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Ruby - elegantly convert variable to an array if not an array already
...ent, or nil, obtain an array - the latter two being a single element array and an empty array respectively.
10 Answers
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How to suppress GCC warnings from library headers?
...des (i.e. #include ) or includes from certain paths? I'd like to use -Wall and/or -Wextra as usual on project code without relevant info being obscured. I currently use grep on make output but I'd like something better.
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Git stash twice
... just call git stash pop twice. As opposed to git stash apply, pop applies and removes the latest stash.
You can also reference a specific stash, e.g.
git stash show stash@{1}
or
git stash apply stash@{1}
share
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Ways to eliminate switch in code [closed]
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-1: I've never used a switch statement with typeof, and this answer doesn't suggest ways or reasons to work around switch statements in other situations.
– Kevin
Jun 18 '13 at 21:00
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PHP Foreach Pass by Reference: Last Element Duplicating? (Bug?)
...in the second loop, which does not call by reference, replaces that value, and thus $arr[2], with the new value.
So loop 1, the value and $arr[2] become $arr[0], which is 'foo'.
Loop 2, the value and $arr[2] become $arr[1], which is 'bar'.
Loop 3, the value and $arr[2] become $arr[2], which is 'bar'...
How can I count all the lines of code in a directory recursively?
We've got a PHP application and want to count all the lines of code under a specific directory and its subdirectories. We don't need to ignore comments, as we're just trying to get a rough idea.
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How to use background thread in swift?
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And if someone wants a more Swift like syntax, I've created Async that adds some sugar to the syntax like Async.background {}
– tobiasdm
Sep 13 '14 at 21:50
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Why is it possible to recover from a StackOverflowError?
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When the stack overflows and StackOverflowError is thrown, the usual exception handling unwinds the stack. Unwinding the stack means:
abort the execution of the currently active function
delete its stack frame, proceed with the calling function
abo...
android ellipsize multiline textview
...the ellipse, but only 2 lines are displayed. I tried to change the minimum and maximum number of rows of the component but it changes nothing.
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Bundler: Command not found
I am hosting on a vps, ubuntu 10.04, rails 3, ruby and mysql installed correctly by following some tutorials. If I run bundle check or bundle install I get the error '-bash: bundle: command not found'. From gem list --local I see 'bundler (1.0.2, 1.0.0)' is installed.
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