Unverified50% confidenceFactExact time
cat -n numbers every line (including empty lines) without distinction, whereas nl by default only numbers lines that have content.
1
Sources
50%
Confidence
Long-term
Relevance
9/16/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedOne-hot encoding assigns each word in the vocabulary a unique index, representing it with a vector that has a 1 only at that index position and 0s elsewhere; the dot product of any two different one-hot vectors is always 0 (orthogonal).57% similarUnverifiedCatBoost 针对类别特征设计了有序目标统计编码方案55% similarUnverifiednl supports pipeline input; for example, seq 10 | nl will add a line number to each line from 1 to 10.54% similarUnverifiednl uses a tab character by default to separate the line number from the line content; the -s parameter allows specifying a different separator.53% similarUnverifiednl -b p'pattern' numbers only the lines matching that regular expression pattern; unmatched lines are still output but without line numbers.50% similar
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