Port 4200 is already in use. Use '--port' to specify a different port.

 if you are getting Port 4200 is already in use. Use '--port' to specify a different port the use below command.

ng serve --open --port 4201.

Thank you.

ERROR in node_modules/@types/googlemaps/reference/info-window.d.ts(73,71): error TS2304: Cannot find name 'unknown'.

 When you have issue in googlemaps in angular the solution are as below :-

run the command npm i @types/googlemaps@3.38.0

Thank you !

node_modules/rxjs/internal/types.d.ts(81,44): error TS1005: ';' expected error after installation of Angular 6

 If you I got an error node_modules/rxjs/internal/types.d.ts(81,44): error TS1005: ';' expected solution is as below 

You need to do some changes in package.json.

Go to package.json and modify "rxjs": "^6.0.0" to "rxjs": "6.0.0"Then run npm update in your project.

Thank you ,

How to get multiple value from dropdown in angular ?

 Hello Friends 

 In this artical  i will share you "How to get  multiple value from dropdown"  Hope it will help you.

The sample code are as below:-

 <div class="col-12 mt-4">

   <label>Account Name:</label>

      <select [(ngModel)]="dlAccountname" id="dlAccountname" name="dlAccountname"

                        class="form-control full-width">

             <option value="" selected="selected">Please Select Account Name</option>                      

               <option *ngFor="let item of AccountList;" [ngValue]="item" > 

                   {{ item.Canvas_Name }}

                            

                        </option>

                    </select>

                </div>

SQL server: can't save/change table design

If  you need to change settings to save the changes from design then you have follow below steps.

1. Open SQL Server Management Studio (SSMS).
2. On the Tools menu, click Options.
3. In the navigation pane of the Options window, click Designers.
4. Select or clear the Prevent saving changes that require the table re-creation check box, and then click OK.

Uncheck the prevent saving changes that require table re-creation.

!Thank you!

Back quote

 Alternatively known as acute, backtick, left quote, or an open quote, the back quote or backquote is a punctuation mark (`). It's on the same U.S. computer keyboard key as the tilde.

 

 

Where is the back quote key on the keyboard?

Below is an overview of a computer keyboard with the back quote key highlighted in blue.

 

How to create the ` symbol

Creating the ` symbol on a U.S. keyboard

To create a back quote using a U.S. keyboard, press the `, which is located directly below the Esc key. This key is also used for typing the tilde ( ~ ) character if the Shift key is held while it is pressed.

Creating the ` symbol on a smartphone or tablet

To create a back quote on a smartphone or tablet locate the single quote in the numbers (123) or symbols (sym) section, and tap and hold the ' symbol. As you continue to hold down on the ' symbol, a menu containing the back quote appears. Drag your finger up to the back quote and let go to insert the symbol.

 

Thank you.
 

 

 

Keyboard special characters

 

Keyboard special characters

Below is a list of special characters available on the typical U.S. keyboard, with links to their related pages.

Key/symbol	Explanation
~	Tilde.
`	Acute, back quote, grave, grave accent, left quote, open quote, or a push.
!	Exclamation mark, exclamation point, or bang.
@	Ampersat, arobase, asperand, at, or at symbol.
#	Octothorpe, number, pound, sharp, or hash.
$	Dollar sign or generic currency.
%	Percent.
^	Caret or circumflex.
&	Ampersand, epershand, or and symbol.
*	Asterisk, mathematical multiplication symbol, and sometimes referred to as star.
(	Open or left parenthesis.
)	Close or right parenthesis.
-	Hyphen, minus, or dash.
_	Underscore.
+	Plus.
=	Equal.
{	Open brace, squiggly brackets, or curly bracket.
}	Close brace, squiggly brackets, or curly bracket.
[	Open bracket.
]	Closed bracket.
|	Pipe, or, or vertical bar.
\	Backslash or reverse solidus.
/	Forward slash, solidus, virgule, whack, and mathematical division symbol.
:	Colon.
;	Semicolon.
"	Quote, quotation mark, or inverted commas.
'	Apostrophe or single quote.
<	Less than or angle brackets.
>	Greater than or angle brackets.
,	Comma.
.	Period, dot or full stop.
?	Question mark.