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How can I convert an image into Base64 string using JavaScript?
...on firefox 35 on some images, the base64 is different from the base64 that php creates on the same image.
– hanshenrik
Mar 6 '15 at 2:39
1
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Send POST data using XMLHttpRequest
...s on how to do this.
var http = new XMLHttpRequest();
var url = 'get_data.php';
var params = 'orem=ipsum&name=binny';
http.open('POST', url, true);
//Send the proper header information along with the request
http.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
http.onre...
Storing time-series data, relational or non?
...able is instantaneous).
Your table has one serious impediment. Given your description, the actual PK is (Device, Metric, DateTime). (Please don't call it TimeStamp, that means something else, but that is a minor issue.) The uniqueness of the row is identified by:
(Device, Metric, DateTime)
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How to get jQuery dropdown value onchange event
...
Add try this code .. Its working grt.......
<body>
<?php
if (isset($_POST['nav'])) {
header("Location: $_POST[nav]");
}
?>
<form id="page-changer" action="" method="post">
<select name="nav">
<option value="">Go to page...</option...
How to get error information when HttpWebRequest.GetResponse() fails
... it's response. Occasionally, I get a 500 (or at least 5##) error, but no description. I have control over both endpoints and would like the receiving end to get a little bit more information. For example, I would like to pass the exception message from server to client. Is this possible using H...
System.Threading.Timer in C# it seems to be not working. It runs very fast every 3 second
...this is a strict requirement or not (not entirely clear from the problem's description).
– Marco Mp
Oct 9 '12 at 9:26
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Syntax behind sorted(key=lambda: …)
... does in the context of sorted() quite nicely, however I still feel like a description that leads to an intuitive understanding is lacking, so here is my two cents.
For the sake of completeness, I'll state the obvious up front: sorted() returns a list of sorted elements and if we want to sort in a...
What is a message pump?
...ications will break if they are run without any UI.
Wikipedia has a basic description.
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First-time database design: am I overengineering? [closed]
...) or inactive (no sessions remaining). By more clarity, do you mean a more descriptive name for the col? E.g. enrolment_status? Thanks for your input.
– bob esponja
Feb 23 '10 at 19:24
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Make an HTTP request with android
...nswer, is there a way to make an simple HTTP request? I want to request an PHP page / script on one of my website but I don't want to show the webpage.
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