Dec 19, 2021OneMap SG Latitude/ Longitude conversionIt's very often to come across datasets from data.gov.sg or open data from Singapore government's portals with X- and Y-coordinates...
Jun 20, 2021Working with regex - PythonRecently I had to work with regex and wasn't sure if I was going to get the output I want based on the regex I came up with/ the...
May 20, 2021Conf42: Python 2021 Talk - AnnouncementI'll be giving a talk on the above at Conf42: Python 2021. More details can be found here: http://www.conf42.com/Python_2021_Hui_Xiang_Ch...
Nov 5, 2020Jupyter notebook pointing to wrong virtual environmentI recently cultivated the habit of using virtual environment a.k.a virtualenv (should have done it long time ago for better project...
Oct 26, 2020Handling None and NaN in Pandas - PythonThe other day as I was reading in a data from BigQuery into pandas dataframe, I realised the data type for column containing all nulls...
Jul 31, 2020Engineering job openings in SingaporeThe following information for over 5000 job opening listed on a government portal for virtual career fairs was scraped: title, company,...
Jul 8, 2020Creating a blended/ average face based on multiple facesWith current deep learning algorithms, we can create a new (averaged) face based on photos of multiple faces and this can be done easily....
Jun 13, 2020EuroPython 2020 Presentation - AnnouncementFor the latest call for proposals to include other timezones from Asia Pacific and Americas, I decided to submit a talk and am glad that...
May 30, 2020Extracting text data from online imageHere's the link to the exact notebook: https://github.com/hxchua/datadoubleconfirm/blob/master/notebooks/pytesseract_onlineimage.ipynb.
May 16, 2020Line charts with Matplotlib and SeabornIt took me really long to figure out how to plot the charts out using matplotlib and seaborn. If you need to use major/ minor ticks,...
