[Solved] Extracting a determined value from a list

You cannot perform a split directly on the list, you can only perform a split on a string (since the list is already split). So iterate over your list of strings and split each of them. I will shorten the code to make it more readable, just replace it with your list. strings = [‘nbresets:0,totalsec:14,lossevtec:0,lossevt:0’] … Read more

[Solved] What is the regex ?

Something like that? re = new RegExp(/\d{2}\/\d{2}\/\d{4}/); “21/02/2017”.match(re) /* [“21/02/2018”, index: 0, input: “21/02/2018”] */ “21/2/2017”.match(re) /* null */ solved What is the regex ?

[Solved] System.Data.OleDb.OleDbException: ‘Invalid SQL statement; expected ‘DELETE’, ‘INSERT’, ‘PROCEDURE’, ‘SELECT’, or ‘UPDATE’.’ in my Accounting Project

Typo of select in OleDbDataAdapter da = new OleDbDataAdapter(“Selct * from [Product]”, con); That should be like OleDbDataAdapter da = new OleDbDataAdapter(“Select * from [Product]”, con); 1 solved System.Data.OleDb.OleDbException: ‘Invalid SQL statement; expected ‘DELETE’, ‘INSERT’, ‘PROCEDURE’, ‘SELECT’, or ‘UPDATE’.’ in my Accounting Project

[Solved] To clear loaded images in a picturebox-c#

Your code has many issues. The one you are looking for is that you don’t clear the alist before loading new file names. So insert: alist.Clear(); before //Get Each files And also filelength = alist.Count; after the loop. No need to count while adding! Also note that ArrayList is pretty much depracated and you should … Read more

[Solved] Can someone explain what map and lambda does?

lambda -> created new function with parameters following it till : then follows function body map -> takes function and apply it to each element of collection and put returned value from such function into new collection Here you can read more on such a style of programming: https://docs.python.org/2.7/howto/functional.html 0 solved Can someone explain what … Read more

[Solved] Searching for an array key branch inside a larger array tree – PHP

I think (and you have confirmed) that you can represent your data as an XML structure. I this case, you can use XPath to find any branch in your data. Here is sample XML data inferred from your question: <?xml version=”1.0″ encoding=”utf-8″ ?> <stmt_echo> <subnodes> <exprs> <expr_constfetch> <subnodes> <name> <name> <subnodes> <parts> <part>true</part> <!– more … Read more

[Solved] why I have negative date by subtraction of two column?

@cᴏʟᴅsᴘᴇᴇᴅ explain it better: When two datetime objects are subtracted, the result is a timedelta. Depending on which date was larger, the result could be positive or negative. Also if all values in column have no times, in pandas are not shown. Patient[“Waiting”] = Patient[“Appointment”] – Patient[“Scheduled”] 2016-04-29 00:00:00 – 2016-04-29 18:38:08 For remove negative … Read more

[Solved] Relation between class A and class B

It’s just an nested class i.e. class within class. It’s similar to you defining field and passing value like say private String mystr = new String(str); So here you can access private field str and pass it onto String. Similarly you have defined non static class within the outer class which would access private/protected/public field … Read more

[Solved] merge two array with loop and key name

$arr1 = [ [ ‘_date’ => ‘2019-10-16′,’_number’ => 1,’_order’ => 1, ‘name’ => ‘jack’,’other_ids’ => [‘b_id’ => 1253] ], [‘_date’ => 2020-10-11,’_number’ => 2,’_order’ => 2, ‘name’ => ‘joey’,’other_ids’ => [‘b_id’ => 1433] ] ]; $arr2 = [ [ ‘date’ => ‘2019-10-16′,’number’ => ‘1’,’order’ => ‘1’, ‘name’ => ‘jack’,’last_name’ => ‘foobar’,’other_ids’ => [‘b_id’ => 1253] … Read more

[Solved] How to search an Array for a string

I got your problem. you need to declare the String[] hotel or String[] rooms as the global member. The scope of the String[] hotel would have been gone when the function execution is completed if you are using in another function or in main then it will be a different String array. So only you … Read more

[Solved] Searching in folder

Good one, but it is a more clear to use listFiles(FileFilter filter) public class MyFileFilter implements FileFilter { public boolean accept(File pathname) { if (pathname.isDirectory()) return false; else { String temp[] = pathname.getName().split(“.”); if (temp[1].equals(“a”)) return true; } } } solved Searching in folder