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How to check whether dynamically attached event listener exists or not?
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I did something like that:
const element = document.getElementById('div');
if (element.getAttribute('listener') !== 'true') {
element.addEventListener('click', function (e) {
const elementClicked = e.target;
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How to create a new file together with missing parent directories?
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As of java7, you can also use NIO2 API:
void createFile() throws IOException {
Path fp = Paths.get("dir1/dir2/newfile.txt");
Files.createDirectories(fp.getParent());
Files.createFile(fp);
}
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Remove an Existing File from a Git Repo
...pull to another system it deletes the files physically on that system. Any idea what's going on there?
– biagidp
Oct 13 '11 at 21:08
2
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Unpivot with column name
...pivot
(
marks
for subject in (Maths, Science, English)
) u;
See SQL Fiddle with demo
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How to get a ListBox ItemTemplate to stretch horizontally the full width of the ListBox?
...ant to have the ListItems to extend with their orange background the full width of the Listbox.
6 Answers
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How to check if an array field contains a unique value or another array in MongoDB?
...here any INDEXING we can do on array's to stop duplicate? If yes, please guide how.
– Hitesh Joshi
Sep 29 '12 at 8:56
1
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Difference between Ctrl+Shift+F and Ctrl+I in Eclipse
...RL + SHIFT + F format all code that is format tabs/whitespaces and also divide code lines in a way that it is visible without horizontal scroll.
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Where is the 'tests output pane'?
... I only get One or more errors occurred.
– Ohad Schneider
Dec 4 '16 at 11:59
In the main menu of VS, choose View > ...
Calculate text width with JavaScript
I'd like to use JavaScript to calculate the width of a string. Is this possible without having to use a monospace typeface?
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WPF Command Line
... won't automatically instantiate your main window and show it.
Next, override the OnStartup method in your App class to perform the logic:
protected override void OnStartup(StartupEventArgs e)
{
base.OnStartup(e);
if ( /* test command-line params */ )
{
/* do stuff without a G...