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Why does jQuery or a DOM method such as getElementById not find the element?
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It's now 2020 — is "Placing scripts at the bottom" still "considered a best practice" ? I (nowdays) put all my resources in the <head> and use defer on scripts (I don't have to support bad-old incompatible browsers)
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Algorithm to implement a word cloud like Wordle
...ith some diligent googling).
Edit: As Reto Aebersold pointed out, there's now a book chapter, freely available, that covers this same territory: Beautiful Visualization, Chapter 3: Wordle
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Find the most common element in a list
...e highest frequency item (for just 1 item, that's O(N) time). As Counter() now is heavily optimised (counting takes place in a C loop), it can easily beat this solution even for small lists. It blows it out of the water for large lists.
– Martijn Pieters♦
Oct...
Adding git branch on the Bash command prompt
...'
}
export PS1="\u@\h \W\[\033[32m\]\$(parse_git_branch)\[\033[00m\] $ "
Now, start the new terminal window, and try entering to any git-repo. The current branch would be shown, with the prompt.
4 More Info - MAC/Linux
sh...
Find size of object instance in bytes in c#
...undocumented hacks. Do not rely on this working - even if it works for you now, it may stop working tomorrow, with any minor or major .NET update.
You can use the information in this article on CLR internals MSDN Magazine Issue 2005 May - Drill Into .NET Framework Internals to See How the CLR Creat...
Remove the last three characters from a string
...s "read last 3 characters from string" This is later edited and I did not know, see the question edit history. Your comment helped me to correct my answer that became wrong after edit of the question.
– Adil
Jan 5 '16 at 4:55
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Android Fragments. Retaining an AsyncTask during screen rotation or configuration change
...is is pretty straightforward. I added a callback into this activity so it knows when the task is finished, but you might not need that. Mainly I just wanted to show the fragment-activity callback mechanism because it's quite neat and you might not have seen it before.
public class MainActivity exte...
Need to handle uncaught exception and send log file
...on handler.
Optionally, setup Proguard to strip out Log.d() and Log.v().
Now, here are the details:
(1 & 2) Handle uncaughtException, start send log activity:
public class MyApplication extends Application
{
public void onCreate ()
{
// Setup handler for uncaught exceptions.
Thre...
Set every cell in matrix to 0 if that row or column contains a 0
...in the size of the matrix.
I use 1rst column and first row as markers to know where are rows/cols with only 1's. Then, there are 2 variables l and c to remember if 1rst row/column are all 1's also.
So the first pass sets the markers and resets the rest to 0's.
The second pass sets 1 in places wher...
Cleaner way to update nested structures
...ess,
set = (p: Person, addr: Address) => p.copy(address = addr))
Now, compose them to get a lens that changes zipcode in a person:
val personZipCodeLens = personAddressLens andThen addressZipCodeLens
Finally, use that lens to change raj:
val updatedRaj = personZipCodeLens.set(raj, pers...