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Convert PHP closing tag into comment
One of the lines in my script contains a PHP closing tag inside a string. Under normal operation this does not cause a problem, but I need to comment out the line.
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How to exclude a directory in find . command
...his command: sudo sh -c "free && sync && echo 3 > /proc/sys/vm/drop_caches && free" to clear the cache (see unix.stackexchange.com/questions/87908/…).
– ndemou
Nov 19 '14 at 9:40
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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...
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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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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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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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)
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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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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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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...