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Why is Spring's ApplicationContext.getBean considered bad?
... respond that calling Spring's ApplicationContext.getBean() should be avoided as much as possible. Why is that?
14 Ans...
Get selected text from a drop-down list (select box) using jQuery
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$("#yourdropdownid option:selected").text();
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Using current time in UTC as default value in PostgreSQL
...rentheses around the default expression:
create temporary table test(
id int,
ts timestamp without time zone default (now() at time zone 'utc')
);
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javascript scroll event for iPhone/iPad?
...d all the time now, while panning, and after panning, while decelerating. did something change ?
– commonpike
Apr 21 '15 at 21:18
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What is the opposite of evt.preventDefault();
...ger preventing it.
Otherwise I'm inclined to point you to the answers provided by another comments and answers:
How to unbind a listener that is calling event.preventDefault() (using jQuery)?
How to reenable event.preventDefault?
Note that the second one has been accepted with an example solutio...
App Inventor 2 MQTT拓展入门（保姆级教程） · App Inventor 2 中文网
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配置和App一样的连接参数：
其中，Client ID的获取方法如下：
往指定主题发布一个测试消息，效果如下：
App设计及代码
服务器地址：bemfa.com
端口：9501
客户端ID：（MQTT云控制...
Tooltips for cells in HTML table (no Javascript)
...much more control over the behavior of the comment/tooltip. Since the provided demo does not include a table, as per the question, here is a demo that includes a table.
Note that the "position" style for the parent element of the span (a in this case), must be set to "relative" so that the comm...
Get characters after last / in url
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Very simply:
$id = substr($url, strrpos($url, '/') + 1);
strrpos gets the position of the last occurrence of the slash; substr returns everything after that position.
As mentioned by redanimalwar if there is no slash this doesn't work...
Make Bootstrap Popover Appear/Disappear on Hover instead of Click
...ne.
This can be done using either data-* attributes in the markup:
<a id="popover" data-trigger="hover">Popover</a>
Or with an initialization option:
$("#popover").popover({ trigger: "hover" });
Here's a DEMO.
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Django REST framework: non-model serializer
...nd need your advice. I am developing a web service. The service has to provide REST interface to other services. The REST interface, which I need to implement, is not working with my models directly (I mean the get, put, post, delete operations). Instead, it provides other services with some calcula...