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Separation of business logic and data access in django
...assical terms: it's about queries and commands.
Thinking in Commands
Let's start by looking at the commands in your example: "activate this user" and "deactivate this user". The nice thing about commands is that they can easily be expressed by small given-when-then scenario's:
given an inactive use...
Programmatically Lighten or Darken a hex color (or rgb, and blend colors)
...ived all the versions/history of this answer's evolution to my github. And started it over clean on StackOverflow here with the newest version. A special thanks goes out to Mike 'Pomax' Kamermans for this version. He gave me the new math.
This function (pSBC) will take a HEX or RGB web color. pSBC ...
Sending event when AngularJS finished loading
...checkIfInterpolated() {
if ($element.text().indexOf($interpolate.startSymbol()) >= 0) { // if the text still has {{placeholders}}
requestAnimationFrame(checkIfInterpolated);
}
else {
evalExpressions(expressions);
}
});
...
Why is x86 ugly? Why is it considered inferior when compared to others? [closed]
...uperior, for teaching an introduction to assembler class it makes sense to start with a simpler ISA. Some assembly classes teach an ultra-simplified subset of x86 called y86, which is simplified beyond the point of not being useful for real use (e.g. no shift instructions), or some teach just the b...
Why does C++ not have reflection?
...les to reference them without having to mess with #includes. That's a good start, and to be honest, I'm surprised the standard committee didn't just throw the proposal out for being too big a change. So perhaps in 5-10 years? :)
...
Fundamental difference between Hashing and Encryption algorithms
... hash function could be considered the same as baking a loaf of bread. You start out with inputs (flour, water, yeast, etc...) and after applying the hash function (mixing + baking), you end up with an output: a loaf of bread.
Going the other way is extraordinarily difficult - you can't really sepa...
Recommended way of making React component/div draggable
... should own what state" is an important question to answer, right from the start. In the case of a "draggable" component, I could see a few different scenarios.
Scenario 1
the parent should own the current position of the draggable. In this case, the draggable would still own the "am I dragging" s...
Understanding REST: Verbs, error codes, and authentication
...information is driving interaction
instead of hypertext.]
Folks always start with the URIs and think this is the solution, and then they tend to miss a key concept in REST architecture, notably, as quoted above, "Failure here implies that out-of-band information is driving interaction instead of...
What is the correct way of using C++11's range-based for?
...
Let's start differentiating between observing the elements in the container
vs. modifying them in place.
Observing the elements
Let's consider a simple example:
vector<int> v = {1, 3, 5, 7, 9};
for (auto x : v)
cout ...
What C++ Smart Pointer Implementations are available?
...ments about some specific smart pointer implementations so it seemed worth starting a new post.
3 Answers
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