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Python None comparison: should I use “is” or ==?
... when you want to check against an object's identity (e.g. checking to see if var is None). Use == when you want to check equality (e.g. Is var equal to 3?).
Explanation:
You can have custom classes where my_var == None will return True
e.g:
class Negator(object):
def __eq__(self,other):
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Change SQLite default settings
...n
And .headers on , we can see the header of tables.
But I want to know if there is any way make the two default settings?
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AVAudioPlayer throws breakpoint in debug mode
Every time I load the app it stops as if I had set a breakpoint on this line:
6 Answers
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Difference between break and continue in PHP?
What is the difference between break and continue in PHP?
10 Answers
10
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Are nested try/except blocks in python a good programming practice?
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In summary the only problem would be your code getting too much indented. If you feel like it, try to simplify some of the nestings like lqc suggested in the suggested answer above.
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MySQL show current connection info
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If I executed this command on cmd of navicat, it gave me 1064 - You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'status' at line 1 error....
How to compute the similarity between two text documents?
... will return normalized tf-idf
pairwise_similarity = tfidf * tfidf.T
or, if the documents are plain strings,
>>> corpus = ["I'd like an apple",
... "An apple a day keeps the doctor away",
... "Never compare an apple to an orange",
... "I prefer scikit-lea...
How do I close all open tabs at once?
If I have 10 tabs opened, I have to close each one using ":q" separately.
8 Answers
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Int or Number DataType for DataAnnotation validation attribute
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For any number validation you have to use different different range validation as per your requirements :
For Integer
[Range(0, int.MaxValue, ErrorMessage = "Please enter valid integer Number")]
for float
[Range(0, float.MaxValue, ErrorMessage = "Please enter va...
Is Response.End() considered harmful?
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If you had employed an exception logger on your app, it will be watered down with the ThreadAbortExceptions from these benign Response.End() calls. I think this is Microsoft's way of saying "Knock it off!".
I would only use...