duplicates

If you don't check to see if the record exists before you insert it, you could end up with duplicates in the database.

如果在插入之前没有检查记录是否存在，可能会在数据库中得到重复项。

Among the massive pages, there are lots of near-duplicates mainly because of the fact that electronic materials are easy to copy and move.

由于电子文本具有易复制易传播的特点，网络上存在着大量近似镜像网页，对网页进行消重处理是搜索引擎的一项重要工作。

After working with this code for a while, you might discover one of the Set's core features: that it disallows duplicates.

使用上述代码一段时间后，可能会发现这个Set的核心特性之一：它不允许重复。

Similarly create more duplicates and scale down in decreasing order as shown in the image below.

继续复制多个图层，等比缩小，做成下面的这个样子。

Weighted: For a dataset that has no duplicates, bias the selection toward the front of the list.

加权：对于一个没有重复的数据集，倾向于列表的前面的选择。

If you have all photos at least stored in a My Pictures or similar folder, finding duplicates takes only a few minutes.

如果你所有的图片都存储在“我的图片”或类似的文件夹中，大概几分钟软件就能帮我们发现重复图片。

Otherwise , the nested query must be processed for each result of the outer query to ensure elimination of duplicates .

否则，为确保消除重复值，必须为外部查询的每个结果都处理嵌套查询。

The result, the company claims, "duplicates the electrical nerve discharge of a wounded bait fish, " prompting other fish to bite it.

该公司声称，这种鱼饵“复制了受伤饵鱼释放的电神经”，从而吸引鱼儿来吞饵。

Then, within each pair of duplicates, one contact is selected as the duplicate and the other contact is retained in the address book.

然后，每一对重复联系人中，有一个联系人会被选为重复的联系人，另一个保留。

Of course, we would advise you to also implement server-side checks to be sure that duplicates don't get through.

当然，我们也会建议你在服务器端进行验证，以确保副本不会被提交。

The weakness of using the name lies in the lack of an authority to appeal to in the case of duplicates.

使用名称的弱点是在同名的情况下没有可以求助的权威。

Once the scan has finished, a list appears at the bottom of the screen listing photos with potential duplicates.

一旦扫描完成，软件界面的下方列表中将会显示出用可能重复的图片。

To speed up the import process, clear the Check for Duplicates check box if you know that you hadn't imported it yet.

为了加速导入过程，如果您还未导入，清除CheckforDuplicates复选框。

This makes sense because distribution statistics are important in the case of many duplicates or uneven distributed data.

这是有意义的，因为仅在存在很多重复值或者数据分布不均匀的情况下，分布统计信息才重要。

A unique constraint guarantees that there are no duplicates in a specific column and allows you to define a primary key.

唯一的条件约束保证在特定资料行内没有重复，并可让您定义主要索引键。

The company daily collects listings from corporate and job-posting websites, removing duplicates.

该公司每天都对公司网站和招聘网站上发布的就业岗位进行汇总，并删除其中重复的部分。

Palpatine would grow clone duplicates of his bodies to act as receptacles for his evil life force should his body die.

帕尔帕廷生产了自己的克隆体，一旦他的本体死亡，就以克隆体为容器，接纳他邪恶的生命。

Duplicate-Elimination: With this attribute the client can determine whether it wants the server to eliminate duplicates or not.

Duplicate-Elimination：根据这一属性，客户端可以决定服务器是否需要进行去除重复消息的处理。

If duplicates are not allowed then the tree is searched every time an item is added to see whether it exists already.

如果复制操作不被允许，那末这棵树将会在每次被搜索时都会添加子元素以便判断子元素是否存在。

At this point, setting the text box control's Hide Duplicates property is useful.

此时设置文本框控件的“隐藏重复控件”属性将很有用。