Useful tips for everyday
How do I save output command to variable bash? Bash Assign Output of Shell Command To And Store To a Variable var=$(command-name-here) var=$(command-name-here arg1) var=$(/path/to/command)…
How do I change the default postgres username? Login and Connect as Default User $ sudo -u postgres psql. $ sudo -u postgres psql template1.…
How do you find Percent change in proportions? Step 1: Divide new value by old value: $6/$5 = 1.2. Step 2: Convert to percentage: 1.2×100…
How do you read a Word document in Word? Open a file in read mode which contains a string. Use for loop to read each…
How do you calculate effect modification? To check for effect modification, conduct a stratified analysis. If the stratum-specific measures of association are different than each…
How to add pagination to custom collection in Magento 2? In this tutorial, Today I will explain to how to add pagination to custom collection…
Are Postgres indexes stored in-memory? If you force indexes and tables into RAM by using a ramdisk, all you’re likely to be doing is wasting…
How to find dependencies for a particular package in CentOS? This tutorial explains how to find which package requires a certain dependency in CentOS, RHEL,…
How does a 2 to 4 binary decoder work? The 2-to-4 line binary decoder depicted above consists of an array of four AND gates. The…
What is DS in DNSSEC? It is generated by your DNSSEC zone signing tools. Key Digest. The DS record refers to a DNSKEY resource record…