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How can a LEFT OUTER JOIN return more records than exist in the left table?
...ually want you can use aggregate functions (if for example you just want a string from the right part you could generate a column that is a comma delimited string of the right side results for that left row.
If you are only looking at 1 or 2 columns from the outer join you might consider using a sc...
Is there a way to access method arguments in Ruby?
...o get it to work, otherwise you get a TypeError: can't convert Symbol into String
– Javid Jamae
Oct 11 '12 at 3:03
5
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How can I get a list of all classes within current module in Python?
...# Works on pretty much everything, but be mindful that
# you get lists of strings back
print dir(myproject)
print dir(myproject.mymodule)
print dir(myproject.mymodule.myfile)
print dir(myproject.mymodule.myfile.myclass)
# But, the string names can be resolved with getattr, (as seen below)
Thoug...
What does send() do in Ruby?
...eed to read attributes on an object.
For example, if you have an array of strings, if you try to iterate through them and call them on your object, it won't work.
atts = ['name', 'description']
@project = Project.first
atts.each do |a|
puts @project.a
end
# => NoMethodError: undefined method ...
Best way to get application folder path
...ath with a backslash at the end. This caused me problems when formatting a string with the result to pass as a process argument.
– avenmore
Nov 6 '15 at 12:18
20
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Weird PHP error: 'Can't use function return value in write context'
...hat a strange error.. I still don't fully understand :/ empty() can take a string.. and trim() returns a string.. so wth?
– Nick Rolando
Feb 8 '12 at 17:23
...
Convert from MySQL datetime to another format with PHP
...:i:s', $phpdate );
The line $phpdate = strtotime( $mysqldate ) accepts a string and performs a series of heuristics to turn that string into a unix timestamp.
The line $mysqldate = date( 'Y-m-d H:i:s', $phpdate ) uses that timestamp and PHP's date function to turn that timestamp back into MySQL's...
Pass array to mvc Action via AJAX
...er until I added this and got them in my controller like : IEnumerable<string> array
– SeanMC
Aug 17 '17 at 16:40
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How to remove an element from an array in Swift
...t references both refer to the same object instance.
func delete(element: String) {
list = list.filter() { $0 !== element }
}
Of course this doesn't just work for Strings.
share
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improve thi...
Finding the Eclipse Version Number
...uring out the version of eclipse\plugins\org.eclipse.platform_ plugin
String platformFile = <the above file>; //actually directory
versionPattern = Pattern.compile("\\d\\.\\d\\.\\d");
Matcher m = versionPattern.matcher(platformFile);
return m.group();
...