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A simple command line to download a remote maven2 artifact to the local repository?
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170
Since version 2.1 of the Maven Dependency Plugin, there is a dependency:get goal for this purp...
Which iOS app version/build number(s) MUST be incremented upon App Store release?
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10 Answers
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Why can't decimal numbers be represented exactly in binary?
... SO about floating-point representation. For example, the decimal number 0.1 doesn't have an exact binary representation, so it's dangerous to use the == operator to compare it to another floating-point number. I understand the principles behind floating-point representation.
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How to create a loop in bash that is waiting for a webserver to respond?
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174
Combining the question with chepner's answer, this worked for me:
until $(curl --output /dev/...
Heroku + node.js error (Web process failed to bind to $PORT within 60 seconds of launch)
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1043
Heroku dynamically assigns your app a port, so you can't set the port to a fixed number. Hero...
RegEx for Javascript to allow only alphanumeric
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17 Answers
17
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Evaluating a mathematical expression in a string
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11 Answers
11
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How ListView's recycling mechanism works
...tially the listview has 7 visible items, then, if you scroll up until item 1 is no longer visible, getView() passes this view (i.e item1) to the recycler and you can use
System.out.println("getview:"+position+" "+convertView);
inside your
public View getView(final int position, View convertView, Vi...
Scala list concatenation, ::: vs ++
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Legacy. List was originally defined to be functional-languages-looking:
1 :: 2 :: Nil // a list
list1 ::: list2 // concatenation of two lists
list match {
case head :: tail => "non-empty"
case Nil => "empty"
}
Of course, Scala evolved other collections, in an ad-hoc manner....
Does .NET have a way to check if List a contains all items in List b?
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178
If you're using .NET 3.5, it's easy:
public class ListHelper<T>
{
public static boo...