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Is Fortran easier to optimize than C for heavy calculations?
...the automatics from there. It will look more verbose, but it will optimize down perfectly by the compiler.
– Tall Jeff
Sep 28 '08 at 16:31
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Is quoting the value of url() really necessary?
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Don't know why this got down-voted; for a high traffic site, ideas like this makes a big difference over the course of a year.
– Joisey Mike
Nov 10 '11 at 21:35
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R and version control for the solo data analyst
...dopt using a revision control system, you'll think of your work as writing down your legacy in the repository, and making brilliant incremental changes to it. It feels way better.
share
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improve t...
Is recursion ever faster than looping?
...have mutable state as you introduced in your 2nd step, so everything slows down; while an immutable solution like a functional/recursive one would avoid locking, so could be faster/more parallel).
– hmijail mourns resignees
Aug 27 '17 at 17:24
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Epoch vs Iteration when training neural networks
... step through your number of layers, applying gradient-descent all the way down. All these small steps can be called iterations.
An epoch corresponds to the entire training set going through the entire network once. It can be useful to limit this, e.g. to fight overfitting.
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How to get the ThreadPoolExecutor to increase threads to max before queueing?
...his after the put() to stop race conditions
if (executor.isShutdown()) {
throw new RejectedExecutionException(
"Task " + r + " rejected from " + e);
}
} catch (InterruptedException e) {
Thread.currentThread().interrupt()...
Python threading.timer - repeat function every 'n' seconds
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This code creates a new thread every time the timer runs down. This is a colossal waste as compared to the accepted answer.
– Adrian W
Sep 8 '18 at 18:48
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Set focus on TextBox in WPF from view model
...his is another question to post on Stackoverflow :).
The best way to track down issues with Focus is... debugging .Net source code. No kidding. It saved me a lot of time many times. To enable .net source code debugging refer to Shawn Bruke's blog.
Finally, general approach that I use to set focus fr...
Direct casting vs 'as' operator?
...ceException thrown. These tend to be more common and a lot harder to track down once they happens out in the wild, as nearly every line dereferences a variable and may throw one. On the other hand, if you're trying to cast to a value type (any primitive, or structs such as DateTime), you have to use...
Why are elementwise additions much faster in separate loops than in a combined loop?
... 2:
Here, as the data sizes increase, the amount of relative overhead goes down and the performance "saturates". Here two loops is slower because it has twice as much loop and branching overhead.
I'm not sure exactly what's going on here... Alignment could still play an effect as Agner Fog mentions ...