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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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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...
Normalize data in pandas
...ter, and high points. also there is a shrink factor! to allow you to scale down the data away from endpoints 0 and 1 (I had to do this when combining colormaps in matplotlib:Single pcolormesh with more than one colormap using Matplotlib) So you can likely see how the code works, but basically say yo...
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
33
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Controlling a USB power supply (on/off) with Linux
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sudo apt install powertop
sudo powertop
Tab over to 'tunables'.
Scroll down to your device.
Hit enter to toggle power saving mode (Good/Bad)
Note that Bad means the device is always on. Toggling to Good will turn off the device after the preset inactive saving time (default is 2000ms).
See...
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.
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Datetime - Get next tuesday
...tor says that "When either a or n is negative, the naive definition breaks down and programming languages differ in how these values are defined." While this probably works in C#, a mathematically more 'solid' solution to get the same result would be to swap the DayOfWeek values like this: int daysT...
How do I use installed packages in PyCharm?
...ear to the right of the interpreter's path. It will bring up a short drop-down menu, from which you should select "More..". On the right hand side of the new pop-up, there will be an icon with the mouse-over text of "Show paths for the selected interpreter". Click that button. This new 'Interpre...
TypeLoadException says 'no implementation', but it is implemented
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NOTE - If this answer doesn't help you, please take the time to scroll down through the other answers that people have added since.
Short answer
This can happen if you add a method to an interface in one assembly, and then to an implementing class in another assembly, but you rebuild the impl...
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()...