imean | website cms based by mongodb express agularJS nodejs | Content Management System library
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kandi X-RAY | imean Summary
A website cms based by mongodb express agularJS nodejs. And based by mvc pattern.
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QUESTION
I am using jquery Datatable and I am geting my data list properly. I am returning a list data. Now I want to set excel title from my returning list. I have a column that's returning the name of my client and now I want to print my 1st row 2nd column value Imean client name like from list (data[0].Name) when export the excel. But I can't set the 1st row 2nd column value to my excel title. Can anyone help me to do this?
ANSWER
Answered 2020-Aug-21 at 21:40You can use a function to get the contents of the cell at the 1st row & 2nd column - and pass the result of that function to the title property.
QUESTION
Why is statistics.mean() so slow compared to the NumPy version or even to a naive implementation like e.g.:
ANSWER
Answered 2019-Apr-18 at 19:11The statistics module uses interpreted Python code, but numpy is using optimized compiled code for all of its heavy lifting, so it would be surprising if numpy didn't blow statistics out of the water.
Furthermore, statistics is designed to play nice with modules like decimal and fractions and uses code which values numerical accuracy and type safety over speed. Your naive implementation uses sum. The statistics module uses its own function called _sum internally. Looking at its source shows that it does an awful lot more than just add things together:
QUESTION
i want to create a laravel application
i follow youtube videos about auto load sereice provider in composer.json
For the convenience of the user
imean load serveiceproviders without user know about it
i put configs in packages composer.json but composer extra not working why?!
...ANSWER
Answered 2018-Nov-08 at 08:34laravel application or package?
if you want create a laravel package using composer (with autoload providers)
you need upload your package to packagist and install it for test provider autoload
in local (laravelProject/packages/someName/packageName/)
need add your package namespase to laravelProject psr-4 autoload
QUESTION
This is the code for finding incircle radius of a sphere inscribed in an irregular tetrahedron, please do help with finding where there is an error....
Imean how to remove that inf part, and do tell if there's any error in implementation part of formulae. As i'm getting wrong answer for second case....
...ANSWER
Answered 2018-Sep-22 at 00:07I changed the source code from:
QUESTION
I am trying to update a ListView, and that is causing java.lang.NullPointerException when list.setItems(newObList) is excuted, tried changing the the ObservableList reference to a new updated list, and that did nothing. Clearing the list first, then resetting the items also causes NullPointerException. Also tried setting the items to null, then resetting them, also NullPointerException. I am simply confused, and I have no idea how to fix this. Please guide me.
The exception happens in the refreshData() method at the list.setItems(obList); statement. It happens when the close button in the secondary stage is pressed (the "insert new word" stage"), that button calls the closeInsertWord() method, which called the refreshData() method. I am using only one controller class, called MainController.java.
ANSWER
Answered 2017-Nov-28 at 20:37closeInsertWord() is called on the controller for the second FXML file, as the handler for a button defined in that file. There is no element in that FXML file with fx:id="list", so list is null in that controller. So you get a null pointer exception when you call list.setItems().
It is generally a bad idea to use the same class for controllers associated with two different FXML files, as it gets very difficult to keep track of which fields are initialized and which are null in each of the different controller instances.
Create a different controller class for each FXML file. Pass the data to the second controller that it needs when you load that file.
Something like:
QUESTION
So I have a a set of N multivariate normal distributions, which all have the same covariance. For each of these distributions, I want to calculate the likelihood of getting the value x.
For a single distribution, and multiple number of "x" values, this is trivial
...ANSWER
Answered 2017-Jan-02 at 14:04You can first calculate the squared mahalanobis distance for all distributions. https://en.wikipedia.org/wiki/Mahalanobis_distance
Afterwards you calculate the probablilty density.
*https://docs.scipy.org/doc/scipy-0.14.0/reference/generated/scipy.stats.multivariate_normal.html *https://en.wikipedia.org/wiki/Multivariate_normal_distribution
By using numpy arrays you can avoid slow python loops. I added this to your example:
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