Useful tips for everyday
What is the size of MySQL? MyISAM permits data and index files to grow up to 256TB by default, but this limit can be changed…
How do I color code a formula in Excel? You can color-code your formulas using Excel’s conditional formatting tool as follows. Select a single cell…
What is the difference between cat and CP? cp makes a significant difference: By definition, cat will expand sparse files, filling in the gaps with…
What is the output impedance of a function generator? Most function generators or signal generators output voltages are limited to about +/-5V into a 50…
How do you change the color of terminal? You can use custom colors for the text and background in Terminal: Press the menu button in…
How can I insert dead time into a PWM circuit? One option is to use RCD delay circuits (resistor in parallel with a diode, feeding…
How do I upgrade salesforce? Right near the top of the sidebar, click “Manage Your Subscription”. This is where you can choose to upgrade to…
How do I sign a kernel module in VirtualBox? Signing VirtualBox Kernel Modules Create an RSA key pair to sign kernel modules. Import the MOK…
How do I SSH with a MAC key? To generate SSH keys in Mac OS X, follow these steps: Enter the following command in the…
What is locking my table? A locked table remains locked until you either commit your transaction or roll it back, either entirely or to a…