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Is it unnecessary to put super() in constructor?
... or protected or, if both classes are in the same package, package access; and
Default constructor: the public no-args constructor added by the compiler when there is no explicit constructor in the class.
So all classes have at least one constructor.
Subclasses constructors may specify as the fir...
How do I access command line arguments in Python?
...ython to create my project settings setup, but I need help getting the command line arguments.
8 Answers
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How to check if a char is equal to an empty space?
...that there are Unicode whitespace includes additional ASCII control codes, and some other Unicode characters in higher code planes; see the javadoc for Character.isWhitespace(char).
What you wrote was this:
if (Equals(ch, " ")) {
// ...
}
This is wrong on a number of levels. F...
Find if current time falls in a time range
...ay. What you need to do is add the .TimeOfDay property to the end of your Convert.ToDateTime() functions.
get dictionary value by key
...on, which I was not aware of. When I've found it out, I've pasted it here. And it seems that a lot of others didn't know about that also. Otherwise, they could also paste this answer and add that throws exception if key doesn't exist. Anyway, thanks for warning.
– FrenkyB
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Disable back button in android
How to disable back button in android while logging out the application?
17 Answers
17...
Google Chrome Extensions - Can't load local images with CSS
...
One option would be to convert your image to base64:
and then put the data right into your css like:
body { background-image: url(data:image/png;base64,iVB...); }
While this might not be an approach you would want to use when regularly develop...
Lists: Count vs Count() [duplicate]
... Internally though, LINQ checks if your IEnumerable implements ICollection and if it does it uses the Count property. So at the end of the day, there's no difference which one you use for a List.
To prove my point further, here's the code from Reflector for Enumerable.Count()
public static int Cou...
How do I make a transparent border with CSS?
...
And you can use this tool to convert from hex to rgba colour... hexcolortool.com ... where you can optionally specify the hex colour in the URL, like so... hexcolortool.com/#ffcc00
– clayRay
Aug 7 '17 at 1:31
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Saving enum from select in Rails 4.1
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No need converting the enum hash to array with to_a. This suffice:
f.select :color, Wine.colors.map { |key, value| [key.humanize, key] }
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