microsoft.com/en-us/sql/relational-databases/system-dynamic-management-views/sys-dm-db-index-physical-stats-transact-sql

var ids = this.products.map((p) => p.id);
var products= this.selectedProducts.map((p) => { p.id, p.name });