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Generating v5 UUID. What is name and namespace?
...Name and namespace can be used to create a hierarchy of (very probably) unique UUIDs.
Roughly speaking, a type 3 or type 5 UUID is generated by hashing together a namespace identifier with a name. Type 3 UUIDs use MD5 and type 5 UUIDs use SHA1. Only 128-bits are available and 5 bits are used to spe...
Why is it a bad practice to return generated HTML instead of JSON? Or is it?
...losing the focus which is what happens when you keep switching from js to PHP / JAVA / etc.
Generally, I think most people prefer to do as much as possible on the server side because they don't master js, so they try to avoid it as much as possible.
Basically, I have the same opinion as those guy...
Entity Framework 4 vs NHibernate [closed]
...hat about NHibernate? It's absolutely different level, it's like comparing PHP to C#, EF4 is like in Stone-age, it's like EF is 10 years behind then NHibernate in development progress, and in fact it is, Hibernate was started in 2001. If you have free time to learn and switch on Nhibernate, do it.
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Choosing Java vs Python on Google App Engine
...other languages perched on top of the JVM too, so it's THE way to run e.g. PHP or Ruby code on App Engine); the Python App Engine team however does have the advantage of having on board Guido van Rossum, the inventor of Python and an amazingly strong engineer.
In terms of flexibility, the Java engi...
How to “perfectly” override a dict?
...
You can write an object that behaves like a dict quite easily with ABCs (Abstract Base Classes) from the collections.abc module. It even tells you if you missed a method, so below is the minimal version that shuts the ABC up.
from collections.abc import MutableMapping
c...
Alternatives to JavaScript
...n target multiple languages so your code can be re-used in Java, C, Flash, PHP and Javascript programs. It offers type-safe and dynamic objects.
Opalang adds syntactic sugar to Javascript to provide direct database access, smart continuations, type-checking and assist with client/server separation....
Monad in plain English? (For the OOP programmer with no FP background)
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UPDATE: This question was the subject of an immensely long blog series, which you can read at Monads — thanks for the great question!
In terms that an OOP programmer would understand (without any functional programming background), ...
Preventing Laravel adding multiple records to a pivot table
...first();
$product->updateFeatures($feature);
}
}
//product.php (extract)
public function updateFeatures($feature) {
return $this->features()->sync($feature, false);
}
or
public function updateFeatures($feature) {
if (! $this->features->contains($features))
...
Possible reason for NGINX 499 error codes
...timeout error in your browser which indicates that something is wrong with php-fpm but that will not be the case with 499 errors in your log files.
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Ruby custom error classes: inheritance of the message attribute
...o in my question does it like this: raise(BillRowError.new(:roamingcalls, @index), "Roaming Calls field missing"). So he calls raise with two parameters: a new BillRowError object, and his message. I'm just confused by the syntax... On other tutorials I always see it like this: raise Error, message
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