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How do I implement basic “Long Polling”?
I can find lots of information on how Long Polling works (For example, this , and this ), but no simple examples of how to implement this in code.
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jQuery vs document.querySelectorAll
I heard several times that jQuery's strongest asset is the way it queries and manipulates elements in the DOM: you can use CSS queries to create complex queries that would be very hard to do in regular javascript .
However , as far as I know, you can achieve the same result with document.querySele...
Hiding elements in responsive layout?
Looking through bootstrap it looks like they support collapsing the menubar items for smaller screens. Is there something similar for other items on the page?
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Import PEM into Java Key Store
I am trying to connect to an SSL server which requires me to authenticate myself. In order to use SSL over Apache MINA I need a suitable JKS file. However, I have only been given a .PEM file.
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Postgres and Indexes on Foreign Keys and Primary Keys
Does Postgres automatically put indexes on Foreign Keys and Primary Keys? How can I tell? Is there a command that will return all indexes on a table?
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What is the difference between IEqualityComparer and IEquatable?
I want to understand the scenarios where IEqualityComparer<T> and IEquatable<T> should be used.
The MSDN documentation for both looks very similar.
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What's wrong with cplusplus.com?
This is perhaps not a perfectly suitable forum for this question, but let me give it a shot, at the risk of being moved away.
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Calling C++ class methods via a function pointer
How do I obtain a function pointer for a class member function, and later call that member function with a specific object? I’d like to write:
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Differences between distribute, distutils, setuptools and distutils2?
I’m trying to port an open-source library to Python 3. ( SymPy , if anyone is wondering.)
5 Answers
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How to store a list in a column of a database table
So, per Mehrdad's answer to a related question , I get it that a "proper" database table column doesn't store a list. Rather, you should create another table that effectively holds the elements of said list and then link to it directly or through a junction table. However, the type of list I wa...