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How to use Jackson to deserialise an array of objects
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First create a mapper :
import com.fasterxml.jackson.databind.ObjectMapper;// in play 2.3
ObjectMapper mapper = new ObjectMapper();
As Array:
MyClass[] myObjects = mapper.readValue(json, MyClass[].class);
As List:
List<MyClass> myObjects = mapp...
Getting the difference between two repositories
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See http://git.or.cz/gitwiki/GitTips, section "How to compare two local repositories" in "General".
In short you are using GIT_ALTERNATE_OBJECT_DIRECTORIES environment variable to have access to object database of the other re...
Center image using text-align center?
...<div style="border: 1px solid black;">
<img class="center" src ="https://cdn.sstatic.net/Sites/stackoverflow/company/img/logos/so/so-icon.png?v=c78bd457575a">
</div>
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Proper MIME media type for PDF files
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Not the answer you're looking for? Browse other questions tagged pdf http-headers content-type mime or ask your own question.
How do I tell Spring Boot which main class to use for the executable jar?
...e main class to start by executing java -jar -->
<start-class>com.mycorp.starter.HelloWorldApplication</start-class>
</properties>
or
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId&g...
Log to the base 2 in python
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http://en.wikipedia.org/wiki/Binary_logarithm
def lg(x, tol=1e-13):
res = 0.0
# Integer part
while x<1:
res -= 1
x *= 2
while x>=2:
res += 1
x /= 2
# Fractional part
fp = 1.0
while fp>...
Replace transparency in PNG images with white background
...channel.
-alpha remove -alpha off (not needed with JPG)
See documention: http://www.imagemagick.org/Usage/masking/#remove
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How to find all links / pages on a website
...k = substr($content, $spos, $epos - $spos);
if (strpos($link, 'http://') !== false) $links[] = $link;
}
}
return $links;
}
try this code....
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COM对象IWebBrowser2,IHTMLDocument2,IHTMLWindow2,IHTMLElement 相互获取 ...
COM对象IWebBrowser2,IHTMLDocument2,IHTMLWindow2,IHTMLElement 相互获取IE(控件 接口)中主要有4个部分, Browser, Document, Frame IFrame, Element , 其对应接口分别是Browser - IWebBrowser2Documen...IE(控件/接口)中主要有4个部分, Browser, Document, Frame/IFrame, Element ,...
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