[Solved] Attach to click event outside page

[ad_1] What you’re executing is a function, at the very beginning: $(‘#btnHello’).click(function () { alert(‘Hi there’); }); You’re hooking up your alert function to the element #btnHello. But at the time it executes, #btnHello hasn’t been loaded. It doesn’t exist yet. So nothing gets hooked up. You can get around this either by executing your … Read more

[Solved] How to order ascending the variables a , b , c?

[ad_1] My favourite way; hopefully self-explanatory if (a > c) std::swap(a, c); if (a > b) std::swap(a, b); if (b > c) std::swap(b, c); Don’t forget to pass the parameters to Crescator by reference if you want to make them sorted in the caller. [ad_2] solved How to order ascending the variables a , b … Read more

[Solved] PHP SQL / Duplicate entries

[ad_1] Create a unique index on Col A and Col B: MySQL: ALTER TABLE `mytable` ADD UNIQUE `unique_index`(`ColA`, `ColB`); ANSI SQL example: ALTER TABLE mytable ADD CONSTRAINT unique_index UNIQUE (ColA,ColB); 2 [ad_2] solved PHP SQL / Duplicate entries

[Solved] Ruby on rails tutorial – integration test – valid/invalid user info sign failing – user_param issue?

[ad_1] I think you should remove params key before user parameters, e.g.: test “invalid signup information” do get signup_path assert_no_difference ‘User.count’ do post users_path, user: { name: “”, email: “user@invalid”, password: “foo”, password_confirmation: “bar” } end assert_template ‘users/new’ assert_select ‘div#error_explanation’ assert_select ‘div.field_with_errors’ end Also you can debug received parameters in controller with pry: add gem … Read more

[Solved] Python Creating Classes Code

[ad_1] = is an assignment statement, you appear to be confusing this with a ==, the equality comparison operator. The statements are entirely different: self.name = name assigns the value referenced by the local variable name to the attribute name on the object referenced by self. It sets an attribute on the newly created instance, … Read more

[Solved] Which has better performance? A std::array or C array? [closed]

[ad_1] The answer is “it depends”, or perhaps better put as “nobody knows”, as this type of question is always tightly coupled with compiler optimisations, processor architecture and many other factors. I would also like to point out that if you find one better on one system, it may not reflect that it’s better in … Read more