linux - What goes in /var? - Stack Overflow
Aug 29, 2013 · 123 That description of /var is self-contradictory. /var contains things that are prone to change, such as websites, temporary files (/var/tmp) and databases. The name is an abbreviation of …
What is the difference between $ {var}, "$var", and "$ {var}" in the ...
Aug 9, 2013 · What the title says: what does it mean to encapsulate a variable in {}, "", or "{}"? I haven't been able to find any explanations online about this - I haven't been able to refer to them except for...
What is the difference between "let" and "var"? - Stack Overflow
Apr 18, 2009 · Scoping rules The main difference is scoping rules. Variables declared by var keyword are scoped to the immediate function body (hence the function scope) while let variables are scoped …
What underlies the `var self = this` JavaScript idiom?
As others have explained, var self = this; allows code in a closure to refer back to the parent scope. However, it's now 2018 and ES6 is widely supported by all major web browsers.
What is indirect expansion? What does $ {!var*} mean?
Dec 15, 2011 · What is indirect expansion? What does $ {!var*} mean? Asked 14 years, 1 month ago Modified 10 months ago Viewed 80k times
NGINX: connect() to unix:/var/run/php7.2-fpm.sock failed (2: No such ...
Jul 3, 2018 · I've just recently moved my websites from apache2 to Nginx as my new web server backend. got to love problems aha. HTML files in the web host director work prior to php files making …
Can't connect to local MySQL server through socket '/var/mysql/mysql ...
Mar 21, 2011 · For example, on Ubuntu, you should check /var/log/syslog. Since lots of other things might also be logging to this file, you probably want to use grep to look at mysql messages, and tail …
How do I apply opacity to a CSS color variable? - Stack Overflow
Oct 13, 2016 · This seems almost too good to be true. 1 How does it work? The magic lies in the fact that the values of custom properties are substituted as is when replacing var() references in a …
how to access VAR_IN_OUT variable when FB cannot be extended?
Dec 16, 2021 · I have been trying to gain access to the AXIS_REF_SM3 i.e. Axis of SM3_Basic.MC_MoveAbsolute in order to return the wDriveId of the axis. Since Axis is declared as a …
sql - How to declare a variable in MySQL? - Stack Overflow
Aug 1, 2012 · How to declare a variable in mysql, so that my second query can use it? I would like to write something like: