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Strengths of Shell Scripting compared to Python [closed]
...s simpler notations for I/O redirection.
It is simpler to create pipelines out of existing programs in shell.
Shell scripting reuses entire programs.
Shell is universally available (on anything like Unix) - Python is not necessarily installed.
'Tis true that you can do everything in Python that yo...
Access-Control-Allow-Origin wildcard subdomains, ports and protocols
...n is set to the current specific protocol + domain + port dynamically) without using any rewrite rules:
SetEnvIf Origin ^(https?://.+\.mywebsite\.com(?::\d{1,5})?)$ CORS_ALLOW_ORIGIN=$1
Header append Access-Control-Allow-Origin %{CORS_ALLOW_ORIGIN}e env=CORS_ALLOW_ORIGIN
Header merge Vary "Or...
Why does Lua have no “continue” statement?
...nue. For example,
local a=0
repeat
if f() then
a=1 --change outer a
end
local a=f() -- inner a
until a==0 -- test inner a
The declaration of local a inside the loop body masks the outer variable named a, and the scope of that local extends across the condition of the until s...
“unary operator expected” error in Bash if condition
I've been trying to figure out whats wrong with this but just can't figure it out..
4 Answers
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Show filename and line number in grep output
...y using grep. I am looking for a specific word and I want to grep to print out the file name and line number.
5 Answers
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What is the difference between ports 465 and 587?
... 587 are intended for email client to email server communication - sending out email using SMTP protocol.
Port 465 is for smtps
SSL encryption is started automatically before any SMTP level communication.
Port 587 is for msa
It is almost like standard SMTP port.
MSA should accept email after authe...
How can you do anything useful without mutable state?
I've been reading a lot of stuff about functional programming lately, and I can understand most of it, but the one thing I just can't wrap my head around is stateless coding. It seems to me that simplifying programming by removing mutable state is like "simplifying" a car by removing the dashboard:...
Return empty cell from formula in Excel
... to this: if you always have a particular range of cells you want to clear out the blank cells for, you could give that range a name, then modify Boofus' formula by changing SomeRange to Range("MyRange"). To set a name for your cells, select the cells, click Define Name on the Formulas tab of the ri...
Multi-statement Table Valued Function vs Inline Table Valued Function
... Will there be an update to this answer for SQL Server 2017?: youtube.com/watch?time_continue=2&v=szTmo6rTUjM
– Ralph
Oct 10 '17 at 9:04
...
how to customize `show processlist` in mysql?
...FORMATION_SCHEMA.PROCESSLIST table was added in MySQL 5.1.7. You can find out which version you're using with:
SELECT VERSION()
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