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Is there a way to add/remove several classes in one single instruction with classList?

So far I have to do this: 14 Answers 14 ...
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What does the comma operator , do?

What does the , operator do in C? 8 Answers 8 ...
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bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: lxml. Do you need

The above outputs on my Terminal. I am on Mac OS 10.7.x. I have Python 2.7.1, and followed this tutorial to get Beautiful Soup and lxml, which both installed successfully and work with a separate test file located here . In the Python script that causes this error, I have included this line: ...
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How do I resolve a HTTP 414 “Request URI too long” error?

I have developed a PHP web app. I am giving an option to the user to update multiple issues on one go. In doing so, sometimes the user is encountering this error. Is there any way to increase the lenght of URL in apache? ...
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When to use Common Table Expression (CTE)

I have begun reading about Common Table Expression and cannot think of a use case where I would need to use them. They would seem to be redundant as the same can be done with derived tables. Is there something I am missing or not understanding well? Can someone give me a simple example of limitati...
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How to properly create composite primary keys - MYSQL

Here is a gross oversimplification of an intense setup I am working with. table_1 and table_2 both have auto-increment surrogate primary keys as the ID. info is a table that contains information about both table_1 and table_2 . ...
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How to get the path of the batch script in Windows?

I know that %0 contains the full path of the batch script, e.g. c:\path\to\my\file\abc.bat 7 Answers ...
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Modify request parameter with servlet filter

An existing web application is running on Tomcat 4.1. There is an XSS issue with a page, but I can't modify the source. I've decided to write a servlet filter to sanitize the parameter before it is seen by the page. ...
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How do I execute a command and get the output of the command within C++ using POSIX?

I am looking for a way to get the output of a command when it is run from within a C++ program. I have looked at using the system() function, but that will just execute a command. Here's an example of what I'm looking for: ...
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How to pass a class type as a function parameter

I have a generic function that calls a web service and serialize the JSON response back to an object. 6 Answers ...