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.NET: Which Exception to Throw When a Required Configuration Setting is Missing?
...itation on how you choose to use/reuse an existing exception.
It's your application- as long as you document it and clearly indicate the exception that will be thrown in the specific case of a missing configuration value, you can use any exception you like. If you do want a very specific indicat...
How to import a module given its name as string?
I'm writing a Python application that takes as a command as an argument, for example:
11 Answers
...
Execute combine multiple Linux commands in one line
...passx; password-gorilla"
But it does not work as I want. I.E., the first app starts but the second starts only when the previous is closed
However, I found that (with only one ampersand):
sh -c "keepassx & password-gorilla"
and it works as I want now...
What's invokedynamic and how do I use it?
... as syntax sugar for reflective method calls. It can have very interesting applications. see http://www.infoq.com/presentations/Statically-Dynamic-Typing-Neal-Gafter
Neal Gafter, who's responsible for C#'s dynamic type, just defected from SUN to MS. So it's not unreasonable to think that the same t...
What's your most controversial programming opinion?
...umentative. I think it could be an interesting question if people treat it appropriately.
407 Answers
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Creation timestamp and last update timestamp with Hibernate and MySQL
...ava.util.Date;
import javax.persistence.Column;
import javax.persistence.MappedSuperclass;
import javax.persistence.PrePersist;
import javax.persistence.PreUpdate;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;
@MappedSuperclass
public abstract class AbstractTimestampEnt...
Send and receive messages through NSNotificationCenter in Objective-C?
...onCenter defaultCenter] is meant to placed. Is it best to place it in your AppDelegate?
– fulvio
Jan 12 '11 at 6:17
14
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What is the standard naming convention for html/css ids and classes?
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I think that according as your app get bigger your ids starts to be long and complex, then in that moment the dashes doesn't look good. I'm also using Sublime and Twitter Bootstrap, and I'm agreement in use dashes for classes like Bootstrap does. But the ...
What do the terms “CPU bound” and “I/O bound” mean?
... --/
so the memory bus quickly becomes the bottleneck, not the CPU.
This happens because adding two numbers takes a single CPU cycle, memory reads take about 100 CPU cycles in 2016 hardware.
So the CPU work done per byte of input data is too small, and we call this an IO-bound process.
The only way...
When to use EntityManager.find() vs EntityManager.getReference() with JPA
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@Arthur Ronald what happens if there is a Version annotation in the entity called by getReference?
– David Hofmann
Mar 25 '16 at 13:28
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