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Cannot find a tag with JSsoup even though the tag exists in Node JS


Cannot find a tag with JSsoup even though the tag exists in Node JS

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Cannot find a tag with JSsoup even though the tag exists in Node JS
Tag : javascript , By : quasarkitten
Date : November 29 2020, 04:01 AM

To fix this issue As one can see in the source, it is expecting that any string to be matched is provided as the 3rd argument to .find, thus:
let sizetag = soup.find('title', undefined, '9');

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xpath find if node exists


Tag : xslt , By : UnKnownUser
Date : March 29 2020, 07:55 AM
help you fix your problem Using a xpath query how do you find if a node (tag) exists at all?
<xsl:if test="xpath-expression">...</xsl:if>
<xsl:if test="/html/body">body node exists</xsl:if>
<xsl:if test="not(/html/body)">body node missing</xsl:if>

xpath find if node exists using PHP


Tag : php , By : Cowtung
Date : March 29 2020, 07:55 AM
To fix this issue DOMNode::getNodePath does exactly that, so try echo $node->getNodePath().

SQL : Find if XML node exists


Tag : sql , By : gopal
Date : March 29 2020, 07:55 AM
should help you out Skip the use of an XML variable and put the exist in the where clause when you query the table.
select F.Value
from XML_FILES as F
where F.Value.exist('/ArrayOfArrayOfSelectColumn/SelectColumn[@Name eq "Hello World"]') = 1
select F.Value
from XML_FILES as F
where cast(F.Value as xml).exist('/ArrayOfArrayOfSelectColumn/SelectColumn[@Name eq "Hello World"]') = 1

How to find node exists in JSON


Tag : json , By : John R
Date : March 29 2020, 07:55 AM

Find if a node exists in XStream api


Tag : java , By : Matt Croydon
Date : March 29 2020, 07:55 AM
seems to work fine If I understand correctly, you want to check in CConverter whether B node already exists in hierarchy. If the structure is as above that's always is true. Marshalling process starts from the root object and goes into internal properties. So, to write C node first B must exist.
Assume you have simple POJO structure like below:
class A {
    public B b = new B();
}

class B {
    public C c = new C();
}

class C {

}
class AConverter implements Converter {

    public boolean canConvert(Class clazz) {
        return clazz.equals(A.class);
    }

    public void marshal(Object value, HierarchicalStreamWriter writer, MarshallingContext context) {
        System.out.println("Marshalling A!");
        A a = (A) value;
        if (a.b != null) {
            writer.startNode("B");
            context.convertAnother(a.b);
            writer.endNode();
        }
    }

    public Object unmarshal(HierarchicalStreamReader reader, UnmarshallingContext context) {
        throw new NotImplementedException();
    }
}

class BConverter implements Converter {

    public boolean canConvert(Class clazz) {
        return clazz.equals(B.class);
    }

    public void marshal(Object value, HierarchicalStreamWriter writer, MarshallingContext context) {
        System.out.println("Marshalling B!");
        B b = (B) value;
        if (b.c != null) {
            writer.startNode("C");
            context.convertAnother(b.c);
            writer.endNode();
        }
    }

    public Object unmarshal(HierarchicalStreamReader reader, UnmarshallingContext context) {
        throw new NotImplementedException();
    }
}
import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.converters.Converter;
import com.thoughtworks.xstream.converters.MarshallingContext;
import com.thoughtworks.xstream.converters.UnmarshallingContext;
import com.thoughtworks.xstream.io.HierarchicalStreamReader;
import com.thoughtworks.xstream.io.HierarchicalStreamWriter;
import sun.reflect.generics.reflectiveObjects.NotImplementedException;

public class XStreamApp {
    public static void main(String[] args) {
        XStream xStream = new XStream();
        xStream.registerConverter(new AConverter());
        xStream.registerConverter(new BConverter());
        xStream.alias("A", A.class);

        System.out.println(xStream.toXML(new A()));
    }
}
Marshalling A!
Marshalling B!
<A>
  <B>
    <C/>
  </B>
</A>
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