大约有 2,600 项符合查询结果（耗时：0.0288秒） [XML]
How do you read from stdin?
...;' mode='r' encoding='UTF-8'>
file example
Say you have a file, inputs.txt, we can accept that file and write it back out:
python -c "import sys; sys.stdout.write(sys.stdin.read())" < inputs.txt
Longer answer
Here's a complete, easily replicable demo, using two methods, the builtin function,...
Running multiple commands with xargs
...
cat a.txt | xargs -d $'\n' sh -c 'for arg do command1 "$arg"; command2 "$arg"; ...; done' _
...or, without a Useless Use Of cat:
<a.txt xargs -d $'\n' sh -c 'for arg do command1 "$arg"; command2 "$arg"; ...; done' _
To ex...
How to Generate unique file names in C#
...sn't matter, use GUIDs.
E.g.:
var myUniqueFileName = string.Format(@"{0}.txt", Guid.NewGuid());
or shorter:
var myUniqueFileName = $@"{Guid.NewGuid()}.txt";
In my programs, I sometimes try e.g. 10 times to generate a readable name ("Image1.png"…"Image10.png") and if that fails (because the ...
Looking for a 'cmake clean' command to clear up CMake output
...ough directories removing files like cmake_install.cmake and CMakeCache.txt , and the CMakeFiles folders.
21 Answers
...
What is your single most favorite command-line trick using Bash? [closed]
...
rename
Example:
$ ls
this_has_text_to_find_1.txt
this_has_text_to_find_2.txt
this_has_text_to_find_3.txt
this_has_text_to_find_4.txt
$ rename 's/text_to_find/been_renamed/' *.txt
$ ls
this_has_been_renamed_1.txt
this_has_been_renamed_2.txt
this_has_been_renamed_3.txt
t...
How to test if string exists in file with Bash?
...
grep -Fxq "$FILENAME" my_list.txt
The exit status is 0 (true) if the name was found, 1 (false) if not, so:
if grep -Fxq "$FILENAME" my_list.txt
then
# code if found
else
# code if not found
fi
Explanation
Here are the relevant sections of the ma...
git stash -> merge stashed change with current changes
... test-repo && cd test-repo && git init
echo test > test.txt
git add test.txt && git commit -m "Initial version"
# here's the interesting part:
# make a local change and stash it:
echo test2 > test.txt
git stash
# make a different local change:
echo test3 > test.tx...
一个自媒体的运营手记：我做公众号已经两年多了 - 资讯 - 清泛网 - 专注C/C...
...再牛逼的企业照样无法超越你。想想QQ，想想微信，想想百度，你就会发现，他们那些技术大家都能做出来，但是你做不到他们的那些用户，他们庞大的用户量不是你技术就能做到的，关于这一点很多老板看不清楚。
所以说推...
How to delete a file or folder?
...Python syntax to delete a file
import os
os.remove("/tmp/<file_name>.txt")
Or
import os
os.unlink("/tmp/<file_name>.txt")
Or
pathlib Library for Python version >= 3.4
file_to_rem = pathlib.Path("/tmp/<file_name>.txt")
file_to_rem.unlink()
Path.unlink(missing_ok=False)
Unlink ...
When to wrap quotes around a shell variable?
... the literal single-quoted string.)
Wildcard expansion:
$ pattern='file*.txt'
$ ls $pattern
file1.txt file_other.txt
By contrast:
$ ls "$pattern"
ls: cannot access file*.txt: No such file or directory
(There is no file named literally file*.txt.)
$ ls '$pattern'
ls: cannot access $patte...