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How to represent multiple conditions in a shell if statement?
...ernative operators that take arguments.
With some care, you can use the more modern [[ operator, but be aware that the versions in Bash and Korn Shell (for example) need not be identical.
for g in 1 2 3
do
for c in 123 456 789
do
if [[ ( "$g" -eq 1 && "$c" = "123" ) || ( ...
How do you force a makefile to rebuild a target
...ile that builds and then calls another makefile. Since this makefile calls more makefiles that does the work it doesnt really change. Thus it keeps thinking the project is built and upto date.
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AWS S3 copy files and folders between two buckets
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Reset select2 value and show placeholder
... As of v4.0.3, it doesn't seem like .select2("val", "") works anymore.
– adamj
Aug 6 '16 at 13:45
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Can mustache iterate a top-level array?
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setImmediate vs. nextTick
... is called nextTick. nextTick executes "immediately" while setImmediate is more like a setTimeout/postMessage.
– Robert
Oct 10 '13 at 2:05
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Difference in System. exit(0) , System.exit(-1), System.exit(1 ) in Java
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@tobe It's really more like "Something I expected could go wrong went actually wrong" ;)
– Marcel Hernandez
Jul 9 '14 at 8:55
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Rails 3.1 and Image Assets
... I remember D2h saying the the public folder should not have much in it anymore, mostly just error pages and a favicon.
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How do I perform an IF…THEN in an SQL SELECT?
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What's an elegant way to conditionally add a class to an HTML element in a view?
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I use the first way, but with a slightly more succinct syntax:
<div class="<%= 'ok' if @status == 'success' %>">
Though usually you should represent success with boolean true or a numeric record ID, and failure with boolean false or nil. This way you...