Month: September 2022

[Solved] Combobox show and hide ComboBox items in WPF

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[ad_1] Create a custom control such as: public class CrazyCombo : ComboBox { static CrazyCombo() { DefaultStyleKeyProperty.OverrideMetadata(typeof(CrazyCombo), new FrameworkPropertyMetadata(typeof(CrazyCombo))); } public int InitialDisplayItem { get { return (int)GetValue(InitialDisplayItemProperty); } set { SetValue(InitialDisplayItemProperty, value); } } // Using a DependencyProperty as the backing store for InitialDisplayItem. This enables animation, styling, binding, etc… public static readonly DependencyProperty … Read more

[Solved] What does “[&]” mean in C++?

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[ad_1] This statement uses a lambda expression. auto updateSlack = [&](const char slack_type, const double s) { if (slack_type == ‘e’) { wns.early_slack = min(s, wns.early_slack); tns.early_slack += s; } else if (slack_type == ‘l’) { wns.late_slack = min(s, wns.late_slack); tns.late_slack += s; } }; The compiler does two things. The first one is that … Read more

[Solved] Can we convert an EXE into a program which can be Auto-Installed without any Clicks or Commands just after download, or may be on System Restart [closed]

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[ad_1] Can we convert an EXE into a program which can be Auto-Installed without any Clicks or Commands just after download, or may be on System Restart [closed] [ad_2] solved Can we convert an EXE into a program which can be Auto-Installed without any Clicks or Commands just after download, or may be on System … Read more

[Solved] Counting changes in an array

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[ad_1] Below one is solution I believe. Sure there is more room to refactor it, you can start from here. a = [“red”, “orange”, “green”, “red”, “yellow”, “blue”, “green”] a.reject {|e| ![‘red’, ‘green’].include? e } .each_cons(2) .select{|e| e == [‘red’, ‘green’]} .size A more artistic version. def neither_red_nor_green e ![‘red’, ‘green’].include? e end def red_followed_by_green … Read more

[Solved] Can a function return more than one value in C? [duplicate]

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[ad_1] Function can return a single value . #include<stdio.h> int main () { int a=10,b=9; return a,b; } when your returning like that. here comma (,). operator will work. it will return the last value from the list. [ad_2] solved Can a function return more than one value in C? [duplicate]

[Solved] Google Maps – markers from database displaying information from the last row only

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[ad_1] You only have one infowindow, when you open it, it displays the last content you gave it. Change your click listener from: google.maps.event.addListener(marker, ‘click’, function() { infowindow.open(map,marker); }); To (set the new content before you open it): google.maps.event.addListener(marker, ‘click’, function() { //set the content of infoWindow infowindow.setContent(eventContent[0]); infowindow.open(map,marker); }); working fiddle code snippet: var … Read more

[Solved] -[__NSArrayI length]: unrecognized selector sent to instance 0x7f1e9f90

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[ad_1] From the NSLog it seems like your array contains another array in it and that inside array has the elements that you want to show in your tableview. So change: cell.phoneLbl.text = [array6 objectAtIndex:indexPath.row]; to: cell.phoneLbl.text = array6[0][indexPath.row]; 4 [ad_2] solved -[__NSArrayI length]: unrecognized selector sent to instance 0x7f1e9f90