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Detecting iOS / Android Operating system
...
You can also Achieve this with user agent on php:
$userAgent = strtolower($_SERVER['HTTP_USER_AGENT']);
if(stripos($userAgent,'android') !== false) { // && stripos($userAgent,'mobile') !== false) {
header('Location: http://oursite.com/download/yourApp.apk');...
What is the _snowman param in Ruby on Rails 3 forms for?
...characters). As a result, it's extremely common for Ruby applications (and PHP applications, etc. etc.) to exhibit this user-facing bug, and therefore extremely common for users to try to change the encoding as a palliative measure.
All that said, when I wrote this patch, I didn't realize that the ...
What is the most efficient/elegant way to parse a flat table into a tree?
...Closure Table in my presentation Models for Hierarchical Data with SQL and PHP and in my book SQL Antipatterns: Avoiding the Pitfalls of Database Programming.
CREATE TABLE ClosureTable (
ancestor_id INT NOT NULL REFERENCES FlatTable(id),
descendant_id INT NOT NULL REFERENCES FlatTable(id),
...
HTML-encoding lost when attribute read from input field
...his implementation of a replaceAll method:
http://dumpsite.com/forum/index.php?topic=4.msg29#msg29
(also referenced here: Fastest method to replace all instances of a character in a string)
Some performance results here:
http://jsperf.com/htmlencoderegex/25
It gives identical result string to the b...
How to run a shell script on a Unix console or Mac terminal?
...er from the same folder, still using #!hashbang in scripts.
As example a php7.2 executable copied from /usr/bin is in a folder along a hello script.
#!./php7.2
<?php
echo "Hello!";
To run it:
./hello
Which behave just as equal as:
./php7.2 hello
...
Submitting HTML form using Jquery AJAX
...PDATING/UPSERTING DATA, and DELETING DATA. A default HTML/ASP.Net webform/PHP/Python or any other form action is to "submit" which is a POST action. Because of this the below will all describe doing a POST. Sometimes however with http you might want a different action and would likely want to uti...
How to set the thumbnail image on HTML5 video?
...
<?php
$thumbs_dir = 'E:/xampp/htdocs/uploads/thumbs/';
$videos = array();
if (isset($_POST["name"])) {
if (!preg_match('/data:([^;]*);base64,(.*)/', $_POST['data'], $matches)) {
die("error");
}
$data = $matches[2];
$data ...
Force to open “Save As…” popup open at text link click for PDF in HTML
...e browser to download the file, modify the HTTP headers directly. Here's a PHP code example:
$path = "path/to/file.pdf";
$filename = "file.pdf";
header('Content-Transfer-Encoding: binary'); // For Gecko browsers mainly
header('Last-Modified: ' . gmdate('D, d M Y H:i:s', filemtime($path)) . ' GMT')...
How to break/exit from a each() function in JQuery? [duplicate]
...e;
+----------------------------------------+
| JavaScript | PHP |
+-------------------------+--------------+
| | |
| return false; | break; |
| | |
| return true; or return; | continue; ...
How do I append one string to another in Python?
...'t help at all when what I'm trying to do is the rough equivalent of, say, PHP/perl's "string .= verifydata()" or similar.
– Shadur
Feb 23 '16 at 8:42
...