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What is the difference between ? and Object in Java generics?
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An instance of HashMap<String, String> matches Map<String, ?> but not Map<String, Object>. Say you want to write a method that accepts maps from Strings to anything: If you would write
public void foobar(Map<String, Object>...
How to keep Maven profiles which are activeByDefault active even if another profile gets activated?
...ly deactivated (-P !firstProfile).
I solved this by using the activeByDefault flag:
6 Answers
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Bootstrap close responsive menu “on click”
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I've got it to work with animation!
Menu in html:
<div id="nav-main" class="nav-collapse collapse">
<ul class="nav">
<li>
<a href='#somewhere'>Somewhere</a>
</li>
</ul>
</div>
Binding ...
Best way to extract a subvector from a vector?
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vector<T>::const_iterator first = myVec.begin() + 100000;
vector<T>::const_iterator last = myVec.begin() + 101000;
vector<T> newVec(first, last);
It's an O(N) operation to construct the new vector, but there isn'...
How to center canvas in html5
... height:100px;
margin: 0px auto;
border: 1px solid red;
}
<div id="test">
<canvas width="100" height="100"></canvas>
</div>
Just change the height and width to whatever and you've got a centered div
http://jsfiddle.net/BVghc/2/
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Ignore with CSS?
I'm working on a site which has line breaks inserted as <br> in some of the headings. Assuming I can't edit the source HTML, is there a way with CSS I can ignore these breaks?
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How can I add an item to a IEnumerable collection?
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You cannot, because IEnumerable<T> does not necessarily represent a collection to which items can be added. In fact, it does not necessarily represent a collection at all! For example:
IEnumerable<string> ReadLines()
{
string s;
do
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How do I align views at the bottom of the screen?
...tionButton that will be aligned to the end and the bottom of the screen.
<android.support.constraint.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:...
Android ViewPager with bottom dots
... coding so much by using only viewpager with tablayout.
Your main Layout:
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<...
Conversion of System.Array to List
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using System.Linq;
int[] ints = new [] { 10, 20, 10, 34, 113 };
List<int> lst = ints.OfType<int>().ToList(); // this isn't going to be fast.
Can also just...
List<int> lst = new List<int> { 10, 20, 10, 34, 113 };
or...
List<int> lst = new List<int>();
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