Microsoft Excel is a powerful spreadsheet that you can put values, strings, and even formulas in each cells. The following are four useful/important functions regarding to cells in Excel. …
RSS (Really Simple Syndication) is an old technique. It has of course the advantages: getting all information in once place, which is convenient. However, it is not so search-engine-user-friendly. …
Javascript does not provide isEmpty() method to check object if it is null/empty. However, it does provide a enumerator so we can test object if it at least has …
Windows OS is full of DLLs (Dynamic Link Library). Each DLL file has some APIs, which can be used whenever needed (avoid re-inventing the wheel). For example, the system …
Submit your SQL to Leetcode online judge: https://oj.leetcode.com/problems/rank-scores/ Write a SQL query to rank scores. If there is a tie between two scores, both should have the same ranking. …
In Visual Studio, you can use short-cut Ctrl+Shift+F to find string in files (in solution, current project or current document), and sometimes you are unlucky to get this error: …