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Mediator Vs Observer Object-Oriented Design Patterns
...ication while observer works only one way.
– kiwicomb123
Mar 3 '19 at 6:51
Exactly, glad it helped
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How to import a Python class that is in a directory above?
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123
import sys
sys.path.append("..") # Adds higher directory to python modules path.
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How can I match on an attribute that contains a certain string?
...wered Mar 27 '11 at 12:58
surupa123surupa123
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What is the difference between “text” and new String(“text”)?
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123
String literals will go into String Constant Pool.
The below snapshot might help you to under...
What does [object Object] mean?
...answered Aug 21 '14 at 6:25
user123444555621user123444555621
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Convert string to title case with JavaScript
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123
Here's my version, IMO it's easy to understand and elegant too.
var str = "foo bar baz"
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Test if characters are in a string
...# Correct
> grepl("1+2", "1+2", fixed=TRUE)
[1] TRUE
> grepl("1+2", "123+456", fixed=TRUE)
[1] FALSE
# Incorrect
> grepl("1+2", "1+2")
[1] FALSE
> grepl("1+2", "123+456")
[1] TRUE
Interpretation
grep is named after the linux executable, which is itself an acronym of "Global Regular...
Can an Option in a Select tag carry multiple values?
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one option is to put multi value with comma seperated
like
value ="123,1234"
and in the server side separate them
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Python way of printing: with 'format' or percent form? [duplicate]
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Related: bugs.python.org/issue14123
– guettli
Sep 11 '13 at 7:35
Is .format...
What's the difference between a single precision and double precision floating point operation?
...ch precision they can store the numbers.
For example: I have to store 123.456789 One may be able to store only 123.4567 while other may be able to store the exact 123.456789.
So, basically we want to know how much accurately can the number be stored and is what we call precision.
Quoting @A...