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Convert a byte array to integer in Java and vice versa
...rticular, the ByteBuffer. It can do all the work for you.
byte[] arr = { 0x00, 0x01 };
ByteBuffer wrapped = ByteBuffer.wrap(arr); // big-endian by default
short num = wrapped.getShort(); // 1
ByteBuffer dbuf = ByteBuffer.allocate(2);
dbuf.putShort(num);
byte[] bytes = dbuf.array(); // { 0, 1 }
...
What is the significance of load factor in HashMap?
...ize and load factor . I went through the Java documentation and it says 0.75f is the initial load factor. But I can't find the actual use of it.
...
How do I verify jQuery AJAX events with Jasmine?
...yOn($, "ajax");
getProduct(123);
expect($.ajax.mostRecentCall.args[0]["url"]).toEqual("/products/123");
});
function getProduct(id) {
$.ajax({
type: "GET",
url: "/products/" + id,
contentType: "application/json; charset=utf-8",
dataType: "json"
});
}
...
Using @include vs @extend in Sass?
... background-color: $main-color
border: 1px solid black
border-radius: 0.2em
&:hover, &:active
background-color: $active-color
a
+button
button
+button(pink, red)
Results in:
a {
background-color: lightgrey;
border: 1px solid black;
border-radius: 0.2em;
}
a:hover,...
Positioning MKMapView to show multiple annotations at once
I've got several annotations I want to add to my MKMapView (it could 0-n items, where n is generally around 5). I can add the annotations fine, but I want to resize the map to fit all annotations onscreen at once, and I'm not sure how to do this.
...
autolayout - make height of view relative to half superview height
...ttribute inspector:
Then you can adjust the multiplier. If you want it 50% of the super view leave it at 1, since it is aligned per the super's center. This is also a great way to create views that are other percentages too (like 25% of super view)
...
Why can't I assign a *Struct to an *Interface?
... |
edited May 23 '17 at 10:31
Community♦
111 silver badge
answered Nov 22 '12 at 11:31
...
Pull to refresh UITableView without UITableViewController
...ction: #selector(refresh(_:)), for: .valueChanged)
if #available(iOS 10.0, *) {
tableView.refreshControl = refreshControl
} else {
tableView.backgroundView = refreshControl
}
}
@objc func refresh(_ refreshControl: UIRefreshControl) {
// Do your job, when done:
r...
Numpy array assignment with copy
...
answered Oct 30 '13 at 7:59
BlckknghtBlckknght
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