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mysqli or PDO - what are the pros and cons? [closed]
In our place we're split between using mysqli and PDO for stuff like prepared statements and transaction support. Some projects use one, some the other. There is little realistic likelihood of us ever moving to another RDBMS.
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Big-O for Eight Year Olds? [duplicate]
I'm asking more about what this means to my code. I understand the concepts mathematically, I just have a hard time wrapping my head around what they mean conceptually. For example, if one were to perform an O(1) operation on a data structure, I understand that the number of operations it has to p...
How do I prevent the modification of a private field in a class?
Imagine that I have this class:
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List of all special characters that need to be escaped in a regex
I am trying to create an application that matches a message template with a message that a user is trying to send. I am using Java regex for matching the message. The template/message may contain special characters.
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Asynchronous Process inside a javascript for loop [duplicate]
I am running an event loop of the following form:
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Getting activity from context in android
This one has me stumped.
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Are nested HTML comments possible?
as per the title; is it possible to have nested comments in valid HTML? see the example below...
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How do you use the ellipsis slicing syntax in Python?
This came up in Hidden features of Python , but I can't see good documentation or examples that explain how the feature works.
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How to style a div to be a responsive square? [duplicate]
I want my div to adapt its height to always equal its width. The width is percental. When the parent's width decreases, the box should decrease by keeping its aspect ratio.
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How to install a previous exact version of a NPM package?
I used nvm to download node v0.4.10 and installed npm to work with that version of node.
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