The solution has been posted at https://github.com/certbot/certbot/issues/5424#issuecomment-372126909: restarting dovecot holds stderr open, this blocks python. Changing the script in the following way solved my problem: #!/bin/sh service dovecot restart 2>/dev/null solved Certbot renewal hook won’t finish [closed]
Introduction This article provides a solution to the problem of Certbot renewal hook not finishing. Certbot is a tool used to automate the process of obtaining and renewing SSL/TLS certificates from the Let’s Encrypt Certificate Authority. It is a popular choice for webmasters and system administrators who need to secure their websites and services. Unfortunately, … Read more
You can try this one : s = “H!i I am f.rom G3?ermany” l = [] for i in s.split(): k = [j for j in i if j.isalpha()] for m in i: if not m.isalpha(): k.append(m) l.append(”.join(k)) print(‘ ‘.join(l)) It will o/p like : “Hi! I am from. Germany3? In python 2x you can … Read more
Instead of ch = Convert.ToChar(Console.ReadKey()); You should put it as ch = Console.ReadKey().KeyChar; Since ConsoleKeyInfo instance which is returned by Console.ReadKey() can’t be just converted into char 4 solved Throwing an exception at line16 [closed]
To match numbers preceded by # use (?<=#)\d+ (positive lookbehind for #, then a non-empty sequence of digits). To match numbers not preceded by # use (?<!\d|#)\d+ (negative lookbehind). This time however the “forbidden” preceding char is either a # or a digit. Of course, use both patterns with g (global) option. If you want … Read more
Can anyone explain why address operator is returning string and not the address in the following C++ program? [closed] solved Can anyone explain why address operator is returning string and not the address in the following C++ program? [closed]
I won’t attempt to wade through the whole paper, but I can explain the syntax and make some educated guesses about what’s going on. #define IX(i,j) ((i)+(N+2)*(j)) This looks to me like they’re transforming two-dimensional coordinates i,j into a one-dimensional array index. j is the row number and i is the column number, which jibes … Read more
That is a shortcut for: cv::Mat_<double> myMat_(3, 3); myMat_.at(0, 0) = 1.0; myMat_.at(0, 1) = 2.0; myMat_.at(0, 2) = 3.0; myMat_.at(1, 0) = 4.0; myMat_.at(1, 1) = 5.0; myMat_.at(1, 2) = 6.0; myMat_.at(2, 0) = 7.0; myMat_.at(2, 1) = 8.0; myMat_.at(2, 2) = 9.0; The << and the , operators are overloaded to implement that … Read more
This is really pretty basic: for (var i = 0; i < x; ++i) console.log(i); (Use <= if you want to include the value of x in the output.) 1 solved Get number from one to x in a loop?
Out of Curiosity i just tried MartinWebb’s answer. I hope it might give you a start. Page # 1: <button type=”button” onclick=”hello()”>Hello</button> <script type=”text/javascript”> // window.localStorage.removeItem(“text”); function hello() { window.localStorage.setItem(“text”,”Hello there..”); } </script> Page # 2: <p id=”show”></p> <script type=”text/javascript”> window.addEventListener(‘storage’, storage_event_listener, false); function storage_event_listener(evt) { document.getElementById(“show”).innerText = evt.newValue; // console.log(evt); } </script> You can … Read more
First of all set the Label lblDraw as In frmStats form public string strNumber { get { return lblDraw.Text; } set { lblDraw.Text = value; } } Form1 if (winner != 0) this.Text = String.Format(“Player {0} Wins!”, winner); else if (winner == 0 && turnCounter == 9) { this.Text = “Draw!”; //this is where i … Read more
Simply activate offline persistens as specified in the official documentation: Firebase applications work even if your app temporarily loses its network connection. You can enable disk persistence with just one line of code: FirebaseDatabase.getInstance().setPersistenceEnabled(true); solved How can i make the app work offline with Firebase database
You have to initialize your variables BEFORE echoing them in your JavaScript function. So place the PHP that loads these variables above your <script> 8 solved Can’t get PHP variables in the JS script when setting Highcharts head tag [closed]
Introduction Highcharts is a powerful JavaScript library used to create interactive charts and graphs. It is widely used in web applications to visualize data in an easy-to-understand format. However, when setting Highcharts head tag, it can be difficult to get PHP variables in the JS script. This article will discuss how to solve this issue … Read more
Here is the problem, void readStructs(tMystruct *theVar) { scanf(“%d”,theVar.id); //<——problem scanf(“%f”,theVar.length); //<——problem } You should access Structure pointer member using -> operator and also you’re missing & that will eventually cause a segmentation fault. Here is the modified code, void readStructs(tMystruct *theVar) { scanf(“%d”,&theVar->id); scanf(“%f”,&theVar->length); } solved How to pass structure by reference in C?