Top "Filter" questions

How to specify "does not contain" in dplyr filter

I am quite new to R. Using the table called SE_CSVLinelist_clean, I want to extract the rows where …

r filter dplyr

Accept only numbers and a dot in Java TextField

I've got one textField where I only accept numbers from the keyboard, but now I have to change it as …

java swing filter numbers textfield

Filter to show sub tasks of a filtered list of parent tasks

I have a JIRA filter which returns all the fixes in a future release: project = MyProject AND fixVersion = "1.1.1" and issuetype …

filter task jira

How to dynamically update a ListView on Android

On Android, how can I a ListView that filters based on user input, where the items shown are updated dynamically …

android listview filter android-widget

Removing undefined values from Array

In certain situations, it may happen that we have undefined or generally falsy values in Array structures. For instance when …

javascript arrays filter

Django filter queryset __in for *every* item in list

Let's say I have the following models class Photo(models.Model): tags = models.ManyToManyField(Tag) class Tag(models.Model): name = …

python django filter django-queryset

str_replace in Twig

I want to do a simple str_replace in my twig template. I'm new to twig and probably I need …

php filter str-replace twig

Angular 2 pipe that transforms JSON object to pretty-printed JSON

Trying to write an Angular 2 pipe that will take a JSON object string and return it pretty-printed/formatted to display …

javascript json filter angular pipe

Implementing Gaussian Blur - How to calculate convolution matrix (kernel)

My question is very close to this question: How do I gaussian blur an image without using any in-built gaussian …

c++ matlab filter blur gaussian

How to filter an array by a condition

I have an array like this: array("a" => 2, "b" => 4, "c" => 2, "d" => 5, "e" => 6, "f" => 2) Now …

php arrays filter higher-order-functions