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Incrementing a date in JavaScript
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825
Three options for you:
1. Using just JavaScript's Date object (no libraries):
My previous ans...
How to sort mongodb with pymongo
...d", 1)
For multiple fields:
.sort([("field1", pymongo.ASCENDING), ("field2", pymongo.DESCENDING)])
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Can Json.NET serialize / deserialize to / from a stream?
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edited May 23 '17 at 12:34
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111 silver badge
answered Nov 16 '11 at 20:29
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ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.al
...in boolean context (by
calling __bool__ in Python3 or __nonzero__ in Python2).
Your original code
mask = ((r["dt"] >= startdate) & (r["dt"] <= enddate))
selected = r[mask]
looks correct. However, if you do want and, then instead of a and b use (a-b).any() or (a-b).all().
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Is there a method to generate a UUID with go language
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12 Answers
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Are class names in CSS selectors case sensitive?
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246
CSS selectors are generally case-insensitive; this includes class and ID selectors.
But HTML ...
Best way to define private methods for a class in Objective-C
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What are bitwise operators?
...hifting is useful in several cases.
x << y
is the same as
x * 2y
if you need to quickly multiply by a power of two, but watch out for shifting a 1-bit into the top bit - this makes the number negative unless it's unsigned. It's also useful when dealing with different sizes of data. ...
.NET 4.0 build issues on CI server
...4.0 applications compiling on a CI server without installing Visual Studio 2010 on a CI server?
4 Answers
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OS X Terminal Colors [closed]
...en the Text subtab and check Display ANSI Colors.
Verified on Sierra (May 2017).
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