Generate random integers between 0 and 9
Try: Docs: https://docs.python.org/3/library/random.html#random.randrange
What does “:=” mean in Pseudocode? [closed]
Pseudocode examples on Wikipedia usually use := as the assignment operator, like Pascal does (I haven’t found any counterexamples yet). You can’t use it in Python directly as it would be a SyntaxError: Use instead.
Discord music bot not working
Ok, I have two solutions for you. This first one is a block of code I have used and I can say it works from experience. It requires ffmpeg, opusscript and ytdl: This second option which I would highly recommend is a node module that has many more advanced features that are hard to implement such as: musichelp [command]: … Read more
Java: “error: cannot find symbol”
The n variable was declared in the main method and thus is visible only in the main method, nowhere else, and certainly not inside of the calcNumFactors method. To solve this, give your calcNumFactors method an int parameter which would allow calling methods to pass an int, such as n into the method. and call it like so:
warning: implicit declaration of function
You are using a function for which the compiler has not seen a declaration (“prototype“) yet. For example: You need to declare your function before main, like this, either directly or in a header:
Open link in new tab or window [duplicate]
You should add the target=”_blank” and rel=”noopener noreferrer” in the anchor tag. For example: Adding rel=”noopener noreferrer” is not mandatory, but it’s a recommended security measure. More information can be found in the links below. Source: MDN | HTML element <a> | attribute target About rel=noopener Opens External Anchors Using rel=”noopener”
How do I check if an array includes a value in JavaScript?
Modern browsers have Array#includes, which does exactly that and is widely supported by everyone except IE: Run code snippet You can also use Array#indexOf, which is less direct, but doesn’t require polyfills for outdated browsers. Run code snippet Many frameworks also offer similar methods: jQuery: $.inArray(value, array, [fromIndex]) Underscore.js: _.contains(array, value) (also aliased as _.include and _.includes) Dojo Toolkit: dojo.indexOf(array, value, [fromIndex, findLast]) Prototype: array.indexOf(value) MooTools: array.indexOf(value) MochiKit: findValue(array, value) MS … Read more
javac is not recognized as an internal or external command, operable program or batch file [closed]
I am experiencing an error while trying to compile Java programs. I am on Windows (this is a Windows-specific problem) and I have the latest JDK installed. I have attempted a solution involving the PATH variable, but the error persists. Console output:
What is tail recursion?
Consider a simple function that adds the first N natural numbers. (e.g. sum(5) = 0 + 1 + 2 + 3 + 4 + 5 = 15). Here is a simple JavaScript implementation that uses recursion: If you called recsum(5), this is what the JavaScript interpreter would evaluate: Note how every recursive call has to complete before … Read more
How to re-enable right click so that I can inspect HTML elements in Chrome?
If they have just changed the oncontextmenu handler (which is the most straightforward way to do it), then you can remove their override thus: Otherwise, if it is attached to individual elements, you can get all the page’s elements, and then remove the handler on each one: Or, it seems you can turn off such scripts; via an … Read more