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Get current stack trace in Ruby without raising an exception
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185
You can use Kernel#caller:
# /tmp/caller.rb
def foo
puts caller # Kernel#caller returns a...
How to pipe stdout while keeping it on screen ? (and not to a output file)
...ty | foo
Reference: The Open Group Base Specifications Issue 7
IEEE Std 1003.1, 2013 Edition, §10.1:
/dev/tty
Associated with the process group of that process, if any. It is
useful for programs or shell procedures that wish to be sure of
writing messages to or reading data from the...
How to get String Array from arrays.xml file
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216
You can't initialize your testArray field this way, because the application resources still are...
The purpose of Model View Projection Matrix
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197
The model, view and projection matrices are three separate matrices. Model maps from an object...
How to handle multiple heterogeneous inputs with Logstash?
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191
Should I run as many instances as I have different types of logs?
No! You can only run on...
Getting a random value from a JavaScript array
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1575
It is a simple one-liner
const randomElement = array[Math.floor(Math.random() * array.length)...
How to compare types
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181
Try the following
typeField == typeof(string)
typeField == typeof(DateTime)
The typeof oper...
Set multiple properties in a List ForEach()?
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edited Feb 12 at 19:03
answered Feb 2 '12 at 15:17
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JSR-303 @Valid annotation not working for list of child objects
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165
You need to decorate addresses member of UserAddressesForm with @Valid annotation. See section...