Shaoliang JiaOverviewFrom the openjdk documentation, Lambda is reviewed as an “expression”. The compiler or JRE will need to generate Java class from this…4 min read·Apr 5, 2020----
Shaoliang JiainMac O’ClockStrikethrough Shortcut Key for Multiple Apps on macOSThere is No default strikethrough shortcut key on macOS. Here is a simple way to enable this shortcut for multiple apps.1 min read·Feb 28, 2020----
Shaoliang JiaIntroduction/Business ProblemI am planning to start a salad shop in my hometown. The location of the shop is always the key success factor for a food and beverage…9 min read·May 23, 2019----
Shaoliang JiaWhy Do We Need to Calculate Cost Before Back-propagation?A typical flow in neural network is like this: init parameters, forward-propagation, calculate cost, backward-propagation.1 min read·Nov 5, 2018----
Shaoliang JiaFalse PositiveYou always need to think about how to deal with false positive in machine learning. There is false positive in facial recognition, in…1 min read·Oct 31, 2018----
Shaoliang JiaPick HyperparametersIn machine learning, hyperparameters are any parameter other than weights and bias, e.g., number of iteration, learning rate.1 min read·Oct 29, 2018----
Shaoliang JiaStandard DeviationIn dataset, standard deviation is the square root of variance.1 min read·Oct 22, 2018----
Shaoliang Jianumpy.random.randnnumpy.random.randn is the function to product a sample (or samples) from the “standard normal” distribution.1 min read·Oct 8, 2018----
Shaoliang JiaNorm in RegularisationFirstly, Norm is not normalisation. Norm is a function to assign length or size of a vector. In regularisation, there are 3 frequently…1 min read·Oct 4, 2018----
Shaoliang JiaStandardisation vs NormalisationStandardisation and normalisation are two commonly used statistical terms in machine learning. Sometimes people confuse one with the other.1 min read·Oct 2, 2018----