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How can I define a composite primary key in SQL?
...(from that table). If a primary key consists of two or more columns it is called a composite primary key. It is defined as follows:
CREATE TABLE voting (
QuestionID NUMERIC,
MemberID NUMERIC,
PRIMARY KEY (QuestionID, MemberID)
);
The pair (QuestionID,MemberID) must then be unique for the ta...
In Maven 2, how do I know from which dependency comes a transitive dependency?
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This didn't work for me; all I got was errors about unsupported 'legacy' values. Running @David Crow's version (i.e. without the velocity flag) worked fine though.
– Vlad Schnakovszki
Feb 28 '17 at 13:51
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How do I convert from stringstream to string in C++?
...g string object.
1) Returns a copy of the underlying string as if by calling rdbuf()->str().
2) Replaces the contents of the underlying string as if by calling rdbuf()->str(new_str)...
Notes
The copy of the underlying string returned by str is a temporary object that will b...
How can I change a secret Gist to public?
... @VonC my bad, I wanted to write "(only Secret -> Public)". So basically you can only make public a gist that was previously private. When it is public it will stay public.
– GiDo
Jul 7 '16 at 16:28
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How can I have linked dependencies in a git repo?
...omes out.
However, when somebody clones the repo, it should still work locally and not have broken links.
1 Answer
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How to find an element by matching exact text of the element in Capybara
...heck out the 'Options Hash' section of the Method: Capybara::Node::Finders#all documentation.
PS: text matches are case sensitive. Your example code actually raises an error:
find("a", :text => "berlin")
# => Capybara::ElementNotFound:
# Unable to find css "a" with text "berlin"
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Loop through each row of a range in Excel
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Just stumbled upon this and thought I would suggest my solution. I typically like to use the built in functionality of assigning a range to an multi-dim array (I guess it's also the JS Programmer in me).
I frequently write code like this:
Sub arrayBuilder()
myarray = Range("A1:D4")
'unlike mo...
Passing parameters to JavaScript files
...it or define a new object. The intent is to create a global namespace, normally I will use sub namespaces so this line helps to avoid re-defining the top level namespace. 2) Yes, it has created a singleton.
– Naeem Sarfraz
Apr 7 '15 at 9:41
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How do I make a reference to a figure in markdown using pandoc?
...There are a couple of filters available to make figure reference work with all output formats pandoc-fignos and pandoc-crossref
– joelostblom
Apr 26 '15 at 15:39
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Printf width specifier to maintain precision of floating-point value
...ier which can be applied to a floating point specifier that would automatically format the output to the necessary number of significant digits such that when scanning the string back in, the original floating point value is acquired?
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