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Using querySelectorAll to retrieve direct children
...iversally-implemented way to do "combinator rooted queries" (as John Resig called them) did not exist.
Now the :scope pseudo-class has been introduced. It is not supported on [pre-Chrominum] versions of Edge or IE, but has been supported by Safari for a few years already. Using that, your code coul...
How does the “this” keyword work?
... global object, window (§10.4.1.1).
2. Entering eval code
…by a direct call to eval()
ThisBinding is left unchanged; it is the same value as the ThisBinding of the calling execution context (§10.4.2 (2)(a)).
…if not by a direct call to eval()
ThisBinding is set to the global object as if exe...
How do I pass multiple parameters into a function in PowerShell?
...
Parameters in calls to functions in PowerShell (all versions) are space-separated, not comma separated. Also, the parentheses are entirely unneccessary and will cause a parse error in PowerShell 2.0 (or later) if Set-StrictMode is active. ...
How to use a link to call JavaScript?
How to use a link to call JavaScript code?
9 Answers
9
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How to keep onItemSelected from firing off on a newly instantiated Spinner?
...lection with no animation which causes the on item selected listener to be called. But the listener is null so nothing is run. Then your listener is assigned.
So follow this exact sequence:
Spinner s = (Spinner)Util.findViewById(view, R.id.sound, R.id.spinner);
s.setAdapter(adapter);
s.setSelect...
Trigger a button click with JavaScript on the Enter key in a text box
... This worked for me due to fact that the inline method, instead of calling function with similar code in it, allows you to return false on the call and avoid postback. In my case the "click" method invokes a __doPostback async call and without the "return false;" would just reload the page.
...
SQLAlchemy: What's the difference between flush() and commit()?
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A Session object is basically an ongoing transaction of changes to a database (update, insert, delete). These operations aren't persisted to the database until they are committed (if your program aborts for some reason in mid-session transaction, an...
How to check if a stored procedure exists before creating it
...ould do, but is not stored on the database side.
That's much like what is called anonymous procedure in PL/SQL.
Update:
Your question title is a little bit confusing.
If you only need to create a procedure if it not exists, then your code is just fine.
Here's what SSMS outputs in the create scr...
Android search with Fragments
...stFragment
implements OnQueryTextListener, LoaderManager.LoaderCallbacks<Cursor> {
// This is the Adapter being used to display the list's data.
SimpleCursorAdapter mAdapter;
// If non-null, this is the current filter the user has provided.
String ...
Automatically deleting related rows in Laravel (Eloquent ORM)
...t();
static::deleting(function($user) { // before delete() method call this
$user->photos()->delete();
// do the rest of the cleanup...
});
}
}
You should probably also put the whole thing inside a transaction, to ensure the referential integrit...