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No @XmlRootElement generated by JAXB
...at others have already stated or hinted at, the rules by which JAXB XJC decides whether or not to put the @XmlRootElement annotation on a generated class are non trivial (see this article).
@XmlRootElement exists because the JAXB runtime requires certain information in order to marshal/unmarshal a ...
Reconnection of Client when server reboots in WebSocket
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You should add "ws = null;" before setTimeout() to avoid multiply ws objects and eventHandligs
– Max
Oct 3 '16 at 15:32
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Prevent unit tests but allow integration tests in Maven
...re surefire (but not failsafe) as follows:
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.14</version>
<configuration>
<!-- skips surefire tests without skipping failsafe tests.
Property value seems to m...
Is there a simple, elegant way to define singletons? [duplicate]
...on in use of your API. I would still just put methods in a module, and consider the module as the singleton.
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BLE（二）信道&数据包&协议栈格式 - 创客硬件开发 - 清泛IT社区，...
...BLUETOOTH SPECIFICATION Version 4.0 [Vol 6] Part B 2.4）
LLID（逻辑链路ID）：0x01表示该数据包是一个帧的延续内容，或者这是一个空的“逻辑链路控制及适配协议”数据包；0x02表示一个“逻辑链路控制及适配协议”数据包的开始...
Two sets of parentheses after function call
...lowing way: let add = (x) => (y) => x + y;
– guido
Nov 19 '15 at 8:14
2
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Database Structure for Tree Data Structure
...ik Ben-Gann has a good overview of the most common options in his book "Inside Microsoft SQL Server 2005: T-SQL Querying".
The main things to consider when choosing a model are:
1) Frequency of structure change - how frequently does the actual structure of the tree change. Some models provide bett...
How to write a:hover in inline CSS?
...swer: you can't.
Long answer: you shouldn't.
Give it a class name or an id and use stylesheets to apply the style.
:hover is a pseudo-selector and, for CSS, only has meaning within the style sheet. There isn't any inline-style equivalent (as it isn't defining the selection criteria).
Response ...
How to trigger jQuery change event in code
... something like:
$(document).ready(function() {
$("#yourInitialElementID").change(function() {
// Do something here...
$(".yourDropDownClass").change();
});
});
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Handling specific errors in JavaScript (think exceptions)
... "Exception thrown and not caught" error. Following is the exceedingly stupid (as always) explanation from msdn: "You included a throw statement, but it was not enclosed within a try block, or there was no associated catch block to trap the error. Exceptions are thrown from within the try block usin...