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How to test which port MySQL is running on and whether it can be connected to?
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13 Answers
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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 ...
RegEx: Smallest possible match or nongreedy match
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form_for but to post to a different action
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answered Mar 16 '11 at 2:43
AustinAustin
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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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Format an Integer using Java String Format
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How to get “wc -l” to print just the number of lines without file name?
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Dave Jarvis
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answered Apr 20 '12 at 2:52
Norman RamseyNor...
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...
Conditional HTML Attributes using Razor MVC3
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Defining an array of anonymous objects in CoffeeScript
...kes sense here.
– Jameson Quinn
Dec 3 '12 at 3:04
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Check out my answer -- this is perfectly doa...