Something like this should return the specified resultset: SELECT u.id AS user_id , u.user_name , SUM(a.user_id IS NOT NULL) AS total_count_of_articles FROM users u LEFT JOIN users_articles a ON a.user_id = u.id GROUP BY u.id, u.user_name ORDER BY total_count_of_articles DESC 2 solved Slightly Complicated SQL query
both are <div id=”one”> Note the all the h1, h2 and blockquote nodes are childs of this one. $dom->getElementById(0); would return the first element. $dom->getElementById(1); would return the second (if it existed) id is the name of an attribute in this tag <div id=”one”> Do not understand the question. what do you mean by single … Read more
AbstractClass does not have a default constructor. It’s only constructor takes one argument. Therefore class test must also have a constructor which calls super and passes a int. solved Abstract class input for start [closed]
To replace a backslash you have to escape it with another backslash. So in your example to replace \\ you have to escape each of them with backslash, so you can try this $replaced = str_replace(‘\\\\’, ‘\\’, $str1); solved How can I replace a blackslash character? [duplicate]
Maybe a good idea. It’s harder to recognize, for someone which is looking to your keyboard, while you typing in your password. I’ve tried it under Debian and it was no problem. For example we want a user with the password End Of Text or in other words CTRL + C. I did this with … Read more
The simplest way is just to call it in a loop: x = zeros(1,100); for i = 1:100 x(i) = my_func(); end And then: hist(x) solved How to generate samples from a random number generator in matlab? [closed]
Maybe you need to learn File I/O with C++. Basically you include <fstream> and create instances of fstream (for I/O), ifstream (for input only) or ofstream (for output only). Then you open a file and use the object as you usually do with cin/cout. Here‘s a Google search. The first page contains a lot of … Read more
var max_1_row = -1; var row_num = -1 var max_1_col = -1; var col_num = -1 for (var i = 0; i < rows; i++) { var max_1_in_row = 0; var max_1_in_row_seq = 0; var max_1_in_col = 0; var max_1_in_col_seq = 0; for (var j = 0; j < cols; j++) { if (arr[i][j] == … Read more
Use findIndex var idToSearch = “1”; var index = people.findIndex( s => s.id == idToSearch ); solved Find where item is in JSON array by given value
You can add the following to css: tr { border: 1px solid black; } th { border: 0; width: 100px; text-align: left; } Here is the snippet: tr { border: 1px solid black; } th { border: 0; width: 100px; text-align: left; } <table border=1px solid; style=”border-collapse:collapse;” RULES=COLS> <tr> <th>Duration </th> <th>Topic</th> </tr> <tr> <td>10 … Read more
To restore path: Store additional n-sized array, say, prev[n], prev[0]=-1. If your dp decides for i’th step that you came from i-1, (i.e. dp[i – 1] + abs(v[i] – v[i – 1]) was larger than dp[i – 2] + 3 * abs(v[i] – v[i – 2])), then prev[i]=i – 1, otherwise prev[i]=i – 2. Then … Read more
Here is my simplest C++ implementation for heap. The code is well-commented. /* Usage: heap Heap; Heap.clear(); Heap.insert(value); Heap.remove(); Heap.print(); */ struct heap { int myarray[NN+1]; // myarray to store the numbers as heap, 1 indexed int n; // the number of nodes in my array heap() { // constructor clear(); // we clear the … Read more
findstr /m /R “[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]” *.txt will list those files see findstr /? from the prompt. 1 solved Is there a way to find the length of a string in Batch/PowerShell Script/VBScript? [closed]
Upload the updated APK file to a server, along with a “Version.txt” file and follow the sample below: /* * Code Prepared by **Muhammad Mubashir**. * Analyst Software Engineer. Email Id : [email protected] Skype Id : muhammad.mubashir.ansari Code: **August, 2011.** Description: **Get Updates(means New .Apk File) from IIS Server and Download it on Device SD … Read more
You could use regular expressions, e.g: class Program { static void Main(string[] args) { var input = ” SUCCESS Post Policy Success INVOICE No. :: WS1704003404 || Policy No :: 59203313 || App No. :: 123456724 “; var pattern = @”::\s*(\w+)\s*”; var matches = Regex.Matches(input, pattern); foreach (Match match in matches) Console.WriteLine(match.Groups[1].Value); } } 1 … Read more