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Are there good reasons not to use an ORM? [closed]
...ry large (100's of staff-years) J2EE project.
Where an ORM may not be the best fit
In other cases there may be approaches that suit the application better than an ORM. Fowler's Patterns of Enterprise Application Architecture has a section on data access patterns that does a fairly good job of cat...
How do servlets work? Instantiation, sessions, shared variables and multithreading
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See also:
What is the difference between JSF, Servlet and JSP?
Best option for Session management in Java
Difference between / and /* in servlet mapping url pattern
doGet and doPost in Servlets
Servlet seems to handle multiple concurrent browser requests synchronously
Why Servlets are no...
What does OSGi solve?
...an use virtually any facility of the VM without the OSGi restricting them. Best practice in OSGi is to write Plain Old Java Objects and for this reason, there is no special interface required for OSGi services, even a Java String object can act as an OSGi service. This strategy makes application cod...
How to read a (static) file from inside a Python package?
...elative paths from a source file
This is currently the accepted answer. At best, it looks something like this:
from pathlib import Path
resource_path = Path(__file__).parent / "templates"
data = resource_path.joinpath("temp_file").read_bytes()
What's wrong with that? The assumption that you have f...
What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?
...b along, but after decades of world class engineering, you can now get the best performance by asking your database a relational question and letting it sort out how to fetch and assemble that data for you.
– Dogs
Aug 24 '16 at 1:52
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How to declare global variables in Android?
...pplication subclasses. In my disagreement I will be making use of concepts best explained in this StackExchange explanation of the Singleton design pattern, so that I do not have to define terms in this answer. I highly encourage skimming the link before continuing. Point by point:
Dianne states, "...
How do I get Windows to go as fast as Linux for compiling C++?
...y software development has trended towards the first situation. Heck, the best word processing system for Unix (TeX/LaTeX) encourages you to put each chapter in a different file and #include them all together.
Unix is focused on high performance; Windows is focused on user experience
Unix started ...
Convert light frequency to RGB?
... analytic approximations (suggested by @Tarc and @Haochen Xie). Tables are best if you need a smooth preсise result.
There is no single RGB color space. Multiple transformation matrices and different kinds of gamma correction may be used.
Below is the C# code I came up with recently. It uses line...
How to pull request a wiki page on GitHub?
...
We have found the best solution for the problem so far in https://devonfw.com :
Put your documentation into the git repository together with the code inside a documentation folder.
Extend your travis-ci build with some magic that stages all...
SHA1 vs md5 vs SHA256: which to use for a PHP login?
...have an earlier version, I'd look into the "phpass" framework for the next best thing.
– Johannes Gorset
Feb 10 '10 at 8:03
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