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Batch Renaming of Files in a Directory
...n-hidden file in the current directory
import os
[os.rename(f, f.replace('_', '-')) for f in os.listdir('.') if not f.startswith('.')]
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...
SQLAlchemy default DateTime
...olumn, Integer, DateTime
from sqlalchemy.ext.declarative import declarative_base
Base = declarative_base()
class Test(Base):
__tablename__ = 'test'
id = Column(Integer, primary_key=True)
created_date = Column(DateTime, default=datetime.datetime.utcnow)
...
How to use a decimal range() step value?
...
@LarsWirzenius: in Python 2.2+, from __future__ import division; 3/10 returns 0.3. This behaviour is the default in Python 3.x.
– Benjamin Hodgson♦
Sep 14 '12 at 11:15
...
Clear icon inside input text
...r $inp = $(this).find("input:text"),
$cle = $(this).find(".clearable__clear");
$inp.on("input", function(){
$cle.toggle(!!this.value);
});
$cle.on("touchstart click", function(e) {
e.preventDefault();
$inp.val("").trigger("input");
});
});
/* Clearable t...
Reading binary file and looping over each byte
...ns of Python below 2.5. To use it in v 2.5 you'll need to import it:
from __future__ import with_statement
In 2.6 this is not needed.
Python 3
In Python 3, it's a bit different. We will no longer get raw characters from the stream in byte mode but byte objects, thus we need to alter the conditi...
How would I create a UIAlertView in Swift?
...ewController: UIViewController {
@IBAction func showAlertButtonTapped(_ sender: UIButton) {
// create the alert
let alert = UIAlertController(title: "My Title", message: "This is my message.", preferredStyle: UIAlertController.Style.alert)
// add an action (button)
...
Mixing a PHP variable with a string literal
...
$bucket = '$node->' . $fieldname . "['und'][0]['value'] = " . '$form_state' . "['values']['" . $fieldname . "']";
print $bucket;
yields:
$node->mindd_2_study_status['und'][0]['value'] = $form_state['values']
['mindd_2_study_status']
...
How can I restore the MySQL root user’s full privileges?
...ue the following commands in the mysql client:
UPDATE mysql.user SET Grant_priv='Y', Super_priv='Y' WHERE User='root';
FLUSH PRIVILEGES;
After that, you should be able to run GRANT ALL ON *.* TO 'root'@'localhost'; and have it work.
...
Visual Studio window which shows list of methods
...class
Resharper help:
http://www.jetbrains.com/resharper/webhelp/Reference__Windows__File_Structure_Window.html
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How would I run an async Task method synchronously?
...nizationContext.SetSynchronizationContext(synch);
synch.Post(async _ =>
{
try
{
await task();
}
catch (Exception e)
{
synch.InnerException = e;
throw;
}
...