[應用程式] Chrome擴充功能

Chrome擴充功能

●JSON Formatter

JSON parser.

●OneTab

收藏分業,節省記憶體.

[C] Linux GNU Extensions to the C Language Family

Linux有一些C語言的用法並不是標準C語言,其定義在下面文件

6 Extensions to the C Language Family
https://gcc.gnu.org/onlinedocs/gcc/C-Extensions.html


6.29 Designated Initializers
https://gcc.gnu.org/onlinedocs/gcc/Designated-Inits.html

[Samsumg] 三星手機電話錄音(語音錄音) Cube ACR

此軟體要到三星APP下載.

S22電話錄音軟體: Cube ACR - Call Recorder
https://apps.samsung.com/appquery/appDetail.as?appId=com.catalinagroup.callrecorder.sgs

[Win10][Android] Android和Windows無線互相傳檔/分享檔案 (Google快速分享)

android提供一套Windows應用程式能快速在兩者間用無線方式傳檔案
https://www.android.com/better-together/quick-share-app/

1. 電腦傳到手機

[Win10] 開啟休眠選項

開啟消失的休眠選項

1. 命令提示字元(系統管理員)
2. C:\WINDOWS\system32>powercfg /H on

[C][string] strtok/strtok_r 字串切割

字串切割 
string tokenization

#include <stdio.h>
#include <string.h>
#include <stdlib.h>

int main(int argc, char **argv)
{
    const char * const str = "MAC-:AA-BB-CC-DD-EE-FF";
    const char * const delimitation = "-:";
    char * const dupstr = strdup(str);
    char *saveptr = NULL, *substr = NULL;
    int i = 0;

    printf("original: %s (%p)\n", dupstr, dupstr);
    
    substr = strtok_r(dupstr, delimitation, &saveptr);

    do {
        printf("#%d after parsing: %s (%p)\n", i++, substr, substr);
        substr = strtok_r(NULL, delimitation, &saveptr);
    } while (substr);
    
}

/*
[Result]
original: MAC-:AA-BB-CC-DD-EE-FF (0x55f73e1e42a0)
#0 after parsing: MAC (0x55f73e1e42a0)
#1 after parsing: AA (0x55f73e1e42a5)
#2 after parsing: BB (0x55f73e1e42a8)
#3 after parsing: CC (0x55f73e1e42ab)
#4 after parsing: DD (0x55f73e1e42ae)
#5 after parsing: EE (0x55f73e1e42b1)
#6 after parsing: FF (0x55f73e1e42b4)
*/

[C][string] strstr/strchr用法

在字串中找特定字

eq,
在”ABCDEF”中找”CD” → 用strstr,不能用strchr,記憶體會壞掉
在”ABCDEF”中找’C’ → 用strchr,也可以用strstr