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How to create a hex dump of file containing only the hex characters without spaces in bash?
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fyi To reverse the process: xxd -r -ps hexascii.txt file (it is ok with or without newlines)
– Curtis Yallop
May 27 '14 at 23:19
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Git: Remove committed file after push
...you can check on which commits the file was changed.
git log path/to/file.txt
Then you can checkout the file with the revision number.
git checkout 3cdc61015724f9965575ba954c8cd4232c8b42e4 /path/to/file.txt
After that you can commit and push it again.
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GSON throwing “Expected BEGIN_OBJECT but was BEGIN_ARRAY”?
...uper(itemView);
categoryTV = (TextView) itemView.findViewById(R.id.txt_category);
urltitleTV = (TextView) itemView.findViewById(R.id.txt_urltitle);
}
}
}
and finally MainActivity.java
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android...
Why use pip over easy_install? [closed]
...info about which packages are installed with
pip freeze > requirements.txt
If you checked that file into version control, when someone else gets your code, they can setup their own virtual environment and install all the dependencies with:
pip install -r requirements.txt
Any time you can au...
How to configure XAMPP to send mail from localhost?
...dmail.php
<?php
$to = "somebody@example.com";
$subject = "My subject";
$txt = "Hello world!";
$headers = "From: webmaster@example.com" . "\r\n" .
"CC: somebodyelse@example.com";
mail($to,$subject,$txt,$headers);
?>
and you will see this:
I hope you will have a good day.
you can find me on Y...
Bash script to set up a temporary SSH tunnel
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$ sudo bash; exit
or sometimes:
$ : > sensitive-temporary-data.txt; bash; rm -f sensitive-temporary-data.txt; exit
These commands create a nested shell where I can do all my work; when I'm finished I hit CTRL-D and the parent shell cleans up and exits as well. You could easily throw ba...
How to create a new java.io.File in memory?
...Path("/foo");
Files.createDirectory(foo);
Path hello = foo.resolve("hello.txt"); // /foo/hello.txt
Files.write(hello, ImmutableList.of("hello world"), StandardCharsets.UTF_8);
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Do I need to manually close an ifstream?
... <fstream>
using std::ofstream;
int main() {
ofstream ofs("hello.txt");
ofs << "Hello world\n";
return 0;
}
writes file contents. But:
#include <stdlib.h>
#include <fstream>
using std::ofstream;
int main() {
ofstream ofs("hello.txt");
ofs << "Hello wor...
Regex Pattern to Match, Excluding when… / Except between
...t line
if line contains '//endif' set skip=false
Given the file input.txt:
tiago@dell:~$ cat input.txt
this is a text
it should match 12345
if(
it should not match 12345
//endif
it should match 12345
it should not match 12345.
it should not match ( blabla 12345 blablabla )
it should not ma...
Relative paths based on file location instead of current working directory [duplicate]
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Just one line will be OK.
cat "`dirname $0`"/../some.txt
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