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How to check that a string is an int, but not a double, etc.?
... function that will convert a string to an integer. However I want to check that the string is an integer beforehand, so that I can give a helpful error message to the user if it's wrong. PHP has is_int() , but that returns false for string like "2" .
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How to get week number in Python?
How to find out what week number is current year on June 16th (wk24) with Python?
14 Answers
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Get the client IP address using PHP [duplicate]
... $ipaddress = getenv('REMOTE_ADDR');
else
$ipaddress = 'UNKNOWN';
return $ipaddress;
}
$_SERVER is an array that contains server variables created by the web server.
// Function to get the client IP address
function get_client_ip() {
$ipaddress = '';
if (isset($_SERVE...
java.util.Date to XMLGregorianCalendar
...
I should like to take a step back and a modern look at this 10 years old question. The classes mentioned, Date and XMLGregorianCalendar, are old now. I challenge the use of them and offer alternatives.
Date was always poorly designed ...
How do I know which version of Javascript I'm using?
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Wikipedia (or rather, the community on Wikipedia) keeps a pretty good up-to-date list here.
Most browsers are on 1.5 (though they have features of later versions)
Mozilla progresses with every dot release (they maintain the...
Programmatically register a broadcast receiver
I'd like to know what is the best practice/way of programmatically register a broadcast receiver. I want to register specific receivers according to user choice.
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Redirect Windows cmd stdout and stderr to a single file
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Abel
51.6k1919 gold badges132132 silver badges214214 bronze badges
answered Sep 14 '09 at 11:23
Anders Lindahl...
How to list only the file names that changed between two commits?
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PeterPeter
108k4646 gold badges166166 silver badges203203 bronze badges
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Find the Smallest Integer Not in a List
... place and throwing away values > N. Then go again through the array looking for the spot where value doesn't match the index - that's the smallest value not in the array. This results in at most 3N comparisons and only uses a few values worth of temporary space.
# Pass 1, move every value to th...
How to add 30 minutes to a JavaScript Date object?
I'd like to get a Date object which is 30 minutes later than another Date object. How do I do it with JavaScript?
19 Answe...