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What is the most accurate way to retrieve a user's correct IP address in PHP?
I know there are a plethora of $_SERVER variables headers available for IP address retrieval. I was wondering if there is a general consensus as to how to most accurately retrieve a user's real IP address (well knowing no method is perfect) using said variables?
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How do I integrate Ajax with Django applications?
I am new to Django and pretty new to Ajax. I am working on a project where I need to integrate the two. I believe that I understand the principles behind them both, but have not found a good explanation of the two together.
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Visual Studio Solutions Folder as real Folders
I have a Visual Studio Solution. Currently, it is an empty solution (=no projects) and I have added a few solution folders.
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Adding a new SQL column with a default value
I am looking for the syntax to add a column to a MySQL database with a default value of 0
10 Answers
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What did MongoDB not being ACID compliant before v4 really mean?
I am not a database expert and have no formal computer science background, so bear with me. I want to know the kinds of real world negative things that can happen if you use an old MongoDB version prior to v4 , which were not ACID compliant. This applies to any ACID noncompliant database.
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Constructor of an abstract class in C#
Why is it possible to write constructor for an abstract class in C#?
As far as I know we can't instantiate an abstract class.. so what is it for?
You can't instantiate the class, right?
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Good Hash Function for Strings
I'm trying to think up a good hash function for strings. And I was thinking it might be a good idea to sum up the unicode values for the first five characters in the string (assuming it has five, otherwise stop where it ends). Would that be a good idea, or is it a bad one?
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jQuery disable a link
Anyone know how to disable a link in jquery WITHOUT using return false; ?
17 Answers
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How to check if a string is a valid JSON string in JavaScript without using Try/Catch
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Changing every value in a hash in Ruby
I want to change every value in a hash so as to add '%' before and after the value so
11 Answers
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