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Is there a replacement for unistd.h for Windows (Visual C)?
...n't exist. Removing it, I get complaints about misssing prototypes for 'srandom', 'random', and 'getopt'.
I know I can replace the random functions, and I'm pretty sure I can find/hack-up a getopt implementation.
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How to Update Multiple Array Elements in mongodb
...1243
As a work around you can:
Update each item individually
(events.0.handled events.1.handled
...) or...
Read the document, do the edits
manually and save it replacing the
older one (check "Update if
Current" if you want to ensure
atomic updates)
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Retain precision with double in Java
...of 11.4.
Now, a little explanation into why this is happening:
The float and double primitive types in Java are floating point numbers, where the number is stored as a binary representation of a fraction and a exponent.
More specifically, a double-precision floating point value such as the double...
Difference between VARCHAR and TEXT in MySQL [duplicate]
....
VARCHAR(M)
variable max size of M characters
M needs to be between 1 and 65535
takes 1 + c bytes (for M ≤ 255) or 2 + c (for 256 ≤ M ≤ 65535) bytes of disk space where c is the length of the stored string
can be part of an index
More Details
TEXT has a fixed max size of 2¹⁶-1 = 655...
Difference between decimal, float and double in .NET?
What is the difference between decimal , float and double in .NET?
18 Answers
18
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What's the difference between HEAD^ and HEAD~ in Git?
...n I specify an ancestor commit object in Git, I'm confused between HEAD^ and HEAD~ .
15 Answers
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Common programming mistakes for Clojure developers to avoid [closed]
What are some common mistakes made by Clojure developers, and how can we avoid them?
8 Answers
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Is SHA-1 secure for password storage?
...t to 160 or 128 bits (to save on storage cost). Some of the SHA-3 round-2 candidates appear to be faster than SHA-1 while being arguably "more secure"; yet they are still a bit new, so sticking to SHA-256 or SHA-512 would be a safer route right now. It would make you look professional and cautious, ...
How do I convert a pandas Series or index to a Numpy array? [duplicate]
...d for a conversion.
Note: This attribute is also available for many other pandas' objects.
In [3]: df['A'].values
Out[3]: Out[16]: array([1, 2, 3])
To get the index as a list, call tolist:
In [4]: df.index.tolist()
Out[4]: ['a', 'b', 'c']
And similarly, for columns.
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Are duplicate keys allowed in the definition of binary search trees?
I'm trying to find the definition of a binary search tree and I keep finding different definitions everywhere.
12 Answers
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