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SQL Inner-join with 3 tables?
I'm trying to join 3 tables in a view; here is the situation:
12 Answers
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Gmail Error :The SMTP server requires a secure connection or the client was not authenticated. The s
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203
This generally happens when you try login from different time zone or IP Address Computer. Your ...
Python element-wise tuple operations like sum
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138
import operator
tuple(map(operator.add, a, b))
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Two versions of python on linux. how to make 2.7 the default
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173
You probably don't actually want to change your default Python.
Your distro installed a standar...
Removing viewcontrollers from navigation stack
...ave a navigation stack, with say 5 UIViewControllers. I want to remove the 3rd and 4th viewcontrollers in the stack on the click of a button in the 5th viewcontroller. Is it possible to do this? If so how?
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How do you add an array to another array in Ruby and not end up with a multi-dimensional result?
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edited Jul 23 '14 at 19:10
answered Nov 26 '09 at 5:09
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Adding a new array element to a JSON object
...eamId":"1","status":"pending"},{"teamId":"2","status":"member"},{"teamId":"3","status":"member"}]}';
var obj = JSON.parse(jsonStr);
obj['theTeam'].push({"teamId":"4","status":"pending"});
jsonStr = JSON.stringify(obj);
// "{"theTeam":[{"teamId":"1","status":"pending"},{"teamId":"2","status":"member...
How to get item's position in a list?
...in enumerate(testlist) if x == 1]
Example:
>>> testlist
[1, 2, 3, 5, 3, 1, 2, 1, 6]
>>> [i for i,x in enumerate(testlist) if x == 1]
[0, 5, 7]
Update:
Okay, you want a generator expression, we'll have a generator expression. Here's the list comprehension again, in a for loop...
Formula to determine brightness of RGB color
... → sqrt( 0.299*R^2 + 0.587*G^2 + 0.114*B^2 ) (thanks to @MatthewHerbst) [3]
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ANTLR: Is there a simple example?
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453
Note: this answer is for ANTLR3! If you're looking for an ANTLR4 example, then this Q&A demo...