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Refresh image with a new one at the same url
... + new Date().getTime();
This will append the current timestamp automatically when you are creating the image, and it will make the browser look again for the image instead of retrieving the one in the cache.
share
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AngularJS passing data to $http.get request
...imply add the parameters to the end of the url:
$http.get('path/to/script.php?param=hello').success(function(data) {
alert(data);
});
Paired with script.php:
<? var_dump($_GET); ?>
Resulting in the following javascript alert:
array(1) {
["param"]=>
string(4) "hello"
}...
Download multiple files as a zip-file using php
How can I download multiple files as a zip-file using php?
4 Answers
4
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json_encode sparse PHP array as JSON array, not JSON object
...at is, if its keys are 0, 1, 2, 3, ...
You can reindex your array sequentially using the array_values function to get the behaviour you want. For example, the code below works successfully in your use case:
echo json_encode(array_values($input)).
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Remove non-numeric characters (except periods and commas) from a string
...
You could use preg_replace to swap out all non-numeric characters and the comma and period/full stop as follows:
$testString = '12.322,11T';
echo preg_replace('/[^0-9,.]+/', '', $testString);
The pattern can also be expressed as /[^\d,.]+/
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JavaScript pattern for multiple constructors
...mber and types of parameters you pass to it, you'll have to sniff them manually. JavaScript will happily call a function with more or fewer than the declared number of arguments.
function foo(a, b) {
if (b===undefined) // parameter was omitted in call
b= 'some default value';
if (t...
How do you use the “WITH” clause in MySQL?
I am converting all my SQL Server queries to MySQL and my queries that have WITH in them are all failing. Here's an example:
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Compare floats in php
I want to compare two floats in PHP, like in this sample code:
16 Answers
16
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How to get file_get_contents() to work with HTTPS?
...following code worked fine when I was using the test server (which wasn't calling an SSL URL), but now when I am testing it on the working server with HTTPS, it's failing with the error message "failed to open stream".
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A numeric string as array key in PHP
Is it possible to use a numeric string like "123" as a key in a PHP array, without it being converted to an integer?
11 A...