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Dynamically load a JavaScript file
...){
// First make sure it hasn't been loaded by something else.
if( Array.contains( includedFile, url ) )
return;
// Determine the MIME-type
var jsExpr = new RegExp( "js$", "i" );
var cssExpr = new RegExp( "css$", "i" );
if( type == null )
if( jsExpr.test( url...
In php, is 0 treated as empty?
...as an integer)
0.0 (0 as a float)
"0" (0 as a string)
NULL
FALSE
array() (an empty array)
var $var; (a variable declared, but without a value in a class)
Note that this is exactly the same list as for a coercion to Boolean false. empty is simply !isset($var) || !$var. Try isset inst...
Finding the average of a list
...
Oh, but np.array(l).mean() is much faster.
– L. Amber O'Hearn
Sep 23 '15 at 19:16
8
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Byte[] to InputStream or OutputStream
...
You create and use byte array I/O streams as follows:
byte[] source = ...;
ByteArrayInputStream bis = new ByteArrayInputStream(source);
// read bytes from bis ...
ByteArrayOutputStream bos = new ByteArrayOutputStream();
// write bytes to bos ...
b...
Deep Learning（深度学习）学习笔记整理系列之（一） - 大数据 & AI - 清泛...
...低级抽象，逐渐向高级抽象迭代。人类的逻辑思维，经常使用高度抽象的概念。
例如，从原始信号摄入开始（瞳孔摄入像素 Pixels），接着做初步处理（大脑皮层某些细胞发现边缘和方向），然后抽象（大脑判定，眼前的...
binning data in python with scipy/numpy
is there a more efficient way to take an average of an array in prespecified bins? for example, i have an array of numbers and an array corresponding to bin start and end positions in that array, and I want to just take the mean in those bins? I have code that does it below but i am wondering how it...
Each for object? [duplicate]
... option would be to use vanilla Javascript using the Object.keys() and the Array .map() functions like this
Object.keys(object).map(function(objectKey, index) {
var value = object[objectKey];
console.log(value);
});
See https://developer.mozilla.org/nl/docs/Web/JavaScript/Reference/Global...
How to get a value from a cell of a dataframe?
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You can turn your 1x1 dataframe into a numpy array, then access the first and only value of that array:
val = d2['col_name'].values[0]
share
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improve this answer
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How to loop through all enum values in C#? [duplicate]
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You can cast the array directly: (T[])Enum.GetValues(typeof(T))
– Şafak Gür
Nov 22 '12 at 9:51
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How to check for a JSON response using RSpec?
...st, thanks a lot. A small correction: JSON.parse(response.body) returns an array. ['foo'] however searches for a key in a hash value. The corrected one is parsed_body[0]['foo'].
– CanCeylan
Dec 26 '12 at 15:27
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