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What are the underlying data structures used for Redis?
...every Redis operation you'll find the time complexity in the documentation and, if you have the set of operations and the time complexity, the only other thing you need is some clue about memory usage (and because we do many optimizations that may vary depending on data, the best way to get these la...
How expensive is the lock statement?
I've been experimenting with multi threading and parallel processing and I needed a counter to do some basic counting and statistic analysis of the speed of the processing. To avoid problems with concurrent use of my class I've used a lock statement on a private variable in my class:
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What is the difference between the OAuth Authorization Code and Implicit workflows? When to use each
...horization Code flow there are 2 steps to get it:
User must authenticate and returns a code to the API consumer (called the "Client").
The "client" of the API (usually your web server) exchanges the code obtained in #1 for an access_token, authenticating itself with a client_id and client_secret
I...
Why shouldn't I use mysql_* functions in PHP?
...y important as they provide a clearer, less error-prone method of escaping and quoting external data than manually escaping it with a separate function call.
See the comparison of SQL extensions.
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What's the difference between unit, functional, acceptance, and integration tests? [closed]
What is the difference between unit, functional, acceptance, and integration testing (and any other types of tests that I failed to mention)?
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Simple explanation of MapReduce?
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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, ...
How do popular apps authenticate user requests from their mobile app to their server?
Say I have an Android application that connects to a .Net API for receiving/setting data. The confusion that I have is regarding how to sign-up/login the user first time and authenticate it every time they make a request to the API.
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Mechanisms for tracking DB schema changes [closed]
What are the best methods for tracking and/or automating DB schema changes? Our team uses Subversion for version control and we've been able to automate some of our tasks this way (pushing builds up to a staging server, deploying tested code to a production server) but we're still doing database up...
Calendar Recurring/Repeating Events - Best Storage Method
I am building a custom events system, and if you have a repeating event that looks like this:
12 Answers
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What's the difference between “static” and “static inline” function?
...at can make a big performance difference.
However, this is only a "hint", and the compiler may ignore it, and most compilers will try to "inline" even when the keyword is not used, as part of the optimizations, where its possible.
for example:
static int Inc(int i) {return i+1};
.... // some code...