Personal Knowledge Management

git checkout develop /path/to/file.php

git checkout HEAD -- /path/to/file.php

if (isset($inputData)) {
    $param = $inputData;
} else {
    $param = 'default'; 
}

$param = $inputData ?? 'default';

$param = $inputData ?? $someData ?? 'default';

ol {
  counter-reset: list;
}
ol > li {
  list-style: none;
}
ol > li:before {
  content: counter(list) ") ";
  counter-increment: list;
}

git reset --hard origin/develop

git diff origin/develop..HEAD

git log origin/develop..HEAD

<script type="text/javascript">
...
$parent = $('#yourobject').parent();
$child = $('#yourobject').children(':first');
...
</script>

<monitors version="1">
  <configuration>
      <clone>no</clone>
      <output name="eDP-1">
          <vendor>BOE</vendor>
          <product>0x0653</product>
          <serial>0x00000000</serial>
          <width>1920</width>
          <height>1080</height>
          <rate>60</rate>
          <x>3840</x>
          <y>0</y>
          <rotation>normal</rotation>
          <reflect_x>no</reflect_x>
          <reflect_y>no</reflect_y>
          <primary>no</primary>
      </output>
      <output name="DP-1">
          <vendor>BNQ</vendor>
          <product>0x8016</product>
          <serial>0x00005445</serial>
          <width>1920</width>
          <height>1080</height>
          <rate>60</rate>
          <x>1920</x>
          <y>0</y>
          <rotation>normal</rotation>
          <reflect_x>no</reflect_x>
          <reflect_y>no</reflect_y>
          <primary>yes</primary>
      </output>
  </configuration>
</monitors>