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SQL Inner-join with 3 tables?
...ou can do the following (I guessed on table fields,etc)
SELECT s.studentname
, s.studentid
, s.studentdesc
, h.hallname
FROM students s
INNER JOIN hallprefs hp
on s.studentid = hp.studentid
INNER JOIN halls h
on hp.hallid = h.hallid
Based on your request for multiple halls you...
Dependency Inject (DI) “friendly” library
...t high level functions. Of course, those high-level functions will be implemented using the SOLID class design principles as much as possible. As such, there will probably be classes intended for consumers to use directly on a regular basis, and "support classes" that are dependencies of those mor...
MySQL INSERT INTO table VALUES.. vs INSERT INTO table SET
...existing table. The INSERT ... VALUES and INSERT ... SET forms of the statement insert rows based on explicitly specified values. The INSERT ... SELECT form inserts rows selected from another table or tables.
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All but last element of Ruby array
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Adding a method to Array seems like the best approach to me. Most projects end up with a core_ext.rb file with little extensions like this. Some libraries are practically all extensions like this: ActiveSupport for example.
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How to read an external properties file in Maven
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I had problems with this plugin on Windows. If someone has problems too, try out kuali instead.
– fnst
May 10 '13 at 11:16
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Where does the .gitignore file belong?
Does the .gitignore file belong in the .git folder structure somewhere or in the main source files?
8 Answers
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Wildcards in jQuery selectors
I'm trying to use a wildcard to get the id of all the elements whose id begin with "jander". I tried $('#jander*') , $('#jander%') but it doesn't work..
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How to create an object property from a variable value in JavaScript? [duplicate]
I want to add a new property to 'myObj', name it 'string1' and give it a value of 'string2', but when I do it it returns 'undefined:
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Array_merge versus + [duplicate]
When I use array_merge() with associative arrays I get what I want, but when I use them with numerical key arrays the keys get changed.
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send mail from linux terminal in one line [closed]
...inux system. What you want behind it is either sendmail or postfix. I recommend the latter.
You can install it via your favorite package manager. Then you have to configure it, and once you have done that, you can send email like this:
echo "My message" | mail -s subject user@gmail.com
See the ...