Month: September 2022

[Solved] Why does the following code using Iterator next() and remove() throw ConcurrentModificationException? [duplicate]

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There is no problem with your usage of Iterator‘s next() and remove(). Your ConcurrentModificationException is caused by adding elements to the List after creating the Iterator. You should add elements to the List before the Iterator is created. Change: Iterator<Integer> iterator = list.iterator(); Collections.addAll(list, 1, 2, 3, 4, 5); to: Collections.addAll(list, 1, 2, 3, 4, … Read more

[Solved] How to set column conditionally in Excel?

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If you want the name in column E and the worked hours in column F then set E1 to =IF(B1>0,A1,””) and set F1 to =IF(B1>0,B1,””) If you want the name and worked hours both in column E then set E1 to =IF(B1>0,CONCATENATE(A1,” “,B1),””) and copy down the column. IF(condition, expression if true, expression if false) … Read more

[Solved] Ajax call Output into global variable

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function getJson(url) { return JSON.parse($.ajax({ type: ‘GET’, url: url, dataType: ‘json’, global: false, async:false, data: { filter:value }, success: function(data) { return data; } }).responseText); } Above piece of code solved my issues solved Ajax call Output into global variable

[Solved] Joining two SQL tables in Microsoft SQL server 2012 to get a certain format [closed]

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After re-reading your question, I think this is what you are looking for: SELECT e.Department_ID , e.Employee_Name AS Col1 , e.Total_Hours FROM Employee e UNION ALL SELECT d.Department_ID , d.Department_Name AS Col1 , SUM(e.Total_Hours) FROM Employee e JOIN Department d ON e.Department_ID = d.Department_ID GROUP BY d.Department_ID , d.Department_Name ORDER BY Department_ID ASC , Total_Hours … Read more

[Solved] How to remove jquery json popup? [closed]

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Reading the documentation for document.write() we find this: Writes a string of text to a document stream opened by document.open(). […]Writing to a document that has already loaded without calling document.open() will automatically perform a document.open call … and the documentation for document.open() says: The document.open() method opens a document for writing. […]If a document … Read more

[Solved] Why is rounding done like this? [closed]

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You should have a look at how floats are handled, and what limitations they have. https://docs.python.org/3/tutorial/floatingpoint.html is a Python specific explanation. In your particular example, Python chooses to use a representation that has a limited number of digits (depends on the Python version). Internally, different float values may share the same (rounded) representation. 0 solved … Read more

[Solved] What would be the most efficient way to find if a number n contains a specific number k?

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If finding a count of how many times a specific digit appears in a number is what you mean, than the complexity will be O(n) where n is the length of the string (number): char x = ‘7’; std::string number(“9876541231654810654984431”); int count = 0; for (size_t i = 0; i < number.size(); ++i) if (number[i] … Read more

[Solved] C# form press any key to continue [closed]

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The action you are looking for is the form’s KeyPress event, So you can handle KeyPress of your start screen form //you need to register the event handle to your form first.. //so the following line could be in your start screen form’s constructor this.KeyPress += new KeyPressEventHandler(Form1_KeyPress); //then you can open your new form … Read more