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How to Get the Title of a HTML Page Displayed in UIWebView?
I need to extract the contents of the title tag from an HTML page displayed in a UIWebView. What is the most robust means of doing so?
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Rails migration for has_and_belongs_to_many join table
...p columns. Here is a better example of a has_and_belongs_to_many migration from the link you gave. I'm looking for a way to do it from the command line with script/generate migration ...
– ma11hew28
Dec 7 '10 at 20:44
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How do I convert an NSString value to NSData?
...a = [str dataUsingEncoding:NSUTF8StringEncoding];
you can take reference from this link
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How do I render a partial of a different format in Rails?
...his question, but this filled my need of easily rendering an HTML template from within an RJS one of the same name after hoping that a :format option would work. Thanks!
– ches
Mar 20 '13 at 16:18
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SharedPreferences.onSharedPreferenceChangeListener not being called consistently
...It will work at first, but eventually, will get garbage collected, removed from the WeakHashMap and stop working.
Keep a reference to the listener in a field of your class and you will be OK, provided your class instance is not destroyed.
i.e. instead of:
prefs.registerOnSharedPreferenceChangeLis...
How to center a subview of UIView
...nd it will always work:
child.center = [parent convertPoint:parent.center fromView:parent.superview];
And for Swift:
child.center = parent.convert(parent.center, from:parent.superview)
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How to create an android app using HTML 5
...th few project settings change, also you can see Migrate to Android Studio from Eclipse.
– Talha
Oct 10 '16 at 8:08
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How do you get a directory listing sorted by creation date in python?
...te: to sort dirpath's entries by modification date in Python 3:
import os
from pathlib import Path
paths = sorted(Path(dirpath).iterdir(), key=os.path.getmtime)
(put @Pygirl's answer here for greater visibility)
If you already have a list of filenames files, then to sort it inplace by creation ...
Check if key exists and iterate the JSON array using Python
I have a bunch of JSON data from Facebook posts like the one below:
7 Answers
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Deleting a file in VBA
...Object is a really useful tool and well worth getting friendly with. Apart from anything else, for text file writing it can actually sometimes be faster than the legacy alternative, which may surprise a few people. (In my experience at least, YMMV).
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