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SQL - HAVING vs. WHERE
...er GROUP BY. It is a rather primitive rule, but it is useful in more than 90% of the cases.
While you're at it, you may want to re-write your query using ANSI version of the join:
SELECT L.LectID, Fname, Lname
FROM Lecturers L
JOIN Lecturers_Specialization S ON L.LectID=S.LectID
GROUP BY L.LectID...
How to convert a double to long without casting?
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answered Nov 26 '08 at 17:47
Jon SkeetJon Skeet
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How to filter files when using scp to copy dir recursively?
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edited Oct 10 '13 at 15:54
Daniel Imms
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Eclipse error: indirectly referenced from required .class files?
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How do you remove the title text from the Android ActionBar?
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Installing Bower on Ubuntu
I'm trying to install Bower on XUbuntu 13.10, following the instructions on the Bower home page, after doing sudo apt-get install npm and sudo npm install -g bower I get the following after issuing bower on the command line:
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How do I check whether a file exists without exceptions?
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5305
If the reason you're checking is so you can do something like if file_exists: open_it(), it's s...
ActiveRecord OR query
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110
Use ARel
t = Post.arel_table
results = Post.where(
t[:author].eq("Someone").
or(t[:title]....
Adding elements to object
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If you want cart to be an array of objects in the form { element: { id: 10, quantity: 1} } then perform:
var element = {}, cart = [];
element.id = id;
element.quantity = quantity;
cart.push({element: element});
JSON.stringify() was mentioned as a concern in the comment:
>> JSON.stringify...
Simulating Slow Internet Connection
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110
If you're running windows, fiddler is a great tool. It has a setting to simulate modem speed, a...