filter

How to text filter an Android ListView backed by a SimpleCursorAdapter?

For a SimpleCursorAdapter cursor, you only need to use the setFilterQueryProvider, to run another query for your cursor, based on the constraint: m_Adapter.setFilterQueryProvider(new FilterQueryProvider() { public Cursor runQuery(CharSequence constraint) { Log.d(LOG_TAG, “runQuery constraint:”+constraint); //uri, projection, and sortOrder might be the same as previous //but you might want a new selection, based on your filter content … Read more

Ninject Binding Attribute to Filter with Constructor Arguments

I have figured it out (thanks to Remo’s directions and documentation). Use the appropriate .WithConstructorArgument extension whether you are binding to a Controller or Action filter. For example binding my action filter looks like this: kernel.BindFilter<AuthorizationFilter>(FilterScope.Action, 0) .WhenActionMethodHas<RequireRolesAttribute>() .WithConstructorArgumentFromActionAttribute<RequireRolesAttribute>(“requiredRoles”, o => o.RequiredRoles); Once I understood the Func<> signature, it all became clear. The best way … Read more

Ruby: filter array by regex?

If you want to find all gifs: def get_all_gifs(files) files.select{ |i| i[/\.gif$/] } end If you want to find all jpegs: def get_all_jpgs(files) files.select{ |i| i[/\.jpe?g$/] } end Running them: files = %w[foo.gif bar.jpg foo.jpeg bar.gif] get_all_gifs(files) # => [“foo.gif”, “bar.gif”] get_all_jpgs(files) # => [“bar.jpg”, “foo.jpeg”] But wait! There’s more! What if you want to … Read more

In what order are filters executed in asp.net mvc

Filters run in the following order: Authorization filters Action filters Response filters Exception filters For example, authorization filters run first and exception filters run last. Within each filter type, the Order value specifies the run order. Within each filter type and order, the Scope enumeration value specifies the order for filters. This enumeration defines the … Read more

How to convert/transform a collection to another collection by element’s property?

it’s easy to do in Kotlin: // v— the variable type can be removed var nameMap: MutableList<String> = persons.map { it.name }.toMutableList(); IF you want an immutable List, it can simplify as below: // v— the variable type can be removed var nameMap: List<String> = persons.map { it.name }; OR using function reference expression instead: … Read more

Jquery how to find an Object by attribute in an Array

No need for jQuery. JavaScript arrays have a find method, so you can achieve that in one line: array.find((o) => { return o[propertyName] === propertyValue }) Example const purposeObjects = [ {purpose: “daily”}, {purpose: “weekly”}, {purpose: “monthly”} ]; purposeObjects.find((o) => { return o[“purpose”] === “weekly” }) // output -> {purpose: “weekly”} If you need IE … Read more

Why does foo = filter(…) return a , not a list? [duplicate]

Have a look at the python documentation for filter(function, iterable) (from here): Construct an iterator from those elements of iterable for which function returns true. So in order to get a list back you have to use list class: shesaid = list(filter(greetings(), [“hello”, “goodbye”])) But this probably isn’t what you wanted, because it tries to … Read more