matrix

Steps to reproduce

Upon logging in and choosing the option to use my security passphrase to verify my device, I found that the placeholder in the field for entering my security passphrase is oddly bolded.

What happened?

What did you expect?

Field placeholders are not usually bold.

What happened?

![image](https://user-images.githubusercontent.com/1342360/13308366

See:
gonum/gonum#845 (comment)

For now only strings are accepted as the measures parameter in GridSearchCV, RandomizedSearchCV, and cross_validate. It's thus impossible to use those with measures that take specific parameters as input (e.g. #156 ), or to use custom measures.

We should then accept callables in addition to strings.

Each callable should only take the predictions parameter. In order to handle measur

Especially for IRC, the outgoing IP address can matter a lot. Need some way to set which one to use on a box that has many.

Description:

I'm running dendrite on kubernetes, using an ingress controller. As ingress controllers can't

The User Guide on vectors and matrices should be updated with instructions for how to use the matrix! macro (and related vector!, dvector! and dmatrix! macros) to construct matrices, as this is now the preferred way of constructing small matrices directly based on entries.

See #987 for the issue that prompted this issue.

Steps to reproduce

1. Left menu -> "Add Space"
2. "Public"
3. Name -> thisisanamespacewithareallylongnamefornoreasonotherthantotesttheerrorthrownforrisiculouslylongnamespacesbecasuesoempeoplewilltrytonamethingsreallyobscurenamesbecausetheycanbefunsometimesbutapparentlyelementdoesntreallysupportthemorsoiwillfindoutsoooooooooooooooooooooooon
   -> Space address is auto-filled
4. Click on "NEXT

Is your feature request related to a problem? Please describe.
Open emoji picker, type search term, then you have to use the mouse to select the emoji. It would be nicer if you could use the arrow keys to transition into selecting the emoji.