Useful tips for everyday
How does Nmap detect service? Detecting Service and Application Versions By default, Nmap identifies open ports on the target host and correlates those port numbers…
How is the last Sunday of the month calculated? The WEEKDAY(,11) of a Saturday is 6, so =A2-WEEKDAY(A2,11) will subtract 6 from the date and…
Should I version my REST API? Clients may not want to update their applications when the API changes, so a versioning strategy becomes crucial. A…
How do you convert a table to first normal form? For a table to be in the First Normal Form, it should follow the following…
How do I switch to desktop mode in browser? How to Enable Desktop Site in Chrome Android? Launch the Chrome browser on Android. Open any…
How do you join strings with spaces? Add a space after the Text argument. For example: =CONCATENATE(“Hello “, “World!”). The string “Hello ” has an…
How to upload an image using Ajax and form? The solution is: In the php code, all the [“avatar\\ should be replaced with [“file\\ as…
How do you monitor and evaluate suppliers? Some methods that companies commonly use to evaluate and measure supplier performance include: Site visits. Paper supplier questionnaires.…
How many HTTP requests is too much? How Many HTTP Requests Should Web Pages Have? You should strive to keep the number of HTTP requests…
How do you isolate an object in Photoshop? Select an object Select the Object Selection tool (W) . Use the Options bar to customize tool…