大约有 42,000 项符合查询结果(耗时:0.0329秒) [XML]
How to get a list of file names in different lines
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Johan KotlinskiJohan Kotlinski
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Java regex email
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For a simple solution that matches 99.9% of email addresses this is a good solution.
– maloney
Aug 8 '13 at 11:21
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How to increase space between dotted border dots
...victorOlivictor
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Will iOS launch my app into the background if it was force-quit by the user?
...ausSanta Claus
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How do I create a list of random numbers without duplicates?
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This will return a list of 10 numbers selected from the range 0 to 99, without duplicates.
import random
random.sample(range(100), 10)
With reference to your specific code example, you probably want to read all the lines from the file once and then select random lines from the saved list ...
Telnet is not recognized as internal or external command [closed]
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Altay Akkus
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answered Oct 16 '15 at 18:43
sajadsajad
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Http 415 Unsupported Media type error with JSON
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user3443794user3443794
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Convert generic List/Enumerable to DataTable?
... performance query; here's a test rig with results:
Vanilla 27179
Hyper 6997
I suspect that the bottleneck has shifted from member-access to DataTable performance... I doubt you'll improve much on that...
Code:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using Sys...
ggplot2 keep unused levels barplot
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JarretinhaJarretinha
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Make a bucket public in Amazon S3 [closed]
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IntricationsIntrications
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