Yunkou

/* 检测对象类型
 * @param: obj {JavaScript Object}
 * @param: typeStr {String} 以大写开头的 JS 类型名
 * @return: {Boolean}
 */

function isType(obj, typeStr) {
  return Object.prototype.toString.call(obj).slice(8, -1) === typeStr;	
}

Yunkou

print('Converting')
try:
    print(int('x'))
except:
    print('Converting failed!')
else:
    print('Converting successful!')
finally:
    print('done')

Yunkou

# The bad way
f = open('pimpin-aint-easy.txt')
text = f.read()
for line in text.split('\n'):
    print(line)
f.close()

# The good way
with open('pimpin-aint-easy.txt') as f:
    for line in f:

Yunkou

needle = 'd'
haystack = ['a', 'b', 'c']

# The bad way
found = False
for letter in haystack:
    if needle == letter:
        print('Found!')
        found = True
        break

Yunkou

ages = {
    'Mary': 31,
    'Jonathan': 28
}

# The bad way
if 'Dick' in ages:
    age = ages['Dick']
else:
    age = 'Unknown'

Yunkou

# The bad way
x = 10
y = -10
print('Before: x = %d, y = %d' % (x, y))
tmp = y
y = x
x = tmp
print('After: x = %d, y = %d' % (x, y))

Yunkou

x_list = [1, 2, 3]
y_list = [2, 4, 6]

# The bad way
for i in range(len(x_list)):
    x = x_list[i]
    y = y_list[i]
    print(x, y)

# The good way

Yunkou

cities = ['Marseille', 'Amsterdam', 'New York', 'London']

# The bad way
i = 0
for city in cities:
    print(i, city)
    i += 1


# The good way

Yunkou

function smoothScroll(el, to, duration) {
    if (duration < 0) {
        return;
    }
    var difference = to - $(window).scrollTop();
    var perTick = difference / duration * 10;
    this.scrollToTimerCache = setTimeout(function() {
        if (!isNaN(parseInt(perTick, 10))) {
            window.scrollTo(0, $(window).scrollTop() + perTick);
            smoothScroll(el, to, duration - 10);

Yunkou

function getEntry(globPath) {
    var files = glob.sync(globPath);
    var entries = {},
        entry, dirname, basename, pathname, extname;

    for (var i = 0; i < files.length; i++) {
        entry = files[i];
        dirname = path.dirname(entry);
        extname = path.extname(entry);
        basename = path.basename(entry, extname);