Useful tips for everyday
Does IPS protect against DDoS? Almost every modern firewall and intrusion prevention system (IPS) claims some level of DDoS defense. Some Unified Threat Management (UTM)…
What do curly brackets mean in Tex stack? Curly braces have special meanings in TeX, e.g. as argument braces or as group. They can be…
Can a pyqgis script be run in QGIS? PyQGIS scripts are great to automate spatial processing workflows. It’s easy to run these scripts inside QGIS…
Why does a mixed model do not converge? Most generalized linear and mixed models use an iterative optimization process, such as maximum likelihood estimation, to…
What are bug bars? A bug bar tells you whether or not we should fix a bug, or postpone it or never fix it. It…
How do you calculate astable time? Here the time period is the total time it takes to complete one on/off cycle (T1+T2), while Duty cycle…
Can we apply unique constraints on multiple columns? Creating SQL UNIQUE constraint You can create UNIQUE constraints using CREATE TABLE or ALTER TABLE statement. You…
Why data members of class are kept private? Data members may be private or public, but are usually held private so that values may only…
Why is DD so slow on a NVMe SSD? Note: After running the exact same command a second time in a row, the second write…
What is second moment in Poisson distribution? The second moment of Poisson Distribution is: Here we have, λ2+λ=2. Solving we get, λ=−2,1. The average number…