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Difference between a theta join, equijoin and natural join
... that the resultset has six columns and only contains one column for SNO.
Now consider a theta eqijoin, where the column names for the join must be explicitly specified (plus range variables S and SP are required):
SELECT * FROM S JOIN SP ON S.SNO = SP.SNO;
The resultset will have seven columns,...
How to terminate a Python script
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Do you know if this command works differently in python 2 and python 3?
– David C.
Dec 27 '16 at 18:33
1
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Javascript regex returning true.. then false.. then true.. etc [duplicate]
... end.
[a-z0-9_-]
Whether that would cause this problem or not, I don't know.
Additional notes:
The first and last characters are allowed to be any character that isn't - or _ rather than being restricted to a-z0-9
a-z0-9 doesn't include uppercase characters. You need a-zA-Z0-9 for that.
a-zA-...
decorators in the python standard lib (@deprecated specifically)
...eOldClass (use another class).
SomeOldClass()
EDIT3: This decorator is now part of the Deprecated library:
Python package index (PyPi)
GitHub website
Read The Docs
Twitter
New stable release v1.2.10 ????
share
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How to create NS_OPTIONS-style bitmask enumerations in Swift?
...tocol extensions take care of most of the boilerplate for these, which are now imported as a struct that conforms to OptionSetType. (RawOptionSetType has disappeared as of Swift 2 beta 2.) The declaration is far simpler:
struct MyOptions : OptionSetType {
let rawValue: Int
static let None ...
Select between two dates with Django
...56677 It's an arbitrary field in a model. You can set the DateField's auto_now_add parameter to True in order to have it easily.
– Benbb96
Mar 26 '18 at 13:28
add a comment
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Git Push ERROR: Repository not found
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why would that be necessary? I changed my username and now I'm facing all sorts of issues.
– HighOnMeat
Jan 4 '19 at 1:13
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JavaScript hashmap equivalent
...regular JavaScript dictionary. After all, you are in the best position to know what makes your objects unique. That's what I do.
Example:
var key = function(obj){
// Some unique object-dependent key
return obj.totallyUniqueEmployeeIdKey; // Just an example
};
var dict = {};
dict[key(obj1)] = o...
Removing event listener which was added with bind
...s number one hit and it didn't have a proper solution till you posted this now.
– Blargh
Apr 16 '14 at 19:24
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Append text to input field
...ay I and you me may clear up this sooner or later.
However the point for now is:
When working with form data use .val().
When dealing with the mostly read only data in between the tag use .text() or .append() to append text.
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