Byla vydána nová major verze 28.0 programovacího jazyka Erlang (Wikipedie) a související platformy OTP (Open Telecom Platform, Wikipedie). Přehled novinek v příspěvku na blogu.
Český telekomunikační úřad zveřejnil Výroční zprávu za rok 2024 (pdf), kde shrnuje své aktivity v loňském roce a přináší i základní popis situace na trhu. Celkový objem přenesených mobilních dat za rok 2024 dosáhl dle odhadu hodnoty přibližně 1,73 tis. PB a jeho meziroční nárůst činí zhruba 30 %. Průměrná měsíční spotřeba dat na datovou SIM kartu odhadem dosáhla 12,5 GB – v předchozím roce šlo o 9,8 GB.
Z novinek představených na Google I/O 2025: Přehledy od AI (AI Overviews) se rozšiřují do dalších zemí. Užitečné, syntetizované přehledy od generativní AI jsou nově k dispozici i českým uživatelům Vyhledávače.
Šestice firem označovaných jako „MAMAAN“ – tedy Meta (Facebook, Instagram), Alphabet (Google), Microsoft, Apple, Amazon a Netflix – je zodpovědná za více než padesát procent světového internetového provozu. Dalšími velkými hráči jsou TikTok a Disney+. Společně tak zásadně určují podobu digitálního prostředí, spotřebitelského chování i budoucích trendů v oblasti technologií. I přesto, že se podíl těchto gigantů od roku 2023 o něco snížil, jejich dominantní postavení zvyšuje volání po regulaci.
Evropská komise (EK) navrhuje zavést plošný poplatek ve výši dvou eur (zhruba 50 Kč) za každý malý balík vstupující do Evropské unie. Poplatek se má týkat balíků v hodnotě do 150 eur (zhruba 3700 Kč), které v EU nepodléhají clu. V loňském roce bylo do EU doručeno kolem 4,6 miliardy takovýchto balíků. Poplatek má krýt náklady na kontroly rostoucího počtu zásilek levného zboží, které pochází především z Číny.
Dnes a zítra probíhá vývojářská konference Google I/O 2025. Sledovat lze na YouTube a na síti 𝕏 (#GoogleIO).
V Bostonu probíhá konference Red Hat Summit 2025. Vybrané přednášky lze sledovat na YouTube. Dění lze sledovat na síti 𝕏 (#RHSummit).
Společnost Red Hat oficiálně oznámila vydání Red Hat Enterprise Linuxu 10. Vedle nových vlastností přináší také aktualizaci ovladačů a předběžné ukázky budoucích technologií. Podrobnosti v poznámkách k vydání.
Tuto sobotu 24. května se koná historicky první komunitní den projektu Home Assistant. Zváni jsou všichni příznivci, nadšenci a uživatelé tohoto projektu. Pro účast je potřebná registrace. Odkazy na akce v Praze a v Bratislavě.
Troy Hunt představil Have I Been Pwned 2.0, tj. nový vylepšený web služby, kde si uživatelé mohou zkontrolovat, zda se jejich hesla a osobní údaje neobjevily v únicích dat a případně se nechat na další úniky upozorňovat.
lsmod
, ten modul by se měl jmenovat podobně jako síťovka, jejíž jméno zjistíš lspci
.
Taky by možná mohl používat mii
:
$ lsmod Module Size Used by ... mii 5952 1 jméno_modulu_pro_tvojí_síťovku ...
omlouvám se, ale nešlo mi to dát do tagu pre.Mně to tedy do <pre> jde dát:
fs/eventpoll.c: In function ‘sys_epoll_create’: fs/eventpoll.c:500: warning: ‘fd’ may be used uninitialized in this function fs/udf/balloc.c: In function ‘udf_table_new_block’: fs/udf/balloc.c:751: warning: ‘goal_eloc.logicalBlockNum’ may be used uninitialized in this function fs/udf/super.c: In function ‘udf_fill_super’: fs/udf/super.c:1358: warning: ‘ino.partitionReferenceNum’ may be used uninitialized in this function fs/xfs/xfs_dir.c: In function ‘xfs_dir_removename’: fs/xfs/xfs_dir.c:363: warning: ‘totallen’ may be used uninitialized in this function fs/xfs/xfs_dir.c:363: warning: ‘count’ may be used uninitialized in this function fs/xfs/xfs_inode.c: In function ‘xfs_ifree’: fs/xfs/xfs_inode.c:1960: warning: ‘last_offset’ may be used uninitialized in this function fs/xfs/xfs_inode.c:1958: warning: ‘last_dip’ may be used uninitialized in this function fs/xfs/xfs_log.c: In function ‘xlog_write’: fs/xfs/xfs_log.c:1749: warning: ‘iclog’ may be used uninitialized in this function fs/xfs/xfs_log_recover.c: In function ‘xlog_find_tail’: fs/xfs/xfs_log_recover.c:523: warning: ‘first_blk’ may be used uninitialized in this function ipc/msg.c: In function ‘sys_msgctl’: ipc/msg.c:338: warning: ‘setbuf.qbytes’ may be used uninitialized in this function ipc/msg.c:338: warning: ‘setbuf.uid’ may be used uninitialized in this function ipc/msg.c:338: warning: ‘setbuf.gid’ may be used uninitialized in this function ipc/msg.c:338: warning: ‘setbuf.mode’ may be used uninitialized in this function ipc/sem.c: In function ‘sys_semctl’: ipc/sem.c:810: warning: ‘setbuf.uid’ may be used uninitialized in this function ipc/sem.c:810: warning: ‘setbuf.gid’ may be used uninitialized in this function ipc/sem.c:810: warning: ‘setbuf.mode’ may be used uninitialized in this function drivers/char/ftape/lowlevel/fdc-io.c: In function ‘fdc_command’: drivers/char/ftape/lowlevel/fdc-io.c:217: warning: ‘restore_flags’ is deprecated (declared at include/linux/interrupt.h:84) drivers/char/ftape/lowlevel/fdc-io.c: In function ‘fdc_setup_formatting’: drivers/char/ftape/lowlevel/fdc-io.c:885: warning: ‘restore_flags’ is deprecated (declared at include/linux/interrupt.h:84) drivers/char/ftape/lowlevel/fdc-isr.c: In function ‘fdc_isr’: drivers/char/ftape/lowlevel/fdc-isr.c:1094: warning: ‘sti’ is deprecated (declared at include/linux/interrupt.h:75) drivers/char/ftape/lowlevel/ftape-io.c: In function ‘ftape_sleep’: drivers/char/ftape/lowlevel/ftape-io.c:98: warning: ‘save_flags’ is deprecated (declared at include/linux/interrupt.h:79) drivers/char/ftape/lowlevel/ftape-io.c:99: warning: ‘sti’ is deprecated (declared at include/linux/interrupt.h:75) drivers/char/ftape/lowlevel/ftape-io.c:106: warning: ‘restore_flags’ is deprecated (declared at include/linux/interrupt.h:84) drivers/char/ftape/lowlevel/ftape-format.c: In function ‘ftape_format_track’: drivers/char/ftape/lowlevel/ftape-format.c:135: warning: ‘restore_flags’ is deprecated (declared at include/linux/interrupt.h:84) drivers/char/ftape/zftape/zftape-read.c: In function ‘_zft_read’: drivers/char/ftape/zftape/zftape-read.c:298: warning: ‘req_clipped’ may be used uninitialized in this function drivers/char/ipmi/ipmi_si_intf.c: In function ‘init_ipmi_si’: drivers/char/ipmi/ipmi_si_intf.c:1797: warning: ‘data.irq’ may be used uninitialized in this function drivers/ide/ide-tape.c: In function ‘idetape_copy_stage_from_user’: drivers/ide/ide-tape.c:2663: warning: ignoring return value of ‘copy_from_user’, declared with attribute warn_unused_result drivers/ide/ide-tape.c: In function ‘idetape_copy_stage_to_user’: drivers/ide/ide-tape.c:2690: warning: ignoring return value of ‘copy_to_user’, declared with attribute warn_unused_result drivers/input/serio/serio_raw.c: In function ‘serio_raw_read’: drivers/input/serio/serio_raw.c:164: warning: ‘c’ may be used uninitialized in this function drivers/message/i2o/exec-osm.c: In function ‘i2o_msg_post_wait_mem’: drivers/message/i2o/exec-osm.c:187: warning: comparison of distinct pointer types lacks a cast drivers/mtd/chips/cfi_cmdset_0020.c: In function ‘cfi_staa_init’: drivers/mtd/chips/cfi_cmdset_0020.c:1417: warning: ‘inter_module_register’ is deprecated (declared at include/linux/module.h:563) drivers/mtd/chips/cfi_cmdset_0020.c: In function ‘cfi_staa_exit’: drivers/mtd/chips/cfi_cmdset_0020.c:1423: warning: ‘inter_module_unregister’ is deprecated (declared at include/linux/module.h:564) drivers/mtd/chips/cfi_cmdset_0002.c: In function ‘cfi_amdstd_init’: drivers/mtd/chips/cfi_cmdset_0002.c:1766: warning: ‘inter_module_register’ is deprecated (declared at include/linux/module.h:563) drivers/mtd/chips/cfi_cmdset_0002.c: In function ‘cfi_amdstd_exit’: drivers/mtd/chips/cfi_cmdset_0002.c:1773: warning: ‘inter_module_unregister’ is deprecated (declared at include/linux/module.h:564) drivers/mtd/chips/cfi_cmdset_0001.c: In function ‘cfi_intelext_init’: drivers/mtd/chips/cfi_cmdset_0001.c:2454: warning: ‘inter_module_register’ is deprecated (declared at include/linux/module.h:563) drivers/mtd/chips/cfi_cmdset_0001.c:2455: warning: ‘inter_module_register’ is deprecated (declared at include/linux/module.h:563) drivers/mtd/chips/cfi_cmdset_0001.c:2456: warning: ‘inter_module_register’ is deprecated (declared at include/linux/module.h:563) drivers/mtd/chips/cfi_cmdset_0001.c: In function ‘cfi_intelext_exit’: drivers/mtd/chips/cfi_cmdset_0001.c:2462: warning: ‘inter_module_unregister’ is deprecated (declared at include/linux/module.h:564) drivers/mtd/chips/cfi_cmdset_0001.c:2463: warning: ‘inter_module_unregister’ is deprecated (declared at include/linux/module.h:564) drivers/mtd/chips/cfi_cmdset_0001.c:2464: warning: ‘inter_module_unregister’ is deprecated (declared at include/linux/module.h:564) drivers/mtd/chips/gen_probe.c: In function ‘cfi_cmdset_unknown’: drivers/mtd/chips/gen_probe.c:210: warning: ‘inter_module_put’ is deprecated (declared at include/linux/module.h:567) drivers/mtd/devices/doc2000.c: In function ‘init_doc2000’: drivers/mtd/devices/doc2000.c:1282: warning: ‘inter_module_register’ is deprecated (declared at include/linux/module.h:563) drivers/mtd/devices/doc2000.c: In function ‘cleanup_doc2000’: drivers/mtd/devices/doc2000.c:1301: warning: ‘inter_module_unregister’ is deprecated (declared at include/linux/module.h:564) drivers/mtd/devices/doc2001.c: In function ‘init_doc2001’: drivers/mtd/devices/doc2001.c:861: warning: ‘inter_module_register’ is deprecated (declared at include/linux/module.h:563) drivers/mtd/devices/doc2001.c: In function ‘cleanup_doc2001’: drivers/mtd/devices/doc2001.c:880: warning: ‘inter_module_unregister’ is deprecated (declared at include/linux/module.h:564) drivers/mtd/devices/doc2001plus.c: In function ‘init_doc2001plus’: drivers/mtd/devices/doc2001plus.c:1127: warning: ‘inter_module_register’ is deprecated (declared at include/linux/module.h:563) drivers/mtd/devices/doc2001plus.c: In function ‘cleanup_doc2001plus’: drivers/mtd/devices/doc2001plus.c:1146: warning: ‘inter_module_unregister’ is deprecated (declared at include/linux/module.h:564) drivers/mtd/devices/docprobe.c: In function ‘DoC_Probe’: drivers/mtd/devices/docprobe.c:315: warning: ‘inter_module_put’ is deprecated (declared at include/linux/module.h:567) drivers/mtd/redboot.c: In function ‘parse_redboot_partitions’: drivers/mtd/redboot.c:103: warning: passing argument 1 of ‘__swab32s’ from incompatible pointer type drivers/mtd/redboot.c:104: warning: passing argument 1 of ‘__swab32s’ from incompatible pointer type drivers/mtd/redboot.c:105: warning: passing argument 1 of ‘__swab32s’ from incompatible pointer type drivers/mtd/redboot.c:106: warning: passing argument 1 of ‘__swab32s’ from incompatible pointer type drivers/mtd/redboot.c:107: warning: passing argument 1 of ‘__swab32s’ from incompatible pointer type drivers/mtd/redboot.c:108: warning: passing argument 1 of ‘__swab32s’ from incompatible pointer type drivers/mtd/redboot.c:109: warning: passing argument 1 of ‘__swab32s’ from incompatible pointer type drivers/scsi/sata_svw.c: In function ‘k2_sata_tf_load’: drivers/scsi/sata_svw.c:115: warning: passing argument 2 of ‘writeb’ makes pointer from integer without a cast drivers/scsi/sata_svw.c:120: warning: passing argument 2 of ‘writew’ makes pointer from integer without a cast drivers/scsi/sata_svw.c:121: warning: passing argument 2 of ‘writew’ makes pointer from integer without a cast drivers/scsi/sata_svw.c:122: warning: passing argument 2 of ‘writew’ makes pointer from integer without a cast drivers/scsi/sata_svw.c:123: warning: passing argument 2 of ‘writew’ makes pointer from integer without a cast drivers/scsi/sata_svw.c:124: warning: passing argument 2 of ‘writew’ makes pointer from integer without a cast drivers/scsi/sata_svw.c:126: warning: passing argument 2 of ‘writew’ makes pointer from integer without a cast drivers/scsi/sata_svw.c:127: warning: passing argument 2 of ‘writew’ makes pointer from integer without a cast drivers/scsi/sata_svw.c:128: warning: passing argument 2 of ‘writew’ makes pointer from integer without a cast drivers/scsi/sata_svw.c:129: warning: passing argument 2 of ‘writew’ makes pointer from integer without a cast drivers/scsi/sata_svw.c:130: warning: passing argument 2 of ‘writew’ makes pointer from integer without a cast drivers/scsi/sata_svw.c:134: warning: passing argument 2 of ‘writeb’ makes pointer from integer without a cast drivers/scsi/sata_svw.c: In function ‘k2_sata_tf_read’: drivers/scsi/sata_svw.c:146: warning: passing argument 1 of ‘readw’ makes pointer from integer without a cast drivers/scsi/sata_svw.c:147: warning: passing argument 1 of ‘readw’ makes pointer from integer without a cast drivers/scsi/sata_svw.c:148: warning: passing argument 1 of ‘readw’ makes pointer from integer without a cast drivers/scsi/sata_svw.c:149: warning: passing argument 1 of ‘readw’ makes pointer from integer without a cast drivers/scsi/sata_svw.c:150: warning: passing argument 1 of ‘readw’ makes pointer from integer without a cast drivers/scsi/sata_svw.c:151: warning: passing argument 1 of ‘readw’ makes pointer from integer without a cast drivers/scsi/sata_vsc.c: In function ‘vsc_sata_tf_load’: drivers/scsi/sata_vsc.c:152: warning: passing argument 2 of ‘writew’ makes pointer from integer without a cast drivers/scsi/sata_vsc.c:153: warning: passing argument 2 of ‘writew’ makes pointer from integer without a cast drivers/scsi/sata_vsc.c:154: warning: passing argument 2 of ‘writew’ makes pointer from integer without a cast drivers/scsi/sata_vsc.c:155: warning: passing argument 2 of ‘writew’ makes pointer from integer without a cast drivers/scsi/sata_vsc.c:156: warning: passing argument 2 of ‘writew’ makes pointer from integer without a cast drivers/scsi/sata_vsc.c:158: warning: passing argument 2 of ‘writew’ makes pointer from integer without a cast drivers/scsi/sata_vsc.c:159: warning: passing argument 2 of ‘writew’ makes pointer from integer without a cast drivers/scsi/sata_vsc.c:160: warning: passing argument 2 of ‘writew’ makes pointer from integer without a cast drivers/scsi/sata_vsc.c:161: warning: passing argument 2 of ‘writew’ makes pointer from integer without a cast drivers/scsi/sata_vsc.c:162: warning: passing argument 2 of ‘writew’ makes pointer from integer without a cast drivers/scsi/sata_vsc.c:166: warning: passing argument 2 of ‘writeb’ makes pointer from integer without a cast drivers/scsi/sata_vsc.c: In function ‘vsc_sata_tf_read’: drivers/scsi/sata_vsc.c:178: warning: passing argument 1 of ‘readw’ makes pointer from integer without a cast drivers/scsi/sata_vsc.c:179: warning: passing argument 1 of ‘readw’ makes pointer from integer without a cast drivers/scsi/sata_vsc.c:180: warning: passing argument 1 of ‘readw’ makes pointer from integer without a cast drivers/scsi/sata_vsc.c:181: warning: passing argument 1 of ‘readw’ makes pointer from integer without a cast drivers/scsi/sata_vsc.c:182: warning: passing argument 1 of ‘readw’ makes pointer from integer without a cast drivers/scsi/sata_vsc.c:183: warning: passing argument 1 of ‘readw’ makes pointer from integer without a cast drivers/scsi/sata_vsc.c: In function ‘vsc_sata_setup_port’: drivers/scsi/sata_vsc.c:320: warning: passing argument 2 of ‘writel’ makes pointer from integer without a cast drivers/scsi/sata_vsc.c:321: warning: passing argument 2 of ‘writel’ makes pointer from integer without a cast drivers/scsi/fdomain.c:425: warning: ‘ports’ defined but not used drivers/scsi/fdomain.c:469: warning: ‘signatures’ defined but not used drivers/scsi/fdomain.c:652: warning: ‘fdomain_get_irq’ defined but not used drivers/usb/misc/auerswald.c: In function ‘auerchain_control_msg’: drivers/usb/misc/auerswald.c:667: warning: ‘length’ may be used uninitialized in this function net/ipv4/netfilter/ip_conntrack_ftp.c: In function ‘help’: net/ipv4/netfilter/ip_conntrack_ftp.c:298: warning: ‘matchoff’ may be used uninitialized in this function net/ipv4/netfilter/ip_conntrack_ftp.c:298: warning: ‘matchlen’ may be used uninitialized in this functionA jinak varování by měla být "OK", nás programátory zajímaj' jenom errory
A jinak varování by měla být "OK", nás programátory zajímaj' jenom errory
Tak to asi nejsem programátor, svůj kód se snažím psát podle zásady "0 warnings při -Wall
". A už se mi to párkrát vyplatilo… :-)
eclipse
nezobrazovalo ani jeden žlutý trojúhelníček -Wall -ansi -pedantic
deb http://ftp.cz.debian.org/debian jessie main contrib non-free
http://kmuto.jp/debian/hcl/index.cgi
make > /dev/null
make 2> /dev/null
make | sed '/^.*[Ww]arning.*$/d'
grep -v
x
obsahuje 10000 radku
warning: bla bla blaVysledky:
[pasmen@nyx tmp]$ time cat x | sed '/^.*[Ww]arning.*$/d' real 0m0.107s user 0m0.097s sys 0m0.002s [pasmen@nyx tmp]$ time cat x | grep -v '[Ww]arning' real 0m21.110s user 0m19.641s sys 0m0.104s:D
cat
měřit, jak dlouho běží sed
a grep
?
time (cat x | sed '/^.*[Ww]arning.*$/d') real 0m0.071s user 0m0.044s sys 0m0.004s time (grep -v '[Ww]arning' x) real 0m0.006s user 0m0.004s sys 0m0.000s
Tiskni
Sdílej: