Renaming column names in Pandas

How do I change the column labels of a pandas DataFrame from: [‘$a’, ‘$b’, ‘$c’, ‘$d’, ‘$e’] to [‘a’, ‘b’, ‘c’, ‘d’, ‘e’]. 3 32 RENAME SPECIFIC COLUMNS Use the df.rename() function and refer the columns to be renamed. Not all the columns have to be renamed: df = df.rename(columns={‘oldName1’: ‘newName1’, ‘oldName2’: ‘newName2’}) # Or … Read more

Rename a file using Java

Copied from http://exampledepot.8waytrips.com/egs/java.io/RenameFile.html // File (or directory) with old name File file = new File(“oldname”); // File (or directory) with new name File file2 = new File(“newname”); if (file2.exists()) throw new java.io.IOException(“file exists”); // Rename file (or directory) boolean success = file.renameTo(file2); if (!success) { // File was not successfully renamed } To append to the … Read more