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Dynamic layouts with Spec2
As you may already know, Spec2 is the new version of the UI framework: Spec. Spec2 is not just a new version but a complete rewrite and redesign of Spec1. Contrary to Spec1, in Spec2 all the layouts are dynamic. It means that you can change on the fly the elements displayed. It is aContinue reading “Dynamic layouts with Spec2”
Debugging the JIT compiler Hotspot detection for ARM64
The other day we were working on the compiler detection of hotspots, originally implemented by Clément Béra during his PhD thesis. In Sista, hotspot detection is implemented as a countdown that looks like the following: the counter is loaded in a register, decremented and then a jump if carry detects if the substraction underflowed. WeContinue reading “Debugging the JIT compiler Hotspot detection for ARM64”
Advanced stepping and custom debugging actions in the new Pharo debugger
In this article, we describe the new advanced stepping menu available in the debugger. These advanced steps provide convenient and automated debugging actions to help you debug your programs. We will see how to build and add new advanced steps, and how to extend the debugger toolbar with your own customized debugging menus. Advanced stepsContinue reading “Advanced stepping and custom debugging actions in the new Pharo debugger”
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