大约有 40,000 项符合查询结果（耗时：0.0769秒） [XML]
shortcut for creating a Map from a List in groovy?
...tMap{[it.value, it.key]} == [2:1, 4:3]
and here I use it to create a map from a list
[1,2].collectMap{[it,it]} == [1:1, 2:2]
now I just pop this into a class that gets called as my app is starting and this method is available throughout my code.
EDIT:
to add the method to all arrays...
Objec...
document.getElementById vs jQuery $()
...ject and is equivalent to $('#id').
You can get the underlying DOM object from a jQuery object by writing $('#id')[0].
share
|
improve this answer
|
follow
...
Why must a nonlinear activation function be used in a backpropagation neural network? [closed]
...planatory variables
non-linear means that the output cannot be reproduced from a linear combination of the inputs (which is not the same as output that renders to a straight line--the word for this is affine).
another way to think of it: without a non-linear activation function in the network, a N...
How to check if an element is in an array
...
How to search specific element from generic array? say [AnyObject] ?
– Dhaval H. Nena
Jul 7 '16 at 6:27
add a comment
...
How to copy files from 'assets' folder to sdcard?
...need to copy all of them to a folder say /sdcard/folder. I want to do this from within a thread. How do I do it?
22 Answer...
How do I use arrays in C++?
C++ inherited arrays from C where they are used virtually everywhere. C++ provides abstractions that are easier to use and less error-prone ( std::vector<T> since C++98 and std::array<T, n> since C++11 ), so the need for arrays does not arise quite as often as it does in C. However, ...
How to trim a string to N chars in Javascript?
...
.substring(from, to) takes indices. .substr(from, length) does not, Also .substr() used to have an inconsistency in IE when the first argument is negative.
– Bob Stein
Jun 13 '19 at 12:24
...
Simulating tremor (from e.g. Parkinson's Disease) with the mouse on a webpage?
...ontained in app.js, in the canvasLoop(e) method.
The only thing I changed from the original demo was after the lines
x += movementX * 2;
y += movementY * 2;
I added two lines to represent random movement:
x += Math.floor(Math.random()*3 - 1);
y += Math.floor(Math.random()*3 - 1);
There are st...
How do you create nested dict in Python?
...t;> d
{'dict1': {'innerkey': 'value'}}
You can also use a defaultdict from the collections package to facilitate creating nested dictionaries.
>>> import collections
>>> d = collections.defaultdict(dict)
>>> d['dict1']['innerkey'] = 'value'
>>> d # currentl...
How do I limit the number of results returned from grep?
I would like to say 10 lines max from grep.
5 Answers
5
...