Is it okay for a resolver to have side effects besides resolving the type?

Is it okay for a resolver to have side effects besides resolving the type?

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Is it okay for a resolver to have side effects besides resolving the type?
Tag : development , By : mtnmuncher
Date : January 11 2021, 03:32 PM

I wish this help you It depends on that resolver is resolving fields of what types.
If it is resolving the fields of the root mutation ,it must involve sides effects as mutation is supposed to modify server-side data. So it is okay to send an email in root mutation field 's resolver.

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XML Catalog Resolving / resolver.jar vs com.sun.org.apache.xml.internal.resolver

Tag : java , By : littlefuzz
Date : March 29 2020, 07:55 AM
this will help The com.sun.org.apache.xml packages are essentially copies of the Apache projects that have been "internalised" into the JRE. You'll find this done with many of the Apache XML projects, including Xerces and Xalan.
In 99% of cases, the internal one does just fine. The only reason to use the org.apache versions is if you need the very latest version, usually for a bugfix.

android:elevation only have shadow effects on the bottom side, how to make the shadow effects show on top side?

Tag : android , By : jaset
Date : March 29 2020, 07:55 AM
will help you There is a trick that can be used to display a shadow above a View.
Basically we have to use two nested Layouts, where the outer Layout casts the shadow with an elevation and the inner layout sets the background. Then by setting a padding to the outer Layout, we can shift the inner Layout down, without moving the shadow, thus more of the shadow becomes visible:


        <!-- content -->



Type traits to detect if a callable has side effects?

Tag : cpp , By : Kbotei
Date : March 29 2020, 07:55 AM
hop of those help? As stated, template using has_side_effects = std::true_type; solves most of your problem. Simply state that everything has side effects, and ship it. False positives, but no false negatives!
In general, non-trivial properties of an algorithm coded in a Turing-complete system cannot be computed. Doing so is equivalent to the halting problem. So the problem cannot be solved in general.
auto comparator = [](const auto& x, const auto& y){return y > x;};
bool result = std::has_side_effects<decltype(comparator)>::value;
struct evil {
  static int count() { static int r = 0; return ++r; }
  friend bool operator<( evil lhs, evil rhs ) { count(); return false; }

Resolving Union Type on different Resolver

Tag : javascript , By : Doc Immortal
Date : March 29 2020, 07:55 AM
To fix this issue You won't be able to know what type your Union resolves to inside your resolver for vehicles because the __resolveType field on Vehicle actually depends on the data it receives from that resolver.
It sounds like you want the client to be able to request the server to query the Person's cars, or his/her planes, or both, and then have the server act accordingly. This is typically done by passing an argument to the field, for example:
# type definitions
type Person {
  vehicles(type: VehicleType): [Vehicle!]

enum VehicleType {

vehicles(obj, { type }, context) {
  if (type === 'CAR') // fetch and return cars
  if (type === 'AIRPLANE') // fetch and return planes
  // otherwise fetch and return both
info.fieldNodes[0].selectionSet.selections.map(s => s.typeCondition.name.value)

Testing React Hooks side effects that depends on other side effects (or other tests)

Tag : reactjs , By : Hibame
Date : March 29 2020, 07:55 AM
wish helps you One thing you could do is replace the
with a
and add the onSubmit={e => apiRequest(value)} to it so the button can remain disabled and you can still move forward with your tests without introducing unnecessary external factors.
Also, move your function apiRequest() {...} outside of the component. It can take value as an argument instead of relying on the surrounding scope.
// You could even export this separately and make a test exclusively for this
// without also having to test the form itself
function apiRequest ( value ) {
    if (!value) {


function MyComponent() {
  const [ value, setValue ] = useState('')

  return (
    <form onSubmit={e => { e.preventDefault(); apiRequest(value); }}>
        <input onChange={e => setValue(e.target.value)} value={value} />
        <button disabled={!value}>
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