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How to delete object using AJAX properly?


How to delete object using AJAX properly?

By : Ethan
Date : November 22 2020, 09:00 AM
around this issue How should I do it? I've built a function and it works but I still getting some errors. What am i doing wrong? I am newbie in AJAX, so please don't be to hard for me :D , First you have a bug here
code :
json.dumps({"nothing to see here"})
json.dumps({"result": "nothing to see here"})
$('.fa-trash').click(function () {
    var curr = $(this);
    delete_post(curr);
});
$('.fa-trash').click(function (e) {
    e.preventDefault();
    var curr = $(this);
    delete_post(curr);
});


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How to properly delete object from array?

How to properly delete object from array?


By : pradeep
Date : March 29 2020, 07:55 AM
it fixes the issue Instead of trying to modify an array in place, which is messy and error prone, just create a new array using filter and assign it back to the original:
code :
myArray = myArray.filter(function(item) {
    return item.name !== name
});
Delete using ajax not working properly in django

Delete using ajax not working properly in django


By : Srivasanthan
Date : March 29 2020, 07:55 AM
help you fix your problem Now finally got the answer,delete list wasn't working because of id issues as there were multiple form of same id.Here is updated html.
code :
<form method="post" id="form_id" action="/post/">
 {% csrf_token %} 
{{form.as_p}}

<input type="submit" value="submit"/>
</form>

<ul class="todo-div">
{% for i in todo %}
<form method="POST" action="/delete/{{i.id}}/" id="{{i.id}}">
{% csrf_token %}
<li>{{i.title}}
<br/>
Created at {{i.added}} 
<br/>Last updated {{i.updated}}</li> 
<input type ="submit" value="delete" class="deletebutton" onclick=delete_form({{i.id}})>
<br/><br/>
</form>
{% endfor %}
</ul>
<script src="https://code.jquery.com/jquery-1.11.3.min.js"></script>
<script>

  $("#form_id").submit(function(e)
  {

      e.preventDefault();
      $.ajax({
             data:$(this).serialize(),
             type:$(this).attr('method'),
             url:$(this).attr('action'),
             dataType:'json',
             success:function(json)
              {
              alert("List added Successfully");
              var jsonData=$.parseJSON(json);
              var content="";
              console.log(jsonData)
                for(i=0;i<jsonData.length;i++)
                {
                  var id=jsonData[i].pk;
                  var title = jsonData[i].fields.title;
                  var added = jsonData[i].fields.added;
                  var updated = jsonData[i].fields.updated;
                  content +="<form method='POST' action='/delete/" +id + "/' id="+id+">{% csrf_token %}<li><br/>"+title+"<br/>Created at"+ added  +"<br/>Last updated"+updated +"</li><input type ='submit' onclick=delete_form("+id+") class='deletebutton' value='delete'></form>";
                }

                 $(".todo-div").empty().append(content);
              },
            error:function(e,x,r)
             {
              console.log(e); 
             },
        });
  } );

</script>
<script>

  function delete_form(id){
  var id=id;
  var ele = document.getElementById(id)
  //var form = $(ele).serialize()
  //alert(form);
$(ele).submit(function(e)
  {

     event.preventDefault();

      $.ajax({
             data:$(ele).serialize(),
             type:$(ele).attr('method'),
             url:$(ele).attr('action'),
             dataType:'json',
             success:function(json)
              {
              alert("List removed Successfully");
              $(".todo-div").empty();
              var jsonData=$.parseJSON(json);
              var content="";
                for(i=0;i<jsonData.length;i++)
                {
                  var id=jsonData[i].pk;
                  var title = jsonData[i].fields.title;
                  var added = jsonData[i].fields.added;
                  var updated = jsonData[i].fields.updated;
                  content +="<form method='POST' action='/delete/" +id + "/' id="+id+">{% csrf_token %}<li><br/>"+title+"<br/>Created at"+ added  +"<br/>Last updated"+updated +"</li><input type ='submit' onclick=delete_form("+id+") class='deletebutton' value='delete'></form>";
                }

                 $(".todo-div").append(content);
              },
            error:function(e,x,r)
             {
              console.log(e); 
             },
        });
  });
  }
</script>
How to properly delete everything from QContainer<Object*>

How to properly delete everything from QContainer<Object*>


By : Xtar Dom
Date : March 29 2020, 07:55 AM
I hope this helps . If you insist on using an owning QList, you should derive from it and make a custom container that manages the object lifetime the way you expect it to. Manual resource management is a bug waiting to happen. Avoid it.
Regarding your alternatives:
code :
qDeleteAll(container);
container.clear();
while (!container.isEmpty())
   container.removeLast();
while (!container.isEmpty())
   delete container.takeLast();
std::list<MyObject> objects;
objects.emplace_back(...);
...
How to retrieve event id properly from button and use for delete Ajax Request

How to retrieve event id properly from button and use for delete Ajax Request


By : Venkatesh S
Date : March 29 2020, 07:55 AM
should help you out I am displaying a simple table populated data from an API. The table functions with post/put/delete/edit requests. The DELETE request is sometimes successful and sometimes it isn't. From the console output, I am pressing the delete button multiple times and then it works. I believe the component has not rendered completely and "event.target.id" value is not available to the DOM when the axios call is made. , You could try the following:
code :
handleSubmit = id => event => {
        event.preventDefault();
        console.log(event)

        apiClient.delete(`contacts/${id}`)
onClick={this.handleSubmit(contact.id)}
handleSubmit = id => event => {
        event.preventDefault();
        this.setState({contactData: data.filter(c=>c.id!==id)});
How to properly delete s3 object using s3 sdk

How to properly delete s3 object using s3 sdk


By : ting
Date : March 29 2020, 07:55 AM
it should still fix some issue Folders do not exist in Amazon S3.
Amazon S3 is a flat object store. It does not store files within folders/directories. However, files can be stored with a filename ('Key') that includes slashes, eg images/cat.jpg. This gives the illusion of directories, but doesn't actually create the directory.
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