Filtering

In signal processing the complete or partial suppression of some aspect of the signal

Sorting

Sorting is the process of applying some order to a collection of items.



Angular developers logic

Example

"They recommend filtering list items in the component logic the angular team and many experienced angular developers strongly recommend moving filtering and sorting logic into the component itself"

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Angular controlling a list of objects visibility on the same view

"The angular team and many experienced angular developers strongly recommend moving filtering and sorting logic into the component itself"

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Alphabetical sorting for dropdown

"Angular doesn t offer such pipes because they perform poorly and prevent aggressive minification ... the angular team and many experienced angular developers strongly recommend moving filtering and sorting logic into the component itself this means you should get rid of your pipe and put the logic directly inside your component"

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Alternative for impure pipes in Angular 6?

"The angular team and many experienced angular developers strongly recommend moving filtering and sorting logic into the component itself if you want to sort your items by let s say name here it goes in your html"

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Orderby with *ngFor array

"You shouldn t use pipes for filtering or sorting lists the angular team and many experienced angular developers strongly recommend moving filtering and sorting logic into the component itself"

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Angular 6 Filter observable array with pipe

Cheaper duplicate field

Example

"Sorting once before filtering is cheaper than searching for a duplicate in the entire array for every array element o n²"

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Remove duplicates from an array of objects in JavaScript

"If your author field is selective and sorting is cheaper than filtering"

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Setting content to be viewable by friends only

Data second efficient

Example

"In my point of view your second case is a way more efficient as sorting out or filtering data in simple php will make your application much slower"

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What is the best way to import data to DB with Foreach in php?

"Sorting is more important to me than filtering so if i have to have both sorting and filtering target the same representation of the data i ll just give up on filtering working"

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SmartGWT ListGrid with DataSource, Filter on CellFormatter output

"Using getelementsbyid allows me to pass by this but objelement then doesn t support .click html button code the end result is to allow the csv to open as a new excel workbook sheet as from there i m very familiar with sorting filtering data"

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Finding a HTML button element reference (class, tag, etc) for VBA to automatically click?

Faster database tier

Example

"In terms of your speed query i d propose that your pseudomedian filtering is faster because it doesn t involve sorting"

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Median filter vs. pseudomedian filter in matlab

"You d still have to filtering to get a range though it ought to be faster than sorting at least"

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Accessing the attribute of a python object depending on a second attibute of that object

"The database can filtering faster than any other tier in general because using a where clause on the database will often allow the database to avoid even reading the unnecessary records off the disk which is several orders of magnitude slower than anything you can do with the cpu;sorting is often faster on the db as well because the db can often do the joins in such a way that records are already sorted in the order you want them"

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Sorting and Filtering Records

"If almost all elements fail the filtering then it s considerably slower than just sorting everything since you ll end up selecting thousands of times"

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Limited Sort/Filter Algorithm

Others

Example

Filtering is a lot less expensive than sorting

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What causes a WPF ListCollectionView that uses custom sorting to re-sort its items?

I know someone will have a good suggestion for something cleaner than the sorting looping and filtering i ve tried

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How to Clean Up Array of Arrays with Semi-duplicate Values Base on Keys in PHP?

I would not try to sort first then binary search as filtering is a o n operation and sorting a o nlog n on top of which you have to add a binary search

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Prefix search Algorithim using multi-cores

You can perform operations on it more readily such as sorting or filtering

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On Angular, is binding to FormGroup (instead to a 'real model') a bad practice?

Edit on 01 29 2018 an article about the material data table has been written and can be seen here the material data table includes server pagination filtering and sorting and is probably more up-to-date than my code below since a lot of people are visiting this post i guess there was a real need for this hopefully this will help you all have fun

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Angular 2 material implementing sort, filter and pagination

For example with range 0 10 if we filtering list to be within range then we don t have to worry about it and the following list sorting it makes easier to pick next value i want to output list of paths taken to cover the range as follows i tried setting up function that would get list of next possible x y values as follows but it only prints a single path

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Create list of paths taken

Considering sorting is more complicated than summation median filtering will cost longer time

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Why cv::cuda::createMedianFilter function is slower than cv::medianBlur?

On the other hand you may want stable sorting in other contexts as well and so if you have the stable_sort function defined this approach would still be more straightforward than filtering out the numbers with each sign and recombining them

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Separate negative and positive numbers in array with javascript

Filtering and concat since you don t care about the order other than these two grouping and you know the larger array has all the elements from the smaller rather than sorting you could just filtering all critarray items out of array than concatenate critarray and array this assumes _id is a unique identifier

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Sort larger javascript array by another array and move values to the top of the array

Also i think that the update of the gui is relatively slow after filtering and sorting

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How to disable CollectionView live sorting and filtering?

Every sorting paging and filtering is nothing more as reloading the grid which has datatype local with another parameters like page sortname postdata.filters

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How to reload data in free jqgrid 4.15.4

Sorting should be supported by the search container;you just need to indicate it in the columns but filtering is more tricky

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How to create simple data presentation portlet for liferay 7.0?

Prepare some helper to create combined filtering function mix of filtering and searching sorting is far easier

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Shuffle.js implementation with React.js

Update this question is marked as a possible duplicate of another question which answers how to sort but i need more than sorting a coping the list b filtering out elements c sort it

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How to Copy, filter and sort a list in just one statement in c#

But right now the sorting step is taking way longer than the filtering step so i would like to combine them in some way

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Limited Sort/Filter Algorithm

Irebase realtime database has sorting so i can download the array of neighborhood dogs ordered by name age etc;i can filtering only dogs more than five years old but firebase realtime database can firebase realtime database sort and filtering

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Converting Firebase Database to Cloud Firestore

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