...中的PDF417层叠式条码己经成为国际通用的二维条码而且被定为我国二维条码的标准,它被称为便携式数据文件(Portable Data File),是一种多层、可变长、具有高容量和错误纠j下能力的二维条码。
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PDF Portable Data File 便携式数据文件
There is no completely standardized way to do this; the most portable solution is to open a temporary file, write data to it, and hand it to the lexer. Here's a sample bit of code to do this.
对此没有完全标准化的方法;最轻便的方法是打开一个临时文件,将数据写入到这个临时文件,然后将它交给lexer。
And Amplifeeder can also generate a nice, data-portable XML file for users to backup all their social stream's data; XML files can also be used to restore data.
Amplifeeder还可以为用户生成一个可携带数据的XML文件,以备份社会化数据流。XML文件还能用来恢复数据。
Usually, we save data in databases. However, if we want to make the data more portable, we can store the data in an XML file.
通常,我们把数据保存在数据库里。然而,如果想让数据更易于传送,可以把数据存在XML文件里。
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