--- English version below ---
Ahoj kamaradi,
z technickych duvodu(*) jsem nucen presunout talk na pristi tyden, tj. 24.7.
Moc se omlouvam vsem, kterym jsem zpusobil nepohodli a zmeny planu. Doufam, ze na mne nezanevrete a pristi tyden na talk prijdete (tedy pokud chcete).
S omluvou,
J. D.
* priprava a souvisejici kodeni trvalo mnohem dele, nez jsem myslel), a navic po mne v praci chteji praci...
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Hi friends,
for technical reasons(*), I have to move the talk about OpenGL to the next week, i.e. 24th of April.
I deeply apologize for all incoveniences and sudden changes of plans. I hope you will come the next week (if you are interested).
Yours apologizingly,
J. D.
* preparations and related coding required longer time than I expected, and in addition, people want me to work when I am at work...