大约有 40,000 项符合查询结果（耗时：0.0893秒） [XML]
How do I get the result of a command in a variable in windows?
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36
If you have to capture all the command output you can use a batch like this:
@ECHO OFF
IF NOT "...
How to add a progress bar to a shell script?
... (33%)\r'
sleep 1
echo -ne '############# (66%)\r'
sleep 1
echo -ne '####################### (100%)\r'
echo -ne '\n'
In a comment below, puk mentions this "fails" if you start with a long line and then want to write a short line: In this case, you'll need to overw...
How can I multiply and divide using only bit shifting and adding?
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76
To multiply in terms of adding and shifting you want to decompose one of the numbers by powers o...
UIButton Image + Text IOS
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edited Aug 10 '12 at 13:26
answered Aug 7 '12 at 13:45
Ang...
Pythonic way to print list items
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edited Apr 2 '13 at 16:40
answered Apr 2 '13 at 16:27
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How do I join two lines in vi?
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ArtOfWarfare
16.7k1313 gold badges112112 silver badges159159 bronze badges
answered Dec 16 '09 at 7:20
GJ.GJ.
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Most efficient way to remove special characters from string
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private static bool[] _lookup;
static Program() {
_lookup = new bool[65536];
for (char c = '0'; c <= '9'; c++) _lookup[c] = true;
for (char c = 'A'; c <= 'Z'; c++) _lookup[c] = true;
for (char c = 'a'; c <= 'z'; c++) _lookup[c] = true;
_lookup['.'] = true;
_lookup['_'] ...
How can I get the behavior of GNU's readlink -f on a Mac?
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edited Aug 8 '16 at 19:19
Benjamin W.
29.9k1515 gold badges6767 silver badges7373 bronze badges
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Stripping everything but alphanumeric chars from a string in Python
...h for ch in string.printable if ch.isalnum())"
10000 loops, best of 3: 57.6 usec per loop
$ python -m timeit -s \
"import string" \
"filter(str.isalnum, string.printable)"
10000 loops, best of 3: 37.9 usec per loop
$ python -m timeit -s \
"import re, string" \
"re...