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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...
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
// "...
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 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
$.ajax({
url : document.location.protocol + '//ajax.googleapis.com/ajax/services/feed/load?v=1.0&num=10&cal...
How do I use variables in Oracle SQL Developer?
...ues. As Alex points out, you can also do something similar using the "Run Script" function (F5) with the alternate EXEC syntax Alex suggests does.
variable v_count number;
variable v_emp_id number;
exec :v_emp_id := 1234;
exec select count(1) into :v_count from emp;
select *
from emp
where empn...
bash/fish command to print absolute path to a file
...
I used this method to define log filenames for scripts: LOG=$(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 */
...
img tag displays wrong orientation
...pic03.jpg" width="200" alt="Cat 1" id="campic" class="camview">
<script type="text/javascript" src="exif.js"></script>
<script type="text/javascript" src="rotate.js"></script>
</body>
</html>
rotate.js:
window.onload=getExif;
var newimg = documen...
How to reset radiobuttons in jQuery so that none is checked
...
@Noldorin "Truthy" and "falsy" are the terms many Javascript experts use, including Brendan Eich and Douglass Crockford. The key term is falsy since boolean evaluations are defined by the 6 falsy values. Truthy is the logical name for the opposite of falsy. I think the use of fa...