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What's the difference between :: (double colon) and -> (arrow) in PHP?
....
This means that -> is mostly used to access instance members (though it can also be used to access static members, such usage is discouraged), while :: is usually used to access static members (though in a few special cases, it's used to access instance members).
In general, :: is used for sc...
How can I pad a value with leading zeros?
...inted out, this solution is "clever", and as
clever solutions often are, it's memory intensive and relatively
slow. If performance is a concern for you, don't use this solution!
Potentially outdated: ECMAScript 2017 includes String.prototype.padStart and Number.prototype.toLocaleString is t...
Remove Safari/Chrome textinput/textarea glow
I am wondering if its possible to remove the default blue and yellow glow when I click on a text input / text area using CSS?
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How to clear jQuery validation error messages?
...using the jQuery validation plugin for client side validation.
Function editUser() is called on click of 'Edit User' button, which displays error messages.
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How to change color of SVG image using CSS (jQuery SVG image replacement)?
This is a self Q&A of a handy piece of code I came up with.
17 Answers
17
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How can I get query string values in JavaScript?
...here a plugin-less way of retrieving query string values via jQuery (or without)?
73 Answers
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Creating a JSON response using Django and Python
...erver side Ajax response script into a Django HttpResponse, but apparently it's not working.
15 Answers
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SQL SELECT speed int vs varchar
I'm in the process of creating a table and it made me wonder.
9 Answers
9
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Change column type from string to float in Pandas
...options for converting types in pandas:
to_numeric() - provides functionality to safely convert non-numeric types (e.g. strings) to a suitable numeric type. (See also to_datetime() and to_timedelta().)
astype() - convert (almost) any type to (almost) any other type (even if it's not necessarily se...
Are Stored Procedures more efficient, in general, than inline statements on modern RDBMS's? [duplica
...e DBMS!) may operate
contrary to this, so you'll want to
double-check with your target DBMS
before assuming all of this still holds.
I've been a Sybase ASE, MySQL, and SQL Server DBA on-and off since for almost a decade (along with application development in C, PHP, PL/SQL, C#.NET, and Ru...