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How to check if a database exists in SQL Server?
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edited Jun 8 '12 at 13:50
SteveC
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answer...
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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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....
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 ...
Python: How to ignore an exception and proceed? [duplicate]
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623
except:
pass
Python docs for the pass statement
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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...
Autowiring two beans implementing same interface - how to set default bean to autowire?
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134
I'd suggest marking the Hibernate DAO class with @Primary, i.e. (assuming you used @Repository ...