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How do I get the height and width of the Android Navigation Bar programmatically?
...ces resources = context.getResources();
int resourceId = resources.getIdentifier("navigation_bar_height", "dimen", "android");
if (resourceId > 0) {
return resources.getDimensionPixelSize(resourceId);
}
return 0;
sha...
Making a div vertically scrollable using CSS
...ese two:
auto - This value will look at the width and height of the box. If they are defined, it won't let the box expand past those boundaries. Instead (if the content exceeds those boundaries), it will create a scrollbar for either boundary (or both) that exceeds its length.
scroll - This values...
Jquery: how to trigger click event on pressing enter key
......
$('#txtSearchProdAssign').keypress(function (e) {
var key = e.which;
if(key == 13) // the enter key code
{
$('input[name = butAssignProd]').click();
return false;
}
});
$(function() {
$('input[name="butAssignProd"]').click(function() {
alert('Hello...!');
});
...
What happens if a Android Service is started multiple times?
If I have the following code:
4 Answers
4
...
How large should my recv buffer be when calling recv in the socket library
...uffer passed to recv()?
SOCK_STREAM: It doesn't really matter too much. If your protocol is a transactional / interactive one just pick a size that can hold the largest individual message / command you would reasonably expect (3000 is likely fine). If your protocol is transferring bulk data, the...
UIScrollView not scrolling
...s always good to show a complete working code snippet:
// in viewDidLoad (if using Autolayout check note below):
UIScrollView *myScrollView;
UIView *contentView;
// scrollview won't scroll unless content size explicitly set
[myScrollView addSubview:contentView];//if the contentView is not already...
When to use “ON UPDATE CASCADE”
...
It's true that if your primary key is just a identity value auto incremented, you would have no real use for ON UPDATE CASCADE.
However, let's say that your primary key is a 10 digit UPC bar code and because of expansion, you need to chang...
From ND to 1D arrays
... 3, 4, 5, 6])
Note that ravel() returns a view of a when possible. So modifying b also modifies a. ravel() returns a view when the 1D elements are contiguous in memory, but would return a copy if, for example, a were made from slicing another array using a non-unit step size (e.g. a = x[::2]).
If...
Requests — how to tell if you're getting a 404
...
Look at the r.status_code attribute:
if r.status_code == 404:
# A 404 was issued.
Demo:
>>> import requests
>>> r = requests.get('http://httpbin.org/status/404')
>>> r.status_code
404
If you want requests to raise an exception...
How do I check for nulls in an '==' operator overload without infinite recursion?
...e(foo1 == foo2);
public static bool operator ==(Foo foo1, Foo foo2) {
if (object.ReferenceEquals(null, foo1))
return object.ReferenceEquals(null, foo2);
return foo1.Equals(foo2);
}
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