An error was reported when he tried to write data to the file for the first time.

当他第一次尝试把数据写入文档时，报告说有错。

《牛津词典》

As is usual in example code, error checking has been omitted, but even so, this is a quick and easy way of saving data to file.

因为在示例代码中通常省略了错误检查，即便如此，这仍是将数据保存到文件中的快速简单的方法。

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For instance, if your build doesn't reduce simple assumptions, such as removing generated binaries with stale data, an error could arise from a leftover file from a previous build.

例如，如果构建没有避免一些简单的假设，例如会去掉用陈旧的数据生成的二进制文件，那么前一次构建遗留下来的文件就会引起错误。

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