Useful tips for everyday
How do you know when a string ends? endsWith() The endsWith() method determines whether a string ends with the characters of a specified string, returning…
Is python range an iterator? In python range objects are not iterators. range is a class of a list of immutable objects. The iteration behavior…
How do I find related list names in Salesforce? Saleforce Classic: Go to Setup > Customize > Accounts > Page Layouts. Click Edit next to…
How can I join two tables but only return rows that do not match? However, I only want to return the results from table 1…
Why is my scroll so jumpy? You may have a problem with a system setting or a graphics driver if you experience choppy scrolling on…
How do you invert an adjustment layer? Open the “Image” menu, locate its “Adjustments” submenu and choose “Invert.” Photoshop permanently inverts the colors in your…
What is a transient state Markov chain? Intuitively, transience attempts to capture how “connected” a state is to the entirety of the Markov chain. If…
How do I paste into confluence without formatting? On Linux ctrl-shift-V is the common shortcut for pasting without formatting (paste special / paste plain). How…
Do traffic lights work on a timer? The most common traffic lights work on simple timers. Rather than timers, “smart” or “intelligent” sensor-based traffic signals…
Which LMS support xAPI? They’re presented in alphabetical order for your ease of reading. Blackboard for business. Cornerstone. Docebo. eFront. Litmos. Moodle. TOPYX LMS. Does…