大约有 40,000 项符合查询结果（耗时：0.0384秒） [XML]
When a 'blur' event occurs, how can I find out which element focus went *to*?
...= ev.explicitOriginalTarget||document.activeElement;
document.getElementById("focused").value =
target ? target.id||target.tagName||target : '';
}
...
<button id="btn1" onblur="showBlur(event)">Button 1</button>
<button id="btn2" onblur="showBlur(event)">Button 2</bu...
Flask-SQLalchemy update a row's information
...tself. Then, db.session.commit().
For example:
admin = User.query.filter_by(username='admin').first()
admin.email = 'my_new_email@example.com'
db.session.commit()
user = User.query.get(5)
user.name = 'New Name'
db.session.commit()
Flask-SQLAlchemy is based on SQLAlchemy, so be sure to check out...
Cannot delete or update a parent row: a foreign key constraint fails
...
I tried the solution mentioned by @Alino Manzi but it didn't work for me on the WordPress related tables using wpdb.
then I modified the code as below and it worked
SET FOREIGN_KEY_CHECKS=OFF; //disabling foreign key
//run the queries which are giving f...
ObservableCollection not noticing when Item in it changes (even with INotifyPropertyChanged)
...ollection is changed
}
}
Okay, that's twice today I've been bitten by the MSDN documentation being wrong. In the link I gave you it says:
Occurs when an item is added, removed,
changed, moved, or the entire list is
refreshed.
But it actually doesn't fire when an item is changed. I ...
Why does `a == b or c or d` always evaluate to True?
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
How to save an activity state using save instance state?
...ave your UI state somewhere else. Or preventing your app from being killed by overriding BACK button behavior. I don't understand why they even implemented it like this in the first place. Totally unintuitive. And you can't have that Bundle the system give you to save things into except in this very...
Parse query string into an array
...rings that include '+', like myemail+alias@gmail.com. These will be parsed by parse_str to a space. key=myemail alias@gmail.com.
– dudeman
Aug 26 '16 at 23:41
...
Difference between val() and text()
...ame" />
<input type="checkbox" name="vehicle" value="Bike" id="chk_byk" class="ss">bike<br>
<script type="text/javascript">
$(document).ready(function () {
$("#btn_submit").click(function () {
alert($("#chk_byk").val());
});
...
How do I get extra data from intent on Android?
...
You can get the intent which started your activity by calling getIntent() method. I've updated the answer.
– Malcolm
Nov 20 '10 at 17:09
...
MongoDB - Update objects in a document's array (nested updating)
...e :) But for Question#1, the problem is you should search for the document by "user_id", and not by "items.item_name". In this case I can not use the Positional Operator, as I haven't specified the array in the search query. Also I want both parts to be done in one shot. (if possible)
...