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KDevelop This section will explain how to use KDevelop 3.4 to develop KDE 4 applications. If you have any questions, corrections or rants about this section, please post them on the discussion page. [edit] Prerequisites You need at least KDevelop 3.4 for this, which is still a KDE 3 application. Versions lower than 3.4 do not have Qt 4 support among other things. The KDE 4 version of KDevelop is not yet ready for serious development. You can get KDevelop at the KDevelop homepage. Make sure you install KDevelop like all other KDE 3 applications, not with your kde-devel user. You also need the lastest GDB version, which is currently 6.6.0. Note that the GDB version which is shipped with openSuse 10.3 is broken, it constantly crashes when examining variables (which KDevelop does automatically). Use the GDB version from this repository instead. You need to have the kdelibs API documentation locally, which is described in the build instructions. You also need ctags, htdig, htmerge and htsearch. valgrind and callgrind can also be useful. Be sure you followed the steps in the KDE 4 build instructions and have a working KDE 4 environment. Make sure simple KDE 4 applications like Konsole or KWrite can be started from the command line of the kde-devel user without problems. The following steps are all done with the kde-devel user. You need to login as that user by typing su - kde-devel

Le 13 mai, un message publié sur la liste de sécurité Debian identifiait une anomalie impactant le paquet openssl. Ce bug a été introduit par un mainteneur Debian, qui a eu la main lourde en voulant "corriger" des alertes remontées par Valgrind (un logiciel qui audite le code). Résultat des courses : le générateur de nombres aléatoires, composant critique de nombreux systèmes de chiffrements, n'est au final pas si aléatoire que ça, voire carrément prévisible. En conséquence, tous les certificats et clefs SSL/SSH générés sur une Debian (ou dérivée) depuis 2006 l'ont été à partir d'un univers des possibles très restreint (environ 250 000 clefs, à confirmer) et présentent donc un niveau de sécurité largement inférieur à celui estimé.

Valgrind is a entire suite of open-source tools, including basic debugging, profiling, and more advanced techniques such as threading, memory management, and leak detection. For the purposes of this article, I will focus on Cachegrind, and in particular within the domain of Web applications. Although there are a number of developers contributing to Valgrind, Julian Seward is the original designer and author.

helgrind: more than data checks (valgrind), it also help you finding who did not bring a beer in multithreaded programs.

Valgrind is a suite of tools for debugging and profiling programs. There are three tools: a memory error detector, a time profiler, and a space profiler. For debugging purposes, the memory error detector is a handy tool. Memory error detection

Valgrind is an award-winning suite of tools for debugging and profiling Linux programs. With the tools that come with Valgrind, you can automatically detect many memory management and threading bugs, avoiding hours of frustrating bug-hunting, making your programs more stable. You can also perform detailed profiling, to speed up and reduce memory use of your programs.

Valgrind is an award-winning suite of tools for debugging and profiling Linux programs. With the tools that come with Valgrind, you can automatically detect many memory management and threading bugs, avoiding hours of frustrating bug-hunting, making your programs more stable. You can also perform detailed profiling, to speed up and reduce memory use of your programs.

Valgrind is an award-winning suite of tools for debugging and profiling Linux programs. With the tools that come with Valgrind, you can automatically detect many memory management and threading bugs, avoiding hours of frustrating bug-hunting, making your

suite of tools for debugging and profiling Linux programs. detect many memory management and threading bugs...

Callgrind uses runtime instrumentation via the Valgrind framework for its cache simulation and call-graph generation. This way, even shared libraries and dynamically opened plugins can be profiled. The data files generated by Callgrind can be loaded into KCachegrind for browsing the performance results. But there is also a command line tool in the package to get ASCII reports from data files without the need to use KCachegrind.

Callgrind uses runtime instrumentation via the Valgrind framework for its cache simulation and call-graph generation. This way, even shared libraries and dynamically opened plugins can be profiled. The data files generated by Callgrind can be loaded into KCachegrind for browsing the performance results. But there is also a command line tool in the package to get ASCII reports from data files without the need to use KCachegrind.

Profilage de code PHP avec une extension à PHP donc plus efficace qu'une classe de débogage. Le résultat est exploitable avec Valgrind.

Valgrind is an award-winning suite of tools for debugging and profiling Linux programs

This is a small tool which allows you to force any execution of a binary on your system to always be via a debugger (such as strace/valgrind) without having to modify the binary or the way its called in any way.