array

What are the best practices for passing multiple variables to a function using PHP [closed]

匿名 (未验证) 提交于 2019-12-03 08:44:33
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: I have a function that takes 5 parameters, and as the application grew we needed to add few more parameters which ended up in 9 parameters with 4 of them having default values. I was wondering is it better to pass parameters like this or use an array? I prefer to have it like this fun(array( 'par1' => 'x', 'par2' => 'y', ..... ) ) Insted of func($par1, $par2, $par3, ...); What do you think? 回答1: Highly depends on the use case. But here are some solutions to this problem. Fixed Order If the order is somewhat fixed and you never have a need to

Taking np.average while ignoring NaN's?

匿名 (未验证) 提交于 2019-12-03 08:44:33
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: I have a matrix with shape (64,17) correspond to time & latitude. I want to take a weighted latitude average, which I know np.average can do because, unlike np.nanmean, which I used to average the longitudes, weights can be used in the arguments. However, np.average doesn't ignore NaN like np.nanmean does, so my first 5 entries of each row are included in the latitude averaging and make the entire time series full of NaN. Is there a way I can take a weighted average without the NaN's being included in the calculation? file = Dataset("sst_aso

argrelextrema and flat extrema

匿名 (未验证) 提交于 2019-12-03 08:44:33
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: Function argrelextrema from scipy.signal does not detect flat extrema. Example: import numpy as np from scipy.signal import argrelextrema data = np.array([ 0, 1, 2, 1, 0, 1, 3, 3, 1, 0 ]) argrelextrema(data, np.greater) (array([2]),) the first max (2) is detected, the second max (3, 3) is not detected. Any workaround for this behaviour? Thanks. 回答1: Short answer: Probably argrelextrema will not be flexible enough for your task. Consider writing your own function matching your needs. Longer answer: Are you bound to use argrelextrema ? If yes,

Pinning Array of .NET objects

匿名 (未验证) 提交于 2019-12-03 08:44:33
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: I would like to pin an array of .NET objects (including the objects) in order to allow a native function to do some processing on the objects. As far as I understood, GCHandle.Alloc() does not allow me to do this, because such an array contains references (and the objects might also contain references) which are not blittable. Is there any other option to achieve this? I would be okay with very hack-y suggestions or ones that require Mono. 回答1: Arrays in .NET are represented in contiguous memory. So that means that in memory, after element 0

Julia: Assignment in Arrays

匿名 (未验证) 提交于 2019-12-03 08:44:33
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: When indexing more than one level for an array, it works fine. But when I used it to assign values, it did not. Does anyone know why A does not change below? In [ 4 ]: A = rand ( 6 ) Out [ 4 ]: 6 - element Array { Float64 , 1 }: 0.111552 0.155126 0.78485 0.147477 0.362078 0.959022 In [ 5 ]: A [ 3 : 5 ][[ true , false , true ]] Out [ 5 ]: 2 - element Array { Float64 , 1 }: 0.78485 0.362078 In [ 6 ]: A [ 3 : 5 ][[ true , false , true ]] = [ 99 , 999 ] Out [ 6 ]: 2 - element Array { Int64 , 1 }: 99 999 In [ 7 ]: A Out [ 7 ]: 6 -

Create an int list feature to save as tfrecord in tensorflow?

匿名 (未验证) 提交于 2019-12-03 08:44:33
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: How can I create a tensorflow record from a list? From the documentation here it seems possible. There's also this example where they convert a numpy array into a byte array using the .tostring() from numpy. However when I try to pass in: labels = np.asarray([[1,2,3],[4,5,6]]) ... example = tf.train.Example(features=tf.train.Features(feature={ 'height': _int64_feature(rows), 'width': _int64_feature(cols), 'depth': _int64_feature(depth), 'label': _int64_feature(labels[index]), 'image_raw': _bytes_feature(image_raw)})) writer.write(example

Redim variable number of dimensions in VBA

匿名 (未验证) 提交于 2019-12-03 08:44:33
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: I have a case in an Excel macro (VBA) where I'd like to dimension an array where the number of dimensions and the bounds of each dimension are determined at runtime. I'm letting the user specify a series of combinatorial options by creating a column for each option type and filling in the possibilities below. The number of columns and the number of options is determined at run time by inspecting the sheet. Some code needs to run through each combination (one selection from each column) and I'd like to store the results in a multidimensional

Return object from array with highest value

匿名 (未验证) 提交于 2019-12-03 08:44:33
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: I want to return an object from an array who's property has the highest value. Currently I am doing the following Get-VM | Sort-Object -Property ProvisionedSpaceGB | Select-Object -Last 1 This works but is inefficient. I don't need the entire array sorted, I just need the object with largest value. Ideally I would use something like Get-VM | Measure-Object -Property ProvisionedSpaceGB -Maximum but this only returns the value of the object property, not the entire object. Is there a way to have measure-object return the base object? 回答1: Not

Replace characters in string array Javascript

匿名 (未验证) 提交于 2019-12-03 08:44:33
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: I have defined and populated an array called vertices . I am able to print the output to the JavaScript console as below: ["v 2.11733 0.0204144 1.0852", "v 2.12303 0.0131256 1.08902", "v 2.12307 0.0131326 1.10733" ...etc. ] However I wish to remove the 'v' character from each element. I have tried using the .replace() function as below: var x; for(x = 0; x < 10; x++) { vertices[x].replace('v ', ''); } Upon printing the array to the console after this code I see the same output as before, with the 'v's still present. Could anyone tell me how

Pass array to code behind from jquery ajax

匿名 (未验证) 提交于 2019-12-03 08:44:33
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: I have to pass two dimensional array to the page method written at code behind of the web page in asp.net I have a variable objList as a two dimensional array. I used following code for achieving this with no success and page method is not called. JAVASCRIPT function BindTable(objList) { $.ajax( { url: "CompCommonQues.aspx/SaveData", contentType: "application/json; charset=utf-8", dataType: "json", type: "POST", data: { data: objList }, success: function (data) { //Success code here }, error: function () { } }); } CODE BEHIND .CS File