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Does the join order matter in SQL?
...ed to nulls'. One can easily imagine a predicate that satisfies the former description but not the latter, like a.somecol > 0 OR b.someothercol > 0; associativity could fail for that condition.
– Mark Amery
Nov 17 '13 at 11:03
...
JavaFX and OpenJDK
...ions
I advise using Java's self-contained application deployment mode.
A description of this deployment mode is:
Application is installed on the local drive and runs as a standalone
program using a private copy of Java and JavaFX runtimes. The
application can be launched in the same way as...
What is the difference between “px”, “dip”, “dp” and “sp”?
...----------+---------------+-------------+--------------------+
| Unit | Description | Units Per | Density | Same Physical Size |
| | | Physical Inch | Independent | On Every Screen |
+---------+-------------+---------------+-------------+--------------------+
| px...
What exactly do “IB” and “UB” mean?
...
"consistent" might be a misleading description of unspecified behavior. It has to be consistent with the general context of the operation, for example if an expression has "unspecified value" then the result must be a value, if you store it then the stored val...
Is there documentation for the Rails column types?
...he same thing (use either type to store both date and time). For the TL;DR description of why both exist, read the bottom paragraph.
These are the types about which confusion often exists; I hope this helps. I really don't know why there isn't official documentation about these. Also, I imagine t...
What is exactly the base pointer and stack pointer? To what do they point?
...
EDIT: For a better description, see x86 Disassembly/Functions and Stack Frames in a WikiBook about x86 assembly. I try to add some info you might be interested in using Visual Studio.
Storing the caller EBP as the first local variable is calle...
How do I handle the window close event in Tkinter?
...a much more detailed example for Python 3 in the year 2019, with a clearer description and example code.
Beware of the fact that destroy() (or not having a custom window closing handler at all) will destroy the window and all of its running callbacks instantly when the user closes it.
This can b...
foldl versus foldr behavior with infinite lists
...
This is mostly a great explanation, but I find the description of foldl as "backward" and foldr as "forward" problematic. This is in part because flip is being applied to (:) in the illustration of why fold is backward. The natural reaction is, "of course it's backward: you...
Convert .pem to .crt and .key
...k] [-pubin] [-pubout] [-RSAPublicKey_in] [-RSAPublicKey_out] [-engine id]
DESCRIPTION
The rsa command processes RSA keys. They can be converted between various forms and their components printed out. Note this command uses the traditional SSLeay compatible format for private key encryption: new...
Common MySQL fields and their appropriate data types
... |
| description | TINYTEXT | often may not be enough, use TEXT
instead
| post body | TEXT | ...