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Are global variables in PHP considered bad practice? If so, why?
...m array ($obj, 'callbackMethod') in calls to preg_replace_callback()? (I know, I've fallen prey to this OOP pitfall...)
– grossvogel
Jul 1 '10 at 16:22
24
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How to identify server IP address in PHP
How can I identify the server IP address in PHP?
15 Answers
15
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How to create a multi-tenant database with shared table structures?
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How many prospective tenants do you expect to target? You may be nowhere
near being able to estimate
prospective use with authority, but
think in terms of orders of magnitude:
are you building an application for
hundreds of tenants? Thousands? Tens
of thousands? More? The large...
Check if a user has scrolled to the bottom
...he .scroll() event on window, like this:
$(window).scroll(function() {
if($(window).scrollTop() + $(window).height() == $(document).height()) {
alert("bottom!");
}
});
You can test it here, this takes the top scroll of the window, so how much it's scrolled down, adds the height of th...
Select mySQL based only on month and year
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If you have
$_POST['period'] = "2012-02";
First, find the first day of the month:
$first_day = $_POST['period'] . "-01"
Then this query will use an index on Date if you have one:
$q = "
SELECT *
FROM project...
binning data in python with scipy/numpy
...
@user: I don't know which one is faster for your data and parameters. Both of the methods should be faster than yours, and I'd expect the histogram() method to be faster for a big number of bins. But you'll have to profile yourself, I can'...
AngularJS Multiple ng-app within a page
...nce to the HTML element in order to bootstrap it, which means your code is now coupled to your HTML.
Secondly the association between the two is not as apparent. With ngApp you can clearly see what HTML is associated with what module and you know where to look for that information. But angular.boot...
Convert string to symbol-able in ruby
...from string to symbol), and .to_s can convert (from symbol to string). and if you are dealing with an array consider .map(&:to_sym) or .map(&to_s) to convert all elements.
– jasonleonhard
Nov 5 '15 at 22:22
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How do I test a private function or a class that has private methods, fields or inner classes?
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Useful if you don't know the API perhaps, but if you are having to test private methods in this manner there is something up with your design. As another poster says unit testing should test the class's contract: if the contract is too broad and ...
git diff two files on same branch, same commit
sorry if this question exists, I surprisingly could not find it :/
6 Answers
6
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