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What do the different readystates in XMLHttpRequest mean, and how can I use them?
...alized
1 The request has been set up
2 The request has been sent
3 The request is in process
4 The request is complete
(from https://www.w3schools.com/js/js_ajax_http_response.asp)
In practice you almost never use any of them except for 4.
Some XMLHttpRequest implementations ...
How to get “wc -l” to print just the number of lines without file name?
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Dave Jarvis
27.6k3434 gold badges157157 silver badges281281 bronze badges
answered Apr 20 '12 at 2:52
Norman RamseyNor...
Replace specific characters within strings
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With a regular expression and the function gsub():
group <- c("12357e", "12575e", "197e18", "e18947")
group
[1] "12357e" "12575e" "197e18" "e18947"
gsub("e", "", group)
[1] "12357" "12575" "19718" "18947"
What gsub does here is to replace each occurrence of "e" with an empty string "".
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How to efficiently compare two unordered lists (not sets) in Python?
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253
O(n): The Counter() method is best (if your objects are hashable):
def compare(s, t):
retu...
Defining an array of anonymous objects in CoffeeScript
...kes sense here.
– Jameson Quinn
Dec 3 '12 at 3:04
18
Check out my answer -- this is perfectly doa...
Removing multiple keys from a dictionary safely
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answered Jan 24 '12 at 23:20
GlaslosGlaslos
2,57811 gold badge1616 silver badges2929 bronze badges
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Conditional HTML Attributes using Razor MVC3
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3 Answers
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How to show and update echo on same line
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203
Well I did not read correctly the man echo page for this.
echo had 2 options that could do this...
Given an array of numbers, return array of products of all other numbers (no division)
... 1, a[0], a[0]*a[1], a[0]*a[1]*a[2], }
{ a[1]*a[2]*a[3], a[2]*a[3], a[3], 1, }
Both of which can be done in O(n) by starting at the left and right edges respectively.
Then multiplying the two arrays element by element gives the required result
My...
Fixed width buttons with Bootstrap
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321
You can also use the .btn-block class on the button, so that it expands to the parent's width....