FILE I/O: PAST, PRESENT AND FUTURE CPPCON OCTOBER 3RD 2023 GUY DAVIDSON @HATCAT01INTRODUCTIONS • Head of Engineering Practice at Creative Assembly • 1980 – Acorn Atom • ISO/IEC JTC1/SC22/WG21 • BSI • Disk formatMORE RAM, MORE DISK CAPACITY “The Portable Operating System Interface (POSIX; IPA: /ˈpɒz.ɪks/) is a family of standards specified by the IEEE Computer Society for maintaining compatibility RAM, MORE DISK CAPACITY • Formatted i/o – scanf printf • Direct i/o – fread fwrite • File positioning – ftell fgetpos fseek fsetpos rewind • Unformatted i/o – fgetc/fgets fputc/fputs getchar putchar

Bem-vindos ao Comprehensive Rust 11 1 Conduzindo o Curso 13 1.1 Estrutura do Curso . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 1.2 Atalhos de Teclado . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 2 Usando o Cargo 19 2.1 O Ecossistema Rust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 2.2 Exemplos de Código neste Treinamento . . . . . . . . . 21 2.3 Executando Código Localmente com o Cargo . . . . . . . . . . . . . . . . . . 21 I Dia 1: Manhã 23 3 Bem-vindos ao Dia 1 24 4 Olá, Mundo 26 4.1 O que é Rust? . . . . . . . . . . . . . . .

Estructura del curso . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 1.2 Combinaciones de teclas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 1.3 Traducciones . . . . . . ecosistema de Rust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 2.2 Código de ejemplo en esta formación . . . . . . . . . . . . . . . . . . . . . . 20 2.3 Ejecutar código de forma local ¿Qué es Rust? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 4.2 Ventajas de Rust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 4.3 Playground . . . .

published Large-scale Incremental Processing Using Distributed Transactions and Notifications, which de- scribed Percolator: a Google-internal database for ran- dom access transactional workloads where low nition of the ANSI SQL standard’s phantoms: phe- nomenon A3. The preventative definition of phantoms, P3, is “sometimes possible” under snapshot isolation. In discussion with Jepsen, PingCAP’s engineers clari- tested TiDB 2.1.7, 2.1.8, 3.0.0-beta.1, 3.0.0-beta.1- 40, and 3.0.0-rc.2. Our tests ran on a five-node De- bian Stretch cluster, with PD, TiKV, and TiDB on each node. We used a replication factor of 3 for

Cloning disk images . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 5.7 Host I/O caching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 5.8 Limiting bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98 6.9 Limiting bandwidth for network I/O . . . . . . . . . . . . . . . . . . . . . . . . . 99 6.10 Improving network performance . . . . . . virtual serial and parallel ports and an Input/Output Advanced Pro- grammable Interrupt Controller (I/O APIC), which is found in many modern PC sys- tems. This eases cloning of PC images from real machines

Cloning disk images . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 5.7 Host I/O caching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 5.8 Limiting bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 6.10 Limiting bandwidth for network I/O . . . . . . . . . . . . . . . . . . . . . . . . . 101 6.11 Improving network performance . . . . . virtual serial and parallel ports and an Input/Output Advanced Pro- grammable Interrupt Controller (I/O APIC), which is found in many modern PC sys- tems. This eases cloning of PC images from real machines

Please refer to the documentation on Handling media in custom CMS plugins and the django-sekizai documenta- tion for more information. Toolbar must be enabled explicitly in templates The toolbar no longer urls)), url(r'^', include('cms.urls')), ) if settings.DEBUG: urlpatterns = patterns('', url(r'^media/(?P.*)$', 'django.views.static.serve', {'document_root': settings.MEDIA_ROOT, 'show_indexes': True}) Defines the languages available in django CMS. Example: CMS_LANGUAGES = ( ('fr', gettext('French')), ('de', gettext('German')), ('en', gettext('English')), ) Note: Make sure you only define languages which

tutorial-project cd tutorial-project Run it to create a new Django project called mysite: djangocms -p . mysite Windows users may need to do a little extra to make sure Python files are associated correctly yes • Languages to enable. Option can be provided multiple times, or as a comma separated list: en, de • Optional default time zone: America/Chicago: • Activate Django timezone support: yes • Activate CMS ample, if your processor wraps the output in a div tag, you might end up having div tags inside of p tags, which is invalid. You can prevent such cases by returning rendered_content unchanged if instance

Please refer to the documentation on Handling media in custom CMS plugins and the django-sekizai documenta- tion for more information. 8 Chapter 1. Install django cms Documentation, Release 2.3.8 Toolbar to serve static media when developing: if settings.DEBUG: urlpatterns = patterns('', url(r'^media/(?P.*)$', 'django.views.static.serve', {'document_root': settings.MEDIA_ROOT, 'show_indexes': True}) urls)), url(r'^', include('cms.urls')), ) if settings.DEBUG: urlpatterns = patterns('', url(r'^media/(?P.*)$', 'django.views.static.serve', {'document_root': settings.MEDIA_ROOT, 'show_indexes': True})

urls)), url(r'^', include('cms.urls')), ) if settings.DEBUG: urlpatterns = patterns('', url(r'^media/(?P.*)$', 'django.views.static.serve', {'document_root': settings.MEDIA_ROOT, 'show_indexes': True}) either via {% language %} templatetag or via activate("de") function call in views. Before: {% url "de:myview" %} After: {% load i18n %}{% language "de" %} {% url "myview_name" %} {% endlanguage %} • reverse 'en', 'name': gettext('English'), 'fallbacks': ['de', 'fr'], 'public': True, 'hide_untranslated': True, 'redirect_on_fallback':False, }, { 'code': 'de', 'name': gettext('Deutsch'), 'fallbacks': ['en',