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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...
Bootstrap full-width text-input within inline-form
...ootstrap docs says about this:
Requires custom widths Inputs, selects, and textareas are 100% wide by
default in Bootstrap. To use the inline form, you'll have to set a
width on the form controls used within.
The default width of 100% as all form elements gets when they got the class form-...
How do you do a case insensitive search using a pattern modifier using less?
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You can also type command -I while less is running. It toggles case sensitivity for searches.
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What is the @Html.DisplayFor syntax for?
I understand that in Razor, @Html does a bunch of neat things, like generate HTML for links, inputs, etc.
4 Answers
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C++ unordered_map using a custom class type as the key
... things:
A hash function; this must be a class that overrides operator() and calculates the hash value given an object of the key-type. One particularly straight-forward way of doing this is to specialize the std::hash template for your key-type.
A comparison function for equality; this is require...
What is the lifetime of a static variable in a C++ function?
... is declared as static in a function's scope it is only initialized once and retains its value between function calls. What exactly is its lifetime? When do its constructor and destructor get called?
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Random row selection in Pandas dataframe
Is there a way to select random rows from a DataFrame in Pandas.
6 Answers
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What is the difference between .*? and .* regular expressions?
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It is the difference between greedy and non-greedy quantifiers.
Consider the input 101000000000100.
Using 1.*1, * is greedy - it will match all the way to the end, and then backtrack until it can match 1, leaving you with 1010000000001.
.*? is non-greedy. * w...
How to slice an array in Bash
...e - is necesssary
Note that the fact that "a b c" is one array element (and that it contains an extra space) is preserved.
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Is there documentation for the Rails column types?
...s; use these for math that needs to be accurate
See this post for examples and an in-depth explanation on the differences between floats and decimals.
Boolean:
Use to store true/false attributes (i.e. things that only have two states, like on/off)
Binary:
Use to store images, movies, and other...