Cleanest way to merge objects

Cleanest way to merge objects

By : adevms
Date : November 22 2020, 10:48 AM
this will help Based on what you've explained in the question and comments, what we are trying to accomplish is selection of the object in myArray where the options does not contain null. In this case, we do not need to perform a merge, we can just search the array for the desired object.
code :
var newResults = _.find(myArray, function (obj) {
    return !_.contains(obj.options, null);

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Cleanest format for writing javascript objects

Cleanest format for writing javascript objects

By : Denise Jusino
Date : March 29 2020, 07:55 AM
should help you out What is the cleanest format for writing javascript objects? , The module pattern may help you out here:
code :
 var Namespace1 = Namespace1 || {};
    Namespace1.Namespace2 = Namespace1.Namespace2 || {};

    Namespace1.Namespace2.Class1 = function(param1, param2) {
        // define private instance variables and their getters and setters
        var privateParam = param1;
        this.getPrivateParam = function() { return privateParam; }
        this.publicParam1 = param2;

        return {
            init: function() {
                alert('hi from Class1');
    } ();
Cleanest way to merge two same-shape arrays in Numpy

Cleanest way to merge two same-shape arrays in Numpy

By : Peanutashaa
Date : March 29 2020, 07:55 AM
I wish did fix the issue. It's just output = first + second + third or np.sum([first, second, third], axis=0).
What's the cleanest way to fix a faulty git merge

What's the cleanest way to fix a faulty git merge

By : Burak Eminaga
Date : March 29 2020, 07:55 AM
should help you out The sooner you catch and fix a mistake like this, the better. The problem is greatly complicated once the faulty merge has been pushed; and moreso once new work is based on the faulty merge.
In case you realize a merge is bad before pushing it, you can simply
code :
git reset --hard HEAD^
git revert -m1 id-of-merge-commit
git checkout M^2
git checkout -b temp-branch
git rebase -f `git merge-base M^ HEAD``
git checkout master
git merge temp-branch
# careful this time
git branch -D temp-branch
Cleanest pattern for filtering objects of unknown type?

Cleanest pattern for filtering objects of unknown type?

By : user3184458
Date : March 29 2020, 07:55 AM
may help you . This became much cleaner with generics. Since I know what type of Object each filter can handle I can just do this, eliminating the casting:
code :
public class MessageTypeOne {

    public int someField;

public class MessageTypeTwo {

    public int otherField;

public interface MessageFilter<T> {

    boolean doesFilterPass(T message);

public class OneOfMyMessageFilters<T extends MessageTypeOne> implements MessageFilter<T> {

    public boolean doesFilterPass(MessageTypeOne message) {
        if (message.someField == something) {
            return false;
        } else return true;

public class AnotherOneOfMyMessageFilters<T extends MessageTypeTwo> implements MessageFilter<T> {

    public boolean doesFilterPass(MessageTypeTwo message) {
        if (message.otherField == something) {
            return false;
        } else return true;

public class MessageFilterServiceImpl<T> implements MessageFilterService<T> {

    // injected at runtime via Spring profile
    private Set<MessageFilter<T>> messageFilters

    public MessageFilterService(Set<MessageFilter<T>> messageFilters) {
        this.messageFilters = messageFilters;

    public boolean passesAllFilters(T message) throws IOException {
        for (MessageFilter filter : messageFilters) {
            if (!filter.doesFilterPass(message)) {
                return false;

        return true;

public interface MessageFilterService<T> {

    boolean passesAllFilters(T rawEvent) throws IllegalArgumentException;
Cleanest safest way to modifying objects/external variables with GCD

Cleanest safest way to modifying objects/external variables with GCD

By : Sal
Date : March 29 2020, 07:55 AM
I hope this helps you . The Apple recommendation is related to modifying the contents of a variable. If you are instead modifying an object referenced by a variable (self.prop in your case) then the question is the same with or without GCD - how do you write a property/method so that it is thread safe?
There are multiple answers to that (@synchronized { }, dispatch_semaphore_X(), NSLock, ...), research ensuring thread safety and find which meets your needs.
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