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How to trigger a file download when clicking an HTML button or JavaScript
...s like me that to set the Content-Disposition, all you have to do is: <?php header('Content-Disposition: attachment; filename="filename.here"'); ?>
– user124384
Jul 24 '15 at 15:08
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How to debug Lock wait timeout exceeded on MySQL?
...he process and the transaction is exactly in the example. The process is a PHP process. Transaction is a transaction as defined by innodb-trx-table. In my case, I had two PHP processes, in each I started a transaction manually. The interesting part was that even though I started one transaction in a...
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');...
Is there a MySQL command to convert a string to lowercase?
...case. Is there an easy command to do this, either using MySQL or MySQL and PHP?
9 Answers
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MySQL DROP all tables, ignoring foreign keys
...ed to make porting easier. In MySQL 5.5, they do nothing."
Therefore, in order for the drop statements to work if you need:
SET FOREIGN_KEY_CHECKS = 0
This will disable referential integrity checks - so when you are done performing the drops you need, you will want to reset key checking with
S...
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
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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 ...
How to sort a list in Scala by two fields?
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@SachinK: you have to create your own Ordering for Row class and use it with sorted method like this: rows.sorted(customOrdering). You could also use custom Ordering for Tuple2 like this: rows.sortBy(r => (r.lastName, r.firstName))( Ordering.Tuple2(Ordering.St...