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How to refresh app upon shaking the device?
...lso on other planets or in free space, once it is initialized.
(you never know how long your application will be in use...;-)
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Calculating the difference between two Java date instances
...lass in Scala and want to compare a Date object and the current time. I know I can calculate the delta by using getTime():
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How to get record created today by rails activerecord?
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Post.where(created_at: Time.zone.now.beginning_of_day..Time.zone.now.end_of_day)
PS: This answer has been modified as answer by Harish Shetty was better than mine. As my answer is accepted one. I have updated this answer for community support
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Performance - Date.now() vs Date.getTime()
...ings are the same (edit semantically; performance is a little better with .now()):
var t1 = Date.now();
var t2 = new Date().getTime();
However, the time value from any already-created Date instance is frozen at the time of its construction (or at whatever time/date it's been set to). That is, if ...
LINQ .Any VS .Exists - What's the difference?
... {
var s = string.Empty;
var start2 = DateTime.Now;
if (!list1.Exists(o => o == "0123456789012"))
{
var end2 = DateTime.Now;
s += " Exists: " + end2.Subtract(start2);
}
var start1 = DateTi...
Why use double indirection? or Why use pointers to pointers?
...t of bio-libraries (a ??lol), you can use char ******lol
... ...
yes, I know these might not be the best data structures
Usage example with a very very very boring lol
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int wordsinsentence(char **x) {
int w = 0;
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Create a unique number with javascript time
... if you need the readable version, you're in for a bit of processing:
var now = new Date();
timestamp = now.getFullYear().toString(); // 2011
timestamp += (now.getMonth < 9 ? '0' : '') + now.getMonth().toString(); // JS months are 0-based, so +1 and pad with 0's
timestamp += ((now.getDate < ...
Moment js date time comparison
... read most of their docs, but didn't find the function to achieve this. I know it will be there.
8 Answers
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Listing and deleting Git commits that are under no branch (dangling?)
...tion, but if you want, you could still get to it with git checkout 000001. Now the question is, Is 000001 a dangling commit, or an unreachable commit, or neither, or both?
– chharvey
Sep 21 '18 at 1:10
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PostgreSQL, checking date relative to “today”
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select * from mytable where mydate > now() - interval '1 year';
If you only care about the date and not the time, substitute current_date for now()
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