Navigate JSON content with ease in JavaScript (aka XPath for JSON)

In your familiar with XML files, you’ve probably heard of/used XPath to select nodes from a XML document without implementing a custom parser. There is a similar tool for JSON, called JSONPath. This post shows you where to get the documentation, implementation and tools to get you started. Read more ›

Posted in Development Tagged with: ,

What wattage for my PSU?

If you’re building a new machine and can’t decide what Power Supply Unit (PSU) you shoud use, check out OutterVision’s Power Supply Calculator. Read more ›

Posted in Tips & tricks Tagged with:

Docker vs KVM vs Native performance

docker

I was curious about the impact Docker could have on performances. Googling around lead me to a study published by IBM: An Updated Performance Comparison of Virtual Machines and Linux Containers. Though it includes a Docker vs KVM comparison that was initially out of my concern, It’s been very interesting to read. Read more ›

Posted in Administration Tagged with: , ,

ArchLinux on a pure UEFI system

Logo ArchLinux

Installing ArchLinux in UEFI « native » mode is surprisingly simple. Here are the steps I followed. Read more ›

Posted in Administration Tagged with: , , ,

When df and du are contradictory

I encountered a situation today where du reported a usage of 520K whereas df reported a occupation of 34G. Read more ›

Posted in Administration Tagged with: , ,

Mass deleting spam comments in WordPress

Since I got this new job back in January, I took little time to post nor even maintain this blog. So this morning, when I decided it was high time to do so, I discovered no less than 110420 spam comments! Read more ›

Posted in Tips & tricks Tagged with: ,

noatime implies nodiratime

I was wondering whether the noatime mount option implied the nodiratime option; turned out it’s true! Read more ›

Posted in Administration Tagged with: ,

Using a different separator than ‘/’ with sed

You probably know the ‘s’ (“substitute”) command that sed offers. But did you know you other character could be used as separator? Read more ›

Posted in Tips & tricks Tagged with: ,

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