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Why is Hibernate Open Session in View considered a bad practice?
... is the number of lazy associations. If your screen presents tabular data, reading Hibernate’s log is a big hint that you do not do as you should
this completely defeats layered architecture, since you sully your nails with DB in the presentation layer. This is a conceptual con, so I could live ...
How do I partially update an object in MongoDB so the new object will overlay / merge with the exist
... with the contents of another document, but only the fields that are not already present, and completely ignore the fields that are already set (even if to another value).
There is no way to do that in a single command.
You have to query the document first, figure out what you want to $set and the...
How to use unicode characters in Windows command line?
...ole” are unrelated factors. CMD.exe is a just one of programs which are ready to “work inside” a console (“console applications”).
AFAIK, CMD has perfect support for Unicode; you can enter/output all Unicode chars when any codepage is active.
Windows’ console has A LOT of support for ...
In C#, What is a monad?
There is a lot of talk about monads these days. I have read a few articles / blog posts, but I can't go far enough with their examples to fully grasp the concept. The reason is that monads are a functional language concept, and thus the examples are in languages I haven't worked with (since I haven'...
Why aren't python nested functions called closures?
...
The question has already been answered by aaronasterling
However, someone might be interested in how the variables are stored under the hood.
Before coming to the snippet:
Closures are functions that inherit variables from their enclosing ...
What Every Programmer Should Know About Memory?
...d. "What every programmer should know about memory" is definitely worth to read, but, well, I don't think it's for "every programmer". It's more suitable for system/embedded/kernel guys.
share
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imp...
How do BitTorrent magnet links work?
...he swarm, and asks them for the connection information of any peers they already know of who are participating in the swarm.
When peers are uploading/downloading a particular torrent, they try to tell each other about all of the other peers they know of that are participating in the same torrent sw...
Why should I not include cpp files and instead use a header?
...
Good answer, sir. It was a fun read, and easy to understand. I wish my textbook was written like this.
– ialm
Nov 6 '09 at 19:08
...
Why should I use the keyword “final” on a method parameter in Java?
...Reassignment
While these answers are intellectually interesting, I've not read the short simple answer:
Use the keyword final when you want the compiler to prevent a
variable from being re-assigned to a different object.
Whether the variable is a static variable, member variable, local vari...
Why there is no ForEach extension method on IEnumerable?
...
There is already a foreach statement included in the language that does the job most of the time.
I'd hate to see the following:
list.ForEach( item =>
{
item.DoSomething();
} );
Instead of:
foreach(Item item in list)
{
...