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while (1) vs. while(True) — Why is there a difference (in python 2 bytecode)?
...True is reassignable:
Python 2.7 (r27:82508, Jul 3 2010, 21:12:11)
[GCC 4.0.1 (Apple Inc. build 5493)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> True = 4
>>> True
4
In Python 3.x it truly becomes a keyword and a real constant:
Pyth...
SQLite INSERT - ON DUPLICATE KEY UPDATE (UPSERT)
...
Since 3.24.0 SQLite also supports upsert, so now you can simply write the following
INSERT INTO visits (ip, hits)
VALUES ('127.0.0.1', 1)
ON CONFLICT(ip) DO UPDATE SET hits = hits + 1;
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How do I pass the this context to a function?
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edited May 24 '14 at 4:21
David Robles
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Convert int to ASCII and back in Python
... node 1 might be short.com/a , node 52 might be short.com/Z , and node 104 might be short.com/ZZ . When a user goes to that URL, I need to reverse the process (obviously).
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How do I parse JSON with Objective-C?
... a suitable error condition */
}
}
else
{
// the user is using iOS 4; we'll need to use a third-party solution.
// If you don't intend to support iOS 4 then get rid of this entire
// conditional and just jump straight to
// NSError *error = nil;
// [NSJSONSerialization JSONOb...
Postgres manually alter sequence
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edited Oct 23 '18 at 20:43
Is Ma
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answered Jan 5 '12 at 15:31
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How can I check whether a numpy array is empty or not?
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4 Answers
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AngularJS ng-if with multiple conditions
...ution?
– Mr_Perfect
Dec 2 '16 at 5:14
@CharanCherry Take a look into angular form validation. That way you can set all...
Grep for literal strings
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answered Jul 14 '10 at 2:08
Scott StaffordScott Stafford
38.9k2020 gold badges110110 silver badges158158 bronze badges
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jQuery append() vs appendChild()
...udio Redi
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