Month: October 2022

[Solved] Array from a file

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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. solved Array from a file

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

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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 linear … Read more

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

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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 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]

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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 V8 … Read more

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

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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 to … Read more

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

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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#

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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 that … Read more

[Solved] How to layout images in 3 columns [closed]

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You can use CSS Flexbox. CSS #container-outer { display: flex; } .container-inner { display: flex; flex-direction: column; } HTML <div id=”container-outer”> <img src=”http://dummyimage.com/600×400/666″ height=”300″ width=”200″> <div class=”container-inner”> <img src=”http://dummyimage.com/600×400/333″ height=”150″ width=”100″> <img src=”http://dummyimage.com/600×400/f2f” height=”150″ width=”100″> </div> <div class=”container-inner”> <img src=”http://dummyimage.com/600×400/ee3″ height=”150″ width=”100″> <img src=”http://dummyimage.com/600×400/532″ height=”150″ width=”100″> </div> </div><!– end #container-outer –> DEMO (image dimensions fixed): … Read more