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Find size of an array in Perl
...one doesn't turn on warnings. Assigning anything but zero to $[ will be an error in 5.16. Can we stop mentioning $[ already?
– ikegami
Sep 13 '11 at 19:05
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Getting a list of all subdirectories in the current directory
...loop"
– kevinmicke
Feb 28 '17 at 19:05
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Formatting numbers (decimal places, thousands separators, etc) with CSS
... && _number > 0 ? String(_number) : ""; or else you will get an error _number.replace is not defined or not a function
– Shalkam
Jul 1 '17 at 15:28
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Bulk insert with SQLAlchemy ORM
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bsplosion
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answered Jul 3 '15 at 10:57
PierrePierre
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Download attachments using Java Mail
...FileName());
– yair
Mar 9 '15 at 10:05
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How to fix PCH error?
When I try to build my app in Xcode , I get this error message:
22 Answers
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How to properly reuse connection to Mongodb across NodeJs application and modules
...If you require them in app.js before _db is set, then you'll get undefined errors in the other modules.
– Mike R
Feb 17 '18 at 21:40
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What happens to global and static variables in a shared library when it is dynamically linked?
...al variables defined in other modules. This means that you will get linker errors if you try, for example, to create an executable that is supposed to use an extern variable defined in a DLL, because this is not allowed. You would need to provide an object file (or static library) with a definition ...
How to check if a variable is a dictionary in Python?
...ing works here, just wrap for k,v in ele.items() in try...except (AttributeError, TypeError). If exception is raised, you know ele has no items that yields an iterable...
– cowbert
Jul 14 '18 at 3:31
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Rails 4 multiple image or file upload using carrierwave
... from saving. Instead the post is saved, and then the ActiveRecord invalid error is thrown for the attachment model only. I think this is because of the create! method. but using create instead just fails silently. Any idea how to have the validation happen on the post reach into the attachments?
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