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Event listener for when element becomes visible?
...erval(poll);
} else {
previous_style = current_style;
}
}, 100);
The DOM standard also specifies mutation events, but I've never had the chance to use them, and I'm not sure how well they're supported. You'd use them like this:
target.addEventListener('DOMAttrModified', function()...
Preferred order of writing latitude & longitude tuples in GIS services
...imed the Prime Meridian by using Greenwich as 000deg for their maps. After 100 years of their use, the Prime Meridian was accepted internationally, in 1884.
In Christopher Columbus time Latitude was the only number they had. The strategy was to traverse a parallel before turning left or right for ...
How to get current time with jQuery
...
+100
You may try like this:
new Date($.now());
Also using Javascript you can do like this:
var dt = new Date();
var time = dt.ge...
Preferred Java way to ping an HTTP URL for availability
...on.getResponseCode();
if (responseCode != 200) {
// Not OK.
}
// < 100 is undetermined.
// 1nn is informal (shouldn't happen on a GET/HEAD)
// 2nn is success
// 3nn is redirect
// 4nn is client error
// 5nn is server error
For more detail about response status codes see RFC 2616 section 10...
Keep overflow div scrolled to bottom unless user scrolls up
... updateScroll(), or set a timer:
//once a second
setInterval(updateScroll,1000);
if you want to update ONLY if the user didn't move:
var scrolled = false;
function updateScroll(){
if(!scrolled){
var element = document.getElementById("yourDivID");
element.scrollTop = element.s...
What is the difference between jQuery: text() and html() ?
...~3x faster than .html().
pure JS' .nodeValue is ~50x faster than .html(), ~100x than .text(), and ~20x than .innerHTML.
PS: .textContent property was introduced with DOM-Level-3, .nodeValue is DOM-Level-2 and is faster (!).
See this complete benchmark:
// Using jQuery:
simplecron.restart(); for (va...
WPF text Wrap vs WrapWithOverflow
...he comments, here's some examples of how Wrap treats spaces. When Width is 100, Wrap and WrapWithOverflow are identical. Wrap treats the space between wider and example as a line-break opportunity, so example is put on a new line to preserve the entire, continuous word.
...
Are static fields inherited?
...};
int A::MaxHP = 23;
class Cat: A
{
public:
static const int MaxHP = 100;
};
works fine and with different values for A::MaxHP and Cat::MaxHP -- in this case the subclass is "not inheriting" the static from the base class, since, so to speak, it's "hiding" it with its own homonymous one.
...
Java client certificates over HTTPS/SSL
...
100
Finally solved it ;). Got a strong hint here (Gandalfs answer touched a bit on it as well). Th...
Difference between Dictionary and Hashtable [duplicate]
...()
{
Hashtable objHashTable = new Hashtable();
objHashTable.Add(1, 100); // int
objHashTable.Add(2.99, 200); // float
objHashTable.Add('A', 300); // char
objHashTable.Add("4", 400); // string
lblDisplay1.Text = objHashTable[1].ToString();
lblDisplay2.Text = objHashT...