Useful tips for everyday
How do I see old hangout conversations? On the Gmail website, click the “More” option in the left sidebar. Click “Chats” to view all the…
How do I reset my TightVNC admin password? If you would like to set the default password, run Start->Programs->TightVNC->Administration->Show Default Settings. What is view only…
Do you need to normalize data for PCA? Yes, it is necessary to normalize data before performing PCA. The PCA calculates a new projection of…
How do I create a parent-child relationship in Excel? Follow these steps: Open the Power Pivot window. Click Home > View > Diagram View. In…
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 can I join two tables but only return rows that do not match? However, I only want to return the results from table 1…
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…
How do I end PHP code? As in C or Perl, PHP requires instructions to be terminated with a semicolon at the end of each…
What is double entry accounting software? As we mentioned earlier, double-entry accounting is a system of accounting where each recorded transaction affects at least two…