Useful tips for everyday
Should you use multiple inheritance? Multiple inheritance is useful when a subclass needs to combine multiple contracts and inherit some, or all, of the implementation…
How do I make a picture black and white with some color in Photoshop? Here’s how to go to grayscale by using Black & White:…
How do you know if Random Forest is overfitting? The Random Forest algorithm does overfit. The generalization error variance is decreasing to zero in the…
How do you calculate elevation difference? An easy-to-remember equation for finding change in elevation as a decimal is “rise over run,” meaning the rise (the…
How to add admin options page in WordPress? At this point you should have a “Copyright” menu under the “Settings” menu which shows the rendered…
How can I see the online user in PHP? $res = mysql_query(“SELECT * FROM `posts` WHERE status=1 AND TIMESTAMPDIFF(MINUTE, last_activity_timestamp, NOW()) > 20;”); If the…
Is there an Apple Countdown widget? Features: iOS 14 WIDGETS: Now you can count down the days to your event right from your home screen!…
What does the Joel test measure? The Joel Test is a very simple and quick test that rates the quality of your software team. Rather…
Do you include URLs in bibliography? For works without DOIs from most academic research databases, do not include a URL or database information in the…
How do I make a heat map? Step 1: Enter data. Enter the necessary data in a new sheet. Step 2: Select the data. Select…