How to update an entity with an element-collection of type Map<String,String>?

How to update an entity with an element-collection of type Map<String,String>?

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How to update an entity with an element-collection of type Map<String,String>?
Tag : java , By : KT.
Date : November 23 2020, 04:01 AM

should help you out It appears I had two problems with similar symptoms.
First, I was missing the element map-key-column from under element-collection, so Spring couldn't construct the update query correctly. This was fixed by changing the element like this:
<element-collection name="paramsMap" fetch="EAGER">
  <map-key-column name="my_entity_params_key"/>
  <collection-table name="my_entity_params">
    <join-column name="id" />

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WPF string collection binding, need to convert to an element type

Tag : wpf , By : CodeOfficer
Date : March 29 2020, 07:55 AM
I wish this helpful for you Take a look at this answer WPF optical style of dynamically created MenuItem-Separator in MVVM
and this blog post: http://www.zagstudio.com/blog/440#.UJ2_lofaW_w

Not able to update an entity of type string in azure table storage to null

Tag : chash , By : user185939
Date : March 29 2020, 07:55 AM
I wish this help you Try using the following SaveChanges() and provide ReplaceOnUpdate as the SaveChangesOption. Something like:
        user.PictureUri = null;
        tableServiceContext.AttachTo(TableNames.User, user);

how to set a default value to element in a collection of type [String]?

Tag : meteor , By : Imran
Date : March 29 2020, 07:55 AM
help you fix your problem use optional: true in the schema if the value is optional, and it will pass check if it is empty.

MongoDB, convert element data type from numeric string to number for a large collection (3kk)

Tag : json , By : user157654
Date : March 29 2020, 07:55 AM
will help you The best and fast solution is to use mongodb aggregation with $out operator.
Equivalent to:
insert into new_table
select * from old_table
    NUMBER : {$toInt:"$NUMBER"}
  {$out: "SurName2"}

symfony 4 string instead of UploadedFile in form collection entity with file type create

Tag : development , By : LUK
Date : March 29 2020, 07:55 AM
Does that help I had the same issue and solved it by removing the type casting in the getFile() and setFile() in the entity. I suppose this is located in your Document entity.
Look for:
public function getFile(): ?string
    return $this->file;

public function setFile(string $file): self
    $this->file = $file;

    return $this;
public function getFile()
    return $this->file;

public function setFile($file): self
    $this->file = $file;

    return $this;
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