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I finally have the 1st pass of YourJS available to the public!!! What is YourJS? YourJS is a fully customizable JavaScript library which gives the developer more control than ever before. Who controls the codebase? Everyone does! All you have to do is sign up and you can start writing Read more…
In case you haven’t seen it before, issetor() is a quick and dirty way of getting a value from a variable that may or may not be defined: One unfortunate side-effect that most people are unaware of is that even though you can use this function without needing to worry Read more…
While working on YourJS.com I was trying to figure out a quick way to use extract() to only convert some of the $_REQUEST values to variables in the symbol table. Then I realized I could use this: Using this will give you a new array with only the specified keys: Read more…
Your computer may be able to read your mind if you are good at simple math. Try it out below or go here.
Did you know that YouTube automatically generates thumbnail images for all videos? Each video gets the following four thumbnail images automatically generated: http://img.youtube.com/vi/{VIDEO_CODE}/default.jpg http://img.youtube.com/vi/{VIDEO_CODE}/1.jpg http://img.youtube.com/vi/{VIDEO_CODE}/2.jpg http://img.youtube.com/vi/{VIDEO_CODE}/3.jpg In addition to these thumbnail images, a larger still of the video is generated and stored in http://img.youtube.com/vi/{VIDEO_CODE}/0.jpg. Try Me! I wrote the following Read more…
If you have been using JavaScript for a little bit you probably already know how to determine a variable’s class constructor, but just in case you are overthinking it here is a hint: variable.constructor. š Of course, many times I like to make functions that will spit my results for Read more…
Two years ago I wrote a post about how to pass arguments by name in JavaScript. Recently I have started to ramp a new project call YourJS and found a need to be able to read the names of the parameters of the given function. The following getParamNames() function takes Read more…
Now Available in YourJS Yesterday I was working with Math.cos, Math.sin and Math.tan and was thinking it would be nice to have the equivalent functions which accept the values in degrees instead of radians. For that reason I wrote the following definitions for Math.cosd, Math.sind and Math.tand: After executing the Read more…
If you execute the following code, what do you think will be the result? Will an assert error occur? The answer is yes! The reason why is because list1 = list1 + list2 is actually different from list1 += list2 in Python. Let’s see what happened when I ran the Read more…
One of the many cool things about Python is that you can often use builtin functions to either get a value from a dictionary (or an object with getattr) or default to a specified value. Unfortunately lists do not provide such a function. The simplest use case would be to Read more…