core

[Solved] how to get substring items with in arraylist in java

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[ad_1] you have two approaches: ArrayList<String> ar = new ArrayList(); ar.add(“UserId”); //adding item to arraylist ar.add(“Directory”); ar.add(“Username”); ar.add(“PhoneNumber”); // approach one using iteration for (Iterator<String> it = ar.iterator(); it.hasNext(); ) { String f = it.next(); if (f.equals(“UserId”)) System.out.println(“UserId found”); } // approach two using a colletion which supports fetching element by key Map<String,String> myMap=new HashMap<>(); … Read more

[Solved] Is it possible to run java program without class?

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[ad_1] In Java 9 you have REPL which allows you to write code by typing code fragments. However, even though you don’t have to write all the code for a class the code is wrapped in a class in reality. 0 [ad_2] solved Is it possible to run java program without class?

[Solved] Modifying WordPress core files

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[ad_1] If you must hack core, consider doing so in a way that makes it extensible for others. Add an Action Hook Nine times out of ten, you could do what it is you wanted if only there was an extra do_action call in a specific file. In that case, add the action, document it, … Read more

[Solved] Clarification on filters and hooks

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[ad_1] I am confused because add_filter uses the word add when I feel like it is more on the lines of replace or overwrite (unless I am misunderstanding) You are misunderstanding. Both add_action and add_filter insert function callbacks into a kind of queue. You can add many callbacks to the same hook and they will … Read more