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What is difference between XML Schema and DTD?
... XML schema and DTD (document type definition), and why the XML schema is more powerful compared to DTD.
12 Answers
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What is the difference between Amazon S3 and Amazon EC2 instance?
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An EC2 instance is like a remote computer running Windows or Linux and on which you can install whatever software you want, including a Web server running PHP code and a database server.
Amazon S3 is just a storage service, typically used to store large binary files. Amazon also ha...
How do I log errors and warnings into a file?
How do I turn on all error and warnings and log them to a file, but to set up all of that within the script (not changing anything in php.ini)?
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Difference between binary tree and binary search tree
...ch node has up to two leaves
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Binary search tree: Used for searching. A binary tree where the left child contains only nodes with values less than the parent node, and where the right child only contains nodes with values greater than or equal to the parent.
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What is the preferred syntax for defining enums in JavaScript?
What is the preferred syntax for defining enums in JavaScript? Something like:
48 Answers
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Adding div element to body or document in JavaScript
I am creating a light box in pure JavaScript. For that I am making an overlay. I want to add this overlay to body but I also want to keep the content on the page. My current code adds the overlay div but it also removes the current contents in body. How to add div element and keep contents on body?...
Benchmarking (python vs. c++ using BLAS) and (numpy)
...extensive use of BLAS and LAPACK linear algebra functionalities. Since performance is an issue I did some benchmarking and would like know, if the approach I took is legitimate.
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what happens when you type in a URL in browser [closed]
...imple HTTP server on the other end, and no problems in any step. This is, for most contemporary intents and purposes, an unrealistic scenario; all of these are far more complex in actual use, and the tech stack has become an order of magnitude more complicated since this was written. With this in mi...
PHP server on local machine?
...out uploading them to my host. Basically testing them on my own machine before I upload them. How do I do that?
13 Answers
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Center a 'div' in the middle of the screen, even when the page is scrolled up or down?
...ead that this is not the most responsive solution (but a perfect solution for the problem above). Check getbootstrap.com/javascript/#modals and look with your DevTools to get some nice ideas about working with your popups/modals.
– Cas Bloem
Jun 13 '14 at 9:02
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