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++someVariable vs. someVariable++ in JavaScript
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250
Same as in other languages:
++x (pre-increment) means "increment the variable; the value of ...
Which one will execute faster, if (flag==0) or if (0==flag)?
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236
I haven't seen any correct answer yet (and there are already some) caveat: Nawaz did point out...
What would cause an algorithm to have O(log n) complexity?
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290
I have to agree that it's pretty weird the first time you see an O(log n) algorithm... where o...
range over interface{} which stores a slice
...ta := []string{"one","two","three"}
test(data)
moredata := []int{1,2,3}
test(moredata)
}
func test(t interface{}) {
switch reflect.TypeOf(t).Kind() {
case reflect.Slice:
s := reflect.ValueOf(t)
for i := 0; i < s.Len(); i++ {
fmt.Println(s.Index(i...
how to concatenate two dictionaries to create a new one in Python? [duplicate]
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279
Slowest and doesn't work in Python3: concatenate the items and call dict on the resulting lis...
Path to Powershell.exe (v 2.0)
Where is the Powershell (version 2.0) located? What is the path to Powershell.exe? I have Windows Server 2008 and Powershell installed. When I look at this folder:
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Breaking loop when “warnings()” appear in R
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152
You can turn warnings into errors with:
options(warn=2)
Unlike warnings, errors will interrup...
What is the preferred syntax for initializing a dict: curly brace literals {} or the dict() function
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243
Curly braces. Passing keyword arguments into dict(), though it works beautifully in a lot of s...
How to export plots from matplotlib with transparent background?
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2 Answers
2
Active
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Format number to 2 decimal places
I would like to know how can I output a number with 2 decimal places, without rounding the original number.
6 Answers
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