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How can I get the ID of an element using jQuery?
...typically hard-coded into the HTML and JS. When you write JS, you already know the ID of some element, so you write that ID to retrieve the element. You rarely need to get the ID of an element programmatically.
– daniel1426
Apr 30 '14 at 18:07
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Get value of a string after last slash in JavaScript
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When I know the string is going to be reasonably short then I use the following one liner... (remember to escape backslashes)
// if str is C:\windows\file system\path\picture name.jpg
alert( str.split('\\').pop() );
alert pops up ...
Why is “copy and paste” of code dangerous? [closed]
...nge you ever need to make in the code (not just bugfixes, any change) will now be twice as expensive to do because you have to update two places - and more risky because you WILL forget one of them eventually. In other words, making it work faster now will make your work even slower in the future, w...
Random number from a range in a Bash Script
... 1 showed negligible time differences, even with end=4000000000. Good to know shuf works smart, not hard :-)
– leedm777
Apr 1 '10 at 20:59
7
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How can I check if a checkbox is checked?
... didn't check it! Let me check it for you.");
}
}
Your script doesn't know what the variable remember is. You need to get the element first using getElementById().
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Is there a standard naming convention for git tags? [closed]
... This answer is done when existed old semver (version 1.0). Nowadays the prefix 'v' removed from semver v2.0. For details see post below.
– vitalii
May 19 '15 at 9:17
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How do you check if a variable is an array in JavaScript? [duplicate]
...ork as variable instanceof Number always returns false. Update: instanceof now goes 2/3 the speed!
So yet another update
Object.prototype.toString.call(variable) === '[object Array]';
This guy is the slowest for trying to check for an Array. However, this is a one stop shop for any type you're l...
Get number of digits with JavaScript
As the title of my post suggests, I would like to know how many digits var number has. For example: If number = 15; my function should return 2 . Currently, it looks like this:
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Update R using RStudio
...ork for you, try using installed.packages()
to find the proper pathnames.]
now you can update your packages by typing update.packages() in your RStudio console, and answering 'y' to all of the prompts.
> update.packages(checkBuilt=TRUE)
class :
Version 7.3-7 installed in /Library/Frameworks/R.f...
How to initialize a List to a given size (as opposed to capacity)?
...element in the whole List. It took me hours to find this bug. Do you guys know any solution to this issue (except for just using a common loop and use .Add(new Pair...)?
– 00zetti
Aug 21 '17 at 9:52
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