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Maximum size of an Array in Javascript
..., 7, 8];
if (longArray.length >= 6) {
longArray.length = 3;
}
alert(longArray); //1, 2, 3
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heroku - how to see all the logs
...me you can use one of the many logging add-ons that provide log retention, alerting and triggers.
Lastly, if you want to store the log files yourself you can setup your own syslog drain to receive the stream of events from Heroku and post-process/analyze yourself.
Summary: Don't use heroku console...
How to get value of selected radio button?
...could do something like this:
var form = document.getElementById("test");
alert(form.elements["test"].value);
The JSFiddle to prove it: http://jsfiddle.net/vjop5xtq/
Please note this was implemented in Firefox 33 (All other major browser seems to support it). Older browsers will require a polfyi...
jQuery trigger file input
...cument).ready(function() {
$('#myfile').change(function(evt) {
alert($(this).val());
});
});
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How to play an android notification sound
...'t want it to play as a media file, I want it to play as a notification or alert or ringtone. heres an example of what my code looks like right now:
...
How do I disable directory browsing?
...me directory as my web page but it is still giving me a directory browsing alert. Am I doing something wrong?
– Randy Gilman
Feb 12 '16 at 23:16
10
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Converting an object to a string
... as JSON.
var object = {};
object.first = "test";
object.second = "test2";
alert(object.toSource());
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Return positions of a regex match() in Javascript?
...
var str = 'my string here';
var index = str.match(/here/).index;
alert(index); // <- 10
I have successfully tested this all the way back to IE5.
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Adding two numbers concatenates them instead of calculating the sum
...
var x = parseInt(stringValueX, 10);
var y = parseInt(stringValueY, 10);
alert(x + y);
Hope this helps!
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View markdown files offline [closed]
... MarkdownPad seemed to go into mothballs a while back, so I (Disclosure alert: Yes, I made & sell this) made MarkUpDown, which isn't too shabby at $15. Should be GitHub Markdown friendly, and if it isn't, let me know how it isn't & I'll get it fixed.
– ruffin
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