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Save modifications in place with awk
...treat each file independently, you'll need to do something like for f in *.txt; do gawk -i inplace '!seen[$0]++' "$f"; done
– Nick K9
Jan 17 '19 at 18:10
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...
Set the value of an input field
...ly simple
// Your HTML text field
<input type="text" name="name" id="txt">
//Your javascript
<script type="text/javascript">
document.getElementById("txt").value = "My default value";
</script>
Or if you want to avoid JavaScript entirely: You can define it just using HTML
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Convert from ASCII string encoded in Hex to plain ASCII?
...
>>> txt = '7061756c'
>>> ''.join([chr(int(''.join(c), 16)) for c in zip(txt[0::2],txt[1::2])])
'paul'
i'm just having fun, but the important par...
vim command to restructure/force text to 80 columns
...both for your example.
$ echo -e 'long line is long!\nshort' > 3033423.txt
$ cat 3033423.txt
long line is long!
short
$ fmt -w 13 3033423.txt
long line is
long! short
$ par 13gr 3033423.txt
long line is
long! short
To use from inside Vim:
:%! fmt -w 13
:%! par 13gr
You can also set :format...
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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NASM x86汇编入门指南 - C/C++ - 清泛网 - 专注C/C++及内核技术
...一篇关于AT&T的汇编入门文章)
3.2 如何安装NASM？
下载地址：http://www.nasm.us/
可以下载源码包或者rpm包，rpm –iUh *.rpm
四、Linux汇编介绍
4.1 DOS和Linux汇编主要不同的地方
DOS汇编中，大部分工作依靠21号中断(int ...
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.
...
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?
...
Use this:
TextView txt = (TextView) findViewById(R.id.Textview1);
txt.setPaintFlags(txt.getPaintFlags() | Paint.UNDERLINE_TEXT_FLAG);
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