The key data values here are the key names, event types, and time entry.
此处的按键数据值包括键名、事件类型和时间条目。
This trivial example checks whether an entry already exists with the current key before writing new data, in order to avoid an exception that would occur if data with this key already existed.
这个简单示例可检查在编写新数据之前当前键中是否已经有一个项，以避免因存在具有此键的数据而发生的异常。
Each entry and element of such a data map contains the value of a JSF input component whose ID is also the key in the data map.
这类数据地图的每个条目和元素都包含J SF输入组件的值，其ID是数据地图的键。
Regular files use the base data offset of the record as the key while irectories use a namekey hash as the key and store one directory entry per record.
通常文件使用记录的基础数据误差作为值。当目录使用一个namekey hash作为其key时，每次记录会存储一个目录。
Regular files use the base data offset of the record as the key while irectories use a namekey hash as the key and store one directory entry per record.
通常文件使用记录的基础数据误差作为值。当目录使用一个namekey hash作为其key时，每次记录会存储一个目录。
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