Name: Thiago Macieira
Date registered: July 16, 2011
May 11
I’ve talked about source code encoding in the past, arguing that the C++ language lacks a fundamental setting. However, since this Monday, Qt 5 now starts to enforce that source code must be UTF-8. In a way. The commit that landed on the qtbase repository finally changed the codec used by QString’s 8-bit methods to …
Apr 27
For about a month, I’ve been improving a set of scirpts to calculate statistics on the Qt Project. What I wanted to know, at first, was how well I was doing, how much I was contributing. Another question I had in mind and I know many others did too was “how much is the Qt …
Apr 03
Lars writes to let us know that the first (and hopefully only) Qt 5 alpha has been released! It’s the first in the major release series in 7 years, the first major release of the Qt Project (though not the first release in of the project, since we released 4.8.1 just a few weeks ago). …
Mar 28
I usually write about C++, since it’s the programming language that I use on my daily work. Today, however, I’m talking about its nearest cousin: C. In specific, about a certain keyword introduced by the C99 standard, which was issued over 12 years ago. Usually, the C standard plays catch-up with the C++ standard (like …
Feb 22
I’ve written in the past about how passing certain types by value in C++ would be more efficient than passing by constant reference. But it turns out that the ABI rules are somewhat more complex than what I said back in 2008. Time to investigate. This is also prompted by the discussion on qreal on …
Jan 19
My last blog on the dynamic libraries on Linux attracted over 15000 visits, which was quite unexpected (it’s 15x more than the usual traffic). It got linked from reddit and ycombinator and comments there and in the previous post have raised some interesting questions I’ll try to answer. LD_PRELOAD First, a quck background: LD_PRELOAD and …
Jan 16
Last week, we identified a bug in Qt with Olivier‘s new signal-slot syntax. Upon further investigation, it turns out it’s not a Qt issue, but an ABI one. Which prompted me to investigate more and decide that dynamic libraries need a big overhaul on Linux. tl;dr (a.k.a. Executive Summary) Shared libraries on Linux are linked …
Jan 13
I’ve previously talked about how the Qt 5 Winter is coming. Since we started talking about that, people have begun asking what are the date limits for each thing, when the API would freeze, when Qt 5.0 would be stable, when we’d release, etc. This blog tries to answer that a little. Last month, we …
Jan 10
Yesterday I wrote about instruction set and ABI manuals. Today I’d like to go into details about the ABIs I listed there. This was done mostly as a summary for me: it’s tiresome to search for the information in the manuals, especially since some of the manuals are PDFs without links. For example, I never …
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