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What's the point of JAXB 2's ObjectFactory classes?
..., so the create* methods do the hard work for you. Example (from the XHTML 1.1 schema):
@XmlElementDecl(namespace = "http://www.w3.org/1999/xhtml", name = "style", scope = XhtmlHeadType.class)
public JAXBElement<XhtmlStyleType> createXhtmlHeadTypeStyle(XhtmlStyleType value) {
return new J...
What is the most efficient/elegant way to parse a flat table into a tree?
...dcrumbs |
+------------+-------------+
| Node 1 | 1 |
| Node 1.1 | 1,2 |
| Node 1.1.1 | 1,2,4 |
| Node 1.2 | 1,6 |
+------------+-------------+
A user suggested an edit today. SO moderators approved the edit, but I am reversing it.
The edit suggested that...
Redirecting from HTTP to HTTPS with PHP
...ps://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
header('HTTP/1.1 301 Moved Permanently');
header('Location: ' . $location);
exit;
}
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ByteArray字节数组扩展 · App Inventor 2 中文网
...
版本
更新内容
1.0 (2021-04-02)
初始版本
1.1 (2021-05-21)
修复ReadWord、ReadDWord和ToHex的错误
1.2 (2021-12-13)
ToString方法调用了JAVA 8的函数
1.3 (2022-05...
what’s the difference between Expires and Cache-Control headers?
...
Cache-Control was introduced in HTTP/1.1 and offers more options than Expires. They can be used to accomplish the same thing but the data value for Expires is an HTTP date whereas Cache-Control max-age lets you specify a relative amount of time so you could spe...
Should you choose the MONEY or DECIMAL(x,y) datatypes in SQL Server?
...meric(38,22)
declare @num2 numeric(38,22)
set @num1 = .0000006
set @num2 = 1.0
select @num1 * @num2 * 1000000
1.000000 <- Should be 0.6000000
The money types are integers
The text representations of smallmoney and decimal(10,4) may look alike, but that doesn't make them interchangeable. D...
How to change the port of Tomcat from 8080 to 80?
...l file
<Connector connectionTimeout="20000" port="8080" protocol="HTTP/1.1" redirectPort="8443"/>
3) Change the port=8080 value to port=80
4) Save file.
5) Stop your Tomcat and restart it.
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Are SVG parameters such as 'xmlns' and 'version' needed?
...rce Identifiers (RFC3987)
2 Since HTML5
3 Extensible Markup Language (XML) 1.0
4 Probably until the release of further major versions.
5 SVG 2, W3C Candidate Recommendation, 07 August 2018
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Why are these numbers not equal?
...uently find that exact matches fail.
while R lies slightly when you say:
1.1-0.2
#[1] 0.9
0.9
#[1] 0.9
You can find out what it really thinks in decimal:
sprintf("%.54f",1.1-0.2)
#[1] "0.900000000000000133226762955018784850835800170898437500"
sprintf("%.54f",0.9)
#[1] "0.90000000000000002220446...
Is a Python dictionary an example of a hash table?
.... By brute experimentation I found this hash collision:
>>> hash(1.1)
2040142438
>>> hash(4504.1)
2040142438
Yet it doesn't break the dictionary:
>>> d = { 1.1: 'a', 4504.1: 'b' }
>>> d[1.1]
'a'
>>> d[4504.1]
'b'
Sanity check:
>>> for k,v ...