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Add xml attribute for property in DB First


Add xml attribute for property in DB First

By : prentashelly
Date : November 25 2020, 03:01 PM
To fix this issue You have to make the generated properties private in the properties window. Then you have to create new public properties that reference the private properties and add the attributes to them. In the properties window you can also rename your now private properties so that you can name your public properties like the original ones:
Generated code:
code :
public partial class Departments
{
    private string Name_DepartmentCore { get; set; }
    private int Department_IDCore { get; set; }
}
[Serializable]
[XmlType(nameof(Departments))]
public partial class Departments
{
    [XmlAttribute("Name_Department")]
    public string Name_Department {
        get => Name_DepartmentCore;
        set => Name_DepartmentCore = value;
    }
    [XmlAttribute("Department_ID")]
    public int Department_ID {
        get => Department_IDCore;
        set => Department_IDCore = value;
    }
}


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Why does adding a second attribute to a metaclass-property-closure mix change the first attribute?

Why does adding a second attribute to a metaclass-property-closure mix change the first attribute?


By : Valerie Plate
Date : March 29 2020, 07:55 AM
help you fix your problem The problem doesn't really have anything to do with metaclasses or properties per se. It has to do with how you're defining your get/set functions. Your fget and fset reference the variable pattern from the enclosing function. This creates a closure. The value of pattern will be looked up at the time fget/fset are called, not at the time they're defined. So when you overwrite pattern on the next loop iteration, you cause all fget/fset functions to now reference the new pattern.
Here's a simpler example that shows what's going on:
code :
def doIt(x):
    funs = []
    for key, val in x.iteritems():
        thingy = val + 1
        def func():
            return thingy
        funs.append(func)
    return funs

>>> dct = {'a': 1, 'b': 2, 'c': 3}
>>> funs = doIt(dct)
>>> for f in funs:
...     print f()

3
3
3
def fget(self, pattern=pattern):
    return getattr(self, pattern.attribute)
def fset(self, value, pattern=pattern):
    pattern.validate(value)
    return setattr(self, pattern.attribute, value)
How to add values to attribute added dynamically to property without attribute constructor(Reflection.Emit)

How to add values to attribute added dynamically to property without attribute constructor(Reflection.Emit)


By : emcs thai
Date : March 29 2020, 07:55 AM
it should still fix some issue I was able to add Attribute and pass it values by constructor. But how to pass values when Attribute do not have constructor with appropriate parameters to pass. e.g. How to add this DisplayAttribute using Reflection.Emit? , You use CustomAttributeBuilder. For example:
code :
var cab = new CustomAttributeBuilder(
    ctor, ctorArgs,
    props, propValues,
    fields, fieldValues
);
prop.SetCustomAttribute(cab);
var attribType = typeof(DisplayAttribute);
var cab = new CustomAttributeBuilder(
    attribType.GetConstructor(Type.EmptyTypes), // constructor selection
    new object[0], // constructor arguments - none
    new[] { // properties to assign to
        attribType.GetProperty("Order"),
        attribType.GetProperty("ResourceType"),
        attribType.GetProperty("Name"),
    },
    new object[] { // values for property assignment
        28,
        typeof(CommonResources),
        "DisplayComment"
    });
prop.SetCustomAttribute(cab);
XSL: Search for an element having an attribute equals to one property of the current attribute

XSL: Search for an element having an attribute equals to one property of the current attribute


By : user3332224
Date : March 29 2020, 07:55 AM
wish of those help Perhaps it would be better to use a key for this, especially if there are many different RandomNode elements that you want to use for the lookup. Also, no need for named templates or parameters.
XSLT Stylesheet
code :
<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

  <xsl:output method="xml" indent="yes"/>
  <xsl:strip-space elements="*"/>

  <xsl:key name="ref-id-to-id" match="RandomNode" use="@RefId"/>

  <xsl:template match="Item">
      <xsl:copy>
          <xsl:attribute name="Value">
              <xsl:value-of select="substring-after(@Value, ';')"/>
          </xsl:attribute>
          <xsl:attribute name="Provider-Id">
              <xsl:value-of select="key('ref-id-to-id',substring-before(@Value,';'))/Id"/>
          </xsl:attribute>
      </xsl:copy>
  </xsl:template>


    <xsl:template match="@* | node()">
        <xsl:copy>
            <xsl:apply-templates select="@* | node()"/>
        </xsl:copy>
    </xsl:template>

</xsl:stylesheet>
<?xml version="1.0" encoding="utf-8"?>
<RootConfig>
   <RandomNode RefId="519263a7-e01e-4cc8-911e-7660dca717bf">
      <Id>101010101010</Id>
   </RandomNode>
   <Item Value="bf139890-2f7c-4784-8041-68aa5fe7beb1" Provider-Id="101010101010"/>
   <Item Value="5fb8bea0-c79a-4a26-a532-4df59543bc5c" Provider-Id="101010101010"/>
   <Item Value="4f01116a-06f8-4af3-9f4a-87c658eb8008" Provider-Id="101010101010"/>
</RootConfig>
if json attribute value is duplicate, compare its another number property and set attribute biggerDuplicate

if json attribute value is duplicate, compare its another number property and set attribute biggerDuplicate


By : KPavan Kumar
Date : March 29 2020, 07:55 AM
I hope this helps . I would do this by adding your number as part of the sort. I assume it is colorID
Then create a temporary object that is a groupBy where name is used as keys and values are rrays of objects with that name.
code :
let sorted = names.sort(function(a, b) {
  // if names are same sort by colorId
  return a.name.localeCompare(b.name) || a.colorId > b.colorId
});

let tmp = sorted.reduce(function(a, c) {
  a[c.name] = a[c.name] || [];
  a[c.name].push(c);
  return a;
}, {});

Object.values(tmp).forEach(function(arr) {
  let len = arr.length,
    isDuplicate = len > 1;// if more than one in group they are all duplicates
  arr.forEach(function(o, i) {
    o.isDuplicate = isDuplicate;
    if (isDuplicate) {
      o.isBigger = i === len - 1;// already sorted by colorId so last one is biggest
    }
  });
});
console.log(sorted)
.as-console-wrapper {max-height: 100%!important;}
<script>
var names = [{
    "order": 1,
    "name": "a",
    "shortName": "a",    
    "categoryId": 15070,
    "colorId": 50
  }, {
    "order": 2,
    "name": "s",
    "shortName": "s",
    "categoryId": 15071,
    "colorId": 51
  }, {
    "order": 3,
    "name": "h",
    "shortName": "g",
    "focused": 1513262627570,   
    "categoryId": 15074,
    "colorId": 54
  }, {
    "order": 4,
    "name": "h",
    "shortName": "h",
    
    "categoryId": 15075,
    "colorId": 59
  }];
</script>
python property referring to property/attribute of member attribute?

python property referring to property/attribute of member attribute?


By : Balthazar
Date : March 29 2020, 07:55 AM
wish help you to fix your issue I find the question a bit unclear, however I try to explain some context.
code :
class A(object):
    def __init__(self):
        self.attribute = 1
        self.member = 2

class B(object):
    def __init__(self):
        self.member = A()

B().member.member  # returns 2
B().member.member = 10
b = B()
b.foo = 4  # define a new attribute on runtime
b.foo  # returns 4
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