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Functional, Declarative, and Imperative Programming [closed]
...he computer should take rather than what the computer will do (ex. C, C++, Java).
Declarative - The focus is on what the computer should do rather than how it should do it (ex. SQL).
Functional - a subset of declarative languages that has heavy focus on recursion
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How do we control web page caching, across all browsers?
...Pragma: no-cache"); // HTTP 1.0.
header("Expires: 0"); // Proxies.
Using Java Servlet, or Node.js:
response.setHeader("Cache-Control", "no-cache, no-store, must-revalidate"); // HTTP 1.1.
response.setHeader("Pragma", "no-cache"); // HTTP 1.0.
response.setHeader("Expires", "0"); // Proxies.
Usin...
Understanding __get__ and __set__ and Python descriptors
...control over how attributes work. If you're used to getters and setters in Java, for example, then it's Python's way of doing that. One advantage is that it looks to users just like an attribute (there's no change in syntax). So you can start with an ordinary attribute and then, when you need to do ...
Memcached vs. Redis? [closed]
...cenarios with batch inserts using Lua script and choosing the right (NIO) Java library to improve the performance. I cannot imagine anything more friendly and simple to use than Redis.
– Moose on the Loose
May 8 '19 at 14:12
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mmap() vs. reading blocks
...ssion of mmap/read reminds me of two other performance discussions:
Some Java programmers were shocked to discover that nonblocking I/O is often slower than blocking I/O, which made perfect sense if you know that nonblocking I/O requires making more syscalls.
Some other network programmers were sh...
What are the real-world strengths and weaknesses of the many frameworks based on backbone.js? [close
...
http://lostechies.com/derickbailey/2011/11/17/introduction-to-composite-javascript-apps/
http://lostechies.com/derickbailey/2011/12/12/composite-js-apps-regions-and-region-managers/
Message Queues / Patterns
The same large scale, distributed systems also took advantage of message queuing, ente...
Node.js Best Practice Exception Handling
... don't want it to. In languages that allow for proper threading instead of JavaScript's asynchronous event-machine style, this is less of an issue.
Finally, in the case where an uncaught error happens in a place that wasn't wrapped in a domain or a try catch statement, we can make our application no...
When to use volatile with multi threading?
...See also Myths Programmers Believe about CPU Caches which talks some about Java volatiles, equivalent to C++ atomic<T> with seq_cst memory order.)
When I say load, I mean an asm instruction that accesses memory. That's what a volatile access ensures, and is not the same thing as lvalue-to-rv...
Logging best practices [closed]
...not qualified to comment on logging for .Net, since my bread and butter is Java, but we've had a migration in our logging over the last 8 years you may find a useful analogy to your question.
We started with a Singleton logger that was used by every thread within the JVM, and set the logging level ...