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How to check that a string is an int, but not a double, etc.?
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185
How about using ctype_digit?
From the manual:
<?php
$strings = array('1820.20', '10002', ...
MySQL COUNT DISTINCT
..., site_id As site
From cp_visits
Where ts >= DATE_SUB(NOW(), INTERVAL 1 DAY)
Group By site_id
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TypeError: Illegal Invocation on console.log.apply
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Get the client IP address using PHP [duplicate]
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edited Feb 17 '16 at 7:46
Cheok Yan Cheng
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Python try…except comma vs 'as' in except
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The definitive document is PEP-3110: Catching Exceptions
Summary:
In Python 3.x, using as is required to assign an exception to a variable.
In Python 2.6+, use the as syntax, since it is far less ambiguous and forward compatible with Python 3.x.
In Pytho...
How to find Array length inside the Handlebar templates?
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187
My Bad....
{{array.length}} actually worked inside the template. Should have checked/tested i...
Trouble comparing time with RSpec
I am using Ruby on Rails 4 and the rspec-rails gem 2.14. For a my object I would like to compare the current time with the updated_at object attribute after a controller action run, but I am in trouble since the spec does not pass. That is, given the following is the spec code:
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Difference between variable declaration syntaxes in Javascript (including global variables)?
...l terms they're not usually big ones.
There's a fourth way, and as of ES2015 (ES6) there's two more. I've added the fourth way at the end, but inserted the ES2015 ways after #1 (you'll see why), so we have:
var a = 0; // 1
let a = 0; // 1.1 (new with ES2015)
const a = 0; // 1.2 (new with...
Difference between Python's Generators and Iterators
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Programmatically register a broadcast receiver
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