Ensuring your application can handle failures and outages is crucial, and the availability of your application is only as good as the availability of your PostgreSQL instance. With that in mind, you may be wondering which PostgreSQL high availability (HA) deployment option is best for your application.
Let’s review several popular solutions that increase the high availability of PostgreSQL deployments and, as a result, the availability overall of your application. Why several and not one? Well, there’s no silver bullet or one-size-fits-all solution when it comes to high availability and PostgreSQL. So, walk through the options for a highly available deployment of PostgreSQL and then you can make a choice that fits your use case.
A Bloom filter is a standard data structure in computer science to approximate a set. Basically, you start with a large array of bits, all initialized at zero. Each time you want to add an element to the set, you compute k different hash values and you set the bits at the k corresponding locations to one.
Source: Expected performance of a Bloom filter, an article by Daniel Lemire.
Dired buffers can be made editable, and both filenames and permission bits can be edited like plain text.
Source: WDired: Editable Dired Buffers, an article by Mickey Petersen.
I also wrote about WDired mode back in 2009 in Using Emacs Dired to rename files the easy way.
A storm rages. A young girl is kidnapped. Her mother teams up with the mysterious woman next door to pursue the kidnapper, a journey that tests their limits and exposes shocking secrets from their pasts.
In the evening I watched Lou. I liked the movie and give it a 7 out of 10.