voidsetPrecision(int columnIndex, int precision) 将指定列的小数位数设置为给定的int。 voidsetScale(int columnIndex, int scale) 将指定列的小数点右边的位数设置为给定的int。 voidsetSchemaName(int columnIndex,StringschemaName) 将指定列的表架构的名称(如果有)设置为给定的String。
import java.text.NumberFormat; import java.util.Locale; public class I18NTester { public static void main(String[] args) { Locale enLocale = new Locale("en", "US"); NumberFormat numberFormat = NumberFormat.getInstance(enLocale); numberFormat.setMinimumIntegerDigits(2); numberFormat.setMaximumIntege...
public void setPrecision(int columnIndex, int precision) throwsSQLException 将指定列中存储的值中的小数位总数设置为给定数字。 Specified by: setPrecision,界面RowSetMetaData 参数 columnIndex- 第一列是1,第二列是2,依此类推;必须介于1和列数之间 ...
precision Int32 the total number of decimal digits Attributes RegisterAttribute Exceptions SQLException if a problem occurs accessing the database. Remarks Sets the designated column's number of decimal digits to the givenint. Java documentation forjavax.sql.RowSetMetaData.setPrecision(int, int). ...
That's what the java.text.NumberFormat class does. maja neskovic Ranch Hand Posts: 134 posted 14 years ago I didn't know about it. Can you explain me how to use it? Campbell Ritchie Marshal Posts: 80457 453 posted 14 years ago You cannot set a precision for a float; it is...
voidsetPrecision(int columnIndex, int precision) 将指定列的小数位数设置为给定的int。 voidsetScale(int columnIndex, int scale) 将指定列的小数点右边的位数设置为给定的int。 voidsetSchemaName(int columnIndex,StringschemaName) 将指定列的表架构的名称(如果有)设置为给定的String。
voidsetPrecision(int columnIndex, int precision) Sets the designated column's number of decimal digits to the given int. voidsetScale(int columnIndex, int scale) Sets the designated column's number of digits to the right of the decimal point to the given int. voidsetSchemaName(in...
设置precision显示的精度,threshold显示的数据数量,超过丢弃。一般都是用于设置精度 #torch.meshgrid(centor_h,centor_w) 一般用于生成网格,一般用连续的数组去制造网格。 C = torch.cat( (A,B),0 ) #按维数0拼接(竖着拼) C = torch.cat( (A,B),1 ) #按维数1拼接(横着拼) ...
this is the length in characters of the String representation (assuming the maximum allowed precision of the fractional seconds component). For binary data, this is the length in bytes. For the ROWID datatype, this is the length in bytes. 0 is returned for data types where the column size...
Moreover, optimization is also used in the ensemble of classifiers in the MEL framework, where different classifiers are trained on different feature subsets obtained by FSP methods. The ensemble of classifiers is then optimized to maximize the classification performance, such as accuracy, precision, ...