大约有 47,000 项符合查询结果(耗时:0.0507秒) [XML]
The smallest difference between 2 Angles
...
a one line simple solution and solved for me(not the selected answer ;) ). but tan inverse is a costly process.
– Mohan Kumar
Jun 20 '16 at 16:32
...
What are good examples of genetic algorithms/genetic programming solutions? [closed]
...by just mixing bits from two parents), with the likelihood of a gene being selected as a parent being proportional to the profit it produced. I also added the possibility of point mutations to spice things up a bit. After a few hundred generations of this, I ended up with a population of genes tha...
How to capitalize first letter of each word, like a 2-word city? [duplicate]
... Might I recommend using \b\w instead of \w\S* as this will select the first letter of every word, even if the character inbetween is a slash or a dash rather than a space.
– BarryMode
Sep 15 '15 at 20:10
...
Bash command to sum a column of numbers [duplicate]
... With bc -l you can even add up float numbers. With cut you can select columns from the input: cat input.txt | cut -d ' ' -f 8 | paste -sd+ | bc -l will add all float numbers in column 8 of the input (space being the field separator).
– Arne
Sep 24 '...
How to find the array index with a value?
...t",
"subject": "chemistry"
},
];
Now if we have a requirement to select a particular object in the array. Let us assume that we want to find index of student with name Tanmay.
We can do that by iterating through the array and comparing value at the given key.
function functiontofindIndex...
Draw multi-line text to Canvas
...
You can get the metrics for a selected character, e.g. font.measure("Y")
– GregD
Apr 10 at 18:41
add a comment
...
How to install Maven 3 on Ubuntu 18.04/17.04/16.10/16.04 LTS/15.10/15.04/14.10/14.04 LTS/13.10/13.04
...
Use this command to select the correct version of maven after it's been installed: sudo update-alternatives --config mvn
– mogsie
Nov 1 '13 at 11:46
...
Get specific object by id from array of objects in AngularJS
... };
// We filter the array by id, the result is an array
// so we select the element 0
single_object = $filter('filter')(foo.results, function (d) {return d.id === 2;})[0];
// If you want to see the result, just check the log
console.log(single_object);
}]);
Plunker: http://...
How to access the ith column of a NumPy multidimensional array?
...]])
>>> ncol = test.shape[1]
>>> ncol
5L
Then you can select the 2nd - 4th column this way:
>>> test[0:, 1:(ncol - 1)]
array([[1, 2, 3],
[6, 7, 8]])
share
|
im...
Auto increment in phpmyadmin
...e on the pop-up window, scroll left and check A_I. Also make sure you have selected None for Default
share
|
improve this answer
|
follow
|
...
