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Cisco pipe include and exclude

pipe (I) include , exclude etc Hi all, Can anyone point me to a reference document giving good details and examples about the use of the pipe ( | ) sy...

Chrome Developer Tools find JavaScript function

In Google chrome , Inspect element tool you can view any Javascript function definition. Click on the Sources tab. Then select the index page. Search...

Check if value exists in sql database php

How to check if value exists in one of the columns and in which one in MySQL? -1 How to check the slug that is already existed in database while perfo...

Check if database exists

IF EXISTS (SELECT name FROM master.sys. databases WHERE name = N'YourDatabaseName') Do your thing... By the way, this came directly from SQL Server St...

Char_length city

$egingroup$ SELECT city , char_length (city) FROM station ORDER BY char_length (city) DESC, city LIMIT 1 might do the trick (but test). If you're gol...

Change global variable in function javascript

In JavaScript , variables are only local to a function , if they are the function's parameter (s) or if you declare them as local explicitely by typin...

Center image in div vertically and horizontally

Many developers struggle while working with images . Handling responsiveness and alignment is particularly tough, especially centering an image in the...

Cartesian product relational algebra

Important points on CARTESIAN PRODUCT (CROSS PRODUCT ) Operation: The cardinality (number of tuples) of resulting relation from a Cross Product operat...

Cannot resolve symbol viewmodelproviders androidx

** cannot access androidx .lifecycle.has a default viewmodelprovider factory which is a subclass of your class Name, check your module classpath check...

Cannot add foreign key constraint spring boot

spring boot Cannot add foreign key constraint . Ask Question Asked 3 years, 2 months ago. ... 2017-08-21 15:59:45.765 ERROR 5564 --- [ restartedMain]...