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How to get a DOM Element from a JQuery Selector
...d to number them?
$(":checkbox").each(function(i, elem) {
$(elem).data("index", i);
});
$(":checkbox").click(function() {
if ($(this).is(":checked") && $(this).data("index") == 0) {
// do stuff
}
});
Some of these features also help mask differences in browsers too. Some attribu...
node.js remove file
...ar fs = require('fs');
var gutil = require('gulp-util');
fs.exists('./www/index.html', function(exists) {
if(exists) {
//Show in green
console.log(gutil.colors.green('File exists. Deleting now ...'));
fs.unlink('./www/index.html');
} else {
//Show in red
console.log(gutil.co...
Erasing elements from a vector
...
You can iterate using the index access,
To avoid O(n^2) complexity
you can use two indices, i - current testing index, j - index to
store next item and at the end of the cycle new size of the vector.
code:
void erase(std::vector<int>& v, ...
Pagination on a list using ng-repeat
...
how do I show Sno in the first column since I can't use $index and my array does not contain incremental values
– Dwigh
Sep 27 '18 at 10:40
...
How can I get every nth item from a List?
...e a loop means you don't have to iterate over every element (increment the index by N.)
– mqp
Mar 25 '09 at 17:41
I ag...
How can two strings be concatenated?
...','b'),'blah', c(1,2,3)) results in "a blah 1" "b blah 2" "a blah 3". Basically, it creates a vector of strings the same length as the longest vector that's passed in, and loops the other vectors/strings to the same length. Plenty of room for accidental behaviour there.
– naugh...
Android: show soft keyboard automatically when focus is on an EditText
...x using AlertDialog . The EditText inside the dialog itself is automatically focused when I call AlertDialog.show() , but the soft keyboard is not automatically shown.
...
Ternary operator in AngularJS templates
...ink reads much better:
<li ng-class="{myClass: $first, anotherClass: $index == 2}">...</li>
The first time through an ng-repeat loop, class myClass is added. The 3rd time through ($index starts at 0), class anotherClass is added.
ng-style takes an expression that must evaluate to a...
Selecting only first-level elements in jquery
...ctor 'topmost'.
jQuery.extend(jQuery.expr[':'], {
topmost: function (e, index, match, array) {
for (var i = 0; i < array.length; i++) {
if (array[i] !== false && $(e).parents().index(array[i]) >= 0) {
return false;
}
}
return true;
}
});
Utilizing...
Detecting which UIButton was pressed in a UITableView
...ventTouchUpInside];
Then in touch handler touch coordinate retrieved and index path is calculated from that coordinate:
- (void)checkButtonTapped:(id)sender
{
CGPoint buttonPosition = [sender convertPoint:CGPointZero toView:self.tableView];
NSIndexPath *indexPath = [self.tableView indexP...