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How can I apply a function to every row/column of a matrix in MATLAB?
...ou are applying to take advantage of this.
If that's not a viable option, one way to do it is to collect the rows or columns into cells using mat2cell or num2cell, then use cellfun to operate on the resulting cell array.
As an example, let's say you want to sum the columns of a matrix M. You can d...
What is the role of the bias in neural networks? [closed]
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@Gabriel: There should be one bias per hidden neuron.
– user4846835
Jan 4 '18 at 5:20
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sho...
What are type lambdas in Scala and what are their benefits?
...guments, but to implement Monad, you need to give it a type constructor of one argument. The solution to this is to use a type lambda:
class EitherMonad[A] extends Monad[({type λ[α] = Either[A, α]})#λ] {
def point[B](b: B): Either[A, B]
def bind[B, C](m: Either[A, B])(f: B => Either[A, C...
Set the absolute position of a view
...;
rl.addView(iv, params);
More examples:
Places two 30x40 ImageViews (one yellow, one red) at (50,60) and (80,90), respectively:
RelativeLayout rl = (RelativeLayout) findViewById(R.id.my_relative_layout);
ImageView iv;
RelativeLayout.LayoutParams params;
iv = new ImageView(this);
iv.setBackgr...
How does a public key verify a signature?
... the signer has (or should have) that is where the trust comes from. EVERYONE has (or should have) access to the signer's public key.
So, to validate a digital signature, the recipient
Calculates a hash of the same data (file, message, etc.),
Decrypts the digital signature using the sender's...
What to do with “Unexpected indent” in python?
...Unexpected indent. This line of code has more spaces at the start than the one before, but the one before is not the start of a subblock (e.g. if/while/for statement). All lines of code in a block must start with exactly the same string of whitespace. For instance:
>>> def a():
... print...
Is there an MD5 Fixed Point where md5(x) == x?
...
True, if you had to try every one. But you would only have to try every possible input to verify that there was no fixed point. If there is a fixed point (and Adam Rosenfield's answer suggests that there might be) then one lucky guess is all that's needed...
How to check if DST (Daylight Saving Time) is in effect, and if so, the offset?
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This code uses the fact that getTimezoneOffset returns a greater value during Standard Time versus Daylight Saving Time (DST). Thus it determines the expected output during Standard Time, and it compares whether the output of the given date the same (Standard) o...
Spring Data JPA find by embedded object property
...ind entities with a property of an embedded object in that entity. Does anyone know if this is possible, and if so how?
4 A...
How do I recover/resynchronise after someone pushes a rebase or a reset to a published branch?
We have all heard that one should never rebase published work, that it’s dangerous, etc. However, I have not seen any recipes posted for how to deal with the situation in case a rebase is published.
...