大约有 6,888 项符合查询结果（耗时：0.0377秒） [XML]
Looping through array and removing items, without breaking for loop
...
The array is being re-indexed when you do a .splice(), which means you'll skip over an index when one is removed, and your cached .length is obsolete.
To fix it, you'd either need to decrement i after a .splice(), or simply iterate in reverse...
...
jQuery remove options from select
...n use the following jquery:
var select_object = purchasing_table.rows[row_index].cells[cell_index].childNodes[1];
$(select_object).find('option[value='+site_name+']').remove();
share
|
improve thi...
Android ViewPager with bottom dots
... Simplify to this: private void setDotSelection(int index) { dot1.setImageResource(index == 0 ? R.drawable.circle_selected : R.drawable.circle); dot2.setImageResource(index == 1 ? R.drawable.circle_selected : R.drawable.circle); ...
Is there a MySQL option/feature to track history of changes to records?
... the data table.
To do this sequencing behavior a two column (composite) index is created on the primary key column and revision column. Note that you can only do sequencing in this fashion if the engine used by the history table is MyISAM (See 'MyISAM Notes' on this page)
The history table is fa...
Thread-safe List property
...t<T> it does not guarantee ordering. Also you cannot access items by index.
– Radek Stromský
Mar 7 '13 at 13:56
12
...
How many Activities vs Fragments?
...ole new activity in which it is displayed.
*/
void showDetails(int index)
{
mCurCheckPosition = index;
if (mDualPane)
{
// We can display everything in-place with fragments, so update
// the list to highlight the selected item and show the...
How to reshape data from long to wide format
...ear "value" column. Try dat <- data.frame(id=c(1,1,2,2),blah=c(8,4,7,6),index=c(1,2,1,2)); dcast(dat, id ~ index); cast(dat, id ~ index) and you will not get what you expect. You need to explicitly note the value/value.var - cast(dat, id ~ index, value="blah") and dcast(dat, id ~ index, value.var...
Practical uses of git reset --soft?
...D, and generally the branch ref.
Question: what about the working tree and index?
When employed with --soft, moves HEAD, most often updating the branch ref, and only the HEAD.
This differ from commit --amend as:
it doesn't create a new commit.
it can actually move HEAD to any commit (as commit --a...
How long does it take for GitHub page to show changes after changing index.html
...824%2fhow-long-does-it-take-for-github-page-to-show-changes-after-changing-index-html%23new-answer', 'question_page');
}
);
Post as a guest
Name
...
Javascript Array.sort implementation?
...7 - 891
var QuickSort = function QuickSort(a, from, to) {
var third_index = 0;
while (true) {
// Insertion sort is faster for short arrays.
if (to - from <= 10) {
InsertionSort(a, from, to);
return;
}
if (to - from > 1000) {
third_inde...