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Get a UTC timestamp [duplicate]
...! Finally I understand why people keep saying new Date().getTime() or Date.now() is UTC but when I try console.log(new Date()), it displays time in my timezone. The Date internally has the timestamp (milliseconds) in UTC (w/c is what is returned in getTime() or now()), and it also has "your timezone...
How to round the minute of a datetime object
...ect to any time lapse in seconds
dt : datetime.datetime object, default now.
roundTo : Closest number of seconds to round to, default 1 minute.
Author: Thierry Husson 2012 - Use it as you want but don't blame me.
"""
if dt == None : dt = datetime.datetime.now()
seconds = (dt.replac...
How to ignore user's time zone and force Date() use specific time zone
...ime.
Big note, UTC stands for Universal time code. The current time right now in 2 different places is the same UTC, but the output can be formatted differently.
What we need here is some formatting
var _date = new Date(1270544790922);
// outputs > "Tue Apr 06 2010 02:06:30 GMT-0700 (PDT)", f...
What is more efficient? Using pow to square or just multiply it with itself?
...t/date_time/posix_time/posix_time.hpp>
inline boost::posix_time::ptime now()
{
return boost::posix_time::microsec_clock::local_time();
}
#define TEST(num, expression) \
double test##num(double b, long loops) \
{ \
double x = 0.0; \
\
boost::posix_time::ptime startTime = now(); \
...
JavaScript: Is there a way to get Chrome to break on all errors?
...
Edit: The original link I answered with is now invalid.The newer URL would be https://developers.google.com/web/tools/chrome-devtools/javascript/add-breakpoints#exceptions as of 2016-11-11.
I realize this question has an answer, but it's no longer accurate. Use the l...
What is the difference between Ruby 1.8 and Ruby 1.9
...es
Performance
Threads/Fibers
Encoding/Unicode
gems is (mostly) built-in now
if statements do not introduce scope in Ruby.
What's changed?
Single character strings.
Ruby 1.9
irb(main):001:0> ?c
=> "c"
Ruby 1.8.6
irb(main):001:0> ?c
=> 99
String index.
Ruby 1.9
irb(main):0...
How to get current time and date in C++?
...
In C++ 11 you can use std::chrono::system_clock::now()
Example (copied from en.cppreference.com):
#include <iostream>
#include <chrono>
#include <ctime>
int main()
{
auto start = std::chrono::system_clock::now();
// Some computation here
...
How to compare dates in Java? [duplicate]
...acto standard date and time library for Java prior to Java SE 8. Users are now asked to migrate to java.time (JSR-310).
Back-ports are available for Java 6 and 7 as well as Android.
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Code for a simple JavaScript countdown timer?
... Date().getTime();
var interval = setInterval(function() {
var now = time-(new Date().getTime()-start);
if( now <= 0) {
clearInterval(interval);
complete();
}
else update(Math.floor(now/1000));
},100); // the smaller this number, the...
How to subtract 30 days from the current datetime in mysql?
...
SELECT * FROM table
WHERE exec_datetime BETWEEN DATE_SUB(NOW(), INTERVAL 30 DAY) AND NOW();
http://dev.mysql.com/doc/refman/5.5/en/date-and-time-functions.html#function_date-add
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