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What does -1 mean in numpy reshape?
...oned criteria
Now see the example.
z = np.array([[1, 2, 3, 4],
[5, 6, 7, 8],
[9, 10, 11, 12]])
z.shape
(3, 4)
Now trying to reshape with (-1) . Result new shape is (12,) and is compatible with original shape (3,4)
z.reshape(-1)
array([ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 1...
Equivalent of “continue” in Ruby
...
951
Yes, it's called next.
for i in 0..5
if i < 2
next
end
puts "Value of local v...
Difference between '..' (double-dot) and '…' (triple-dot) in range generation?
...
5 Answers
5
Active
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MD5 algorithm in Objective-C
How to calculate the MD5 in Objective-C?
5 Answers
5
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C语言面试那些事儿──一道指针与数组问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...组问题首先看如下代码：int main(int argc, char** argv){ int a[5] = {1,2,3,4,5}; int* ptr = (int*)(&a + 1); ...首先看如下代码：
int main(int argc, char** argv)
{
int a[5] = {1,2,3,4,5};
int* ptr = (int*)(&a + 1);
printf("%d,%d\n", *(a+1), *(ptr-1));
re...
How to pip install a package with min and max version range?
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edited Jun 15 '16 at 18:32
Leif Arne Storset
66955 silver badges1616 bronze badges
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What does a \ (backslash) do in PHP (5.3+)?
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256
\ (backslash) is the namespace separator in PHP 5.3.
A \ before the beginning of a function re...
What is the difference between class and instance attributes?
...
5 Answers
5
Active
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Install MySQL on Ubuntu without a password prompt
...-get -y install mysql-server
For specific versions, such as mysql-server-5.6, you'll need to specify the version in like this:
sudo debconf-set-selections <<< 'mysql-server-5.6 mysql-server/root_password password your_password'
sudo debconf-set-selections <<< 'mysql-server-5.6 m...