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PostgreSQL: Is it better to use multiple databases with one schema each, or one database with multip
After this comment to one of my question, I'm thinking if it is better using one database with X schemas or vice versa.
5...
Canary release strategy vs. Blue/Green
My understanding of a canary release is that it's a partial release to a subset of production nodes with sticky sessions turned on. That way you can control and minimize the number of users/customers that get impacted if you end up releasing a bad bug.
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When is it appropriate to use UDP instead of TCP? [closed]
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This is one of my favorite questions. UDP is so misunderstood.
In situations where you really want to get a simple answer to another server quickly, UDP works best. In general, you want the answer to be in one response packet, and you are ...
Is it possible to get CMake to build both a static and shared version of the same library?
..., it's moderately easy. Just use two "add_library" commands:
add_library(MyLib SHARED source1.c source2.c)
add_library(MyLibStatic STATIC source1.c source2.c)
Even if you have many source files, you would place the list of sources in a cmake variable, so it's still easy to do.
On Windows you sh...
MySQL ON vs USING?
In a MySQL JOIN , what is the difference between ON and USING() ? As far as I can tell, USING() is just more convenient syntax, whereas ON allows a little more flexibility when the column names are not identical. However, that difference is so minor, you'd think they'd just do away with USI...
Understanding prototypal inheritance in JavaScript
...me) is in the SuperCar constructor function because when you do this:
var mySuperCar = new SuperCar("SuperCar");
This is what JavaScript does:
A fresh, blank object is instantiated.
The fresh object's internal prototype is set to Car.
The SuperCar constructor function runs.
The finished object ...
How does git compute file hashes?
...t is hashed. I am not certain of the algorithm and parameters however from my observation it probably computes a hash based on all the blobs and trees (their hashes probably) it contains
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Comparing Java enum members: == or equals()?
...d that much extra safety.
However:
The fact that == never throws NPE in my mind is a disadvantage of ==. There should hardly ever be a need for enum types to be null, since any extra state that you may want to express via null can just be added to the enum as an additional instance. If it is unex...
App.Config Transformation for projects which are not Web Projects in Visual Studio?
...figurations so name your files App.Debug.config and App.Release.config. In my project, I created a configuration for each kind of environment, so you might want to experiment with that.
2. Unload project and open .csproj file for editing
Visual Studio allows you to edit .csproj files right in the ...
What's the difference between design patterns and architectural patterns?
...a detailed explanation but I will try to sketch the differences to best of my knowledge.
Patterns are distilled commonality that you find in programs. It allows us to deconstruct a large complex structure and build using simple parts. It provides a general solution for a class of problems.
A larg...