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Given an RGB value, how do I create a tint (or shade)?
... an RGB value, like 168, 0, 255 , how do I create tints (make it lighter) and shades (make it darker) of the color?
3 Answ...
Is there a way to create multiline comments in Python?
...Python's style guide, PEP8, favors using consecutive single-line comments, and this is also what you'll find in many projects. Text editors usually have a shortcut to do this easily.
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How to check if an intent can be handled from some activity?
... startActivity(intent);
} else {
Log.d(TAG, "No Intent available to handle action");
}
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postgresql COUNT(DISTINCT …) very slow
...ount int not null), using triggers. But your write performance will suffer and if you update multiple x values in single transaction then you'd need to do this in some explicit order to avoid possible deadlock.
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What's an elegant way to conditionally add a class to an HTML element in a view?
...lly you should represent success with boolean true or a numeric record ID, and failure with boolean false or nil. This way you can just test your variable:
<div class="<%= 'ok' if @success %>">
A second form using the ternary ?: operator is useful if you want to choose between two cl...
How to use Swift @autoclosure
...})
// "It's true"
If we omit the braces, we are passing in an expression and that's an error:
f(pred: 2 > 1)
// error: '>' produces 'Bool', not the expected contextual result type '() -> Bool'
@autoclosure creates an automatic closure around the expression. So when the caller writes an...
How do I validate a date string format in python?
...xcept? Python tends to slow down significantly when an exception is raised and caught.
– chiffa
Sep 6 '16 at 1:26
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Maximum Length of Command Line String
In Windows, what is the maximum length of a command line string? Meaning if I specify a program which takes arguments on the command line such as abc.exe -name=abc
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Rails formatting date
I am posting a date to an API and the required format is as follows:
4 Answers
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Assign width to half available screen width declaratively
...s it possible to assign a widget width to half the available screen width, and do it using declarative xml?
5 Answers
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