大约有 1,500 项符合查询结果（耗时：0.0227秒） [XML]
Read first N lines of a file in python
...he best, but for example if N=1000:
import pandas as pd
yourfile = pd.read_csv('path/to/your/file.csv',nrows=1000)
share
|
improve this answer
|
follow
|
...
AWK: Access captured group from line pattern
...ntaine Could grep -o output captured groups?
– Olle Härstedt
Mar 7 '18 at 15:29
1
@OlleHärstedt...
Java: Integer equals vs. ==
... edited Jun 14 '18 at 12:30
buræquete
12.5k44 gold badges3131 silver badges6262 bronze badges
answered Sep 3 '10 at 17:06
...
Is there a way to ignore header lines in a UNIX sort?
... pass the input in a second time to the sed command, like this: cat sortMe.csv | (sed 1q sortMe.csv; sort -t, -k3 -rn) > sorted.csv
– Harry Cramer
Jun 5 at 3:00
...
How do I get currency exchange rates via an API such as Google Finance? [closed]
...se refer to finance.yahoo.com.
Request: http://finance.yahoo.com/d/quotes.csv?e=.csv&f=sl1d1t1&s=USDINR=X
This CSV was being used by a jQuery plugin called [Curry][1]. Curry has since (2017-08-29) moved to use fixer.io instead due to stability issues.
Might be useful if you need more than j...
Is it good practice to NULL a pointer after deleting it?
... answered Dec 18 '09 at 23:01
Håvard SHåvard S
20.4k55 gold badges5555 silver badges6767 bronze badges
...
What's the best way to use R scripts on the command line (terminal)?
...pr 15 '09 at 11:37
Jouni K. SeppänenJouni K. Seppänen
33.9k55 gold badges6767 silver badges9696 bronze badges
...
Android Studio suddenly cannot resolve symbols
...wered Apr 7 '14 at 0:01
Victor HäggqvistVictor Häggqvist
4,37233 gold badges2525 silver badges3232 bronze badges
...
How to check if one of the following items is in a list?
...ed Apr 11 '09 at 16:12
Tobias KräntzerTobias Kräntzer
...
LLVM C++ IDE for Windows
...ed Mar 14 '11 at 8:09
Leo HippeläinenLeo Hippeläinen
5111 silver badge11 bronze badge
...