Useful tips for everyday
How do you define a variable name? A variable name is a word that consists only of the following: English letters A.. Z and a..…
How do you check if a process is running using java? If you want to check the work of java application, run ‘ps’ command with…
How to configure CentOS network settings { via terminal }? Instruct the system to list your network devices with the command: Find the network you…
How do I troubleshoot IPsec VPN tunnel? In general, begin troubleshooting an IPsec VPN connection failure as follows: Ping the remote network or client to…
How to display memory in U-Boot-Unix stack? There is also a base command (type help base) which specifies what the base addresses is for the…
How do I delete downloads? What to Know Open the Files app and select the Downloads category. Tap and hold the files you want to…
How do I list all weekends in Excel? With a date in A1, you can enter the formula in A2 and drag down to get…
How do you see spaces and tabs in Vim? Vim provides the ‘listchars’ option to show Tab vs. Space, and space characters in critical places,…
What is the use of IF THEN ELSE statement? The if-then-else statement provides a secondary path of execution when an “if” clause evaluates to false…
How can I reduce the size of a jar file? Obfuscators such as Proguard can often reduce the size of jar files considerably. Besides making…