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Bash empty array expansion with `set -u`
...Per Cerderberg, Doesn't work. unset arr, arr[1]=a, args ${arr+"${arr[@]}"} vs args ${arr[@]+"${arr[@]}"}
– ikegami
Jan 15 '17 at 6:15
1
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How can I have a newline in a string in sh?
...printf '<%s>\n' "$FOO"
printf '<%s>\n' "$BAR"
There! No SYSV vs BSD echo madness, everything gets neatly printed and fully portable support for C escape sequences. Everybody please use printf now and never look back.
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Force IE compatibility mode off using tags
...he X-UA-Compatible docs: http://msdn.microsoft.com/en-us/library/cc288325(VS.85).aspx#ctl00_contentContainer_ctl16
Using <meta http-equiv="X-UA-Compatible" content=" _______ " />
The Standard User Agent modes (the non-emulate ones) ignore <!DOCTYPE> directives in your page and rende...
How to break a line of chained methods in Python?
...sing implied line continuation via parentheses is actually PEP 8 preferred vs the continuation character ``
– kevlarr
Oct 12 '17 at 15:49
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Questions every good .NET developer should be able to answer? [closed]
...squalify me?
– Mark Brittingham
Feb 27 '09 at 2:19
33
Similarly, I've never declared a variable "...
Get query string parameters url values with jQuery / Javascript (querystring)
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Why extend jQuery? What would be the benefit of extending jQuery vs just having a global function?
function qs(key) {
key = key.replace(/[*+?^$.\[\]{}()|\\\/]/g, "\\$&"); // escape RegEx meta chars
var match = location.search.match(new RegExp("[?&]"+key+"=([^&]+)(&...
Bash tool to get nth line from a file
...ut without it?
– Rafael Barbosa
May 27 '13 at 14:10
7
@RafaelBarbosa the < in this case is not...
When should I use C++14 automatic return type deduction?
...uld probably work it out but we don't need to say it". When we write 1.0 + 27U we're asserting the latter, when we write (double)1.0 + (double)27U we're asserting the former. Simplicity of the function, degree of duplication, avoiding decltype might all contribute to that but none is going to be rel...
:not(:empty) CSS selector is not working?
...L markup. Then you can use :valid and :invalid in CSS to test for nonempty vs. empty value of the control. See stackoverflow.com/questions/16952526/…
– Jukka K. Korpela
Jun 6 '13 at 8:08
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How do the Proxy, Decorator, Adapter, and Bridge Patterns differ?
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answered Aug 27 '11 at 0:19
Merlyn Morgan-GrahamMerlyn Morgan-Graham
53.5k1313 gold badges116116 silver badges173173 bronze badges
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