[Solved] Run java function in thread

[ad_1] As a partial solution for the functions / methods (if they don’t need arguments) you can use Threads or an ExecutorService and method references. If you need arguments you will have to write lambda expressions – see the method t3 and it’s start for an example. public class Test { public void t1() { … Read more

[Solved] Populate an input with the contents of a custom option (data-) attribute

[ad_1] If you’re using jQuery then use this: $(‘#sensor’).change(function() { $(‘#sensorText’).val( $(this).find(‘option:selected’).data(‘foo’) ) }) $(‘#sensor’).change(function() { $(‘#sensorText’).val( $(this).find(‘option:selected’).data(‘foo’) ) }) <script src=”https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js”></script> <form id=”example” name=”example”> <select id=”sensor”> <option value=”Jval” data-foo=”Jfoo”>Joption</option> <option value=”Kval” data-foo=”Kfoo”>Koption</option> </select> <br /> <input type=”text” value=”” id=”sensorText” /> </form> 1 [ad_2] solved Populate an input with the contents of a custom option … Read more

[Solved] Error SSL/TLS connection in MQTT with mosquitto broker

[ad_1] I just solved the issue.The problem was that mosquitto was not capable of reading the files not because of permission issues but because of the filepaths. So the thing was that when defining the filepaths in the mosquitto.conf I had to use: cafile /etc/mosquitto/ca_certificates/ca.crt certfile /etc/mosquitto/certs/server.crt keyfile /etc/mosquitto/certs/server.key Instead of: cafile c:\etc\mosquitto\ca_certificates\ca.crt certfile c:\etc\mosquitto\certs\server.crt … Read more

[Solved] hashes — Seem like mutant potatoes [closed]

[ad_1] There’s a wealth of information out there, http://ruby-doc.org/core-2.3.0/Hash.html for example is pretty clear on what hashes are. You need to get your head around some of the basics, there are plenty of tutorials out there, https://www.railstutorial.org/ is one that comes up often, http://guides.rubyonrails.org/getting_started.html is the most obvious place to start. 2 [ad_2] solved hashes … Read more

[Solved] Array from a file

[ad_1] Quotes fix everything: while read line do IFS=’:’ read -ra ADDR <<< “$line” echo ${ADDR[0]} echo ${ADDR[1]} done < file.txt Quoting the variable “$line” is what made the difference. If you’re not getting the line with “C:c”, it’s probably because your file is missing a final newline. [ad_2] solved Array from a file

[Solved] What is the appropriate machine learning algorithm for a restaurant’s sales prediction? [closed]

[ad_1] Pretty general question, requiring more than a stack overflow response. The first thing I’d consider is setting up a predictive algorithm like the linear regression you spoke of. You can also add a constant to it, as in mx+b where the B is the known quantity of food for reservations. So you would run … Read more

[Solved] Vlookup all the values matching the search term instead of just one.

[ad_1] With Google Sheets use Query: =QUERY(A:A,”select A where A contains “”” & B3 &””””) Since you have the Excel tag use this formula for excel: =IFERROR(INDEX(A:A,AGGREGATE(15,6,ROW($A$2:INDEX(A:A,MATCH(“ZZZ”,A:A)))/(ISNUMBER(SEARCH($B$3,$A$2:INDEX(A:A,MATCH(“ZZZ”,A:A))))),ROW(1:1))),””) Copy/drag it down sufficient for your needs. 5 [ad_2] solved Vlookup all the values matching the search term instead of just one.

[Solved] How to setup NodeJS server and use NodeJS like a pro [closed]

[ad_1] NodeJS is JS runtime built on Chrome V8 JavaScript engine. NodeJS uses event-driven, non-blocking I/O model – that makes it lightweight and efficient. NodeJS has a package system, called npm – it’s a largest ecosystem of open source libraries in the world. Current stable NodeJS version is v4.0.0 – it’s included new version of … Read more

[Solved] How to grab the value of the span element using jQuery

[ad_1] Is “ctl00_lblTotalValue” the id you assigned to the span or is it a server-side control getting its ID auto-assigned by the environment? For example, if I have this code in my .NET aspx page <div id=”pnlHeader” runat=”server”></div> it gets rendered in the html page as <div id=”ctl00_pnlHeader”></div> If that is the case, I need … Read more

[Solved] how do I resolve ‘not all code paths return data’?

[ad_1] Since you are not returning a DataSet, set your method return to void private void getData(HiddenField sDate, HiddenField eDate) // < — return void { jQueryUICalendar1.Text = sDate.Value; jQueryUICalendar2.Text = eDate.Value; } Either that, or just return a DataSet private DataSet getData(HiddenField sDate, HiddenField eDate) { jQueryUICalendar1.Text = sDate.Value; jQueryUICalendar2.Text = eDate.Value; DataSet myReturn … Read more

[Solved] Product method in c#

[ad_1] Assuming you mean itertools.product (it looks like it from the example given): public static List< Tuple<T, T> > Product<T>(List<T> a, List<T> b) where T : struct { List<Tuple<T, T>> result = new List<Tuple<T, T>>(); foreach(T t1 in a) { foreach(T t2 in b) result.Add(Tuple.Create<T, T>(t1, t2)); } return result; } n.b. struct here means … Read more