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When do items in HTML5 local storage expire?

... localStorage.removeItem(name); localStorage.removeItem(name + '_expiresIn'); } catch(e) { console.log('removeStorage: Error removing key ['+ key + '] from localStorage: ' + JSON.stringify(e) ); return false; } return true; } /* getStorage: retrieves a key fro...
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private[this] vs private

...nt type T occurs in contravariant position in type Option[T] of value value_= class Holder[+T] (initialValue: Option[T]) { This error occurs because value is a mutable variable on the covariant type T (+T) which is normally a problem unless marked as private to the instance with private[this...
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How can I specify working directory for popen

...wd, import os and define cwd using this: os.path.dirname(os.path.realpath(__file__)) share | improve this answer | follow | ...
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How do I change the working directory in Python?

... """Context manager for changing the current working directory""" def __init__(self, newPath): self.newPath = os.path.expanduser(newPath) def __enter__(self): self.savedPath = os.getcwd() os.chdir(self.newPath) def __exit__(self, etype, value, traceback): ...
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How to pass variable from jade template file to a script file?

...s how I addressed this (using a MEAN derivative) My variables: { NODE_ENV : development, ... ui_varables { var1: one, var2: two } } First I had to make sure that the necessary config variables were being passed. MEAN uses the node nconf package, and by default is set up to li...
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Left Align Cells in UICollectionView

...orCellWithReuseIdentifier: "Cell") } override func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int { return array.count } override func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -...
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UILabel text margin [duplicate]

..., intrinsicContentSize property (for Auto layout code) and/or sizeThatFits(_:) method (for Springs & Struts code). import UIKit class PaddingLabel: UILabel { let padding: UIEdgeInsets // Create a new PaddingLabel instance programamtically with the desired insets required init(pad...
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log messages appearing twice with Python Logging

... You are calling configure_logging twice (maybe in the __init__ method of Boy) : getLogger will return the same object, but addHandler does not check if a similar handler has already been added to the logger. Try tracing calls to that method and eli...
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In a Django form, how do I make a field readonly (or disabled) so that it cannot be edited?

... readonly attribute on the form field: class ItemForm(ModelForm): def __init__(self, *args, **kwargs): super(ItemForm, self).__init__(*args, **kwargs) instance = getattr(self, 'instance', None) if instance and instance.pk: self.fields['sku'].widget.attrs['rea...
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Enabling HTTPS on express.js

...); const fs = require('fs'); const port = 3000; var key = fs.readFileSync(__dirname + '/../certs/selfsigned.key'); var cert = fs.readFileSync(__dirname + '/../certs/selfsigned.crt'); var options = { key: key, cert: cert }; app = express() app.get('/', (req, res) => { res.send('Now using ...