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Difference between an API and SDK

... Piece of cake: an API is an interface. It's like the specification of the telephone system or the electrical wiring in your house. Anything* can use it as long as it knows how to interface. You can even buy off-the-shelf software to use a particul...
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What data is stored in Ephemeral Storage of Amazon EC2 instance?

... Anything that is not stored on an EBS volume that is mounted to the instance will be lost. For example, if you mount your EBS volume at /mystuff, then anything not in /mystuff will be lost. If you don't mount an ebs volume and save stu...
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How to check if a line is blank using regex

I am trying to make simple regex that will check if a line is blank or not. 7 Answers ...
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Is there a better way to do optional function parameters in JavaScript? [duplicate]

I've always handled optional parameters in JavaScript like this: 28 Answers 28 ...
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What is a user agent stylesheet?

I'm working on a web page in Google Chrome. It displays correctly with the following styles. 13 Answers ...
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Row count with PDO

There are many conflicting statements around. What is the best way to get the row count using PDO in PHP? Before using PDO, I just simply used mysql_num_rows . ...
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What is “assert” in JavaScript?

... There is no assert in JavaScript (yet; there's talk of adding one, but it's at an early stage). Perhaps you're using some library that provides one. The usual meaning is to throw an error if the expression passed into the function ...
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Simple explanation of MapReduce?

... Going all the way down to the basics for Map and Reduce. Map is a function which "transforms" items in some kind of list to another kind of item and put them back in the same kind of list. suppose I have a list of numbers: [1,2,3] and I want to double every number, in this case, the f...
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How to run code when a class is subclassed? [duplicate]

Is there a way to trigger code when my class is subclassed? 2 Answers 2 ...
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round() for float in C++

... share | improve this answer | follow | answered Jun 19 '12 at 13:23 schibumschibum ...