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Fix warning “Capturing [an object] strongly in this block is likely to lead to a retain cycle” in AR
...ockRequest.responseData error:nil];
blockRequest = nil;
// ....
}];
what the difference between __weak and __block reference?
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How can I check if a command exists in a shell script? [duplicate]
... find an alternative version to support aliases
type will tell you exactly what you are looking at (be it a Bash function or an alias or a proper binary).
type doesn't require a subprocess
type cannot be masked by a binary (for example, on a Linux box, if you create a program called which which appe...
How to calculate the number of occurrence of a given character in each row of a column of strings?
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The stringr package provides the str_count function which seems to do what you're interested in
# Load your example data
q.data<-data.frame(number=1:3, string=c("greatgreat", "magic", "not"), stringsAsFactors = F)
library(stringr)
# Count the number of 'a's in each element of string
q.data...
Escape a dollar sign in string interpolation
...documentation is now here: docs.scala-lang.org/overviews/core/… Nor sure what other cases there are?
– amoebe
Oct 7 '19 at 16:25
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Is the SQL WHERE clause short-circuit evaluated?
...e parameters. This query is used every time the query is run regardless of what the actual supplied values are. Whether the query short-circuits with certain values will not matter to the execution plan.
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How to check if a string is a valid JSON string in JavaScript without using Try/Catch
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@Gumbo My comment is 1,5 year old! :] I don't remember, what I was doing two weeks ago and you asking me to recall that project? :] No, way... :]
– trejder
Mar 5 '14 at 9:25
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Convert timestamp in milliseconds to string formatted time in Java
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whats the type of logevent?Can you please put in the Question?
– Raulp
Feb 20 '19 at 8:32
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Find() vs. Where().FirstOrDefault()
... yet saved into the database ) meanwhile FirstOrDefault will only look for what already have been saved
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Extracting just Month and Year separately from Pandas Datetime column
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what actually does pd.Datetimeindex do?
– JOHN
Apr 16 '18 at 5:24
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How do I invert BooleanToVisibilityConverter?
... sourcode or the value for the object "IsRunning"?
– What'sUP
Aug 10 '11 at 8:27
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