Useful tips for everyday
How long will a phone stay charged when turned off? If a phone is set to standby mode, it can last a longer amount of…
What is the loss function for random forest? For the random forest classifier, this is the Gini impurity. The training loss is often called the…
How does an asynchronous client socket work in.net? An asynchronous client socket does not suspend the application while waiting for network operations to complete. Instead,…
What is the symbol for independent? Independence is denoted ⊥⊥ not orthogonal ⊥. Use “\perp \ ! What does this symbol mean ⊥? Perpendicular lines…
What problems do foreign keys introduce? Foreign key problems A foreign key might point to data that no longer exists, or the foreign key’s data…
When you delete a contact can you get it back? You can undo any changes you made to your contacts during the past 30 days,…
How do I become a YouTube translator? Submit contributions Go to the video that you want to contribute translations or transcriptions to. Not all videos…
Does exFAT support symbolic links? As far as I know, symbolic links of any type are not supported in exFAT at all. They are only…
How do I turn off Samsung video player? Normally you would do this from Settings -> Applications -> Manage applications . Find the app in…
Can we create index on timestamp? Indexes work with timestamp columns. Should enable an index-only scan. Avoiding the table should make the query faster. Can…