[Solved] Java class without main method will run?

Q1. can we compile this java class? Note we don’t have a main method in this class. Yes, that class should compile. There’s no requirement that says you need a main method in every class for it to compile. (Most of your classes won’t have their own main method.) Q2. Is there any way we … Read more

[Solved] Change text-color on div :hover [closed]

.your-div-class:hover, .your-div-class:focus { color: #fff; } side note: check in your code that .your-div-class or any class associated to its inner text hasn’t a color assigned with !important, in that case either remove the !important or assign it to the hover too. EDIT: try this: .schedule-layout2 .schedule-nav li:hover .day-number { color: #fff !important; } .schedule-layout2 … Read more

[Solved] Error When using a Macro in C++ to validate an IP

If you really want to implement this as a macro then you need to remove the return from inside the macro. You can’t assign the “result” of your macro to a variable as it is not a single statement. #include <cstdio> #define IPV4_ZEROVAL_CHECK(ip, result) {int d1,d2,d3,d4; result = (4 == sscanf(ip, “%d.%d.%d.%d”, &d1, &d2, &d3, … Read more

[Solved] Member name same as class name [closed]

You don’t have to make the member names match the SQL column names. If you’re using some kind of ORM, there’s almost always a way to specify the mapping explicitly. For ADO.Net, obviously you’re free to use the names as appropriate. I’d rename the member NoteText. I’d also consider applying the same change in SQL, … Read more

[Solved] Very complicated SQL query

You can do aggregation with coalesce() : select event_id, coalesce(max(case when state=”FAILED” then ‘FAILED’ end), max(case when state=”COMPLETED” then ‘COMPLETED’ end), ‘PENDING’ ) from table t group by event_id; solved Very complicated SQL query

[Solved] Need a currency converter in a Laravel website [closed]

There are multiple of packages available : Best one :moneyphp/money Alternatives : Torann/laravel-currency akaunting/money However, you can actually find these and some more on your own. If you do not find these from google search, packagist can be the place to search for a package using keyword like money, currency in this case and you … Read more

[Solved] button.setOnClickListener not working

Just set onClick in the XML, it’s much easier. android:onClick=”whatever” Then in your class, public void whatever(View v) { // Do your stuff } You do not need all this: button.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { image.setImageResource(R.drawable.player_pause); } }); 1 solved button.setOnClickListener not working

[Solved] PDO states I am missing tokens, But I am not – what’s wrong with this [closed]

You are setting the query before you add the filter to the query string. // Get the results from the query $query->setQuery($sqlSelect) ->setParameter(‘startMonth’, $startMonth) ->setParameter(‘endMonth’, $endMonth); if (!empty($filter)) { $sqlSelect .= ‘AND LOG.VALUE LIKE :filter ‘; $query->setParameter(‘filter’, ‘%’.$filter.’%’); } You are setting the query to $sqlSelect and aftwards appending the filter part after setting the … Read more

[Solved] C++ Probllem with output [closed]

You should be able to just use string concatenation with +. mfile.open ( accname + “.txt”); If you are not on c++ 11, then you probably need a C-style string. mfile.open ( (accname + “.txt”).c_str()); 5 solved C++ Probllem with output [closed]