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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 access array elements in a Django template?
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Remember that the dot notation in a Django template is used for four different notations in Py...
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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RegEx: Smallest possible match or nongreedy match
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3 Answers
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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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How to test which port MySQL is running on and whether it can be connected to?
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How to join two generators in Python?
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answered Jul 9 '10 at 8:30
PhilippPhilipp
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Format an Integer using Java String Format
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How to show and update echo on same line
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Well I did not read correctly the man echo page for this.
echo had 2 options that could do this...
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...