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What is the difference between sed and awk? [closed]
...at are in the form "minus-sign followed by a sequence of digits" (e.g. "-231.45") with the "accountant's brackets" form (e.g. "(231.45)") using this (which has room for improvement):
sed 's/-\([0-9.]\+\)/(\1)/g' inputfile
I would use awk when the text looks more like rows and columns or, as awk r...
Insert current date in datetime format mySQL
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How to hide image broken Icon using only CSS/HTML?
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How to manage local vs production settings in Django?
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In settings.py:
try:
from local_settings import *
except ImportError as e:
pass
You...
Fast and responsive interactive charts/graphs: SVG, Canvas, other?
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183
Fortunately, drawing 2000 circles is a pretty easy example to test. So here are four possible ...
Format SQL in SQL Server Management Studio
...ate/online use at http://poorsql.com, and just today graduated to "version 1.0" (it was in beta version for a few months), having just acquired support for MERGE statements, OUTPUT clauses, and other finicky stuff.
The SSMS Add-in allows you to set your own hotkey (default is Ctrl-K, Ctrl-F, to mat...
Insert picture/table in R Markdown [closed]
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Several sites provide reasonable cheat sheets or HOWTOs for tables and images. Top on my list ...
Should I instantiate instance variables on declaration or in the constructor?
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setNeedsLayout vs. setNeedsUpdateConstraints and layoutIfNeeded vs updateConstraintsIfNeeded
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261
Your conclusions are right. The basic scheme is:
setNeedsUpdateConstraints makes sure a future...