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Applicatives compose, monads don't
..., perhaps to tragic effect.
The monadic version relies essentially on the extra power of (>>=) to choose a computation from a value, and that can be important. However, supporting that power makes monads hard to compose. If we try to build ‘double-bind’
(>>>>==) :: (Monad m, ...
Regular expression for a string that does not start with a sequence
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@Gumbo - should that not end .* instead of .+? A string that is tbd_ also starts with that... therefore by definition doesn't need to be followed by any other characters? Otherwise, good example. It does require a regex engine that supports lookaround though.
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Get operating system info
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I researched this for a bit, and found a few links explaining the Trident string.
http://www.sitepoint.com/ie11-smells-like-firefox/
http://www.upsdell.ca/BrowserNews/res_sniff.htm
How can I target only Internet Explorer 11 with JavaScript?
http://en.wikipedia.org/wiki/Trident_%28layout_engine%29...
Safari 3rd party cookie iframe trick no longer working?
...ly I figured out that the easiest way (TMO) is to simply add it as a query-string parameter to the redirection url of the rails app. Wasy and clean.
– guyaloni
Jul 21 '15 at 16:40
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Difference between assertEquals and assertSame in phpunit?
...passing '2204' and 2204, which will fail using assertSame because one is a string and one is an int, basically:
'2204' !== 2204
assertSame('2204', 2204) // this test fails
assertEquals
"Reports an error identified by $message if the two variables $expected and $actual are not equal."
assert...
postgresql - replace all instances of a string within text field
In postgresql, how do I replace all instances of a string within a database column?
4 Answers
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How many Activities vs Fragments?
...tent.setClass(getActivity(), DetailsActivity.class);
intent.putExtra("index", index);
startActivity(intent);
}
}
Another advantage of the ABS pattern is that you do not end up with a Tablet Activity containing lots of logic, and that means that you save memory...
Unsupported major.minor version 52.0 [duplicate]
...st
and replace the JVM version with:
<key>JVMVersion</key>
<string>1.8*</string>
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How to save an image to localStorage and display it on the next page?
...ith getElementByID, and save the image as a Base64. Then I save the Base64 string as my localStorage value.
bannerImage = document.getElementById('bannerImg');
imgData = getBase64Image(bannerImage);
localStorage.setItem("imgData", imgData);
Here is the function that converts the image to a Base64...
How can I append a string to an existing field in MySQL?
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You need to use the CONCAT() function in MySQL for string concatenation:
UPDATE categories SET code = CONCAT(code, '_standard') WHERE id = 1;
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