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Why does `a == b or c or d` always evaluate to True?
...ame == "Kevin" or name == "Jon" or name == "Inbar"', setup="name='Inbar'")
0.4247764749999945
>>> timeit.timeit('name in {"Kevin", "Jon", "Inbar"}', setup="name='Inbar'")
0.18493307199999265
For those who may want proof that if a == b or c or d or e: ... is indeed parsed like this. The bu...
How to remove all rows in a numpy.ndarray that contain non-numeric values
...ince it returns true only for finite reals.
– naught101
Sep 7 '16 at 23:16
7
@naught101 You also ...
How to add 2 buttons into the UINavigationbar on the right side without IB?
...lable in iOS 5 as well.
– iAmd
Jun 10 '13 at 7:50
1
Nice and simple! I also included the existing...
Android: integer from xml resource
...er values.
Your file then looks something like that:
<?xml version="1.0" encoding="utf-8"?>
<resources>
<integer name="maximum">100</integer>
...
</resources>
Reference the integer value in the Java code like this:
It's a bit different from the getStrin...
Why is isNaN(null) == false in JS?
...false.
So in the specific case x = null, null is converted to the number 0, (try evaluating Number(null) and see that it returns 0,) and isNaN(0) returns false. A string that is only digits can be converted to a number and isNaN also returns false. A string (e.g. 'abcd') that cannot be converted t...
MongoDB/Mongoose querying at a specific date?
...osts.find( //query today up to tonight
{"created_on": {"$gte": new Date(2012, 7, 14), "$lt": new Date(2012, 7, 15)}})
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How to list commits since certain commit?
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answered Oct 7 '11 at 22:04
manojldsmanojlds
248k5454 gold badges425425 silver badges395395 bronze badges
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How to export all data from table to an insertable sql format?
...(call it A_db ) in Microsoft SQL Server Management Studio, and there are 10 rows.
6 Answers
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MySQL - length() vs char_length()
...> 3, 1
As you can see the Euro sign occupies 3 bytes (it's encoded as 0xE282AC in UTF-8) even though it's only one character.
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Sort rows in data.table in decreasing order on string key `order(-x,v)` gives error on data.table 1.
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Sep 10 '12 at 14:41
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