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Can TCP and UDP sockets use the same port?
...level (OSI model level 4). So TCP has its own ports, which are interpreted by the TCP stack; UDP has its own ports, which are interpreted by the UDP stack. So to say, ports are not shared between UDP and TCP; it just happens that both protocols have the same definition of "ports" and that in order t...
Should services always return DTOs, or can they also return domain models?
...nterface/API stability
May provide optimization for the presentation layer by returning a DTO containing only those attributes that are absolutely required. Using linq-projection, you don't have to pull an entire entity.
To reduce development cost, use code-generating tools
...
Why would you ever implement finalize()?
...
Just make sure that an exception is never thrown by finalize(), or the garbage collector will not continue cleanup of that object, and you'll get a memory leak.
– skaffman
Oct 1 '08 at 16:04
...
What are paramorphisms?
...dr c n [] = n
Some people call paramorphisms "primitive recursion" by contrast with catamorphisms (foldr) being "iteration".
Where foldr's two parameters are given a recursively computed value for each recursive subobject of the input data (here, that's the tail of the list), para's paramet...
Java, Classpath, Classloading => Multiple Versions of the same jar/project
...ndException.
If you have two classes with the same binary name, searchable by the same classloader, and you want to know which one of them you are loading, you can only inspect the way that specific classloader tries to resolve a class name.
According to the java language specification, there is not...
Golang production web application configuration
...t;_logs/stderr.log
Another aspect is deployment. One option is to deploy by just sending binary file of the program and necessary assets. This is a pretty great solution IMO. I use the other option: compiling on server. (I’ll switch to deploying with binary files when I set up a so-called “Con...
Making macOS Installer Packages which are Developer ID ready
...o a product archive.
A component package contains payload to be installed by the OS X Installer. Although a component
package can be installed on its own, it is typically incorporated into a product archive.
Our tools: pkgbuild, productbuild, and pkgutil
After a successful "Build and Archive...
Google Analytics - Failed to load resource: http://www.google-analytics.com/ga.js
... provided and explicitly use https:// instead of the protocol-relative URL by default. This means changing
'//www.google-analytics.com/analytics.js'
into
'https://www.google-analytics.com/analytics.js'
Example:
<script>
(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||...
Running single test from unittest.TestCase via command line
...nfortunately it cannot be used to occasionally run test that is "disabled" by rename
– Alois Mahdal
Apr 15 '13 at 12:29
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What is the purpose of Node.js module.exports and how do you use it?
...yLongInternalName;
// add other objects, functions, as required
followed by:
const m = require('./mymodule');
m.shortName(); // invokes module.myVeryLongInternalName
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