我在做git diff
,我第一次在線旁看到雙加號。git diff中的兩個加號是什麼意思?
++ if ($field_name == $selected) {
++
++ echo "field_type: {$field['type']}\n";
++ echo "field_name: {$field_name}\n";
++
++ foreach ($node->$field_name as $language => $value) {
這是什麼意思?我GOOGLE了它,而this result並沒有真正解釋它。我看着man
和一個例子,我發現似乎沒有解釋之一:
3. It is followed by two-line from-file/to-file header
--- a/file
+++ b/file
Similar to two-line header for traditional unified diff format, /dev/null is used to signal created or deleted files.
是什麼意思?我對文件進行了修改,使其大於以前版本的50%。它是否與文件重寫有關?那是我犯下這件事時發生的事情。