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Convert a float64 to an int in Go
...onv"
)
func main() {
floats := []float64{1.9999, 2.0001, 2.0}
for _, f := range floats {
t := int(f)
s := fmt.Sprintf("%.0f", f)
if i, err := strconv.Atoi(s); err == nil {
fmt.Println(f, t, i)
} else {
fmt.Println(f, t, err)
}
...
Initialize a nested struct
...tters otherwise, you will face cannot refer to unexported field or method error.
– tagaism
Jun 17 at 17:45
...
mkdir's “-p” option
...r fingertips: man mkdir yields this about -p switch:
-p, --parents
no error if existing, make parent directories as needed
Use case example: Assume I want to create directories hello/goodbye but none exist:
$mkdir hello/goodbye
mkdir:cannot create directory 'hello/goodbye': No such file or d...
npm global path prefix
...m refuses to install jslint globally, though. npm install -g jslint fails. Error: EACCES, open '/Users/user/.npm/564fcf84-jslint.lock'
– Steven Lu
Feb 12 '13 at 20:06
2
...
npm failed to install time with make not found error
When i try to install time on nodejs server i get the below error:
5 Answers
5
...
WhatsApp如何成为销售钻戒的店面？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...于在WhatsApp上与顾客交流，并将其跟三位销售人员的PC相连接。现在，无论他们何时与顾客交流，他们都能让办公室里的所有人知道，他们正在用WhatsApp。不要上线。
皮瑞安科夫表示，在顾客中，这种方式远比Rare Pink网站上的“...
Apache: “AuthType not set!” 500 Error
... for a project and when I try to request localhost/index.html, I get a 500 error and I see this in the error log:
6 Answers...
How to get all possible combinations of a list’s elements?
...nd iterate through that:
from itertools import chain, combinations
def all_subsets(ss):
return chain(*map(lambda x: combinations(ss, x), range(0, len(ss)+1)))
for subset in all_subsets(stuff):
print(subset)
share
...
A fast method to round a double to a 32-bit int explained
...
For those who'd like to convert to int64_t you can do that by shifting the mantissa left and then right by 13 bits. This will clear the exponent and the two bits from the 'magic' number, but will keep and propagate the sign to the entire 64-bit signed integer. unio...
Remove trailing newline from the elements of a string list
..., and mainly about list comprehension, are great. But just to explain your error:
strip_list = []
for lengths in range(1,20):
strip_list.append(0) #longest word in the text file is 20 characters long
for a in lines:
strip_list.append(lines[a].strip())
a is a member of your list, not an i...