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Using {} in a case statement. Why?
...e.
Consider the following very contrived example:
switch (a)
{
case 42:
int x = GetSomeValue();
return a * x;
case 1337:
int x = GetSomeOtherValue(); //ERROR
return a * x;
}
You will get a compiler error because x is already defined in the scope.
Separati...
Compute a confidence interval from sample data
...n(a), scipy.stats.sem(a)
h = se * scipy.stats.t.ppf((1 + confidence) / 2., n-1)
return m, m-h, m+h
you can calculate like this way.
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edited May 23 '17 at 12:18
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answered Nov 19 '10 at 8:37
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In JavaScript, is returning out of a switch statement considered a better practice than using break?
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Split delimited strings in a column and insert as new rows [duplicate]
...is another way of doing it..
df <- read.table(textConnection("1|a,b,c\n2|a,c\n3|b,d\n4|e,f"), header = F, sep = "|", stringsAsFactors = F)
df
## V1 V2
## 1 1 a,b,c
## 2 2 a,c
## 3 3 b,d
## 4 4 e,f
s <- strsplit(df$V2, split = ",")
data.frame(V1 = rep(df$V1, sapply(s, length))...
How to extract epoch from LocalDate and LocalDateTime?
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152
The classes LocalDate and LocalDateTime do not contain information about the timezone or time of...
How do you exit from a void function in C++?
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200
Use a return statement!
return;
or
if (condition) return;
You don't need to (and can't) ...
Django self-referential foreign key
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274
You can pass in the name of a model as a string to ForeignKey and it will do the right thing.
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How to find children of nodes using BeautifulSoup
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edited Jul 28 '18 at 15:44
Ahsan Roy
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a...