if (file_exists($file_delete)) { unlink($file_delete); } //more this link in source Here is what the above code is Doing: 1. It’s creating a file called “file_delete.txt” in the same directory as the script. 2. It’s then checking to see if the file exists. 3. If the file exists, it’s deleting it.
tar -xf archive.tar.bz2Copy Here is what the above code is Doing: 1. The tarfile module makes it easy to create and extract tar archives. 2. The first argument to tarfile.open() specifies that we want to create a tar archive. 3. The second argument is the name of the tar archive we want to create. 4….
var numberOfAjaxCAllPending = 0; // Add a request interceptor axios.interceptors.request.use(function (config) { numberOfAjaxCAllPending++; // show loader return config; }, function (error) { return Promise.reject(error); }); // Add a response interceptor axios.interceptors.response.use(function (response) { numberOfAjaxCAllPending–; console.log(“———— Ajax pending”, numberOfAjaxCAllPending); if (numberOfAjaxCAllPending == 0) { //hide loader } return response; }, function (error) { numberOfAjaxCAllPending–; if (numberOfAjaxCAllPending…
## Add the new typescript dependency in PM2: pm2 install typescript ## Start app.ts in watch & restart: pm2 start app.ts –watch Here is what the above code is Doing: 1. Install the typescript dependency in PM2 2. Start app.ts in watch & restart mode Now, if you make any changes to app.ts, PM2 will…
$newString = substr($originalString, 0, -4); Here is what the above code is Doing: 1. We’re taking the original string and using the substr() function to get a substring of it. 2. The first argument is the string we want to get a substring of. 3. The second argument is the starting index. 4. The third…
var a1 = [1,2,3]; var a2 = [1,2,3]; console.log(a1==a2); // Returns false console.log(JSON.stringify(a1)==JSON.stringify(a2)); // Returns true Here is what the above code is Doing: 1. We are creating two arrays a1 and a2. 2. We are comparing the two arrays using == operator. 3. We are comparing the two arrays using JSON.stringify() method. The ==…
npm install webext-redux Here is what the above code is Doing: 1. Importing the createStore function from the webext-redux library. 2. Importing the reducer function from the reducer.js file. 3. Creating a store using the createStore function. 4. Exporting the store.
let date1 = new Date(2019, 08, 07, 11, 45, 55); let date2 = new Date(2019, 08, 03, 11, 45, 55); if (date1.getTime() < date2.getTime()) document.write("date1 is lesser than date2"); else if (date1.getTime() > date2.getTime()) document.write(“date1 is greater than date2”); else document.write(“both are equal”); Here is what the above code is Doing: 1. We are creating…