Сергей Горностаев

public class ClickListener implements ActionListener {
    public void actionPerformed(ActionEvent e) {
        e.getSource().setText("Clicked");
    }
}

if (window.jQuery) {  
    ...
}

if (typeof jQuery == 'undefined') {  
    ...
}

$.fn.bindFirst = function(name, fn) {
    this.on(name, fn);

    this.each(function() {
        var handlers = $._data(this, 'events')[name.split('.')[0]];
        var handler = handlers.pop();
        handlers.splice(0, 0, handler);
    });
};

from xlrd import open_workbook
wb = open_workbook('test.xls', formatting_info=True)
sheet = wb.sheet_by_index(0)
cell = sheet.cell(0, 0)
xf_index = cell.xf_index
xf = wb.xf_list[xf_index]
format_key = xf.format_key
format = wb.format_map[format_key]
format_str = format.format_str
print(format_str)

from bottle import response

@route('/<width:int>/<height:int>')
def index(width, height):
    ...
    image = Cubic(width=width, height=height, filename=randomname, cube_size=90)
    image.paint()
    img_bytes = open(randomname, 'rb').read()
    os.remove(randomname)
    response.set_header('Content-type', 'image/png')
    return img_bytes

response = redirect(obj.PARAM)
response.set_cookie('cookie_name', context['short_cookie'])
return response

from itertools import cycle

p_list = [[], [], []]
t_list = [123, 456, 789, 012, 345]

for l, v in zip(cycle(p_list), t_list):
    l.append(v)

image = Cubic(width=int(width), height=int(height), filename='random.png')