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Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue
...luminosity, and only modifies the color of the image. For example:
becomes After doing some research, it appears that the ColorMatrixColorFilter class may do what I need, but I can't seem to find any resources pointing to how the matrix is used. It's a 4x5 matrix, but what I need to know i...
How to get JSON from URL in JavaScript?
...
Define a function like:
fetchRestaurants(callback) {
fetch(`http://www.restaurants.com`)
.then(response => response.json())
.then(json => callback(null, json.restaurants))
.catch(error => callback(error, null))
}
Then use it like this:
fetchRestaurants((error...
Replace non-ASCII characters with a single space
I need to replace all non-ASCII (\x00-\x7F) characters with a space. I'm surprised that this is not dead-easy in Python, unless I'm missing something. The following function simply removes all non-ASCII characters:
...
What are FTL files
... which might help:
http://freemarker.org/docs/
Tutorials:
http://www.vogella.com/tutorials/FreeMarker/article.html
http://viralpatel.net/blogs/freemaker-template-hello-world-tutorial/
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Oracle SQL escape character (for a '&')
...GADORES_AGREGADORES (IDAGREGADOR,NOMBRE,URL)
values (2,'Netvibes',
'http://www.netvibes.com/subscribe.php?type=rss' || chr(38) || 'amp;url=');
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Naming cookies - best practices [closed]
... ".".{appname}.".".{friendly cookie name camel cased} So, if your site is www.testsite.com, and your app is foo, and your variable is "bar bar bar bar bar barann", it would be "com.testsite.foo.barBarBarBarBarBarann"
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“Collection was mutated while being enumerated” on executeFetchRequest
...ed my problem and I must thank this blog post from Fred McCann's :
http://www.duckrowing.com/2010/03/11/using-core-data-on-multiple-threads/
The problem seems to come from the fact that I instantiate my background moc on the main thread instead of the background thread. When Apple tells that each ...
Stop on first error [duplicate]
...
Maybe you want set -e:
www.davidpashley.com/articles/writing-robust-shell-scripts.html#id2382181:
This tells bash that it should exit the script if any statement returns a non-true return value. The benefit of using -e is that it prevents error...
How to remove a key from HashMap while iterating over it? [duplicate]
...t.println("Changed HashMap : "+hashMap);
}
}
Source : http://www.tutorialdata.com/examples/java/collection-framework/hashmap/remove-mapping-of-specified--key-from-hashmap
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impro...
Download a working local copy of a webpage [closed]
...e of doing what you are asking. Just try the following:
wget -p -k http://www.example.com/
The -p will get you all the required elements to view the site correctly (css, images, etc).
The -k will change all links (to include those for CSS & images) to allow you to view the page offline as it ...