Flask flash

{% with messages = get_flashed_messages(with_categories=true) %}
    {% if messages %}
        {% for category, message in messages %}
            <div class="alert alert-{{ category }} alert-dismissible fade show" role="alert">
                <span>{{ message }}</span>
                <button type="button" class="close" data-dismiss="alert" aria-label="Close">
                <span aria-hidden="true">×</span>
                </button>
            </div>
        {% endfor %}
    {% endif %}
{% endwith %}

Source: pythonise.com

Flask flash

flash(u'Invalid password provided', 'error')

Source: flask.palletsprojects.com

Similar codes

4 votes150 views4 answers
Python list all columns in dataframe
Python
5 votes148 views2 answers
How to import tkinter in python
Python
5 votes150 views2 answers
How to make a url shortener in python
Python
0 vote152 views1 answer
Python list of list to list of string
Python
2 votes141 views2 answers
How to rotate the list in python
Python
1 vote142 views1 answer
Wheter tomorrow
Python
1 vote110 views1 answer
How to initialise key of a dictionary a list
Python
11 votes131 views2 answers
Python functions with input
Python
31 votes158 views4 answers
Python for loop counter
Python
1 vote159 views1 answer
Deleting all rows in pandas
Python