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Creating an empty file in Ruby: “touch” equivalent?
...and mirrors* the touch command:
require 'fileutils'
FileUtils.touch('file.txt')
* Unlike touch(1) you can't update mtime or atime alone. It's also missing a few other nice options.
share
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improv...
Representing Directory & File Structure in Markdown Syntax [closed]
... pair of triple backticks (```):
```
project
│ README.md
│ file001.txt
│
└───folder1
│ │ file011.txt
│ │ file012.txt
│ │
│ └───subfolder1
│ │ file111.txt
│ │ file112.txt
│ │ ...
│
└───folder2
...
How can I recall the argument of the previous bash command?
...
If the previous command had two arguments, like this
ls a.txt b.txt
and you wanted the first one, you could type
!:1
giving
a.txt
Or if you wanted both, you could type
!:1-2
giving
a.txt b.txt
You can extend this to any number of arguments, eg:
!:10-12
...
How to upgrade all Python packages with pip?
...st of the original verisons. E.g. pip freeze --local | tee before_upgrade.txt | ... That way it would be easier to revert if there's any problems.
– Emil H
Mar 4 '14 at 6:29
10
...
Typical .gitignore file for an Android app
...case you are using it. You can either ignore the whole folder or just dump.txt, seeds.txt and usage.txt. Basically, it's a good idea to keep mapping.txt versioned, so that you can debug obfuscated stack traces from your users. More details here.
...
Tree view of a directory/folder in Windows? [closed]
...-click mouse, and select "Open command window here"
Type tree /f > tree.txt and press Enter
Use MS Word to open "tree.txt"
The dialog box "File Conversion - tree.txt" will open
For "Text encoding" tick the "MS-DOS" option
You now have an editable tree structure file.
This works for versions of...
What's the opposite of 'make install', i.e. how do you uninstall a library in Linux?
... run this command which I have from another answer:
cat install_manifest.txt | xargs echo rm | sh
If you have sudo make install you will need to add a sudo to your uninstall:
cat install_manifest.txt | xargs echo sudo rm | sh
...
Best practice for Django project working directory structure
...rowser ones)
tmp/ # excluded from git
setup.py
requirements.txt
requirements_dev.txt
pytest.ini
...
Settings
The main settings are production ones. Other files (eg. staging.py,
development.py) simply import everything from production.py and override only necessary variables.
For each...
How to create a zip file in Java
...ipOutputStream(new FileOutputStream(f));
ZipEntry e = new ZipEntry("mytext.txt");
out.putNextEntry(e);
byte[] data = sb.toString().getBytes();
out.write(data, 0, data.length);
out.closeEntry();
out.close();
This will create a zip in the root of D: named test.zip which will contain one single fil...
Extract a number from a string (JavaScript)
...
You should try the following:
var txt = "#div-name-1234-characteristic:561613213213";
var numb = txt.match(/\d/g);
numb = numb.join("");
alert (numb);
result
1234561613213213
s...