Sometimes, we may have a bunch of empty directories left behind by certain scripts or programs. The below command allows us to get rid of these.
find <path-parent> -empty -type d -delete
eg. find . -empty -type d -deleteCategory: Uncategorized
How to check if a column with a particular name exists in a MySQL database
So,
Every now and then one runs into a situation where one has an idea of a column of a MySQL table.
A quick way to narrow down on the list of tables is to do a search using the part of the column name that one remembers.
SELECT DISTINCT TABLE_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE COLUMN_NAME LIKE "%string%";
Where “string” is the string one is searching for.
Why I like to write certifications
For those of us in IT, we have heard over and over again and probably participated in the argument as to whether certifications are worthwhile.
We all know that having a certification in a particular technology does not necessarily mean we can trust the bearer of the certification has the skills that it claims they have.
Whereas that is true, most of us keep going in year after year for more certifications or meeting the requirements that ensure that we maintain the ones we already have. This is not a simple task; it is both time demanding and costly. Continue reading “Why I like to write certifications”