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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...
Get current AUTO_INCREMENT value for any table
...
You can get all of the table data by using this query:
SHOW TABLE STATUS FROM `DatabaseName` WHERE `name` LIKE 'TableName' ;
You can get exactly this information by using this query:
SELECT `AUTO_INCREMENT`
FROM INFORMATION_SCHEMA.T...
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, ...
Immutable array in Java
...xisting elements with List<> aslist = Arrays.asList(...); aslist.set(index, element), so java.util.Arrays.ArrayList certainly is not unmofiable, Q.E.D. Added the comment just for the sake of emphasizing the difference between the result of asList and normal ArrayList
– N...
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...
getMinutes() 0-9 - How to display two digit numbers?
...
(condition?true:false) in PHP you can omit the true statement (condition?:false) in JS you would then use (condition||false) Ternary operator en.wikipedia.org/wiki/Ternary_operation
– llange
Mar 16 '19 at 9:53
...
For loop for HTMLCollection elements
...inal question, you are using for/in incorrectly. In your code, key is the index. So, to get the value from the pseudo-array, you'd have to do list[key] and to get the id, you'd do list[key].id. But, you should not be doing this with for/in in the first place.
Summary (added in Dec 2018)
Do not ...
Squash the first two commits in Git? [duplicate]
...for_B>
Reset the branch pointer to the initial commit, but leaving the index and working tree intact:
git reset --soft <sha1_for_A>
Amend the initial tree using the tree from 'B':
git commit --amend
Temporarily tag this new initial commit (or you could remember the new commit sha1 manu...
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...
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...