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Regex to check whether a string contains only numbers [duplicate]
I get false on both "123" and "123f" . I would like to check if the hash only contains numbers. Did I miss something?
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Opacity of background-color, but not the text [duplicate]
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601
Use rgba!
.alpha60 {
/* Fallback for web browsers that don't support RGBa */
background...
What is “:-!!” in C code?
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1711
This is, in effect, a way to check whether the expression e can be evaluated to be 0, and if ...
Iterating Through a Dictionary in Swift
...en would stay at 25.
let interestingNumbers = [
"Prime": [2, 3, 5, 7, 11, 13],
"Fibonacci": [1, 1, 2, 3, 5, 8],
"Square": [1, 4, 9, 16, 25]
]
var largest = 0
for (kind, numbers) in interestingNumbers {
println("kind: \(kind)")
for number in numbers {
if number > large...
How to return an array from JNI to Java?
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120
If you've examined the documentation and still have questions that should be part of your init...
ASP.NET Web API Authentication
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137
allow a user to log in to the API
You need to send a valid Forms Authentication cookie al...
Can I set max_retries for requests.request?
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166
It is the underlying urllib3 library that does the retrying. To set a different maximum retry ...
How to pass parameters to a view
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168
You just need to pass the extra parameter when you construct the MenuView. No need to add the ...
Javascript add leading zeroes to date
I've created this script to calculate the date for 10 days in advance in the format of dd/mm/yyyy:
24 Answers
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