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Xml configuration versus Annotation based configuration [closed]
...tionality and acts as a comment in and of itself, and doesn't tie the code down to some specific process in order to function normally without this annotation, then go for annotations. For example, a transactional method marked as being transactional does not kill its operating logic, and serves as...
ASP.NET MVC - Attaching an entity of type 'MODELNAME' failed because another entity of the same type
... {
if (isDisposing)
{
// Clear down managed resources.
if (_dbContext != null)
_dbContext.Dispose();
}
_isDisposed = true;
}
}
#endregion
This allows the repository methods to...
“Least Astonishment” and the Mutable Default Argument
... are wonderful, when you understand how to use them. I guess it just boils down to opinion on this particular pitfall.
– Matthew
Jun 19 '14 at 17:54
33
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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
...
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.
...
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...
Controlling a USB power supply (on/off) with Linux
...
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...
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...