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How to get the seconds since epoch from the time + date output of gmtime()?
...
If you got here because a search engine told you this is how to get the Unix timestamp, stop reading this answer. Scroll down one.
If you want to reverse time.gmtime(), you want calendar.timegm().
>>> calendar.time...
Ruby Regexp group matching, assign variables on 1 line
...Rails"
p two #=> ":"
p three #=> " This is a test"
Be aware that if no match is found, String#match will return nil, so something like this might work better:
if match = string.match(/(^.*)(:)(.*)/i)
one, two, three = match.captures
end
Although scan does make little sense for this. I...
Difference between Divide and Conquer Algo and Dynamic Programming
What is the difference between Divide and Conquer Algorithms and Dynamic Programming Algorithms? How are the two terms different? I do not understand the difference between them.
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How can I get the concatenation of two lists in Python without modifying either one? [duplicate]
...he only way I can find to concatenate two lists is list.extend , which modifies the first list. Is there any concatenation function that returns its result without modifying its arguments?
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How to preventDefault on anchor tags?
...s my previous solution, which I am leaving here just for legacy purposes:
If you are having this problem a lot, a simple directive that would fix this issue is the following:
app.directive('a', function() {
return {
restrict: 'E',
link: function(scope, elem, attrs) {
...
Uploading base64 encoded Image to Amazon S3 via Node.js
...e: 'image/jpeg'
};
s3Bucket.putObject(data, function(err, data){
if (err) {
console.log(err);
console.log('Error uploading data: ', data);
} else {
console.log('succesfully uploaded the image!');
}
});
s3_config.json file is:-
{
"accessKeyId":"x...
How to manage a redirect request after a jQuery Ajax call
...L fragment to replace a div element in the user's current page. However, if the session times out, the server sends a redirect directive to send the user to the login page. In this case, jQuery is replacing the div element with the contents of the login page, forcing the user's eyes to witness a...
How to change the foreign key referential action? (behavior)
... @Noumenon RESTRICT is the default so you get that when not specifying.
– edruid
Jan 11 '18 at 14:17
1
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What are the differences between NP, NP-Complete and NP-Hard?
What are the differences between NP , NP-Complete and NP-Hard ?
11 Answers
11
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BigDecimal - to use new or valueOf
...BigDecimal object will be what you see when you do System.out.println(d).
If you use new BigDecimal(d) however, then the BigDecimal will try to represent the double value as accurately as possible. This will usually result in a lot more digits being stored than you want. Strictly speaking, it's mor...