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Set object property using reflection
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If you aren't dealing with all strings you might wanna convert the data first: var val = Convert.ChangeType(propValue, propInfo.PropertyType); source: devx.com/vb2themax/Tip/19599
– LostNomad311
Jul 18 '12 at 20:23
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What is the purpose of `text=auto` in `.gitattributes` file?
...he core.autocrlf configuration variable to determine if the file should be converted.
What does core.autocrlf do? From the docs:
core.autocrlf
Setting this variable to "true" is almost the same as setting the text attribute to "auto" on all files except that text files are not guarantee...
Convert a list of objects to an array of one of the object's properties
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This should also work:
AggregateValues("hello", MyList.ConvertAll(c => c.Name).ToArray())
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Rails: fields_for with index?
...e = "#{object_name}[#{association_name}_attributes]"
association = convert_to_model(association)
if association.respond_to?(:persisted?)
association = [association] if @object.send(association_name).is_a?(Array)
elsif !association.respond_to?(:to_ary)
ass...
Create a hexadecimal colour based on a string with JavaScript
....toUpperCase();
return "00000".substring(0, 6 - c.length) + c;
}
To convert you would do:
intToRGB(hashCode(your_string))
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What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?
...e queries are really fast, but it's the round trips that wreak havok. I've converted "WHERE Id = const" to "WHERE Id IN (const, const, ...)" and gotten orders of magnitude increases out of it.
– Hans
Oct 2 '12 at 23:07
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SQL statement to select all rows from previous day
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To get the "today" value in SQL:
convert(date, GETDATE())
To get "yesterday":
DATEADD(day, -1, convert(date, GETDATE()))
To get "today minus X days": change the -1 into -X.
So for all yesterday's rows, you get:
select * from tablename
where date &g...
Python: print a generator expression?
...tor, without the need to build an intermediate list:
>>> _ = map(sys.stdout.write, (x for x in string.letters if x in (y for y in "BigMan on campus")))
acgimnopsuBM
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Java FileReader encoding issue
I tried to use java.io.FileReader to read some text files and convert them into a string, but I found the result is wrongly encoded and not readable at all.
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Checking if a variable is an integer
...) rescue false This will not work for "1" if you want to check if it will convert
– mc.
Feb 18 '14 at 18:15
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