calc에서 url 치는데 자꾸 italic 으로 기울여 쓰기 해서
검색해보니 자동고침에서 /문자열/ 의 경우 자동으로 바꾼다고..
리눅스 개발자도 좀 배려해달라!
[링크 : https://ask.libreoffice.org/t/lo-changing-text-to-italics/61544]
| libreoffice impress 색상 바꾸기(반전) (0) | 2024.12.17 |
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| libreoffice calc 중복제거 (0) | 2023.08.05 |
| libreoffice OpenCL 적용하기 (0) | 2023.08.04 |
btrfs는 fsck로 체크 못하고, btrfs 유틸리티의 check 명령을 통해서 확인해야 한다.
| # fsck /dev/mmcblk2p9 fsck from util-linux 2.37.4 If you wish to check the consistency of a BTRFS filesystem or repair a damaged filesystem, see btrfs(8) subcommand 'check'. # btrfs btrfs btrfs-convert btrfs-find-root btrfs-image btrfs-map-logical btrfs-select-super btrfsck btrfstune # btrfs check /dev/mmcblk2p9 Opening filesystem to check... Checking filesystem on /dev/mmcblk2p9 UUID: a6226cd4-fc4e-4e20-8861-5870feefb3da [1/7] checking root items [2/7] checking extents [3/7] checking free space tree [4/7] checking fs roots [5/7] checking only csums items (without verifying data) [6/7] checking root refs [7/7] checking quota groups skipped (not enabled on this FS) found 12189671424 bytes used, no error found total csum bytes: 11890008 total tree bytes: 14303232 total fs tree bytes: 180224 total extent tree bytes: 229376 btree space waste bytes: 1957387 file data blocks allocated: 12175368192 referenced 12171370496 |
man은 안되서 --help를 보는데 내용이 부실하긴 하다. restore와 rescue는 어떨 때 쓸 수 있으려나?
| # btrfs --help usage: btrfs [--help] [--version] [--format <format>] [-v|--verbose] [-q|--quiet] <group> [<group>...] <command> [<args>] btrfs balance start [options] <path> Balance chunks across the devices btrfs balance pause <path> Pause running balance btrfs balance cancel <path> Cancel running or paused balance btrfs balance resume <path> Resume interrupted balance btrfs balance status [-v] <path> Show status of running or paused balance btrfs check [options] <device> Check structural integrity of a filesystem (unmounted). btrfs device add [options] <device> [<device>...] <path> Add one or more devices to a mounted filesystem. btrfs device delete <device>|<devid> [<device>|<devid>...] <path> btrfs device remove <device>|<devid> [<device>|<devid>...] <path> Remove a device from a filesystem btrfs device scan [-d|--all-devices] <device> [<device>...] btrfs device scan -u|--forget [<device>...] Scan or forget (unregister) devices of btrfs filesystems btrfs device ready <device> Check and wait until a group of devices of a filesystem is ready for mount btrfs device stats [options] <path>|<device> Show device IO error statistics btrfs device usage [options] <path> [<path>..] Show detailed information about internal allocations in devices. btrfs filesystem df [options] <path> Show space usage information for a mount point btrfs filesystem du [options] <path> [<path>..] Summarize disk usage of each file. btrfs filesystem show [options] [<path>|<uuid>|<device>|label] Show the structure of a filesystem btrfs filesystem sync <path> Force a sync on a filesystem btrfs filesystem defragment [options] <file>|<dir> [<file>|<dir>...] Defragment a file or a directory btrfs filesystem resize [options] [devid:][+/-]<newsize>[kKmMgGtTpPeE]|[devid:]max <path> Resize a filesystem btrfs filesystem label [<device>|<mount_point>] [<newlabel>] Get or change the label of a filesystem btrfs filesystem usage [options] <path> [<path>..] Show detailed information about internal filesystem usage . btrfs inspect-internal inode-resolve [-v] <inode> <path> Get file system paths for the given inode btrfs inspect-internal logical-resolve [-Pvo] [-s bufsize] <logical> <path> Get file system paths for the given logical address btrfs inspect-internal subvolid-resolve <subvolid> <path> Get file system paths for the given subvolume ID. btrfs inspect-internal rootid <path> Get tree ID of the containing subvolume of path. btrfs inspect-internal min-dev-size [options] <path> Get the minimum size the device can be shrunk to btrfs inspect-internal dump-tree [options] <device> [<device> ..] Dump tree structures from a given device btrfs inspect-internal dump-super [options] device [device...] Dump superblock from a device in a textual form btrfs inspect-internal tree-stats [options] <device> Print various stats for trees btrfs property get [-t <type>] <object> [<name>] Get a property value of a btrfs object btrfs property set [-f] [-t <type>] <object> <name> <value> Set a property on a btrfs object btrfs property list [-t <type>] <object> Lists available properties with their descriptions for the given object btrfs qgroup assign [options] <src> <dst> <path> Assign SRC as the child qgroup of DST btrfs qgroup remove [options] <src> <dst> <path> Remove a child qgroup SRC from DST. btrfs qgroup create <qgroupid> <path> Create a subvolume quota group. btrfs qgroup destroy <qgroupid> <path> Destroy a quota group. btrfs qgroup show [options] <path> Show subvolume quota groups. btrfs qgroup limit [options] <size>|none [<qgroupid>] <path> Set the limits a subvolume quota group. btrfs quota enable <path> Enable subvolume quota support for a filesystem. btrfs quota disable <path> Disable subvolume quota support for a filesystem. btrfs quota rescan [-sw] <path> Trash all qgroup numbers and scan the metadata again with the current config. btrfs receive [options] <mount> btrfs receive --dump [options] Receive subvolumes from a stream btrfs replace start [-Bfr] <srcdev>|<devid> <targetdev> <mount_point> Replace device of a btrfs filesystem. btrfs replace status [-1] <mount_point> Print status and progress information of a running device replace operation btrfs replace cancel <mount_point> Cancel a running device replace operation. btrfs rescue chunk-recover [options] <device> Recover the chunk tree by scanning the devices one by one. btrfs rescue super-recover [options] <device> Recover bad superblocks from good copies btrfs rescue zero-log <device> Clear the tree log. Usable if it's corrupted and prevents mount. btrfs rescue fix-device-size <device> Re-align device and super block sizes. Usable if newer kernel refuse to mount it due to mismatch super size btrfs rescue create-control-device Create /dev/btrfs-control (see 'CONTROL DEVICE' in btrfs(5)) btrfs rescue clear-uuid-tree Delete uuid tree so that kernel can rebuild it at mount time btrfs restore [options] <device> <path> btrfs restore [options] -l <device> Try to restore files from a damaged filesystem (unmounted) btrfs scrub start [-BdqrRf] [-c ioprio_class -n ioprio_classdata] <path>|<device> Start a new scrub. If a scrub is already running, the new one fails. btrfs scrub cancel <path>|<device> Cancel a running scrub btrfs scrub resume [-BdqrR] [-c ioprio_class -n ioprio_classdata] <path>|<device> Resume previously canceled or interrupted scrub btrfs scrub status [-dR] <path>|<device> Show status of running or finished scrub btrfs send [-ve] [-p <parent>] [-c <clone-src>] [-f <outfile>] <subvol> [<subvol>...] Send the subvolume(s) to stdout. btrfs subvolume create [-i <qgroupid>] [<dest>/]<name> Create a subvolume btrfs subvolume delete [options] <subvolume> [<subvolume>...] btrfs subvolume delete [options] -i|--subvolid <subvolid> <path> Delete subvolume(s) btrfs subvolume list [options] <path> List subvolumes and snapshots in the filesystem. btrfs subvolume snapshot [-r] [-i <qgroupid>] <subvolume> { <subdir>/<name> | <subdir> } btrfs subvolume get-default <path> Get the default subvolume of a filesystem btrfs subvolume set-default <subvolume> btrfs subvolume set-default <subvolid> <path> Set the default subvolume of the filesystem mounted as default. btrfs subvolume find-new <path> <lastgen> List the recently modified files in a filesystem btrfs subvolume show [options] <path> Show more information about the subvolume (UUIDs, generations, times, snapshots) btrfs subvolume sync <path> [<subvol-id>...] Wait until given subvolume(s) are completely removed from the filesystem. btrfs help [--full] [--box] Display help information btrfs version Display btrfs-progs version Use --help as an argument for information on a specific group or command. Options for --format are: text, json |
| lsusb -v 로 본 장치(HID MT, mouse) (0) | 2024.03.08 |
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| systemd 지연된 시작 (0) | 2024.02.29 |
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| multitail / tail (2) | 2023.10.18 |
| top 로그로 남기기 (0) | 2023.10.17 |
개 한놈은 산책가자고 얼굴 핥아대고
개 다른 한놈은 코로 문열고 들어와서 굴러 다니지도 못하게 하고 -_-
| 주말이 짧다 (0) | 2024.02.25 |
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| 으윽 비가 온다. (0) | 2024.02.18 |
| 애견놀이터 민원은 실패 (0) | 2024.02.03 |
| 상병발생원인 신고서? (2) | 2024.02.02 |
| 온천 다녀옴 (0) | 2024.01.28 |
switch로 두가지 형태가 존재하는데
하나는 일반적인 변수에 대한 분기를 처리하는 것이고
| switch variable { case variable_type_value : } |
다른 하나는 switch의 탈을 쓴 if문?
| switch { case statement: } |
혼합해서 해보니
statement 쪽에서 숫자를 int 형으로 변환할 수 없다고 에러가 발생한다.
| switch variable { case variable_type_value : case statement: } |
| golang runtime.GOMAXPROCS() (0) | 2024.02.15 |
|---|---|
| golang echo 템플릿 파일로 불러오기 (0) | 2024.02.14 |
| golang switch - fallthrough (0) | 2024.02.08 |
| golang break, continue 라벨 그리고 goto (0) | 2024.02.08 |
| golang import (0) | 2024.02.07 |
어우.. 키워드 긴것 보소 -_-
fallthrough 하면 c에서 break 없이 case를 붙이면 조건 비교는 없이 다음 case를 실행했었는데
golang 에서도 조건을 보진 않고 그냥 다음 문장을 수행한다.
다만 가장 마지막 case에는 당연히(?) fallthrough를 넣으면 에러가 발생한다.
| package main import "fmt" func main() { i := 45 switch { case i < 10: fmt.Println("i is less than 10") fallthrough case i < 50: fmt.Println("i is less than 50") fallthrough case i < 100: fmt.Println("i is less than 100") } } |
| Output i is less than 50 i is less than 100 |
[링크 : https://golangbyexample.com/fallthrough-keyword-golang/]
[링크 : https://pyrasis.com/book/GoForTheReallyImpatient/Unit19/02]
| golang echo 템플릿 파일로 불러오기 (0) | 2024.02.14 |
|---|---|
| golang switch (0) | 2024.02.08 |
| golang break, continue 라벨 그리고 goto (0) | 2024.02.08 |
| golang import (0) | 2024.02.07 |
| golang iota (0) | 2024.02.07 |
어우.. 문법이 이해하기 좀 빡세네?
c에서 goto는 해당 위치로 간다는게 직관적이었지만 golang에서 break, continue는 딱 와닫지 않는다.
특히나 예제에서 2중 루프를 돌리면 해당 라벨로 점프하는 느낌이 아니라
nested loop만 빠져나가는 것 같은데 어떻게 이해해야하려나?
반대로.. 해당 루프를 continue 하는거니까, 내부 loop를 break 하는걸로 이해하면 되나?
| var err error timeout := time.After(30 * time.Second) sigChan := make(chan os.Signal, 1) signal.Notify(sigChan, os.Interrupt) complete := make(chan error) go launchProcessor(complete) Loop: for { select { case <-sigChan: atomic.StoreInt32(&shutdownFlag, 1) continue case <-timeout: os.Exit(1) case err = <-complete: break Loop } } return err |
| guestList := []string{"bill", "jill", "joan"} arrived := []string{"sally", "jill", "joan"} CheckList: for _, guest := range guestList { for _, person := range arrived { fmt.Printf("Guest[%s] Person[%s]\n", guest, person) if person == guest { fmt.Printf("Let %s In\n", person) continue CheckList } } } |
[링크 : https://www.ardanlabs.com/blog/2013/11/label-breaks-in-go.html]
[링크 : https://pyrasis.com/book/GoForTheReallyImpatient/Unit17/01]
goto는 한 함수 내에서 label이 유효하여 아래와 같이 다른 함수를 넘나들순 없게 구성되었다고 한다.
c와의 차이점이라고 해야하나..
| package main import "fmt" func main() { learnGoTo() } func learnGoTo() { fmt.Println("a") goto FINISH fmt.Println("b") } func test() { FINISH: fmt.Println("c") } |
[링크 : https://golangbyexample.com/goto-statement-go/]
[링크 : https://pyrasis.com/book/GoForTheReallyImpatient/Unit18]
| golang switch (0) | 2024.02.08 |
|---|---|
| golang switch - fallthrough (0) | 2024.02.08 |
| golang import (0) | 2024.02.07 |
| golang iota (0) | 2024.02.07 |
| golang echo session check (0) | 2024.02.06 |
golang 에서 import시 _는 써봤는데, .이랑 별칭은 첨 본 듯..
. 은 namespace(?)가 꼬일수 있으니 주의해서 쓰라고 한다.
| import _ "time" import . "time" import t "time" |
[링크 : https://go.dev/doc/effective_go#package-names]
[링크 : https://knight76.tistory.com/entry/go-lang-import-별명-alias]
| golang switch - fallthrough (0) | 2024.02.08 |
|---|---|
| golang break, continue 라벨 그리고 goto (0) | 2024.02.08 |
| golang iota (0) | 2024.02.07 |
| golang echo session check (0) | 2024.02.06 |
| golang echo template engine (0) | 2024.01.31 |
iota는 매우 적은 양이라는 뜻이라는데..
[링크 : https://www.etymonline.com/kr/word/iota]
c의 enum 형에서 0부터 시작할때 첫 변수에 iota로 할당하면 된다.
[링크 : https://go.dev/wiki/Iota]
| golang break, continue 라벨 그리고 goto (0) | 2024.02.08 |
|---|---|
| golang import (0) | 2024.02.07 |
| golang echo session check (0) | 2024.02.06 |
| golang echo template engine (0) | 2024.01.31 |
| gin ui (0) | 2024.01.30 |
| spring 다시 시작 (0) | 2020.01.15 |
|---|---|
| spring boot 어플리케이션 로그 0:0:0:0:0:0:0:1 (0) | 2020.01.13 |
| jsoup html body 사이즈 제한 (0) | 2019.09.26 |
| java 메모리 관련...2? (0) | 2019.07.06 |
| java.lang.OutOfMemoryError: GC overhead limit exceeded (1) | 2019.07.06 |
_로 자릿수를 표현할 수 있다는걸 처음 알았다
[링크 : https://cotnmin.dev/4]
[링크 : https://www.javascripttutorial.net/es-next/javascript-numeric-separator/]
| qr decoder part 2 (0) | 2024.04.07 |
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| html video 재생종료 event (0) | 2023.09.02 |
| 숫자에 콤마 찍기(자릿수 표현) (0) | 2023.07.27 |
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