[Solved] PHP Why does this work? [duplicate]

[ad_1] <?=?> is a Short Tag for echo(); According to PHP Outputs all parameters. echo is not actually a function (it is a language construct), so you are not required to use parentheses with it. echo (unlike some other language constructs) does not behave like a function, so it cannot always be used in the … Read more

[Solved] Why need new operator in java but not in c++

[ad_1] C++ and Java have similar syntax but not always means the same. In Java all objects are references, so when you’re doing Classname obj; you’re creating a empty reference to an object, so you need to assign something to it. Classname obj; //here obj is pointing to nothing. obj = new Classname(); //here obj … Read more

[Solved] Removing unwanted key/value pair in php array? [closed]

[ad_1] check this, use is is_numeric to check number or string. $data = array(“0″=>”1″,”id”=>”1″,”1″=>”mani”,”name”=>”mani”,”2″=>”ssss”,”lname”=>”ssss”); foreach ($data as $key => $val) { if(!is_numeric($key)) { $new_array[$key] = $val; } } print_r($new_array); OUTPUT : Array ( [id] => 1 [name] => mani [lname] => ssss ) DEMO 1 [ad_2] solved Removing unwanted key/value pair in php array? [closed]

[Solved] How to refactor frontend JS to Angular 2 to play nicely with PHP MVC backend? [closed]

[ad_1] Even tho you’re getting downvotes, let me help you to start a BIG journey if you’re willing to really do that. First, if your views are generated on the backend : “The most part of the HTML is rendered in the PHP backend.” According to that sentence, I imagine that you don’t have a … Read more

[Solved] C# 2D arrays calendar day in the month

[ad_1] using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace calenderMonth1 { class Program { int[][] months; int day; static void Main(string[] args) { Program calendar = new Program(); calendar.Months(); calendar.ColRow(); calender.DisplayMonth(); } public void Display(int itr) { for (int i = 0; i < itr; i ++) { Console.WriteLine(); } } public … Read more

[Solved] Search for a value within an object in javascript [closed]

[ad_1] rules = [] rules[0] = { word:”house”} rules[1] = { word:”shoes”} rules[2] = { word:”tools”} rules[3] = { sentence:”horse”} rules.forEach(rule => { if (rule.word) { console.log(‘Exist. Value:’, rule.word) } else { console.log(‘Doesn\’t Exist.’) } }) Hope this helps! [ad_2] solved Search for a value within an object in javascript [closed]

[Solved] Sql If statement error

[ad_1] I think you need: CREATE OR REPLACE TRIGGER CREAT_SERVIÇO BEFORE INSERT ON SERVIÇO FOR EACH ROW BEGIN if(:new.MORADA_RUA is NULL and :NEW.LOCAIS_ID_LOCAL is NULL) THEN RAISE_APPLICATION_ERROR(-20000, ‘YOU HAVE TO HAVE AN ADRESS OR AN LOCAL’); END IF; END; If your trigger is going do disallow inserting when both address and local are null. But … Read more

[Solved] how to evaluate an equation with python [closed]

[ad_1] You can loop over values like this: for x in [-60.0, -45.0, -30.0]: # etc; notice how the .0 specifies a float print(‘D({0}) = {1}’.format(x, A*math.cos(x)**2+B*math.sin(x)+C)) If you intend for the output to be machine-readable, maybe change the format string to something like ‘{0},{1}’ for simple CSV output. Just print will print nothing (well, … Read more