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How does interfaces with construct signatures work?
...-able function. Here's an example involving interfaces new signatures that does work:
interface ComesFromString {
name: string;
}
interface StringConstructable {
new(n: string): ComesFromString;
}
class MadeFromString implements ComesFromString {
constructor (public name: string) {
...
Pycharm does not show plot
Pycharm does not show plot from the following code:
25 Answers
25
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Is there a Null OutputStream in Java?
...m for an API I'm using, but I don't actually have a need for the output. Does Java have an OutputStream equivalent to > /dev/null ?
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What does “Protocol … can only be used as a generic constraint because it has Self or associated typ
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Oh no wait it does, because Dictionary needs to be able to know if a given object is indeed the correct key, because it's possible for two different objects to generate the same hash code. Hmm, that is a bit tricky. So the problem here is ...
Make xargs execute the command once for each line of input
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@Wernight: "-n1" does not give 1 invocation per input line. maybe your input line was too long. demo: echo "foo bar" | xargs -n1 echo. hence if you pipe in stuff like 'ls', it won't handle spaces well.
– gatoatigrado
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Why must we define both == and != in C#?
...nequality (left : Foo, right : Foo) = left.Prop <> right.Prop
This does exactly what it looks like. It creates an equality comparer on == only, and checks to see if the internal values of the class are equal.
While you can't create a class like this in C#, you can use one that was compiled...
Regex (grep) for multi-line search needed [duplicate]
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/bin/grep: PCRE does not support \L, \l, \N, \U, or \u
– Oli
Sep 5 '11 at 8:14
4
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More elegant “ps aux | grep -v grep”
...nal'
This will match lines containing terminal, which egrep '[t]erminal' does not! It also works on many flavours of Unix.
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What is the difference between URI, URL and URN? [duplicate]
...nism for retrieving it. A URL defines how the resource can be obtained. It does not have to be HTTP URL (http://), a URL can also be (ftp://) or (smb://).
A Uniform Resource Name (URN) is a Uniform Resource Identifier (URI) that uses the URN scheme, and does not imply availability of the identified...
When does ADT set BuildConfig.DEBUG to false?
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It doesn't work properly:
Issue 27940: BuildConfig.DEBUG is "true" for exported application package
It's disappointing that they sometimes release buggy features.
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