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How to parse an RSS feed using JavaScript?
...le.log("author : " + el.find("author").text());
console.log("description: " + el.find("description").text());
});
});
With jQuery and the Google AJAX Feed API
$.ajax({
url : document.location.protocol + '//ajax.googleapis.com/ajax/services/feed/load?v=1.0&num=10&cal...
How to detect my browser version and operating system using JavaScript?
... +'navigator.userAgent = '+navigator.userAgent+'<br>'
)
Source JavaScript: browser name.
See JSFiddle to detect Browser Details.
Detecting OS:
// This script sets OSName variable as follows:
// "Windows" for all versions of Windows
// "MacOS" for all versions of Macintosh OS
// "...
ElasticSearch: Unassigned Shards, how to fix?
...
This little bash script will brute force reassign, you may lose data.
NODE="YOUR NODE NAME"
IFS=$'\n'
for line in $(curl -s 'localhost:9200/_cat/shards' | fgrep UNASSIGNED); do
INDEX=$(echo $line | (awk '{print $1}'))
SHARD=$(echo $line ...
How to use the 'main' parameter in package.json?
...ge
folder.
For most modules, it makes the most sense to have a main script and
often not much else.
To put it short:
You only need a main parameter in your package.json if the entry point to your package differs from index.js in its root folder. For example, people often put the entry p...
changing source on html5 video tag
... with an empty source tag, but it would always generate a failure on a javascript debug console. Now I know I can hold off on adding a 'source' until the user selects one. Till now, I didn't understand I needed to make the use CreateElement() to make a source, and then use appendChild() to add it to...
How do I use variables in Oracle SQL Developer?
...ues. As Alex points out, you can also do something similar using the "Run Script" function (F5) with the alternate EXEC syntax Alex suggests does.
variable v_count number;
variable v_emp_id number;
exec :v_emp_id := 1234;
exec select count(1) into :v_count from emp;
select *
from emp
where empn...
bash/fish command to print absolute path to a file
...
I used this method to define log filenames for scripts: LOG=$(echo $(cd $(dirname $0); pwd)/$(basename $0 .sh).log)
– DrStrangepork
Sep 12 '14 at 13:53
...
Get the distance between two geo points
...e for all comparisons).
For more info see: http://www.movable-type.co.uk/scripts/latlong.html
There is a nice reference implementation of the Haversine formula in several languages at: http://www.codecodex.com/wiki/Calculate_Distance_Between_Two_Points_on_a_Globe
...
Responsively change div size keeping aspect ratio [duplicate]
...
You can do this using pure CSS; no JavaScript needed. This utilizes the (somewhat counterintuitive) fact that padding-top percentages are relative to the containing block's width. Here's an example:
.wrapper {
width: 50%;
/* whatever width you want */
...
How can I remove or replace SVG content?
I have a piece of JavaScript code which creates (using D3.js) an svg element which contains a chart. I want to update the chart based on new data coming from a web service using AJAX, the problem is that each time I click on the update button, it generates a new svg , so I want to remove the old ...