Useful tips for everyday
Do Google forms have version history? In contrary as occurs with Google Documents, Sheets and Slides, Google Forms doesn’t have the revision history feature. Unfortunately…
Why does MySQL hang when using TRUNCATE TABLE? The TRUNCATE may hang, because other processes could use this table, so to check run in shell:…
Can you Mitm SSH? There are some tools implementing the attack, for example MITM-SSH. However, there are no tools implementing MITM against an SSH connection…
How to check what version of Node.js I am using? The easiest way to check what version of Node.js you’re using is to run node…
Can you use RS232 control on a LG TV? This article describes using a Serial (RS232) link between an LG LCD TV and MythTV to…
What is DRAM refresh interval? Refresh interval The maximum time interval between refresh operations is standardized by JEDEC for each DRAM technology, and is specified…
Why is rotation of components necessary in PCA? Is rotation necessary in PCA? Yes, rotation (orthogonal) is necessary to account the maximum variance of the…
How to display textures in the UV image editor? To display the textures used in the material of the object regardless of the texture (or…
Which is an example of an outer join in SQL? This article will provide a full overview, with examples of the SQL Outer join, including…
How does Valgrind works? Valgrind uses shadow registers and shadow memory to instrument read/write instructions, read/write system call, stack and heap allocations. Valgrind provides wrappers…