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How to extract a string using JavaScript Regex?
... I would combine this with @barkmadley 's || [null, null] since if the match fails, arr would be null and arr[1] would throw an exception
– Kunal
May 5 '16 at 16:44
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How to send email from Terminal?
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If all you need is a subject line (as in an alert message) simply do:
mailx -s "This is all she wrote" < /dev/null "myself@myaddress"
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Commit changes to a different branch than the currently checked out branch with subversion
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Optional: Tick [*] Switch working copy to new branch/tag. This is useful if you are planning to keep working on the new branch. Although you can switch to it later too.
Try to find the OK button. Hint: it is in the lower part of the window centred.
Enjoy!
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C# nullable string error
...r null after getting it from the query string. Or use String.IsNullOrEmpty if you want to handle empty string values the same as null.
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How to add a ScrollBar to a Stackpanel
...an interface contract (IScrollInfo). Setting this property has no effect. If you require physical scrolling instead of logical scrolling, wrap the StackPanel in a ScrollViewer and set its CanContentScroll property to false."
– Skinner
Jul 25 '17 at 1:55
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Android ClickableSpan not calling onClick
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Do not work well if tv is of type EditText, true you can click on the span but not edit this as normal.
– FIG-GHD742
Sep 12 '12 at 23:33
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Convert a matrix to a 1 dimensional array
...do as.vector() on the matrix. You might want to transpose the matrix first if you want it by rows or columns.
> m=matrix(1:12,3,4)
> m
[,1] [,2] [,3] [,4]
[1,] 1 4 7 10
[2,] 2 5 8 11
[3,] 3 6 9 12
> as.vector(m)
[1] 1 2 3 4 5 6 7 8 9 10 11 1...
How to sort a list of strings numerically?
...3","22","23","4","2","200"]
list1 = [int(x) for x in list1]
list1.sort()
If for some reason you need to keep strings instead of ints (usually a bad idea, but maybe you need to preserve leading zeros or something), you can use a key function. sort takes a named parameter, key, which is a function t...
How to determine the number of days in a month in SQL Server?
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You can use the following with the first day of the specified month:
datediff(day, @date, dateadd(month, 1, @date))
To make it work for every date:
datediff(day, dateadd(day, 1-day(@date), @date),
dateadd(month, 1, dateadd(day, 1-day(@date), @date)))
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Reset keys of array elements in php?
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I dont know if the use of array_values for resetting values is documented, but it should be. This really helped cut down on the number of lines I was writing :)
– carbontwelve
Sep 21 '13 at 14:47
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