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How to use the “number_to_currency” helper method in the model rather than view?
...(because it shouldn’t).
As for using helpers for ActiveModel validation errors in the model, well, I’m sorry but ActiveModel/Rails has screwed us all there by forcing error messages to be realized in the data layer, rather than returning the semantic idea of an error to be realized later—sigh...
The type 'string' must be a non-nullable type in order to use it as parameter T in the generic type
Why do I get Error "The type 'string' must be a non-nullable value type in order to use it as parameter 'T' in the generic type or method 'System.Nullable'"?
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is node.js' console.log asynchronous?
Are console.log/debug/warn/error in node.js asynchrounous? I mean will javascript code execution halt till the stuff is printed on screen or will it print at a later stage?
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git selective revert local changes from a file
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This seems to fail a lot for me when discarding changes ("error: patch failed <file>", "error: <file> patch does not apply"). Strangely enough I'll receive those errors when using the a option in patch mode to discard an entire file, yet git checkout -- <file> work...
Node.js app can't run on port 80 even though there's no other process blocking the port
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The error code EACCES means you don't have proper permissions to run applications on that port. On Linux systems, any port below 1024 requires root access.
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Java Try Catch Finally blocks without Catch
...er running the finally block).
If the finally block throws an exception / error / throwable, and there is already a pending throwable, it gets ugly. Quite frankly, I forget exactly what happens (so much for my certification years ago). I think both throwables get linked together, but there is som...
xcodebuild says does not contain scheme
...ect's data and configuration. This is the root cause of that cryptic build error Bamboo reports from xcodebuild -- Because Bamboo operates the build through the command line and not the Xcode UI, it doesn't have an opportunity for Schemes to get automatically generated and relies only on those that ...
What is the Windows equivalent of the diff command?
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@AndriyM So, new files would cause FC to error out without returning any actual lines? Only the error message?
– Wolfpack'08
Jan 19 '14 at 22:22
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How dangerous is it to compare floating point values?
... you code that appears to work at first but ends up having large-magnitude errors and broken corner cases.
First of all, if you want to program with floating point, you should read this:
What Every Computer Scientist Should Know About Floating-Point Arithmetic
Yes, read all of it. If that's too m...
Nginx 403 forbidden for all files
...it too: (chmod -4 +x /mypath worked for me) nginxlibrary.com/403-forbidden-error
– Peter Ehrlich
Dec 29 '12 at 2:48
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