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Rails: redirect_to with :error, but flash[:error] empty
I'm trying to do a redirect while setting the flash[:error] value. (Rails 3.0.10)
3 Answers
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How to pass command line argument to gnuplot?
...variable
$ cat foo.plg
plot filename
pause -1
To make "foo.plg" a bit more generic, use a conditional:
if (!exists("filename")) filename='default.dat'
plot filename
pause -1
Note that -e has to precede the filename otherwise the file runs before the -e statements. In particular, running a she...
Why did Bootstrap 3 switch to box-sizing: border-box?
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Better box model by default. Everything in Bootstrap gets box-sizing: border-box, making for easier sizing options and an enhanced grid system.
Personally I think most benefits go to the grid system. In Twitter's Bootstrap all grids are fluid. Columns are defined as percentage of the total wid...
How do I get both STDOUT and STDERR to go to the terminal and a log file?
...ve to redirect stderr to stdout using
./a.out 2>&1 | tee output
or
./a.out |& tee output
In csh, there is a built-in command called "script" that will capture everything that goes to the screen to a file. You start it by typing "script", then doing whatever it is you want to capt...
Find out which remote branch a local branch is tracking
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Here is a command that gives you all tracking branches (configured for 'pull'), see:
$ git branch -vv
main aaf02f0 [main/master: ahead 25] Some other commit
* master add0a03 [jdsumsion/master] Some commit
You have to wade through the SHA and any long-wrapping commit messages, but it's ...
Is it safe to assume a GUID will always be unique?
...a minute possibility of a clash but if I generated a batch of 1000 GUIDs (for example), would it be safe to assume they're all unique to save testing each one?
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How to find Array length inside the Handlebar templates?
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My Bad....
{{array.length}} actually worked inside the template. Should have checked/tested it before posting it here.
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Merge changes from remote github repository to your local repository
I have forked a repository on github some time ago, made a small change and pushed the change back to my github fork. The original repository has changed since. I would like to merge the changes from the original repository to my fork.
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notifyDataSetChanged example
...ng to use in my Android Application the notifyDataSetChanged() method for an ArrayAdapter but it doesn't work for me.
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How to convert R Markdown to PDF?
I've previously asked about the commands for converting R Markdown to HTML .
8 Answers
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