You can do the same with a for..in loop to iterate on an object:const fun = (prop) => { return new Promise(resolve => { setTimeout(() => resolve(`done ${prop}`), 1000); }) } const go = async () => { const obj = { a: 1, b: 2, c: 3 }; for (const prop in...
Executing JavaScript in Selenium with Python can be necessary when you need to make temporary changes to element attributes or check changes in the UI by changing the styling. For example, the following code replaces the existing class name with a new one. Once changed, I could access the el...
A memory leak occurs when object references that are no longer needed are unnecessarily maintained. These leaks are bad. For one, they put unnecessary pressure on your machine as your programs consume more and more resources. To make things worse, detecting these leaks can be difficult: static ...
Session Queue: Incoming session requests are held in a FIFO (first in, first out) manner. Nodes: Facilitates test execution in a distributed network. Nodes with specific configurations must register with the Distributor to receive the right requests. Event Bus: Enables internal communication between...
How to generate a string out of an array in JavaScriptUsing the toString() method on an array will return a string representation of the array:const list = [1, 2, 3, 4] list.toString()Example:The join() method of an array returns a concatenation of the array elements:...
However, when it comes to performance, synchronous code can make a programmer’s life difficult. When performing long operations such as database requests, the main thread will be blocked when the server processes the request, and the program execution will be halted. In addition, it can create...
Long-distance calls require more time to connect because the information required to make the phone ring must travel further. More cables means more satellites for transmission. It is the same when it comes to websites. The further this distance is, the slower the site will load. ...
In HTTP, it is always the client who initiates a transaction by establishing a connection and sending an HTTP request. The web server is in no position to contact a client or make a callback connection to the client. Either the client or the server can prematurely terminate a connection. ...
Okay, it wastes a slot to distinguish between full and empty; however this isn't a safety issue. And it looks just as careful as the other side. It looks like this queue was coded very carefully. There are no clear buffer overflows. On x86 in fact, it's pretty much correct1---if...
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