Useful tips for everyday
How do you fix a partition problem? Following are the two main steps to solve this problem: 1) Calculate sum of the array. If sum…
How useful is CISSP? The CISSP is one of the world’s most valued information technology and information security certifications. With a proven track record over…
How to solve a problem with both quadratic constraints? Call fmincon to solve the problem. Examine the Lagrange multipliers. Both nonlinear inequality multipliers are nonzero,…
How does field history tracking work in Salesforce? Field history honors the permissions of the current user and doesn’t record changes that occur in system…
How do you animate two objects at the same time in Powerpoint? Group a set of items and then apply an animation Hold down the…
How to match one table to another in MySQL? After you determine which version of the WHERE clause returns the correct rows, save the query…
How does machine learning deal with very sparse data? Methods for dealing with sparse features Removing features from the model. Sparse features can introduce noise,…
What causes blinking of lights? Flickering or blinking lights are usually caused by one of the following: Problem with the bulb (not in tight enough,…
How do I resolve ora 01109 database not open? SQL> ALTER PLUGGABLE DATABASE OPEN; (or ALTER PLUGGABLE DATABASE YOURDATABASENAME OPEN;) — Check the status again.…
What is difference between API and framework? An API is an interface to a (set of) component(s) encapsulating a functionality. For instance, the GoogleMaps API,…