Useful tips for everyday
How do I extract timestamp from Google Sheets? Extract date and time from a full “date-time” record To extract date (integer part), use the ROUNDDOWN…
At what altitude does a nuclear bomb detonated? 100,000 feet Detonation is below 100,000 feet. Surface Burst. Detontation occurs at or slightly above the actual…
Is DSD good? A ‘standard’ DSD file- often referred to as DSD64 is roughly equivalent to a sample rate of 24/88.2kHz. Against this, there are…
Is the average of the averages the same as the overall average? The average of averages is only equal to the average of all values…
What is tracking in superheterodyne receiver? the maintenance of the coordinated variation of the resonant frequencies of oscillatory circuits of, for example, a superheterodyne receiver,…
How do you query a column by? BY is a reserved word used by QUERY like “order BY C”. So when referencing the column BY…
Can I connect 2 external monitors to my iMac? For Mac computers with Mini DisplayPort, Thunderbolt, or Thunderbolt 2: You can connect up to two…
How do I increase capacitive touch sensitivity? In most cases, simply increasing the sensing area will lead to an improvement in sensitivity. When the sensing…
What are the algorithms used in cryptography? Encryption Algorithms Triple DES Encryption. RSA Encryption. Advanced Encryption Standards (AES) Twofish encryption algorithm. Blowfish encryption algorithm. IDEA…
How do I run a SQL query in PySpark? Consider the following example of PySpark SQL. import findspark. findspark.init() import pyspark # only run after…