大约有 3,600 项符合查询结果（耗时：0.0325秒） [XML]
Find index of last occurrence of a substring in a string
...in your code...
Example: Search of last newline character
>>> txt = '''first line
... second line
... third line'''
>>> txt.rfind('\n')
22
>>> txt.rindex('\n')
22
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Iterate all files in a directory using a 'for' loop
...thought my use case might help. Here is a loop that reads info from each '.txt' file in a directory and allows you do do something with it (setx for instance).
@ECHO OFF
setlocal enabledelayedexpansion
for %%f in (directory\path\*.txt) do (
set /p val=<%%f
echo "fullname: %%f"
echo "name: ...
Python how to write to a binary file?
...t.pack('5B', *newFileBytes))
However I would never give a binary file a .txt extension.
The benefit of this method is that it works for other types as well, for example if any of the values were greater than 255 you could use '5i' for the format instead to get full 32-bit integers.
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Get final URL after curl is redirected
... --output /dev/null "https://""goo.gl/QeJeQ4"
Speed test
all_videos_link.txt - 50 links of goo.gl+bit.ly which redirect to youtube
1. With follow location
time while read -r line; do
curl -kIsL -w "%{url_effective}\n" -o /dev/null $line
done < all_videos_link.txt
Results:
real 1m40.832...
How do you underline a text in Android XML?
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Use this:
TextView txt = (TextView) findViewById(R.id.Textview1);
txt.setPaintFlags(txt.getPaintFlags() | Paint.UNDERLINE_TEXT_FLAG);
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How does HTTP file upload work?
...e bytes 61 CF 89 62 in UTF-8.
Create files to upload:
echo 'Content of a.txt.' > a.txt
echo '<!DOCTYPE html><title>Content of a.html.</title>' > a.html
# Binary file containing 4 bytes: 'a', 1, 2 and 'b'.
printf 'a\xCF\x89b' > binary
Run our little echo server:
whil...
How do you search for files containing DOS line endings (CRLF) with grep on Linux?
... d -exec file "{}" ";" | grep CRLF
will get you something like:
./1/dos1.txt: ASCII text, with CRLF line terminators
./2/dos2.txt: ASCII text, with CRLF line terminators
./dos.txt: ASCII text, with CRLF line terminators
sh...
How to import existing Git repository into another?
...atch.
Assume we have 2 git repositories foo and bar.
foo contains:
foo.txt
.git
bar contains:
bar.txt
.git
and we want to end-up with foo containing the bar history and these files:
foo.txt
.git
foobar/bar.txt
So to do that:
1. create a temporary directory eg PATH_YOU_WANT/patch-bar...
What does enctype='multipart/form-data' mean?
...e bytes 61 CF 89 62 in UTF-8.
Create files to upload:
echo 'Content of a.txt.' > a.txt
echo '<!DOCTYPE html><title>Content of a.html.</title>' > a.html
# Binary file containing 4 bytes: 'a', 1, 2 and 'b'.
printf 'a\xCF\x89b' > binary
Run our little echo server:
whil...
How do I rename all files to lowercase?
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Be careful. If you have files named foo.txt and FOO.TXT, this could clobber one of them.
– Keith Thompson
Oct 16 '11 at 21:10
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