iFrame onload JavaScript event : SOLUTION 1 : Use the iFrame’s .onload function of JavaScript: SOLUTION 2 : Your code is correct. Just test to ensure it is being called like: SOLUTION 3 : SOLUTION 4 : Update As of jQuery 3.0, the new syntax is just .on: see this answer here and the code:
TypeError: Converting circular structure to JSON in nodejs : SOLUTION 1 : JSON doesn’t accept circular objects – objects which reference themselves. JSON.stringify() will throw an error if it comes across one of these. The request (req) object is circular by nature – Node does that. In this case, because you just need to log it to … Read more
VSCode cannot find module ‘@angular/core’ or any other modules : SOLUTION 1 : I uninstalled all extension I had already installed, and it turns out JavaScript and TypeScript IntelliSense extension from below address caused the issue. https://marketplace.visualstudio.com/items?itemName=sourcegraph.javascript-typescript the point here is when you visit the website you see there is a yellow label, telling you it … Read more
gpg: no valid OpenPGP data found : SOLUTION 1 : I also got the same error. I’ve referred to the below mentioned link and ran this commands gpg –import fails with no valid OpenPGP data found It worked. I’m using Ubuntu version 12.04 SOLUTION 2 : I too got the same error, when I did … Read more
Placing border inside of div and not on its edge : SOLUTION 1 : Set box-sizing property to border-box: SOLUTION 2 : for consistent rendering between new and older browsers, add a double container, the outer with the width, the inner with the border. this is obviously only if your precise width is more important than having extra … Read more
Adding a legend to PyPlot in Matplotlib in the simplest manner possible : SOLUTION 1 : Add labels to each argument in your plot call corresponding to the series it is graphing, i.e. label = “series 1” Then simply add Pyplot.legend() to the bottom of your script and the legend will display these labels. SOLUTION 2 : Add … Read more
Python math domain error using math.acos function : SOLUTION 1 : You are trying to do acos of a number for which the acos does not exist. The value of input for acos range from -1 <= x <= 1 . Hence , when trying to do – math.acos(1.0000000000000002) you are getting the error. If you try higher numbers, you will keep getting … Read more
TypeError: ‘NoneType’ object is not iterable in Python : SOLUTION 1: It means the value of data is None. SOLUTION 2: You’re calling write_file with arguments like this: But you haven’t defined ‘foo’ correctly, or you have a typo in your code so that it’s creating a new empty variable and passing it in. SOLUTION 3: It means … Read more
HTTP Error 500.30 – ANCM In-Process Start Failure : SOLUTION 1 In ASP.NET Core 2.2, a new Server/ hosting pattern was released with IIS called IIS InProcess hosting. To enable inprocess hosting, the csproj element AspNetCoreHostingModel is added to set the hostingModel to inprocess in the web.config file. Also, the web.config points to a new module … Read more
How do I delete rows in a data frame? : SOLUTION 1 : The key idea is you form a set of the rows you want to remove, and keep the complement of that set. In R, the complement of a set is given by the ‘-‘ operator. So, assuming the data.frame is called myData: Of course, don’t … Read more