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Hibernate - Batch update returned unexpected row count from update: 0 actual row count: 0 expected:
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The solution is to use select for update when fetching the record to lock the row, so nothing else can delete it before you do.
– Matthew Read
May 19 '19 at 15:02
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Objective-C Split()?
...hat are AGES old and have established answers... Not to mention yours just selects the first element which makes no sense.
– Christian Stewart
Dec 22 '14 at 5:22
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SQL: How to get the count of each distinct value in a column?
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SELECT
category,
COUNT(*) AS `num`
FROM
posts
GROUP BY
category
share
|
improve this answer
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CSS selector for other than the first child and last child
I am making a very advanced website. My question: Is it possible to select all the other children except for the :first-child and the :last-child ? I know there is a :not() selector but it doesn't work with more than one not in the parentheses. This is what I have:
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How to check if the user can go back in browser history or not
... if the 'beforeunload' fired.
var $window = $(window),
$trigger = $('.select_your_link'),
fallback = 'your_fallback_url';
hasHistory = false;
$window.on('beforeunload', function(){
hasHistory = true;
});
$trigger.on('click', function(){
window.history.go(-1);
setTimeout(...
How to write :hover condition for a:before and a:after?
...t comes after the pseudo-class (and in fact, at the very end of the entire selector). Notice also that they are two different things; calling them both "pseudo-selectors" is going to confuse you once you run into syntax problems such as this one.
If you're writing CSS3, you can denote a pseudo-eleme...
How can I override Bootstrap CSS styles?
...yles in the future. That leaves us with CSS priorities.
Basically, every selector has its own numerical 'weight':
100 points for IDs
10 points for classes and pseudo-classes
1 point for tag selectors and pseudo-elements
Note: If the element has inline styling that automatically wins (1000 points...
retrieve links from web page using python and BeautifulSoup [closed]
...re anything not purely Python isn't allowed.
lxml.html also supports CSS3 selectors so this sort of thing is trivial.
An example with lxml and xpath would look like this:
import urllib
import lxml.html
connection = urllib.urlopen('http://www.nytimes.com')
dom = lxml.html.fromstring(connection.r...
Get $_POST from multiple checkboxes
...e of echo(ing) one check_list[] checkbox? (And would it be similar for two selected?) Thanks.
– James Andrew
Feb 14 '11 at 21:09
2
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invalid_grant trying to get oAuth token from google
...le Google will give you a "Client ID" and an "Email address" (assuming you select "webapp" as your client type). And despite Google's misleading naming conventions, they expect you to send the "Email address" as the value of the client_id parameter when you access their OAuth2 API's.
This applie...