pOH7

    /**
     * Searching string with special characters in MongoDB document
     * @param keyword string with special characters
     * @return pattern, e.g. Criteria.where(field).regex(pattern);
     */
    public static Pattern generatePattern(String keyword) {
        checkArgument(StringUtils.isNotEmpty(keyword));

        keyword = keyword.replace("*", "\\*")
                .replace(".", "\\.");

pOH7

/* 
 * pohvii: my personal keymap
 */
#include "keymap_common.h"


#ifdef KEYMAP_SECTION_ENABLE
const uint8_t keymaps[][MATRIX_ROWS][MATRIX_COLS] __attribute__ ((section (".keymap.keymaps"))) = {
#else
const uint8_t keymaps[][MATRIX_ROWS][MATRIX_COLS] PROGMEM = {

pOH7

使用ffmpeg合并MP4文件

ffmpeg -i "Apache Sqoop Tutorial Part 1.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate1.ts
ffmpeg -i "Apache Sqoop Tutorial Part 2.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate2.ts
ffmpeg -i "Apache Sqoop Tutorial Part 3.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate3.ts
ffmpeg -i "Apache Sqoop Tutorial Part 4.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate4.ts
ffmpeg -i "concat:intermediate1.ts|intermediate2.ts|intermediate3.ts|intermediate4.ts" -c copy -bsf:a aac_adtstoasc "Apache Sqoop Tutorial.mp4"

pOH7

[
  [
    "~\n`",
    "F1",
    "F2",
    "F3",
    "F4",
    "F5",
    "F6",
    "F7",

pOH7

[
  [
    "Esc",
    "!\n1",
    "@\n2",
    "#\n3",
    "$\n4",
    "%\n5",
    "^\n6",
    "&\n7",