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Remove item from List<T>


By : user3850995
Date : October 18 2020, 11:12 AM
Hope this helps LINQ is not intended to be used for in-place changes to collections. Use old-school Remove / RemoveAll:
code :


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On click of anchor inside list item, list item will remove


By : iahboy
Date : March 29 2020, 07:55 AM
wish helps you Firstly, your links are not showing up in the first place as you did not set the href attribute. This must be set on a link, if your links effects come from javascript, set it to #.
Secondly, your javascript is completely wrong, here is what your page should look like.
code :
<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
    <script>
        function f(a) {
            $('#k_'+a).remove();
        }
    </script> 
</head>
<body>
    <ul> 
    <li id="k_1"><a id="1" href="#" onclick="f(this.id);">Click1</a></li> 
    <li id="k_2"><a id="2" href="#" onclick="f(this.id);">Click2</a></li> 
    <li id="k_3"><a id="3" href="#" onclick="f(this.id);">Click3</a></li> 
    </ul>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
</head>
<body>
    <ul id="thelist"> 
    <li id="k_1"><a id="1" href="#">Click1</a></li> 
    <li id="k_2"><a id="2" href="#">Click2</a></li> 
    <li id="k_3"><a id="3" href="#">Click3</a></li> 
    </ul>

    <script>
        $("#thelist li").click(function () {
            $(this).remove();
        });
    </script> 
</body>
</html>

Python 2.7 - Remove item from list y without removing that same item from the list x that it was created from


By : Javar
Date : March 29 2020, 07:55 AM
help you fix your problem In python I have a list variable. I then create a new variable and equal it to the first list variable. I want to be able to remove an item from the second variable without affecting the first. My code below is an example of what I am trying to do
code :
x = [0,1,2,3,4,5,6,7,8,9,10]
y=x.copy()
y.remove(4)
print (x)
print (y)
>>> 
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
[0, 1, 2, 3, 5, 6, 7, 8, 9, 10]
>>> 
x = [0,1,2,3,4,5,6,7,8,9,10]
y=list(x)
y.remove(4)
print (x)
print(y)
>>> 
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
[0, 1, 2, 3, 5, 6, 7, 8, 9, 10]
>>> 

Select item from a drop down list, remove item from list as a value then update a total


By : kyohess
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further I am trying to use asp.net and C# I want to create a variable that has a given value of 10. lets call this variable pool I then want to be able to select a number between 1 and 10 from a dropdownlist. , Is it that hard?
The explanation as per the code comment below
code :
<asp:ScriptManager ID="sm" runat="server"></asp:ScriptManager>
<asp:UpdatePanel ID="up" runat="server" UpdateMode="Conditional">
    <ContentTemplate>
        My Pool : <asp:Label ID="lbl" runat="server" Text="10"></asp:Label><br />
        <asp:HiddenField ID="hf" runat="server" Value="10" />
        <asp:DropDownList ID="ddl" runat="server" AutoPostBack="true" OnSelectedIndexChanged="ddl_SelectedIndexChanged"></asp:DropDownList>
    </ContentTemplate>
    <Triggers>
        <asp:AsyncPostBackTrigger ControlID="ddl" />
    </Triggers>
</asp:UpdatePanel>
protected void Page_Load(object sender, EventArgs e)
{
    // Check
    if (!IsPostBack)
    {
        // Variable
        DataTable dt = new DataTable();
        dt.Columns.Add("Count");

        // Loop
        for (int i = 0; i < 11; i++)
            dt.Rows.Add(i);

        // Bind to Drop Down
        ddl.DataSource = dt;
        ddl.DataTextField = "Count";
        ddl.DataValueField = "Count";
        ddl.DataBind();

        // Dispose
        dt.Dispose();
    }
}


protected void ddl_SelectedIndexChanged(object sender, EventArgs e)
{
    // Variable
    int myPool = 0;
    int mySelectedValue = 0;
    int result = 0;
    int dropDownValue = 0;
    bool isInteger = false;

    // Parse Integer
    int.TryParse(hf.Value, out myPool);
    int.TryParse(ddl.SelectedValue, out mySelectedValue);

    // Set Result
    result = myPool - mySelectedValue;

    // Set to Hidden Value
    hf.Value = result + "";
    lbl.Text = result + "";

    foreach (ListItem item in ddl.Items)
    {
        // Reset
        isInteger = false;
        dropDownValue = 0;

        // Parse Drop Down Value
        isInteger = int.TryParse(item.Value, out dropDownValue);

        // Check
        if (isInteger)
        {
            // Ensure is not less than 0, If less than 0 disabled the selected value
            if ((result - dropDownValue) < 0)
                item.Enabled = false;
        }
    }
}

jQuery remove item from sortable list AND update list of item ID's left


By : john smith
Date : March 29 2020, 07:55 AM
will help you Here is an example of how to do this: https://jsfiddle.net/Twisty/5afo47k1/7/
code :
jQuery(document).ready(function($) {

  $("ul.layers-multi-image-list").sortable({
    placeholder: "ui-state-highlight",
    update: function(event, ui) {
      var ordering = $.map($("> li img", this), function(el) {
        return el.id
      }).join(",");
      $('.image_ids').val(ordering);
    }
  });

  $('ul.layers-multi-image-list').disableSelection();

  $("ul.layers-multi-image-list").on('click', '.layers-multi-image-remove', function() {
    var imgId = $(this).parent().find("img").attr("id");
    console.log("Removing:", imgId);
    $(this).parent().remove();
    var curList = $('.image_ids').val();
    var st = curList.indexOf(imgId);
    if (st) {
      var end = st + imgId.length;
      console.log("Start: ", st, " End: ", end);
      newList = curList.substring(0, st-1);
      newList += curList.substring(end);
      console.log(newList);
      $('.image_ids').val(newList);
    }
  });
});
var curList = $('.image_ids').val(); // The current List
var st = curList.indexOf(imgId); // Find if needle is in the list
if (st) { // It is, let's remove it, or do nothing
  var end = st + imgId.length; // 4 numbers in ID
  var newList = curList.substring(0, st-1); // Grab the text before
  newList += curList.substring(end); Ammend the text after
  $('.image_ids').val(newList); // Put it back in the text box
}
$("ul.layers-multi-image-list").on('click', '.layers-multi-image-remove', function() {
    var imgId = $(this).parent().find("img").attr("id");
    var curList = $('.image_ids').val();
    console.log("Removing:", imgId, " From: ", curList);
    $(this).parent().remove();
    var st = curList.indexOf(imgId);
    if (st >= 0) {
      var end = st + imgId.length;
      console.log("Start: ", st, " End: ", end);
      var newList = "";
      if (st > 0) {
        newList += curList.substring(0, st - 1);
        newList += curList.substring(end);
      } else {
        newList += curList.substring(end + 1);
      }
      console.log(newList);
      $('.image_ids').val(newList);
    }
  });

How do I remove punctuation from an item in a list and save it as a separate item in the list?


By : jasser
Date : March 29 2020, 07:55 AM
I hope this helps you . I am trying to compress items from one list to another list and I need to be able to save punctuation as separate items in the list because if I don't, "you" and "you;" are saved as separate items in the list. , You can implement with regex.
code :
import re
a = ['Ask', 'not', 'what', 'your', 'country', 'can', 'do', 'for', 'you;', 'ask', 'what', 'you', 'can', 'do', 'for', 'your', 'country!', 'This', 'is', 'a', 'quote', 'from', 'JFK', 'who', 'is', 'a', 'former', 'American', 'President.']
result = re.findall(r"[\w']+|[.,!?;]",' '.join(a))
['Ask', 'not', 'what', 'your', 'country', 'can', 'do', 'for', 'you', ';', 'ask', 'what', 'you', 'can', 'do', 'for', 'your', 'country', '!', 'This', 'is', 'a', 'quote', 'from', 'JFK', 'who', 'is', 'a', 'former', 'American', 'President', '.']
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