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instantiate a class from a variable in PHP?

... sort of thing you'll see wrapped up in a Factory pattern. See Namespaces and dynamic language features for further details. share | improve this answer | follow ...
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reading from app.config file

I am trying to read StartingMonthColumn and CategoryHeadingColumn from the below app.config file using the code 8 Answers ...
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How to reload apache configuration for a site without restarting apache

... should be possible using the command sudo /etc/init.d/apache2 reload hope that helps share | improve this answer | follow ...
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How do you keep user.config settings across different assembly versions in .net?

... similar. Then, at application start you check to see if the flag is set and if it is, call the Upgrade method, set the flag to false and save your configuration. if (Settings.Default.UpgradeRequired) { Settings.Default.Upgrade(); Settings.Default.UpgradeRequired = false; Settings.Def...
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Jquery to change form action

I have two buttons in a form and two different pages have to be called when they are clicked. when button1 is clicked then page1 must be loaded and when button2 is clicked then page2 must be loaded. i know how to do this in javascript but i have no clue about how to do this in jquery.Can any one he...
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How to get the file extension in PHP? [duplicate]

... I kinda modified your code a little and made a function, in case someone wants to use a function. Here is the code:function getFileExtension($path) { $ext = pathinfo($path, PATHINFO_EXTENSION); return $ext; } – Amir Md Amiruzzama...
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what are the .map files used for in Bootstrap 3.x?

...ls lets you live-edit your preprocessor source files in the Sources panel, and view the results without having to leave DevTools or refresh the page. When you inspect an element whose styles are provided by a generated CSS file, the Elements panel displays a link to the original source file, not the...
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Best way to test if a row exists in a MySQL table

...ou could also try EXISTS: SELECT EXISTS(SELECT * FROM table1 WHERE ...) and per the documentation, you can SELECT anything. Traditionally, an EXISTS subquery starts with SELECT *, but it could begin with SELECT 5 or SELECT column1 or anything at all. MySQL ignores the SELECT list in such ...
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How can I list all foreign keys referencing a given table in SQL Server?

...me, that table's columns are returned. If pktable_owner is not specified and the current user does not own a table with the specified pktable_name, the procedure looks for a table with the specified pktable_name owned by the database owner. If one exists, that table's columns are returned. ...
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How to sort an array of objects by multiple fields?

... Update: Here is an "optimized" version. It does a lot more preprocessing and creates a comparison function for each sorting option beforehand. It might need more more memory (as it stores a function for each sorting option, but it should preform a bit better as it does not have to determine the co...