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Check for internet connection availability in Swift
... return false
}
let isReachable = (flags & UInt32(kSCNetworkFlagsReachable)) != 0
let needsConnection = (flags & UInt32(kSCNetworkFlagsConnectionRequired)) != 0
return isReachable && !needsConnection
}
}
For Swift > 3.0
public clas...
Likelihood of collision using most significant bits of a UUID in Java
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213
According to the documentation, the static method UUID.randomUUID() generates a type 4 UUID.
Th...
Can I change the checkbox size using CSS?
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edited Apr 27 '19 at 3:06
danday74
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an...
Get local href value from anchor (a) tag
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263
The below code gets the full path, where the anchor points:
document.getElementById("aaa").href...
Accessing localhost:port from Android emulator
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23 Answers
23
Active
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Select statement to find duplicates on certain fields
... which there are multiple records, you can use..
select field1,field2,field3, count(*)
from table_name
group by field1,field2,field3
having count(*) > 1
Check this link for more information on how to delete the rows.
http://support.microsoft.com/kb/139444
There should be a criterion for de...
matplotlib colorbar for scatter
I'm working with data that has the data has 3 plotting parameters: x,y,c. How do you create a custom color value for a scatter plot?
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Python strptime() and timezones?
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63
The datetime module documentation says:
Return a datetime corresponding to date_string, pars...
Find value in an array
...rray, and if that's the case, you can use Array#include?(value):
a = [1,2,3,4,5]
a.include?(3) # => true
a.include?(9) # => false
If you mean something else, check the Ruby Array API
share
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What is a regular expression for a MAC Address?
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answered Nov 23 '10 at 20:22
netcodernetcoder
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