[Solved] Ruby: call initialize method before others in class [closed]

initialize is an instance method in this class, so the def initialize is just setting up the constructor for the class. call.. is calling the class’s call method at the time the class definition is parsed. This code is equivalent to class Lol < Redstone def initialize super 2013 end end Lol.call “https://stackoverflow.com/” do |headers| … Read more

[Solved] Check value for 2 second

This might be superfluous, I like using DispatcherTimer. This will tick every 2 seconds to look for a change: private DispatcherTimer _checkNumberTimer = null; private int _myNumber = int.MinValue; private int _lastValue = int.MaxValue; public Constructor1(){ _checkNumberTimer = new DispatcherTimer(); _checkNumberTimer.Tick += new System.EventHandler(HandleCheckNumberTick); _checkNumberTimer.Interval = new TimeSpan(0, 0, 0, 2); //Timespan of 2 seconds … Read more

[Solved] Save textbox as variable without submitting [closed]

PHP is the sever-side programming language while JavaScript (jQuery) runs on the client-side. we can use PHP to write JS, but JS can’t affect PHP (except via AJAX or similar). What you can do is use SESSION here is sample code. Js Code $(“#varenummer”).change(function(e) { e.preventDefault(); var data_posts = $(this).val(); // Send Ajax request to … Read more

[Solved] Data sharing between java web application and Mainframes

Create web services in your java application that expose the data the Mainframe wants from the Oracle database. It will then be up to the Mainframe development group to choose the language and framework that best fits their environment to call the web services. Since Mainframe systems are heavily customized you need to discuss requirements … Read more

[Solved] Display other field onchange

Try this HTML <select id=”cboCountry”> <option value=”USA”>USA</option> <option value=”OTHERS”>OTHERS</option> </select> <select id=”cboState” name=”cboState”> <option value=”Alabama”>Alabama</option> </select> <input type=”text” id=”txtcboState” name=”cboState” style=”display:none;”/> JS $(“#cboCountry”).change(function() { if ( $(this).val() == “OTHERS”) { $(“#cboState”).hide(); $(“#txtcboState”).show(); } else{ $(“#cboState”).show(); $(“#txtcboState”).hide(); } }); Note: ID Must be unique for each element. To remove The name attribute of input, you can … Read more

[Solved] How to read pdf file in my Android application [duplicate]

No.Without third party you cant use it. If you force to use it, then images or some unicode text type wont visible.So you want to go for OCR tool or use set of libraries and sdk for pdf. Libraries and sdk. This might help you http://www.qoppa.com/android/pdfsdk/ http://code.google.com/p/droidreader/ solved How to read pdf file in my … Read more

[Solved] Writing a function that calculates sine for inputted number of terms. MATLAB [closed]

found the answer myself.. note that there is a difference between sinx and sin(x) function [sinx, error] = sinx_approx(x) % approximates the value of sin(x), the approximation is more accurate as % the number of terms selected is increased. n= input(‘Up to how many terms would you like to evaluate?’); sinx=0; for i=1:1:n sinx=(-1)^(i+1) * … Read more

[Solved] Method error – missing return statement in Java

public boolean insertNode returns a boolean. If you want to do something in a function without returning anything, just replace public void insertNode Return value is SUPER important in all programming languages. Get used to always put the correct return value of a function (If you precised it on the function’s prototype). In your case, … Read more