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Best way to compare two complex objects
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Implement IEquatable<T> (typically in conjunction with overriding the inherited Object.Equals and Object.GetHashCode methods) on all your custom types. In the case of composite types, invoke the contained types’ Equals method within the containing types. For contained colle...
How to get rid of blank pages in PDF exported from SSRS
I have a two-page SSRS report. When I exported it to PDF it was taking 4 pages due to its width, where the 2nd and 4th pages were displaying one of my fields from the table. I tried to set the layout size in report properties as width=18in and height =8.5in.
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Determine path of the executing script
...dirname(sys.frame(1)$ofile)
returns the path of the current script file. It works after the script was saved.
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What are the rules for calling the superclass constructor?
...u if they have no argument. If you want to call a superclass constructor with an argument, you must use the subclass's constructor initialization list. Unlike Java, C++ supports multiple inheritance (for better or worse), so the base class must be referred to by name, rather than "super()".
class...
Ruby - elegantly convert variable to an array if not an array already
... or Array(foo) will work most of the time, but for some cases like a hash, it messes it up.
Array([1, 2, 3]) # => [1, 2, 3]
Array(1) # => [1]
Array(nil) # => []
Array({a: 1, b: 2}) # => [[:a, 1], [:b, 2]]
[*[1, 2, 3]] # => [1, 2, 3]
[*1] # => ...
How to compare two Dates without the time portion?
...dDate = second.toLocalDate();
return firstDate.compareTo(secondDate);
EDIT: As noted in comments, if you use DateTimeComparator.getDateOnlyInstance() it's even simpler :)
// TODO: consider extracting the comparator to a field.
return DateTimeComparator.getDateOnlyInstance().compare(first, second...
Use cases for the 'setdefault' dict method
The addition of collections.defaultdict in Python 2.5 greatly reduced the need for dict 's setdefault method. This question is for our collective education:
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'\r': command not found - .bashrc / .bash_profile [duplicate]
...s in Cygwin...
Try running the dos2unix command on the file in question.
It might help when you see error messages like this:
-bash: '\r': command not found
Windows style newline characters can cause issues in Cygwin.
The dos2unix command modifies newline characters so they are Unix / Cygwin c...
How to install packages offline?
What's the best way to download a python package and it's dependencies from pypi for offline installation on another machine? Is there any easy way to do this with pip or easy_install? I'm trying to install the requests library on a FreeBSD box that is not connected to the internet.
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How to add footnotes to GitHub-flavoured Markdown?
I am just trying to add footnotes in my GitHub Gist , but it doesn't work:
10 Answers
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