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Building a minimal plugin architecture in Python
...to extend your application,
Example using hooks, inspired from MediaWiki (PHP, but does language really matters?):
import hooks
# In your core code, on key points, you allow user to run actions:
def compute(...):
try:
hooks.runHook(hooks.registered.beforeCompute)
except hooks.hook...
How can I repeat a character in Bash?
...racter-only solution
P ... a POSIX-compliant solution
followed by a brief description of the solution
suffixed with the name of the author of the originating answer
Small repeat count: 100
[M, P] printf %.s= [dogbane]: 0.0002
[M ] printf + bash global substr. repl...
Install dependencies globally and locally using package.json
...ls this script prior to install:
{
"name" : "Books",
"description" : "Node (npm) configuration for Books Database Web Application Tools",
"version" : "2.1.1",
"private" : true,
"scripts":
{
"preinstall" : "node ../../Sha...
rsync: difference between --size-only and --ignore-times
...ys rsync compares files -- the authoritative source is the rsync algorithm description: https://www.andrew.cmu.edu/course/15-749/READINGS/required/cas/tridgell96.pdf. The wikipedia article on rsync is also very good.
For local files, rsync compares metadata and if it looks like it doesn't need to c...
round() for float in C++
...r several inputs including 0.49999999999999994. See blog.frama-c.com/index.php?post/2013/05/02/nearbyintf1
– Pascal Cuoq
May 4 '13 at 18:23
10
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How do write IF ELSE statement in a MySQL query
...
you must write it in SQL not it C/PHP style
IF( action = 2 AND state = 0, 1, 0 ) AS state
for use in query
IF ( action = 2 AND state = 0 ) THEN SET state = 1
for use in stored procedures or functions
...
What is the HEAD in git?
...
This is one of the most clear and accurate descriptions of git HEAD that I've seen, after searching for a while.
– LarsH
Apr 2 '16 at 2:48
...
What does the “Just” syntax mean in Haskell?
...ng is not met
return a special value: Nothing (or Left wrapping some error description object)
These are necessary design limitations in languages that cannot enforce totality of functions (for example, Agda can, but that leads to other complications, like becoming turing-incomplete).
The problem...
File content into unix variable with newlines
...rintf "%s\n" "${lines[@]}"
See also:
http://bash-hackers.org/wiki/doku.php/commands/builtin/mapfile
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MVC Razor view nested foreach's model
...currently trying to digest it. :) Also guilty of Cargo Culting! Like that description.
– David C
Jan 17 '12 at 15:36
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