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When to use self over $this?
...atic_member;
}
}
new X();
?>
Here is an example of polymorphism with $this for member functions:
<?php
class X {
function foo() {
echo 'X::foo()';
}
function bar() {
$this->foo();
}
}
class Y extends X {
function foo() {
echo 'Y::foo()';...
Simplest way to detect a mobile device in PHP
... the simplest way to tell if a user is using a mobile device to browse my site using PHP?
15 Answers
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How do I remove duplicate items from an array in Perl?
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edited Jun 21 '14 at 1:39
Miller
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In jQuery, how do I get the value of a radio button when they all have the same name?
...ur code, jQuery just looks for the first instance of an input with name q12_3, which in this case has a value of 1. You want an input with name q12_3 that is :checked.
$("#submit").click(() => {
const val = $('input[name=q12_3]:checked').val();
alert(val);
});
<script src="https:/...
Saving a Numpy array as an image
I have a matrix in the type of a Numpy array. How would I write it to disk it as an image? Any format works (png, jpeg, bmp...). One important constraint is that PIL is not present.
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Javascript “this” pointer within nested function
... the above examples the this object will be someThing.
Calling a function without a leading parent object will generally get you the global object which in most browsers means the window object.
share
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Make Bootstrap Popover Appear/Disappear on Hover instead of Click
I'm building a website with Bootstrap's Popover and I can't figure out how to make the popover appear on hover instead of click.
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Migrating from JSF 1.2 to JSF 2.0
I am working with a rather large app written in JSF 1.2 .
JSF 1.2 is around 6 years old now. I need to upgrade to JSF 2.0. How painful will this be? I noticed that some attributes in custom tags have been changed etc.
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Displaying better error message than “No JSON object could be decoded”
...dule is vague. For instance, for the case of having a comma after the last item in a list:
json.loads('[1,2,]')
....
ValueError: No JSON object could be decoded
which is not very descriptive. The same operation with simplejson:
simplejson.loads('[1,2,]')
...
simplejson.decoder.JSONDecodeError: E...
Converting Long to Date in Java returns 1970
I have list with long values (for example: 1220227200, 1220832000, 1221436800...) which I downloaded from web service. I must convert it to Dates. Unfortunately this way, for example:
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