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Cisco ASA multiple context port-channel

Hello, ASA 8.4 supports etherchannel configuration. I'm wondering you can use the etherchannel as a shared interface in multiple context mode. As I do...

Chrome Developer Tools API

By Kayce Basques Technical Writer, Chrome DevTools & Lighthouse Use the Console API to write messages to the Console from your JavaScript. See Get Sta...

Check if value exists in json object javascript

You can easily check if a JSON object includes a value by turning it into a string and checking the string. console.log ( JSON .stringify (JSONObject)...

Check if database already exists php

Check the return value of mysql_select_db - this function will return true when the database exists and can be selected - i.e., the database might exi...

Char* in c

NULL

Change form background color on button click in c#

I have a simple problem with a code from a C # book. The code is suppose to change background color every time I click the button . The problem is it...

Center image in cell

To quickly center an image in an excel cell , you can create an excel VBA macro to achieve the result. Just do the following steps: #1 import one pict...

Carry over url parameters meaning

Simply put a URL parameter , according to Google, is a way to pass information about a click through a URL . Basically, that's what a URL parameter is...

Cannot resolve symbol java

A " Cannot find symbol " error is about the identifiers. When your code is compiled, the compiler needs to work out what each and every identifier in...

Cannot add foreign key constraint laravel

Migration Problem: Cannot add foreign key constraint in laravel . 1. Add laravel migrations with foreign keys . 0. Migration: Cannot add foreign key c...