查询词典 empty string

A NULL pointer and an empty string are considered different .

NULL 指针和空字符串是不同的。

In most cases, it's redundant to have two possible values for "no data;" Django convention is to use the empty string, not NULL .

在大多数情况下，用两种值表示没有数据是冗余的，所以 Django 的惯例是使用空字符串，而不是 NULL。

If this parameter is set to NULL or an empty string, the function retrieves the type and data for the key's unnamed value.

如果这个参数被设置成NULL或者空字符串，函数重新获得没有命名键值的类型或者数据。

And that's a bug; you want an empty string to raise an InvalidRomanNumeralError exception just like any other sequence of characters that don't represent a valid Roman numeral.

这就是一个 Bug ，你希望对于空字符串能够像对待其他无效的罗马数字表示一样引发 InvalidRomanNumeralError 异常。

In morpheme-based morphology, a null morpheme is a morpheme that is realized by a phonologically null affix (an empty string of phonological segments).

译文（不译，汉改高手是不懂的：在以词素为基础的字形学中，一个空白词素是由音韵学的空白词諁。

When read returns an empty string, iteration is ended and is not resumable.

当 read返回一个空字符串时，迭代被结束并且不可被恢复。

In most cases, its redundant to have two possible values for no data; Djangos convention is to use the empty string, not ''NULL'' .

而大多数情况下，空数据没必要对应两种可能的值，所以Django中习惯使用空字符串，而不是 ''NULL'' 。

Note that the joiner becomes the empty string again in this case, because the whitespace separators are kept in the revwords list by using re.split with a regular expression that includes a parenthesized group.

注意，这里再次使用了空字符串作为连接符，因为通过使用re.split并用一个包含括号分组的规则表达式作参数时，字串中的空白分隔符保留在了revwords列表中。

Press the OK to go the direction of the facial skin smooth evenly over massage milk or neutral milk, and then massage the skin about 20 minutes to go OK, then click the Yin-Tang, save bamboo, fish and waist, an empty string and wind, the sun, four white, eye-ming, Ying Xiang, Su-liao, ground storage, bearing pulp, people, zygomatic liao yfzhg05, Shimonoseki, buccal vehicles, and other points, Mei Xue repeatedly press three times to be gentle gentle way in order to have acid, bulge, comfort for the degrees, the last point by Hegu, internal customs, Zusanli repeated three times in order to have a sense of Suanzhang to the conduction is the best.

先按皮肤走行方向在面部涂匀按摩乳或中性奶液，再按皮肤走行按摩20分钟左右，然后点按印堂、攒竹、鱼腰、丝竹空、太阳、四白、睛明、迎香、素髎、地仓、承浆、人中、颧髎、下关、颊车等穴，每穴反复按压三遍，手法要轻柔和缓，以有酸、胀、舒适感为度，最后点按合谷、内关、足三里穴反复三遍，以有酸胀感并向上传导为最佳。

If the original word is an empty string and the number of games played is greater than or equal to three, then pick a random word from the dictionary, clear the list of guesses that were made, set the time to 30 seconds, and set the level to not be complete.

如果原词是空字符串和比赛的游戏数量大于或等于3，然后选择从字典中，明确了所做的猜测名单随机单词，设定时间为30秒，并设置水平是不完整的。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。