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Can R read html-encoded emoji characters?
Question
My question, explained below, is how can R be used to read a string that includes HTML emoji codes like &#55358;&#56599;, and either (1) represent the emoji symbol (e.g., as a unicode symbol: 🤗) in the parsed string, or (2) convert it into its text equivalent (":hugging face:")?
Background
I have an XML dataset of text messages (from the Android/iOS app [Signal])(https://signal.org/) that I am reading into R for a text mining project. The data look like this, with each text message represented in an sms node:
```
<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>    <smses count="1">        <sms protocol="0" address="+15555555555" contact_name="Jane Doe" date="1483256850399" readable_date="Sat, 31 Dec 2016 23:47:30 PST" type="1" subject="null" body="Hug emoji: &#55358;&#56599;" toa="null" sc_toa="null" service_center="null" read="1" status="-1" locked="0" /></smses>
```
Problem
I am currently reading these data using the xml2 package for R. When I use the xml2::read_xml function, however, I get the following error message:
```
Error in doc_parse_raw(x, encoding = encoding, base_url = base_url, as_html = as_html,  :   xmlParseCharRef: invalid xmlChar value 55358
```
Which, as I understand, indicates that the emoji character is not recognized as valid XML.
Using the xml2::read_html function does work, but drops the emoji character. A small example of this is here:
```
example_text <- "Hugging emoji: &#55358;&#56599;"xml2::xml_text(xml2::read_html(paste0("<x>", example_text, "</x>")))
```
(Output: [1] "Hugging emoji: ")
This character is valid HTML -- Googling &#55358;&#56599; actually converts it in the search bar to the "hugging face" emoji, and brings up results relating to that emoji.
Other information I've found that seems relevant to this question
I've been searching Stack Overflow, and have not found any questions relating to this particular issue. I've also not been able to find a table that straightforwardly gives HTML codes next to the emoji they represent, and so am not able to do an (albeit inefficient) conversion of these HTML codes to their textual equivalents in a big loop before parsing the dataset; for example, neither this list nor its underlying dataset seem to include the string 55358.
display decode html in typescript
Im doing payment gateway, after user click proceed, I send required data and getting from the back-end an base64 encode string contain html to redirect to payment gateway page.
this is what I had tried:
```
base64 : PCFET0NUWVBFIGh0bWw+PGh0bWw+PGJvZHk+PGgxPk15IEZpcnN0IEhlYWRpbmc8L2gxPjxwPk15IGZpcnN0IHBhcmFncmFwaC48L3A+PC9ib2R5PjwvaHRtbD4=
```
after I decode in my ts file using :
```
const decodeHtml = window.atob(this.base64);
```
I got result like this :
```
<!DOCTYPE html><html><body><h1>My First Heading</h1><p>My first paragraph.</p></body></html>
```
How I can display this html on my project, binding to html file or pointing out to new url ?based on my finding, i can use innerHtml to bind this, but I am not sure if there are better practice to doing this and got non idea how to display this encode html file, any suggestion are welcomed.
How to modify from and to values in grafana

I am having troubles understanding how the following works
from=now-1h&to=1568789063000
but when I do
from=1568789063000-1h&to=1568789063000 it doesn't work.
I have tried doing it directly in the URL, doesn't work.
from=1568789063000-1h&to=1568789063000 and from=1568789063000-2h&to=1568789063000 shows me the same time range on the graph whereas
from=now-1h&to=1568789063000 and from=now-2h&to=1568789063000 shows me different time range in the graph.
Additionally, I also tried manipulating this by using the option Data link in the visualization where I tried using
from=${__value_time}-1h&to=${__value_time} and I don't plan to use __url_time_range becasue I want custom time range around one point.
Can please anyone explain what I am doing wrong or what am I missing?
HtmlEncode values bind unordered list as html code instead of left menu
Previous we are converting datatable to unordered list and bind that value to PlaceHolder as a string from c#.
Currently, we are in need to encode the string using System.Web.HttpUtility.HtmlEncode
after using this HTML encode left menu not showing its simple showing unordered list code in left side menu. without using Html encode left side menu bind correctly.
we tried with decode the same value but it's not working.
aspx page code
```
<aside class="main-sidebar">  <section class="sidebar">    <asp:PlaceHolder ID="ControlContainer" runat="server" />  </section></aside>
```
c# code
```
HtmlGenericControl ctrl = new HtmlGenericControl();ctrl.InnerHtml = System.Web.HttpUtility.HtmlEncode(GetXML(dt).ToString());ControlContainer.Controls.Add(ctrl);
```
menu bind correctly when below code used
```
ctrl.InnerHtml = GetXML(dt).ToString();
```
when use encode left side menu showing follwoing code
```
<ul class='sidebar-menu' data-widget='tree'><li class='treeview'><a href='#'><i class=' fa fa-th'></i>....
```
Server.HtmlDecode required to be used multiple times
I'm working with CKEditor. I save and display it's content in Literal control. Data gets saved as follows.
```
Server.HtmlEncode("..content...");
```
When i try to display this into literal control by decoding it displays following output.
```
Server.HtmlDecode(".....");
```
Output
```
<p><strong>content</strong></p>
```
So if i use decode again its giving me expected output as follows:
```
Server.HtmlDecode(Server.HtmlDecode("....."))
```
Output
content
Why multiple times HtmlDecode is required. Am i missing something?

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