Top "Filter" questions

A program or routine that blocks access to data that meet a particular criterion.

Remove rows with all or some NAs (missing values) in data.frame

I'd like to remove the lines in this data frame that: a) contain NAs across all columns. Below is my …

r dataframe filter missing-data r-faq
List comprehension vs. lambda + filter

I happened to find myself having a basic filtering need: I have a list and I have to filter it …

python list functional-programming filter lambda
What is the best way to filter a Java Collection?

I want to filter a java.util.Collection based on a predicate.

java collections filter
Filtering a data frame by values in a column

I am working with the dataset LearnBayes. For those that want to see the actual data: install.packages('LearnBayes') I …

r filter dataframe
Datetime in where clause

How can I select 12/20/2008 in where clause of sql? The server is SQL server 2005. select * from tblErrorLog where errorDate = '12/20/2008…

sql sql-server datetime sql-server-2005 filter
How to design RESTful search/filtering?

I'm currently designing and implementing a RESTful API in PHP. However, I have been unsuccessful implementing my initial design. GET /…

api search rest filter
Filter rows which contain a certain string

I have to filter a data frame using as criterion those row in which is contained the string RTB. I'm …

r filter dplyr
How do I filter an array with TypeScript in Angular 2?

ng-2 parent-child data inheritance has been a difficulty for me. What seems that could be a fine working practical solution …

arrays filter typescript angular
Filtering for empty or NULL names in a queryset

I have first_name, last_name & alias (optional) which I need to search for. So, I need a query …

django django-models django-queryset filter null
Filter object properties by key in ES6

Let's say I have an object: { item1: { key: 'sdfd', value:'sdfd' }, item2: { key: 'sdfd', value:'sdfd' }, item3: { key: 'sdfd', value:…

filter ecmascript-6